/* packet-mip6.c * * 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 * * SPDX-License-Identifier: GPL-2.0-or-later * * References: * RFC 3775, Mobility Support in IPv6 * RFC 4285, Authentication Protocol for Mobile IPv6 * RFC 4866, Enhanced Route Optimization for Mobile IPv6 * RFC 5026, Mobile IPv6 Bootstrapping in Split Scenario * RFC 5094, Mobile IPv6 Vendor Specific Option * RFC 5096, Mobile IPv6 Experimental Messages * RFC 5213, Proxy Mobile IPv6 * RFC 5555, Mobile IPv6 Support for Dual Stack Hosts and Routers (Errata) * RFC 5568. Mobile IPv6 Fast Handovers * RFC 5648, Multiple Care-of Addresses Registration * RFC 5844, IPv4 Support for Proxy Mobile IPv6 * RFC 5949, Fast Handovers for Proxy Mobile IPv6 * RFC 6275, Mobility Support in IPv6 (Obsoletes RFC 3775). * RFC 6602, Bulk Binding Update Support for Proxy Mobile IPv6 * RFC 6705, Localized Routing for Proxy Mobile IPv6 * RFC 6757, Access Network Identifier (ANI) Option for Proxy Mobile IPv6 * RFC 7148, Prefix Delegation Support for Proxy Mobile IPv6 * */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include "packet-gtpv2.h" #include "packet-e164.h" #include "packet-e212.h" #include "packet-gsm_a_common.h" #include "packet-ip.h" void proto_register_mip6(void); void proto_reg_handoff_mip6(void); static dissector_handle_t mip6_handle; #define UDP_PORT_PMIP6_CNTL 5436 static dissector_table_t mip6_vsm_dissector_table; /* 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, MIP6_LRI = 17, MIP6_LRA = 18 } 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] */ {MIP6_LRI, "Localized Routing Initiation"}, /* [RFC6705] */ {MIP6_LRA, "Localized Routing Acknowledgment"}, /* [RFC6705] */ {0, NULL} }; static value_string_ext mip6_mh_types_ext = VALUE_STRING_EXT_INIT(mip6_mh_types); /* 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]] */ MIP6_RECAP = 46, /* 46 Redirect-Capability Mobility Option [RFC6463] */ MIP6_REDIR = 47, /* 47 Redirect Mobility Option [RFC6463] */ MIP6_LOAD_INF = 48, /* 48 Load Information Mobility Option [RFC6463] */ MIP6_ALT_IP4_CO= 49, /* 49 Alternate IPv4 Care-of Address [RFC6463] */ MIP6_MNG = 50, /* 50 Mobile Node Group Identifier [RFC6602] */ MIP6_MAG_IPv6 = 51, /* 51 MAG IPv6 Address [RFC6705] */ MIP6_ACC_NET_ID= 52, /* 52 Access Network Identifier [RFC6757] */ MIP6_DMNP = 55 /* 55 Delegated Mobile Network Prefix Option [RFC7148] */ } optTypes; /* 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"}, /* RFC3963 */ { MIP6_MHLLA, "Mobility Header Link-Layer Address"}, /* RFC5568 */ { MIP6_MNID, "Mobile Node Identifier"}, /* RFC4283 MN-ID*/ { MIP6_AUTH, "AUTH"}, /* RFC4285 */ { MIP6_MESGID, "MESG-ID"}, /* 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"}, /* RFC5096 */ { MIP6_VSM, "Vendor Specific"}, /* RFC5094 */ { MIP6_SSM, "Service Selection"}, /* RFC5149 */ { MIP6_BADFF, "Binding Authorization Data for FMIPv6 (BADF)"}, /* RFC5568 */ { MIP6_HNP, "Home Network Prefix"}, /* RFC5213 */ { MIP6_MOHI, "Handoff Indicator"}, /* RFC5213 */ { MIP6_ATT, "Access Technology Type"}, /* RFC5213 */ { MIP6_MNLLI, "Mobile Node Link-layer Identifier"}, /* RFC5213 */ { MIP6_LLA, "Link-local Address"}, /* RFC5213 */ { MIP6_TS, "Timestamp"}, /* 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"}, /* 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"}, /* RFC5949 */ { MIP6_LMAA, "Local Mobility Anchor Address"}, /* RFC5949 */ { MIP6_MNLLAII, "Mobile Node Link-local Address Interface Identifier"}, /* RFC5949 */ { MIP6_TB, "Transient Binding"}, /* RFC6058 */ { MIP6_FS, "Flow Summary"}, /* RFC6089 */ { MIP6_FI, "Flow Identification"}, /* RFC6089 */ { MIP6_RECAP, "Redirect-Capability"}, /* RFC6463 */ { MIP6_REDIR, "Redirect"}, /* RFC6463 */ { MIP6_LOAD_INF, "Load Information"}, /* RFC6463 */ { MIP6_ALT_IP4_CO, "Alternate IPv4 Care-of Address"}, /* RFC6463 */ { MIP6_MNG, "Mobile Node Group Identifier"}, /* RFC6602 */ { MIP6_MAG_IPv6, "MAG IPv6 Address"}, /* RFC6705 */ { MIP6_ACC_NET_ID, "Access Network Identifier"}, /* RFC6757 */ { MIP6_DMNP, "Delegated Mobile Network Prefix"}, /* RFC7148 */ { 0, NULL } }; static value_string_ext mip6_mobility_options_ext = VALUE_STRING_EXT_INIT(mip6_mobility_options); /* * Status Codes (DNS Update Mobility Option) * http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xml#mobility-parameters-3 */ static const value_string mip6_dnsu_status_values[] = { { 0, "DNS update performed"}, /* [RFC5026] */ /* 1-127 Unassigned */ { 128, "Reason unspecified"}, /* [RFC5026] */ { 129, "Administratively prohibited"}, /* [RFC5026] */ { 130, "DNS Update Failed"}, /* [RFC5026] */ /* 131-255 Unassigned */ { 0, NULL } }; static const true_false_string mip6_dnsu_r_flag_value = { "Mobile Node is requesting the HA to remove the DNS entry", "Mobile Node is requesting the HA to create or update a DNS entry" }; /* 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" }; static const true_false_string pmip6_bu_b_flag_value = { "Enable bulk binding update support", "Disable bulk binding update support" }; static const true_false_string pmip6_ba_b_flag_value = { "Enabled bulk binding update support", "Disabled bulk binding update support" }; /* 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] */ { 174, "Invalid Care-of Address" }, /* [RFC6275] */ { 175, "INVALID_MOBILE_NODE_GROUP_IDENTIFIER" }, /* [RFC6602] */ { 176, "REINIT_SA_WITH_HAC" }, /* [RFC6618] */ { 177, "NOT_AUTHORIZED_FOR_DELEGATED_MNP" }, /* [RFC7148] */ { 178, "REQUESTED_DMNP_IN_USE" }, /* [RFC7148] */ { 0, NULL } }; static value_string_ext mip6_ba_status_value_ext = VALUE_STRING_EXT_INIT(mip6_ba_status_value); /* 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 } }; /* Enumerating Algorithms */ static const value_string mip6_auth_subtype_value[] = { { 0, "Reserved (not available for assignment)" }, { 3, "HMAC_SHA1_SPI" }, { 5, "Reserved for use by 3GPP2" }, { 0, NULL } }; /* mobile network prefix flag description */ static const true_false_string mip6_ipv4ha_p_flag_value = { "mobile network prefix requested", "mobile network prefix not requested" }; /* NAT Detection Option F flag values */ static const true_false_string mip6_natd_f_flag_value = { "MUST use UDP encapsulation", "Do not use UDP encapsulation" }; /* NAT Detection Option F flag values */ static const true_false_string mip6_ipv4dsm_s_flag_value = { "DHCP Server", "DHCP Relay" }; /* 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" }, { 18, "PGW Back-Off Time" }, /* 3GPP TS 29.275 [7] */ { 19, "Signalling Priority Indication" }, /* 3GPP TS 29.275 [7] */ { 20, "Additional Protocol Configuration Options" }, /* 3GPP TS 29.275 [7] */ { 21, "Static IP Address Allocation Indications" }, /* 3GPP TS 29.275 [7] */ { 22, "MME / SGSN Identifier" }, /* 3GPP TS 29.275 [7] */ { 23, "End Marker Notification" }, /* 3GPP TS 29.275 [7] */ { 24, "Trusted WLAN Mode Indication" }, /* 3GPP TS 29.275 [7] */ { 25, "UE Time Zone" }, /* 3GPP TS 29.275 [7] */ { 26, "Access Network Identifier Timestamp" }, /* 3GPP TS 29.275 [7] */ { 27, "Logical Access ID" }, /* 3GPP TS 29.275 [7] */ { 28, "Origination Time Stamp" }, /* 3GPP TS 29.275 [7] */ { 29, "Maximum Wait Time" }, /* 3GPP TS 29.275 [7] */ { 30, "TWAN Capabilities" }, /* 3GPP TS 29.275 [7] */ { 0, NULL } }; static value_string_ext mip6_vsm_subtype_3gpp_value_ext = VALUE_STRING_EXT_INIT(mip6_vsm_subtype_3gpp_value); /* Handoff Indicator Option type * http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xml#mobility-parameters-9 */ 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 * http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xml#mobility-parameters-10 */ static const value_string pmip6_att_att_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 } }; static value_string_ext pmip6_att_att_value_ext = VALUE_STRING_EXT_INIT(pmip6_att_att_value); /* IPv4 Home Address Reply Status Codes [RFC5844] * http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xml#home-address-reply */ static const value_string pmip6_ipv4aa_status_values[] = { { 0, "Success" }, /* 1-127 Unassigned */ { 128, "Virtual" }, { 129, "PPP" }, { 130, "IEEE 802.3" }, { 131, "IEEE 802.11a/b/g" }, { 132, "IEEE 802.16e" }, /* 133-255 Unassigned */ { 0, NULL } }; /* PMIP6 BRI R. Trigger values */ static const value_string pmip6_bri_rtrigger[] = { { 0, "Unspecified"}, { 1, "Administrative Reason"}, { 2, "Inter-MAG Handover - same Access Type"}, { 3, "Inter-MAG Handover - different Access Type"}, { 4, "Inter-MAG Handover - Unknown"}, { 5, "User Initiated Session(s) Termination"}, { 6, "Access Network Session(s) Termination"}, { 7, "Possible Out-of Sync BCE State"}, /* 8-127 Unassigned */ { 128, "Per-Peer Policy"}, { 129, "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}, }; #if 0 /* 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 } }; #endif /* Mobile Node Group Identifier Type * http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xml#mobile-node-group-id-type */ static const value_string mip6_mng_id_type_vals[] = { { 0x00, "Reserved"}, { 0x01, "Bulk Binding Update Group"}, { 0, NULL}, }; static const value_string pmip6_lra_status_vals[] = { { 0, "Success"}, { 128, "Localized Routing Not Allowed"}, { 129, "MN Not Attached"}, { 0, NULL}, }; /* Delegated Mobile Network Prefix V Flag Values */ static const true_false_string mip6_dmnp_v_flag_value = { "IPv4 Prefix", "IPv6 Prefix" }; /* 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_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_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 2 /* 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_LEN 2 #define MIP6_ACOA_LEN 16 #define MIP6_ACOA_ACOA_LEN 16 #define MIP6_NEMO_MNP_LEN 18 #define MIP6_NEMO_MNP_MNP_LEN 16 #define MIP6_NI_LEN 4 #define MIP6_NI_HNI_LEN 2 #define MIP6_NI_CNI_LEN 2 #define FMIP6_LLA_MINLEN 1 #define FMIP6_LLA_OPTCODE_LEN 1 #define MIP6_MNID_MINLEN 2 #define MIP6_MNID_SUBTYPE_LEN 1 #define MIP6_AUTH_MINLEN 6 #define MIP6_CGAPR_MINLEN 0 #define MIP6_CGAR_MINLEN 1 #define MIP6_SIGN_MINLEN 1 #define MIP6_PHKT_MINLEN 1 #define MIP6_MOCOTI_MINLEN 0 #define MIP6_MOCOT_MINLEN 8 #define MIP6_DNSU_MINLEN 5 #define MIP6_EM_MINLEN 1 #define MIP6_MESG_ID_LEN 8 #define MIP6_VSM_MINLEN 2 #define MIP6_VSM_VID_LEN 4 #define MIP6_VSM_SUBTYPE_LEN 1 #define MIP6_SSM_MINLEN 1 #define MIP6_BADFF_MINLEN 4 #define PMIP6_HI_LEN 2 #define PMIP6_HI_HI_LEN 1 #define PMIP6_ATT_LEN 2 #define PMIP6_ATT_ATT_LEN 1 #define PMIP6_MNLLI_MIN_LEN 1 #define PMIP6_LLA_LEN 16 #define PMIP6_TS_LEN 8 #define PMIP6_RC_LEN 4 #define PMIP6_RC_RC_LEN 4 #define MIP6_IPV4HA_LEN 6 #define MIP6_IPV4HA_PREFIXL_LEN 1 #define MIP6_IPV4HA_HA_LEN 4 #define MIP6_IPV4AA_LEN 6 #define MIP6_IPV4AA_STATUS_LEN 1 #define MIP6_IPV4AA_PREFIXL_LEN 1 #define MIP6_IPV4AA_HA_LEN 4 #define MIP6_NATD_LEN 6 #define MIP6_IPV4COA_LEN 6 #define PMIP6_GREK_MIN_LEN 2 #define PMIP6_GREK_ID_LEN 4 #define MIP6_MHIPV6AP_LEN 18 #define MIP6_BI_MIN_LEN 4 #define MIP6_IPV4HAREQ_LEN 6 #define MIP6_IPV4HAREQ_PREFIXL_LEN 1 #define MIP6_IPV4HAREQ_HA_LEN 4 #define MIP6_IPV4HAREP_LEN 6 #define MIP6_IPV4HAREP_STATUS_LEN 1 #define MIP6_IPV4HAREP_PREFIXL_LEN 1 #define MIP6_IPV4HAREP_HA_LEN 4 #define MIP6_IPV4DRA_LEN 6 #define MIP6_IPV4DRA_RES_LEN 2 #define MIP6_IPV4DRA_DRA_LEN 4 #define MIP6_IPV4DSM_LEN 2 #define MIP6_CR_MIN_LEN 4 #define MIP6_LMAA_MIN_LEN 6 #define MIP6_RECAP_LEN 2 #define MIP6_REDIR_MIN_LEN 6 #define MIP6_REDIR_FLAG_K 0x8000 #define MIP6_REDIR_FLAG_N 0x4000 #define MIP6_REDIR_FLAG_RSV 0x3FFF #define MIP6_LOAD_INF_LEN 18 #define MIP6_ALT_IP4_LEN 4 #define MIP6_MNG_LEN 6 #define MIP6_MAG_IPv6_LEN 16 #define MIP6_ACC_NET_ID_MIN_LEN 3 #define MIP6_DMNP_MIN_LEN 6 static dissector_table_t ip_dissector_table; /* Initialize the protocol and registered header fields */ static int proto_mip6; static int proto_nemo; static int proto_mip6_option_pad1; static int proto_mip6_option_padn; static int proto_mip6_option_bra; static int proto_mip6_option_acoa; static int proto_mip6_option_ni; static int proto_mip6_option_bad_auth; static int proto_mip6_option_mnp; static int proto_mip6_option_mhlla; static int proto_mip6_option_mnid; static int proto_mip6_option_auth; static int proto_mip6_option_mseg_id; static int proto_mip6_option_cgapr; static int proto_mip6_option_cgar; static int proto_mip6_option_sign; static int proto_mip6_option_phkt; static int proto_mip6_option_coti; static int proto_mip6_option_cot; static int proto_mip6_option_dnsu; static int proto_mip6_option_em; static int proto_mip6_option_vsm; static int proto_mip6_option_ssm; static int proto_mip6_option_badff; static int proto_mip6_option_hnp; static int proto_mip6_option_hi; static int proto_mip6_option_att; static int proto_mip6_option_mnlli; static int proto_mip6_option_lla; static int proto_mip6_option_ts; static int proto_mip6_option_rc; static int proto_mip6_option_ipv4ha; static int proto_mip6_option_ipv4aa; static int proto_mip6_option_natd; static int proto_mip6_option_ipv4coa; static int proto_mip6_option_grek; static int proto_mip6_option_mhipv6ap; static int proto_mip6_option_bi; static int proto_mip6_option_ipv4hareq; static int proto_mip6_option_ipv4harep; static int proto_mip6_option_ipv4dra; static int proto_mip6_option_ipv4dsm; static int proto_mip6_option_cr; static int proto_mip6_option_lmaa; static int proto_mip6_option_recap; static int proto_mip6_option_redir; static int proto_mip6_option_load_inf; static int proto_mip6_option_alt_ip4; static int proto_mip6_option_mng; static int proto_mip6_option_mag_ipv6; static int proto_mip6_option_acc_net_id; static int proto_mip6_option_dmnp; static int hf_mip6_proto; static int hf_mip6_hlen; static int hf_mip6_mhtype; static int hf_mip6_reserved; static int hf_mip6_csum; static int hf_mip6_hoti_cookie; static int hf_mip6_coti_cookie; static int hf_mip6_hot_nindex; static int hf_mip6_hot_cookie; static int hf_mip6_hot_token; static int hf_mip6_cot_nindex; static int hf_mip6_cot_cookie; /* static int hf_mip6_cot_token; */ static int hf_mip6_bu_seqnr; static int hf_mip6_bu_a_flag; static int hf_mip6_bu_h_flag; static int hf_mip6_bu_l_flag; static int hf_mip6_bu_k_flag; static int hf_mip6_bu_m_flag; static int hf_mip6_nemo_bu_r_flag; static int hf_pmip6_bu_p_flag; static int hf_mip6_bu_f_flag; static int hf_pmip6_bu_t_flag; static int hf_pmip6_bu_b_flag; static int hf_mip6_bu_lifetime; static int hf_mip6_ba_status; static int hf_mip6_ba_k_flag; static int hf_mip6_nemo_ba_r_flag; static int hf_pmip6_ba_p_flag; static int hf_pmip6_ba_t_flag; static int hf_pmip6_ba_b_flag; static int hf_mip6_ba_seqnr; static int hf_mip6_ba_lifetime; static int hf_mip6_be_status; static int hf_mip6_be_haddr; static int hf_fmip6_fbu_seqnr; static int hf_fmip6_fbu_a_flag; static int hf_fmip6_fbu_h_flag; static int hf_fmip6_fbu_l_flag; static int hf_fmip6_fbu_k_flag; static int hf_fmip6_fbu_lifetime; static int hf_fmip6_fback_status; static int hf_fmip6_fback_k_flag; static int hf_fmip6_fback_seqnr; static int hf_fmip6_fback_lifetime; static int hf_mip6_has_num_addrs; static int hf_mip6_has_reserved; static int hf_mip6_has_address; static int hf_mip6_hb_u_flag; static int hf_mip6_hb_r_flag; static int hf_mip6_hb_seqnr; static int hf_mip6_hi_seqnr; static int hf_mip6_hi_s_flag; static int hf_mip6_hi_u_flag; static int hf_mip6_hi_code; static int hf_mip6_hack_seqnr; static int hf_mip6_hack_code; static int hf_mip6_opt_3gpp_reserved; static int hf_mip6_opt_3gpp_flag_m; static int hf_mip6_opt_3gpp_spec_pmipv6_err_code; static int hf_mip6_opt_3gpp_pdn_gw_ipv4_addr; static int hf_mip6_opt_3gpp_pdn_gw_ipv6_addr; static int hf_mip6_opt_3gpp_dhcpv4_addr_all_proc_ind; static int hf_mip6_opt_3gpp_pdn_type; static int hf_mip6_opt_3gpp_pdn_ind_cause; static int hf_mip6_opt_3gpp_chg_id; static int hf_mip6_opt_3gpp_charging_characteristic; static int hf_mip6_opt_3gpp_mei; static int hf_mip6_opt_3gpp_msisdn; static int hf_mip6_opt_3gpp_apn_rest; static int hf_mip6_opt_3gpp_max_apn_rest; static int hf_mip6_opt_3gpp_imsi; static int hf_mip6_opt_3gpp_pdn_conn_id; static int hf_mip6_opt_3gpp_lapi; static int hf_mip6_bra_interval; static int hf_mip6_acoa_acoa; static int hf_mip6_nemo_mnp_mnp; static int hf_mip6_nemo_mnp_pfl; static int hf_mip6_ni_hni; static int hf_mip6_ni_cni; static int hf_mip6_bad_auth; static int hf_fmip6_lla; static int hf_fmip6_lla_optcode; static int hf_mip6_mnid_subtype; static int hf_mip6_mnid_identifier; static int hf_mip6_vsm_vid; static int hf_mip6_vsm_subtype; static int hf_mip6_vsm_subtype_3gpp; static int hf_mip6_opt_ss_identifier; static int hf_mip6_opt_badff_spi; static int hf_mip6_opt_badff_auth; static int hf_mip6_opt_auth_sub_type; static int hf_mip6_opt_auth_mobility_spi; static int hf_mip6_opt_auth_auth_data; static int hf_mip6_opt_mseg_id_timestamp; static int hf_mip6_opt_cgar_cga_par; static int hf_mip6_opt_sign_sign; static int hf_mip6_opt_phkt_phkt; static int hf_mip6_opt_mocot_co_keygen_tok; static int hf_mip6_opt_dnsu_status; static int hf_mip6_opt_dnsu_flag_r; static int hf_mip6_opt_dnsu_mn_id; static int hf_mip6_opt_em_data; static int hf_pmip6_hi_hi; static int hf_pmip6_hi_reserved; static int hf_pmip6_att_reserved; static int hf_pmip6_att_att; static int hf_mip6_opt_mnlli_reserved; static int hf_mip6_opt_mnlli_lli; static int hf_pmip6_timestamp; static int hf_pmip6_rc; static int hf_mip6_ipv4ha_preflen; static int hf_mip6_ipv4ha_p_flag; static int hf_mip6_ipv4ha_ha; static int hf_mip6_ipv4ha_reserved; static int hf_mip6_ipv4aa_status; static int hf_mip6_opt_natd_f_flag; static int hf_mip6_opt_natd_reserved; static int hf_mip6_opt_natd_refresh_t; static int hf_mip6_opt_ipv4coa_reserved; static int hf_mip6_opt_ipv4coa_addr; static int hf_pmip6_gre_key; static int hf_mip6_opt_mhipv6ap_opt_code; static int hf_mip6_opt_mhipv6ap_prefix_l; static int hf_mip6_opt_mhipv6ap_ipv6_address; static int hf_mip6_opt_mhipv6ap_ipv6_address_prefix; static int hf_mip6_ipv4dra_reserved; static int hf_mip6_ipv4dra_dra; static int hf_mip6_ipv4dsm_reserved; static int hf_mip6_ipv4dsm_s_flag; static int hf_mip6_cr_reserved; static int hf_mip6_cr_req_type; static int hf_mip6_cr_req_length; static int hf_mip6_lmaa_opt_code; static int hf_mip6_lmaa_reserved; static int hf_mip6_lmaa_ipv4; static int hf_mip6_lmaa_ipv6; static int hf_mip6_mobility_opt; static int hf_mip6_opt_len; static int hf_mip6_opt_bi_bid; static int hf_mip6_opt_bi_status; static int hf_mip6_bi_h_flag; static int hf_mip6_bi_coa_ipv4; static int hf_mip6_bi_coa_ipv6; static int hf_mip6_binding_refresh_request; static int hf_mip6_unknown_type_data; static int hf_mip6_fast_neighbor_advertisement; static int hf_mip6_vsm_data; static int hf_mip6_vsm_req_data; static int hf_mip6_opt_padn; /* PMIP BRI */ static int hf_pmip6_bri_brtype; static int hf_pmip6_bri_rtrigger; static int hf_pmip6_bri_status; static int hf_pmip6_bri_seqnr; static int hf_pmip6_bri_ip_flag; static int hf_pmip6_bri_ap_flag; static int hf_pmip6_bri_iv_flag; static int hf_pmip6_bri_av_flag; static int hf_pmip6_bri_ig_flag; static int hf_pmip6_bri_ag_flag; static int hf_pmip6_bri_res; static int hf_pmip6_lri_sequence; static int hf_pmip6_lri_reserved; static int hf_pmip6_lri_lifetime; static int hf_pmip6_lra_sequence; static int hf_pmip6_lra_u; static int hf_pmip6_lra_reserved; static int hf_pmip6_lra_status; static int hf_pmip6_lra_lifetime; static int hf_mip6_opt_recap_reserved; static int hf_mip6_opt_redir_k; static int hf_mip6_opt_redir_n; static int hf_mip6_opt_redir_reserved; static int hf_mip6_opt_redir_addr_r2LMA_ipv6; static int hf_mip6_opt_redir_addr_r2LMA_ipv4; static int hf_mip6_opt_load_inf_priority; static int hf_mip6_opt_load_inf_sessions_in_use; static int hf_mip6_opt_load_inf_maximum_sessions; static int hf_mip6_opt_load_inf_used_capacity; static int hf_mip6_opt_load_inf_maximum_capacity; static int hf_mip6_opt_alt_ip4; /* Mobile Node Group Identifier Optionm */ static int hf_mip6_opt_mng_sub_type; static int hf_mip6_opt_mng_reserved; static int hf_mip6_opt_mng_mng_id; static int hf_mip6_opt_mag_ipv6_reserved; static int hf_mip6_opt_mag_ipv6_address_length; static int hf_mip6_opt_mag_ipv6_address; static int hf_mip6_opt_acc_net_id_sub; static int hf_mip6_opt_acc_net_id_sub_opt; static int hf_mip6_opt_acc_net_id_sub_opt_len; static int hf_mip6_opt_acc_net_id_sub_opt_e_bit; static int hf_mip6_opt_acc_net_id_sub_opt_net_name_len; static int hf_mip6_opt_acc_net_id_sub_opt_net_name; static int hf_mip6_opt_acc_net_id_sub_opt_net_name_data; static int hf_mip6_opt_acc_net_id_sub_opt_ap_name_len; static int hf_mip6_opt_acc_net_id_sub_opt_ap_name; static int hf_mip6_opt_acc_net_id_sub_opt_geo_latitude_degrees; static int hf_mip6_opt_acc_net_id_sub_opt_geo_longitude_degrees; static int hf_mip6_opt_acc_net_id_sub_opt_op_id_type; static int hf_mip6_opt_acc_net_id_sub_opt_op_id; static int hf_pmip6_opt_lila_lla; /* Delegated Mobile Network Prefix Option */ static int hf_mip6_opt_dmnp_v_flag; static int hf_mip6_opt_dmnp_reserved; static int hf_mip6_opt_dmnp_prefix_len; static int hf_mip6_opt_dmnp_dmnp_ipv4; static int hf_mip6_opt_dmnp_dmnp_ipv6; /* Initialize the subtree pointers */ static int ett_mip6; static int ett_mip6_opt_pad1; static int ett_mip6_opt_padn; static int ett_mip6_opts; static int ett_mip6_opt_bra; static int ett_mip6_opt_acoa; static int ett_mip6_opt_ni; static int ett_mip6_opt_bad; static int ett_mip6_nemo_opt_mnp; static int ett_fmip6_opt_lla; static int ett_mip6_opt_mnid; static int ett_mip6_opt_auth; static int ett_mip6_opt_mesgid; static int ett_mip6_opt_cgapr; static int ett_mip6_opt_cgar; static int ett_mip6_opt_sign; static int ett_mip6_opt_phkt; static int ett_mip6_opt_mocoti; static int ett_mip6_opt_mocot; static int ett_mip6_opt_dnsu; static int ett_mip6_opt_em; static int ett_mip6_opt_vsm; static int ett_mip6_opt_ssm; static int ett_mip6_opt_badff; static int ett_mip6_opt_unknown; static int ett_pmip6_opt_hnp; static int ett_pmip6_opt_hi; static int ett_pmip6_opt_att; static int ett_pmip6_opt_mnlli; static int ett_pmip6_opt_lla; static int ett_pmip6_opt_ts; static int ett_pmip6_opt_rc; static int ett_mip6_opt_ipv4ha; static int ett_mip6_opt_ipv4aa; static int ett_mip6_opt_natd; static int ett_mip6_opt_ipv4coa; static int ett_pmip6_opt_grek; static int ett_pmip6_opt_mhipv6ap; static int ett_pmip6_opt_bi; static int ett_mip6_opt_ipv4hareq; static int ett_mip6_opt_ipv4harep; static int ett_mip6_opt_ipv4dra; static int ett_mip6_opt_ipv4dsm; static int ett_mip6_opt_cr; static int ett_mip6_opt_lmaa; static int ett_mip6_opt_recap; static int ett_mip6_opt_redir; static int ett_mip6_opt_load_inf; static int ett_mip6_opt_alt_ip4; static int ett_mip6_opt_mng; static int ett_mip6_opt_mag_ipv6; static int ett_mip6_opt_acc_net_id; static int ett_mip6_sub_opt_acc_net_id; static int ett_mip6_opt_dmnp; static expert_field ei_mip6_ie_not_dissected; static expert_field ei_mip6_ani_type_not_dissected; static expert_field ei_mip6_opt_len_invalid; static expert_field ei_mip6_vsm_data_not_dissected; static expert_field ei_mip6_bogus_header_length; static dissector_table_t mip6_option_table; /* Functions to dissect the mobility headers */ static int dissect_mip6_brr(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_) { proto_tree_add_item(mip6_tree, hf_mip6_binding_refresh_request, tvb, MIP6_DATA_OFF, MIP6_BRR_LEN, ENC_NA); return MIP6_DATA_OFF + MIP6_BRR_LEN; } static int dissect_mip6_hoti(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_) { if (mip6_tree) { proto_tree *data_tree; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_HOTI_LEN, ett_mip6, NULL, "Home Test Init"); 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 _U_) { if (mip6_tree) { proto_tree *data_tree; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_COTI_LEN, ett_mip6, NULL, "Care-of Test Init"); 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 _U_) { if (mip6_tree) { proto_tree *data_tree; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_HOT_LEN, ett_mip6, NULL, "Home Test"); 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 _U_) { if (mip6_tree) { proto_tree *data_tree; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_COT_LEN, ett_mip6, NULL, "Care-of Test"); 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 */ /* http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xml#mobility-parameters-11 A 0x8000 [RFC6275] H 0x4000 [RFC6275] L 0x2000 [RFC6275] K 0x1000 [RFC6275] M 0x0800 [RFC4140] R 0x0400 [RFC3963] P 0x0200 [RFC5213] F 0x0100 [RFC5555] T 0x0080 [RFC5845] B 0x0040 [RFC6602] */ static int dissect_mip6_bu(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_) { if (mip6_tree) { proto_tree *data_tree; int lifetime; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_BU_LEN, ett_mip6, NULL, "Binding Update"); 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); proto_tree_add_item(data_tree, hf_pmip6_bu_b_flag, tvb, MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, ENC_BIG_ENDIAN); if ((tvb_get_uint8(tvb, MIP6_BU_FLAGS_OFF) & 0x0004 ) == 0x0004) proto_nemo = 1; lifetime = tvb_get_ntohs(tvb, MIP6_BU_LIFETIME_OFF); proto_tree_add_uint_format_value(data_tree, hf_mip6_bu_lifetime, tvb, MIP6_BU_LIFETIME_OFF, MIP6_BU_LIFETIME_LEN, 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 _U_) { if (mip6_tree) { proto_tree *data_tree; int lifetime; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_BA_LEN, ett_mip6, NULL, "Binding Acknowledgement"); 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); proto_tree_add_item(data_tree, hf_pmip6_ba_b_flag, tvb, MIP6_BA_FLAGS_OFF, MIP6_BA_FLAGS_LEN, ENC_BIG_ENDIAN); if ((tvb_get_uint8(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_value(data_tree, hf_mip6_ba_lifetime, tvb, MIP6_BA_LIFETIME_OFF, MIP6_BA_LIFETIME_LEN, 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 _U_) { if (mip6_tree) { proto_tree *data_tree; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_BE_LEN, ett_mip6, NULL, "Binding Error"); 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; } /* Home Agent Switch Message */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |# of Addresses | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | + + . . . Home Agent Addresses . . . + + | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | + + . . . Mobility Options . . . + + | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_mip6_has(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_) { unsigned num_addrs, len; num_addrs = tvb_get_uint8(tvb, MIP6_DATA_OFF); len = 2 + num_addrs * 16; if (mip6_tree) { proto_tree *data_tree; int off; unsigned i; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, len, ett_mip6, NULL, "Home Agent Switch"); proto_tree_add_item(data_tree, hf_mip6_has_num_addrs, tvb, MIP6_DATA_OFF, 1, ENC_BIG_ENDIAN); proto_tree_add_item(data_tree, hf_mip6_has_reserved, tvb, MIP6_DATA_OFF + 1, 1, ENC_BIG_ENDIAN); for (i = 0, off = MIP6_DATA_OFF + 2; i < num_addrs; i++, off += 16) { proto_tree_add_item(data_tree, hf_mip6_has_address, tvb, off, 16, ENC_NA); } } return len; } static int dissect_mip6_hb(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_) { if (mip6_tree) { proto_tree *data_tree; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_HB_LEN, ett_mip6, NULL, "Heartbeat"); 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; } /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Sequence # | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |S|U| Reserved | Code | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ . | | . . . Mobility options . . . | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Figure 6: Handover Initiate (HI) Message */ static int dissect_mip6_hi(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_) { if (mip6_tree) { proto_tree *data_tree; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, 4, ett_mip6, NULL, "Handover Initiate"); proto_tree_add_item(data_tree, hf_mip6_hi_seqnr, tvb, MIP6_DATA_OFF, 2, ENC_BIG_ENDIAN); proto_tree_add_item(data_tree, hf_mip6_hi_s_flag, tvb, MIP6_DATA_OFF+2, 1, ENC_BIG_ENDIAN); proto_tree_add_item(data_tree, hf_mip6_hi_u_flag, tvb, MIP6_DATA_OFF+2, 1, ENC_BIG_ENDIAN); proto_tree_add_item(data_tree, hf_mip6_hi_code, tvb, MIP6_DATA_OFF+3, 1, ENC_BIG_ENDIAN); } return MIP6_DATA_OFF + 4; } /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Sequence # | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Reserved | Code | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ . | | . . . Mobility options . . . | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Figure 7: Handover Acknowledge (HAck) Message */ static int dissect_mip6_hack(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_) { if (mip6_tree) { proto_tree *data_tree; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, 4, ett_mip6, NULL, "Handover Acknowledge "); proto_tree_add_item(data_tree, hf_mip6_hack_seqnr, tvb, MIP6_DATA_OFF, 2, ENC_BIG_ENDIAN); proto_tree_add_item(data_tree, hf_mip6_hack_code, tvb, MIP6_DATA_OFF+3, 1, ENC_BIG_ENDIAN); } return MIP6_DATA_OFF + 4; } static int dissect_mip6_unknown(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_) { unsigned hdr_len, data_len; hdr_len = (tvb_get_uint8(tvb, MIP6_HLEN_OFF) + 1) * 8; data_len = hdr_len - MIP6_DATA_OFF; proto_tree_add_item(mip6_tree, hf_mip6_unknown_type_data, tvb, MIP6_DATA_OFF, data_len, ENC_NA); return hdr_len; } static int dissect_fmip6_fbu(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_) { if (mip6_tree) { proto_tree *data_tree; int lifetime; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, MIP6_BU_LEN, ett_mip6, NULL, "Fast Binding Update"); 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_value(data_tree, hf_fmip6_fbu_lifetime, tvb, FMIP6_FBU_LIFETIME_OFF, FMIP6_FBU_LIFETIME_LEN, 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 _U_) { if (mip6_tree) { proto_tree *data_tree; int lifetime; data_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, FMIP6_FBACK_LEN, ett_mip6, NULL, "Fast Binding Acknowledgement"); 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_value(data_tree, hf_fmip6_fback_lifetime, tvb, FMIP6_FBACK_LIFETIME_OFF, FMIP6_FBACK_LIFETIME_LEN, 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 _U_) { proto_tree_add_item(mip6_tree, hf_mip6_fast_neighbor_advertisement, tvb, MIP6_DATA_OFF, FMIP6_FNA_LEN, ENC_NA); 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_tree *field_tree; uint8_t br_type; br_type = tvb_get_uint8(tvb, PMIP6_BRI_BRTYPE_OFF); /* Branch between BR Indication and BR Acknowledge */ if ( br_type == INDICATION ) { col_append_str(pinfo->cinfo, COL_INFO, " Indication"); if (mip6_tree) { field_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, PMIP6_BRI_LEN, ett_mip6, NULL, "Binding Revocation Indication"); 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_iv_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_FLAGS_OFF, PMIP6_BRI_FLAGS_LEN, ENC_BIG_ENDIAN); } } else if ( br_type == ACKNOWLEDGE ) { col_append_str(pinfo->cinfo, COL_INFO, " Acknowledge"); if (mip6_tree) { field_tree = proto_tree_add_subtree(mip6_tree, tvb, MIP6_DATA_OFF, PMIP6_BRI_LEN, ett_mip6, NULL, "Binding Revocation Acknowledge"); 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_av_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_FLAGS_OFF, PMIP6_BRI_FLAGS_LEN, ENC_BIG_ENDIAN); } } return MIP6_DATA_OFF + PMIP6_BRI_LEN; } /* 10.1. Localized Routing Initiation (LRI) 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Sequence # | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Reserved | Lifetime | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | . . . Mobility options . . . | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_lri(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_, int offset) { proto_tree_add_item(mip6_tree, hf_pmip6_lri_sequence, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(mip6_tree, hf_pmip6_lri_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(mip6_tree, hf_pmip6_lri_lifetime, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; return offset; } /* 10.2. Localized Routing Acknowledgment (LRA) 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Sequence # | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |U| Reserved | Status | Lifetime | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | . . . Mobility options . . . | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_lra(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo _U_, int offset) { proto_tree_add_item(mip6_tree, hf_pmip6_lra_sequence, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(mip6_tree, hf_pmip6_lra_u, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(mip6_tree, hf_pmip6_lra_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(mip6_tree, hf_pmip6_lra_status, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(mip6_tree, hf_pmip6_lra_lifetime, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; return offset; } /* Functions to dissect the mobility options */ /*Dissect vendor option 3GPP * Ref Mobile IPv6 vendor specific option format and usage within 3GPP * (3GPP TS 29.282 version 10.2.0 Release 10) */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Vendor ID | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Sub-Type | Reserved |M| 3GPP Specific IE Data Fragment +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_mip6_opt_vsm_3gpp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { proto_item *hdr_item = tree; int len = tvb_reported_length(tvb); int offset = 0; uint8_t sub_type, m_flag; tvbuff_t *next_tvb; char *mei_str; char *digit_str; char *mcc_mnc_str; char *imsi_str; /* offset points to the sub type */ sub_type = tvb_get_uint8(tvb,offset); proto_tree_add_item(tree, hf_mip6_vsm_subtype_3gpp, tvb, offset, 1, ENC_BIG_ENDIAN); proto_item_append_text(hdr_item, " %s", val_to_str_ext_const(sub_type, &mip6_vsm_subtype_3gpp_value_ext, "")); offset++; m_flag = tvb_get_uint8(tvb,offset) & 0x01; proto_tree_add_item(tree, hf_mip6_opt_3gpp_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_mip6_opt_3gpp_flag_m, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; /* set len to the length of the data section */ len = len - 2; if(m_flag){ proto_tree_add_expert_format(tree, pinfo, &ei_mip6_vsm_data_not_dissected, tvb, offset, len, "Data fragment, handling not implemented yet"); return len; } /* see 3GPP TS 29.275 version 10.5.0 Release 10 */ switch (sub_type) { /* 1, Protocol Configuration Options * 3GPP PCO data, in the format from 3GPP TS 24.008 [16] subclause 10.5.6.3, starting with octet 3 * de_sm_pco(tvb, tree, pinfo, 0, length, NULL, 0); * Note needs pinfo->link_dir ? */ case 1: pinfo->link_dir = P2P_DIR_DL; de_sm_pco(tvb, tree, pinfo, offset, len, NULL, 0); break; /* 2, 3GPP Specific PMIPv6 Error Code */ case 2: proto_tree_add_item(tree, hf_mip6_opt_3gpp_spec_pmipv6_err_code, tvb, offset, 1, ENC_BIG_ENDIAN); break; /* 3, PMIPv6 PDN GW IP Address * PDN GW IP address, as specified in subclause 12.1.1.4 */ case 3: if(len == 4){ /* Ipv4 address */ proto_tree_add_item(tree, hf_mip6_opt_3gpp_pdn_gw_ipv4_addr, tvb, offset, 4, ENC_BIG_ENDIAN); }else if(len == 16){ /* IPv6 address */ proto_tree_add_item(tree, hf_mip6_opt_3gpp_pdn_gw_ipv6_addr, tvb, offset, 16, ENC_NA); } break; /* 4, PMIPv6 DHCPv4 Address Allocation Procedure Indication * DHCPv4 Address Allocation Procedure Indication, as specified in subclause 12.1.1.5 */ case 4: proto_tree_add_item(tree, hf_mip6_opt_3gpp_dhcpv4_addr_all_proc_ind, tvb, offset, 1, ENC_BIG_ENDIAN); break; /* 5, PMIPv6 Fully Qualified PDN Connection Set Identifier * FQ-CSID as specified in subclause 12.1.1.2 */ case 5: next_tvb = tvb_new_subset_length(tvb, offset, len); dissect_gtpv2_fq_csid(next_tvb, pinfo, tree, hdr_item, len, 0, 0, NULL); break; /* 6, PMIPv6 PDN type indication */ case 6: proto_tree_add_item(tree, hf_mip6_opt_3gpp_pdn_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(tree, hf_mip6_opt_3gpp_pdn_ind_cause, tvb, offset, 1, ENC_BIG_ENDIAN); break; /* 7, Charging ID * Charging ID as specified in subclause 12.1.1.6 */ case 7: proto_tree_add_item(tree, hf_mip6_opt_3gpp_chg_id, tvb, offset, 4, ENC_BIG_ENDIAN); proto_item_append_text(hdr_item, " %u", tvb_get_ntohl(tvb, offset)); break; /* 8, Selection Mode */ case 8: next_tvb = tvb_new_subset_length(tvb, offset, len); dissect_gtpv2_selec_mode(next_tvb, pinfo, tree, hdr_item, len, 0, 0, NULL); break; /* 9, I-WLAN Mobility Access Point Name (APN) */ /* 10, Charging Characteristics */ case 10: proto_tree_add_item(tree, hf_mip6_opt_3gpp_charging_characteristic, tvb, offset, 2, ENC_BIG_ENDIAN); break; /* 11, Mobile Equipment Identity (MEI) */ case 11: proto_tree_add_item_ret_display_string(tree, hf_mip6_opt_3gpp_mei, tvb, offset, len, ENC_BCD_DIGITS_0_9|ENC_LITTLE_ENDIAN, pinfo->pool, &mei_str); proto_item_append_text(hdr_item, " %s", mei_str); break; /* 12, MSISDN */ case 12: dissect_e164_cc(tvb, tree, offset, E164_ENC_BCD); proto_tree_add_item_ret_display_string(tree, hf_mip6_opt_3gpp_msisdn, tvb, offset, len, ENC_BCD_DIGITS_0_9|ENC_LITTLE_ENDIAN, pinfo->pool, &digit_str); proto_item_append_text(hdr_item, " %s", digit_str); break; /* 13, Serving Network */ case 13: mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, offset, E212_NONE, true); proto_item_append_text(hdr_item," %s", mcc_mnc_str); break; /* 14, APN Restriction */ case 14: proto_tree_add_item(tree, hf_mip6_opt_3gpp_apn_rest, tvb, offset, 1, ENC_BIG_ENDIAN); break; /* 15, Maximum APN Restriction */ case 15: proto_tree_add_item(tree, hf_mip6_opt_3gpp_max_apn_rest, tvb, offset, 1, ENC_BIG_ENDIAN); break; /* 16, Unauthenticated IMSI */ case 16: proto_tree_add_item_ret_display_string(tree, hf_mip6_opt_3gpp_imsi, tvb, offset, len, ENC_BCD_DIGITS_0_9|ENC_LITTLE_ENDIAN, pinfo->pool, &imsi_str); proto_item_append_text(hdr_item," %s", imsi_str); break; /* 17, PDN Connection ID */ case 17: proto_tree_add_item(tree, hf_mip6_opt_3gpp_pdn_conn_id, tvb, offset, 1, ENC_BIG_ENDIAN); break; /* 18, PGW Back-Off Time */ case 18: next_tvb = tvb_new_subset_length(tvb, offset, len); dissect_gtpv2_epc_timer(next_tvb, pinfo, tree, hdr_item, len, 0, 0, NULL); break; /* 19, Signalling Priority Indication */ case 19: proto_tree_add_item(tree, hf_mip6_opt_3gpp_lapi, tvb, offset, 1, ENC_BIG_ENDIAN); break; /* 20, Additional Protocol Configuration Options * 12.1.1.19 Additional Protocol Configuration Options * The Additional Protocol Configuration Options IE contains additional 3GPP protocol configuration options * information. The IE is in the same format as the PCO IE specified in 3GPP TS 24.008 [16] subclause 10.5.6.3, starting * with octet 3. */ default: proto_tree_add_expert(tree, pinfo, &ei_mip6_vsm_data_not_dissected, tvb, offset, len); break; } return len; } static proto_tree* mip6_fixed_option_header(proto_tree* tree, packet_info *pinfo, tvbuff_t *tvb, int proto, int ett, proto_item** ti, unsigned len, unsigned optlen) { proto_tree *field_tree; proto_item *tf; *ti = proto_tree_add_item(tree, proto, tvb, 0, -1, ENC_NA); field_tree = proto_item_add_subtree(*ti, ett); tf = proto_tree_add_item(field_tree, hf_mip6_opt_len, tvb, 1, 1, ENC_NA); if (len != optlen) { /* Bogus - option length isn't what it's supposed to be for this option. */ expert_add_info_format(pinfo, tf, &ei_mip6_opt_len_invalid, "%s (with option length = %u byte%s; should be %u)", proto_get_protocol_short_name(find_protocol_by_id(proto)), len, plurality(len, "", "s"), optlen); } return field_tree; } static proto_tree* mip6_var_option_header(proto_tree* tree, packet_info *pinfo, tvbuff_t *tvb, int proto, int ett, proto_item** ti, unsigned len, unsigned optlen) { proto_tree *field_tree; proto_item *tf; *ti = proto_tree_add_item(tree, proto, tvb, 0, -1, ENC_NA); field_tree = proto_item_add_subtree(*ti, ett); tf = proto_tree_add_item(field_tree, hf_mip6_opt_len, tvb, 1, 1, ENC_NA); if (len < optlen) expert_add_info_format(pinfo, tf, &ei_mip6_opt_len_invalid, "%s (with option length = %u byte%s; should be >= %u)", proto_get_protocol_short_name(find_protocol_by_id(proto)), len, plurality(len, "", "s"), optlen); return field_tree; } /* 1 PadN [RFC3775] */ static int dissect_mip6_opt_padn(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_padn, ett_mip6_opt_padn, &ti, option_len, 0); if (option_len > 0) { proto_tree_add_item(opt_tree, hf_mip6_opt_padn, tvb, offset, option_len, ENC_NA); } return tvb_captured_length(tvb); } /* 2 Binding Refresh Advice */ static int dissect_mip6_opt_bra(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_ ) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; int ri; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_bra, ett_mip6_opt_bra, &ti, option_len, MIP6_BRA_LEN); ri = tvb_get_ntohs(tvb, offset); proto_tree_add_uint_format_value(opt_tree, hf_mip6_bra_interval, tvb, offset, 2, ri, "%d (%ld seconds)", ri, (long)ri * 4); return tvb_captured_length(tvb); } /*3 Alternate Care-of Address */ static int dissect_mip6_opt_acoa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_ ) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_acoa, ett_mip6_opt_acoa, &ti, option_len, MIP6_ACOA_LEN); proto_tree_add_item(opt_tree, hf_mip6_acoa_acoa, tvb, offset, MIP6_ACOA_ACOA_LEN, ENC_NA); return tvb_captured_length(tvb); } /* 4 Nonce Indices */ static int dissect_mip6_opt_ni(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_ ) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_ni, ett_mip6_opt_ni, &ti, option_len, MIP6_NI_LEN); proto_tree_add_item(opt_tree, hf_mip6_ni_hni, tvb, offset, MIP6_NI_HNI_LEN, ENC_BIG_ENDIAN); offset += MIP6_NI_HNI_LEN; proto_tree_add_item(opt_tree, hf_mip6_ni_cni, tvb, offset, MIP6_NI_CNI_LEN, ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } /* 5 Authorization Data */ static int dissect_mip6_opt_bad(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_ ) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_bad_auth, ett_mip6_opt_bad, &ti, option_len, 0); proto_tree_add_item(opt_tree, hf_mip6_bad_auth, tvb, offset, option_len, ENC_NA); return tvb_captured_length(tvb); } static int dissect_mip6_network_prefix_option(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int proto, int ett, int optlen) { proto_tree* field_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 3; uint32_t prefix_len; field_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto, ett, &ti, option_len, optlen); proto_tree_add_item_ret_uint(field_tree, hf_mip6_nemo_mnp_pfl, tvb, offset, 1, ENC_BIG_ENDIAN, &prefix_len); offset++; proto_tree_add_item(field_tree, hf_mip6_nemo_mnp_mnp, tvb, offset, MIP6_NEMO_MNP_MNP_LEN, ENC_NA); proto_item_append_text(ti, ": %s/%u", tvb_ip6_to_str(pinfo->pool, tvb, offset), prefix_len); return tvb_captured_length(tvb); } /* 6 Mobile Network Prefix Option */ static int dissect_mip6_nemo_opt_mnp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { return dissect_mip6_network_prefix_option(tvb, pinfo, tree, proto_mip6_option_mnp, ett_mip6_nemo_opt_mnp, MIP6_NEMO_MNP_LEN); } /* 7 Mobility Header Link-Layer Address option [RFC5568] */ static int dissect_fmip6_opt_lla(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_mhlla, ett_fmip6_opt_lla, &ti, option_len, FMIP6_LLA_MINLEN); proto_tree_add_item(opt_tree, hf_fmip6_lla_optcode, tvb, offset, FMIP6_LLA_OPTCODE_LEN, ENC_BIG_ENDIAN); offset += FMIP6_LLA_OPTCODE_LEN; if (option_len > FMIP6_LLA_OPTCODE_LEN) { proto_tree_add_item(opt_tree, hf_fmip6_lla, tvb, offset, option_len-FMIP6_LLA_OPTCODE_LEN, ENC_NA); } return tvb_captured_length(tvb); } /* 8 MN-ID-OPTION-TYPE RFC4283 MN-ID https://tools.ietf.org/html/rfc4283 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Option Type | Option Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Subtype | Identifier ... +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ : Option Length: 8-bit unsigned integer, representing the length in octets of the Subtype and Identifier fields. */ static int dissect_mip6_opt_mnid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; const uint8_t *str; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_mnid, ett_mip6_opt_mnid, &ti, option_len, MIP6_MNID_MINLEN); proto_tree_add_item(opt_tree, hf_mip6_mnid_subtype, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; if (option_len - offset > 0) { proto_tree_add_item_ret_string(opt_tree, hf_mip6_mnid_identifier, tvb, offset, option_len - 1, ENC_UTF_8|ENC_NA, pinfo->pool, &str); proto_item_append_text(ti, ": %s", str); } return tvb_captured_length(tvb); } /* 9 AUTH-OPTION-TYPE https://tools.ietf.org/html/rfc4285 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Option Type | Option Length | Subtype | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Mobility SPI | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Authentication Data .... +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Figure 2: Mobility Message Authentication Option */ static int dissect_mip6_opt_auth(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_auth, ett_mip6_opt_auth, &ti, option_len, MIP6_AUTH_MINLEN); proto_tree_add_item(opt_tree, hf_mip6_opt_auth_sub_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(opt_tree, hf_mip6_opt_auth_mobility_spi, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(opt_tree, hf_mip6_opt_auth_auth_data, tvb, offset, option_len-offset, ENC_NA); return tvb_captured_length(tvb); } /* 10 MESG-ID-OPTION-TYPE [RFC4285] */ static int dissect_mip6_opt_mseg_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_mseg_id, ett_mip6_opt_mesgid, &ti, option_len, MIP6_MESG_ID_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_mseg_id_timestamp, tvb, offset, 8, ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } /* 11 CGA Parameters Request [RFC4866] */ /* Carries no data */ static int dissect_mip6_opt_cgapr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int option_len = tvb_reported_length(tvb)-2; proto_item* ti; mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_cgapr, ett_mip6_opt_cgapr, &ti, option_len, MIP6_CGAPR_MINLEN); return tvb_captured_length(tvb); } /* 12 CGA Parameters [RFC4866] */ static int dissect_mip6_opt_cgar(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_cgar, ett_mip6_opt_cgar, &ti, option_len, MIP6_CGAR_MINLEN); proto_tree_add_item(opt_tree, hf_mip6_opt_cgar_cga_par, tvb, offset, option_len-2, ENC_NA); return tvb_captured_length(tvb); } /* 13 Signature [RFC4866] */ static int dissect_mip6_opt_sign(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_sign, ett_mip6_opt_sign, &ti, option_len, MIP6_SIGN_MINLEN); proto_tree_add_item(opt_tree, hf_mip6_opt_sign_sign, tvb, offset, option_len-2, ENC_NA); return tvb_captured_length(tvb); } /* 14 Permanent Home Keygen Token [RFC4866] */ static int dissect_mip6_opt_phkt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_phkt, ett_mip6_opt_phkt, &ti, option_len, MIP6_PHKT_MINLEN); proto_tree_add_item(opt_tree, hf_mip6_opt_phkt_phkt, tvb, offset, option_len-2, ENC_NA); return tvb_captured_length(tvb); } /* 15 Care-of Test Init [RFC4866] * No data in this option. */ static int dissect_mip6_opt_coti(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int option_len = tvb_reported_length(tvb)-2; proto_item* ti; mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_coti, ett_mip6_opt_mocoti, &ti, option_len, MIP6_MOCOTI_MINLEN); return tvb_captured_length(tvb); } /* 16 Care-of Test [RFC4866] */ static int dissect_mip6_opt_mocot(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_cot, ett_mip6_opt_mocot, &ti, option_len, MIP6_MOCOT_MINLEN); proto_tree_add_item(opt_tree, hf_mip6_opt_mocot_co_keygen_tok, tvb, offset, option_len-2, ENC_NA); return tvb_captured_length(tvb); } /* 17 DNS-UPDATE-TYPE [RFC5026] 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Option Type | Option Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Status |R| Reserved | MN identity (FQDN) ... +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Option Type DNS-UPDATE-TYPE (17) */ static int dissect_mip6_opt_dnsu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_dnsu, ett_mip6_opt_dnsu, &ti, option_len, MIP6_DNSU_MINLEN); proto_tree_add_item(opt_tree, hf_mip6_opt_dnsu_status, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(opt_tree, hf_mip6_opt_dnsu_flag_r, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(opt_tree, hf_mip6_opt_dnsu_mn_id, tvb, offset, option_len-2-2, ENC_NA); return tvb_captured_length(tvb); } /* 18 Experimental Mobility Option [RFC5096] */ static int dissect_mip6_opt_em(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_em, ett_mip6_opt_em, &ti, option_len, MIP6_EM_MINLEN); proto_tree_add_item(opt_tree, hf_mip6_opt_em_data, tvb, offset, option_len-2, ENC_NA); return tvb_captured_length(tvb); } /* 19 Vendor Specific Mobility Option [RFC5094] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Vendor ID | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Sub-Type | Data....... +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_mip6_opt_vsm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; tvbuff_t *next_tvb; uint32_t vendorid; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_vsm, ett_mip6_opt_vsm, &ti, option_len, MIP6_VSM_MINLEN); proto_tree_add_item_ret_uint(opt_tree, hf_mip6_vsm_vid, tvb, offset, MIP6_VSM_VID_LEN, ENC_BIG_ENDIAN, &vendorid); proto_item_append_text(ti, ": %s", enterprises_lookup(vendorid, "")); offset += 4; next_tvb = tvb_new_subset_remaining(tvb, offset); if (!dissector_try_uint(mip6_vsm_dissector_table, vendorid, next_tvb, pinfo, opt_tree)){ proto_tree_add_item(opt_tree, hf_mip6_vsm_subtype, tvb, offset, MIP6_VSM_SUBTYPE_LEN, ENC_BIG_ENDIAN); offset++; if (option_len-offset > 0){ proto_tree_add_item(opt_tree, hf_mip6_vsm_data, tvb, offset, option_len-offset, ENC_NA); } } return tvb_captured_length(tvb); } /* 20 Service Selection Mobility Option [RFC5149] */ static int dissect_mip6_opt_ssm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; uint8_t *apn = NULL; int name_len; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_ssm, ett_mip6_opt_ssm, &ti, option_len, MIP6_SSM_MINLEN); /* RFC 5149 3. Service Selection Mobility Option * Identifier: A variable-length encoded service identifier string * used to identify the requested service. The identifier string * length is between 1 and 255 octets. This specification allows * international identifier strings that are based on the use of * Unicode characters, encoded as UTF-8, and formatted using * Normalization Form KC (NFKC). */ /* 3GPP TS 29.275 version 10.5.0 Release 10, Table 5.1.1.1-2 * Set to the EPS Access Point Name to which the UE * attaches the new PDN connection. * The encoding the APN field follows 3GPP TS 23.003 * [12] subclause 9.1 but excluding the trailing zero byte. * The content of the APN field shall be the full APN with * both the APN Network Identifier and default APN * Operator Identifier being present as specified in 3GPP * TS 23.003 [12] subclauses 9.1.1 and 9.1.2 * NOTE 4. * NOTE 4: The APN field is not encoded as a dotted string as commonly used in documentation */ if (option_len > 0) { name_len = tvb_get_uint8(tvb, offset); /* As can be seen above, RFC 5149 "allows" the use of UTF-8 encoded * strings, but the 3GPP chose to encode as other APN fields, * similar to RFC 1035 DNS labels (but without pointer compression). * As a heuristic, if the first byte is less than 0x20, interpret * it as a length (rather than a control code) and use APN encoding, * otherwise interpret as a string. */ if (name_len < 0x20) { apn = tvb_get_string_enc(pinfo->pool, tvb, offset, option_len, ENC_APN_STR); } else { apn = tvb_get_string_enc(pinfo->pool, tvb, offset, option_len, ENC_UTF_8); } proto_tree_add_string(opt_tree, hf_mip6_opt_ss_identifier, tvb, offset, option_len, apn); } if(apn){ proto_item_append_text(ti, ": %s", apn); } return tvb_captured_length(tvb); } /* 21 Binding Authorization Data for FMIPv6 (BADF) [RFC5568] */ static int dissect_mip6_opt_badff(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_badff, ett_mip6_opt_badff, &ti, option_len, MIP6_BADFF_MINLEN); proto_tree_add_item(opt_tree, hf_mip6_opt_badff_spi, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(opt_tree, hf_mip6_opt_badff_auth, tvb, offset, option_len-offset, ENC_NA); return tvb_captured_length(tvb); } /* 22 Home Network Prefix Option [RFC5213] */ static int dissect_mip6_opt_hnp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { return dissect_mip6_network_prefix_option(tvb, pinfo, tree, proto_mip6_option_hnp, ett_pmip6_opt_hnp, MIP6_NEMO_MNP_LEN); } /* 23 Handoff Indicator Option [RFC5213] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Reserved (R) | HI | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_hi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; uint32_t hi; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_hi, ett_pmip6_opt_hi, &ti, option_len, PMIP6_HI_LEN); proto_tree_add_item(opt_tree, hf_pmip6_hi_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item_ret_uint(opt_tree, hf_pmip6_hi_hi, tvb, offset, PMIP6_HI_HI_LEN, ENC_BIG_ENDIAN, &hi); proto_item_append_text(ti, ": %s", val_to_str_const(hi, pmip6_hi_opttype_value, "")); return tvb_captured_length(tvb); } /* 24 Access Technology Type Option [RFC5213] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Reserved (R) | ATT | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_att(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; uint32_t att; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_att, ett_pmip6_opt_att, &ti, option_len, PMIP6_ATT_LEN); proto_tree_add_item(opt_tree, hf_pmip6_att_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; att = tvb_get_uint8(tvb,offset); proto_tree_add_item_ret_uint(opt_tree, hf_pmip6_att_att, tvb, offset, PMIP6_ATT_ATT_LEN, ENC_BIG_ENDIAN, &att); proto_item_append_text(ti, ": %s", val_to_str_ext_const(att, &pmip6_att_att_value_ext, "")); return tvb_captured_length(tvb); } /* 25 Mobile Node Link-layer Identifier Option [RFC5213] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | + Link-layer Identifier + . ... . | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_mnlli(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_mnlli, ett_pmip6_opt_mnlli, &ti, option_len, PMIP6_MNLLI_MIN_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_mnlli_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(opt_tree, hf_mip6_opt_mnlli_lli, tvb, offset, option_len-2, ENC_NA); return tvb_captured_length(tvb); } /* 26 Link-local Address Option [RFC5213 */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | + + | | + Link-local Address + | | + + | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_lla(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_) { proto_tree* field_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; field_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_lla, ett_pmip6_opt_lla, &ti, option_len, PMIP6_LLA_LEN); proto_tree_add_item(field_tree, hf_pmip6_opt_lila_lla, tvb, offset, 16, ENC_NA); return tvb_captured_length(tvb); } /* 27 Timestamp */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | + Timestamp + | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Timestamp A 64-bit unsigned integer field containing a timestamp. The value indicates the number of seconds since January 1, 1970, 00:00 UTC, by using a fixed point format. In this format, the integer number of seconds is contained in the first 48 bits of the field, and the remaining 16 bits indicate the number of 1/65536 fractions of a second. */ static int dissect_pmip6_opt_ts(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; char *str; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_ts, ett_pmip6_opt_ts, &ti, option_len, PMIP6_TS_LEN); proto_tree_add_item_ret_time_string(opt_tree, hf_pmip6_timestamp, tvb, offset, 8, ENC_TIME_MIP6|ENC_BIG_ENDIAN, pinfo->pool, &str); proto_item_append_text(ti, ": %s", str); return tvb_captured_length(tvb); } /* 28 Restart Counter [RFC5847] */ static int dissect_pmip6_opt_rc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_rc, ett_pmip6_opt_rc, &ti, option_len, PMIP6_RC_LEN); proto_tree_add_item(opt_tree, hf_pmip6_rc, tvb, offset, PMIP6_RC_RC_LEN, ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } /* 29 IPv4 Home Address [RFC5555] */ static int dissect_pmip6_opt_ipv4ha(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_) { proto_tree* field_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; field_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_ipv4ha, ett_mip6_opt_ipv4ha, &ti, option_len, MIP6_IPV4HA_LEN); proto_tree_add_item(field_tree, hf_mip6_ipv4ha_preflen, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(field_tree, hf_mip6_ipv4ha_p_flag, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(field_tree, hf_mip6_ipv4ha_ha, tvb, offset, MIP6_IPV4HA_HA_LEN, ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } /* 30 IPv4 Address Acknowledgement [RFC5555] */ static int dissect_pmip6_opt_ipv4aa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_) { proto_tree* field_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; field_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_ipv4aa, ett_mip6_opt_ipv4aa, &ti, option_len, MIP6_IPV4AA_LEN); proto_tree_add_item(field_tree, hf_mip6_ipv4aa_status, tvb, offset, MIP6_IPV4AA_STATUS_LEN, ENC_BIG_ENDIAN); offset += MIP6_IPV4AA_STATUS_LEN; proto_tree_add_item(field_tree, hf_mip6_ipv4ha_preflen, tvb, offset, MIP6_IPV4AA_PREFIXL_LEN, ENC_BIG_ENDIAN); offset += MIP6_IPV4AA_PREFIXL_LEN; proto_tree_add_item(field_tree, hf_mip6_ipv4ha_ha, tvb, offset, MIP6_IPV4AA_HA_LEN, ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } /* 31 NAT Detection [RFC5555] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length |F| Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Refresh time | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_natd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; proto_item *item; uint32_t refresh_time; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_natd, ett_mip6_opt_natd, &ti, option_len, MIP6_NATD_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_natd_f_flag, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(opt_tree, hf_mip6_opt_natd_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; item = proto_tree_add_item_ret_uint(opt_tree, hf_mip6_opt_natd_refresh_t, tvb, offset, 4, ENC_BIG_ENDIAN, &refresh_time); if (refresh_time == 0) { proto_item_append_text(item, " (Ignore)"); } if (refresh_time == 0xffffffff) { proto_item_append_text(item, " (keepalives are not needed, no NAT detected)"); } return tvb_captured_length(tvb); } /* 32 IPv4 Care-of Address [RFC5555] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | IPv4 Care-of address | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_ipv4coa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_ipv4coa, ett_mip6_opt_ipv4coa, &ti, option_len, MIP6_IPV4COA_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_ipv4coa_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(opt_tree, hf_mip6_opt_ipv4coa_addr, tvb, offset, 4, ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } /* 33 GRE Key Option [RFC5845] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | GRE Key Identifier | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_grek(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; uint32_t key; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_grek, ett_pmip6_opt_grek, &ti, option_len, PMIP6_GREK_MIN_LEN); proto_tree_add_item(opt_tree, hf_mip6_ipv4dra_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); if (option_len == 6) { offset += 2; proto_tree_add_item_ret_uint(opt_tree, hf_pmip6_gre_key, tvb, offset, PMIP6_GREK_ID_LEN, ENC_BIG_ENDIAN, &key); proto_item_append_text(ti, ": %u", key); } return tvb_captured_length(tvb); } /* 34 Mobility Header IPv6 Address/Prefix [RFC5568] 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Option-Code | Prefix Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | + + | | + IPv6 Address/Prefix + | | + + | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_mhipv6ap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; uint8_t prefix_l; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_mhipv6ap, ett_pmip6_opt_mhipv6ap, &ti, option_len, MIP6_MHIPV6AP_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_mhipv6ap_opt_code, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; prefix_l = tvb_get_uint8(tvb,offset); proto_tree_add_item(opt_tree, hf_mip6_opt_mhipv6ap_prefix_l, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(opt_tree, hf_mip6_opt_mhipv6ap_ipv6_address, tvb, offset, 16, ENC_NA); ti = proto_tree_add_string(opt_tree, hf_mip6_opt_mhipv6ap_ipv6_address_prefix, tvb, offset -1, 16+1, tvb_ip6_to_str(pinfo->pool, tvb, offset)); proto_item_append_text(ti, "/%u", prefix_l); proto_item_set_generated(ti); return tvb_captured_length(tvb); } /* 35 Binding Identifier [RFC5648] */ /* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type = 35 | Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Binding ID (BID) | Status |H| Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-------------------------------+ + + : IPv4 or IPv6 care-of address (CoA) : + + +---------------------------------------------------------------+ */ static int dissect_pmip6_opt_bi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_bi, ett_pmip6_opt_bi, &ti, option_len, MIP6_BI_MIN_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_bi_bid, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(opt_tree, hf_mip6_opt_bi_status, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(opt_tree, hf_mip6_bi_h_flag, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; if (option_len == 8) { /* IPv4 addr */ proto_tree_add_item(opt_tree, hf_mip6_bi_coa_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); } else if (option_len == 20) { /* Ipv6 Addr */ proto_tree_add_item(opt_tree, hf_mip6_bi_coa_ipv6, tvb, offset, 16, ENC_NA); } return tvb_captured_length(tvb); } /* 36 IPv4 Home Address Request [RFC5844] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length |Prefix-len | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | IPv4 home address | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_ipv4hareq(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; proto_item *item; uint32_t dword; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_ipv4hareq, ett_mip6_opt_ipv4hareq, &ti, option_len, MIP6_IPV4HAREQ_LEN); proto_tree_add_item(opt_tree, hf_mip6_ipv4ha_preflen, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; /* Reserved */ proto_tree_add_item(opt_tree, hf_mip6_ipv4ha_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; /* Field is an IPv4 address, so can't be retrieved by proto_tree_add_item_ret_uint */ dword = tvb_get_ntohl(tvb,offset); item = proto_tree_add_item(opt_tree, hf_mip6_ipv4ha_ha, tvb, offset, MIP6_IPV4HAREQ_HA_LEN, ENC_BIG_ENDIAN); if (dword == 0) { proto_item_append_text(item, " - Request that the local mobility anchor perform the address allocation"); } proto_item_append_text(ti, ": %s", tvb_ip_to_str(pinfo->pool, tvb,offset)); return tvb_captured_length(tvb); } /* 37 IPv4 Home Address Reply [RFC5844] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Status |Pref-len |Res| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | IPv4 home address | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_ipv4harep(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; uint32_t status; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_ipv4harep, ett_mip6_opt_ipv4harep, &ti, option_len, MIP6_IPV4HAREP_LEN); proto_tree_add_item_ret_uint(opt_tree, hf_mip6_ipv4aa_status, tvb, offset, MIP6_IPV4HAREP_STATUS_LEN, ENC_BIG_ENDIAN, &status); proto_item_append_text(ti, ": %s ", val_to_str_const(status, pmip6_ipv4aa_status_values, "")); offset++; proto_tree_add_item(opt_tree, hf_mip6_ipv4ha_preflen, tvb, offset, MIP6_IPV4HAREP_PREFIXL_LEN, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(opt_tree, hf_mip6_ipv4ha_ha, tvb, offset, MIP6_IPV4HAREP_HA_LEN, ENC_BIG_ENDIAN); proto_item_append_text(ti, ": %s", tvb_ip_to_str(pinfo->pool, tvb,offset)); return tvb_captured_length(tvb); } /* 38 IPv4 Default-Router Address [RFC5844] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Reserved (R) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | IPv4 Default-Router Address | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_ipv4dra(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_ipv4dra, ett_mip6_opt_ipv4dra, &ti, option_len, MIP6_IPV4DRA_LEN); proto_tree_add_item(opt_tree, hf_mip6_ipv4dra_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(opt_tree, hf_mip6_ipv4dra_dra, tvb, offset, MIP6_IPV4DRA_DRA_LEN, ENC_BIG_ENDIAN); proto_item_append_text(ti, ": %s", tvb_ip_to_str(pinfo->pool, tvb,offset)); return tvb_captured_length(tvb); } /* 39 IPv4 DHCP Support Mode [RFC5844] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Reserved (R) |S| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_ipv4dsm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_ipv4dsm, ett_mip6_opt_ipv4dsm, &ti, option_len, MIP6_IPV4DSM_LEN); proto_tree_add_item(opt_tree, hf_mip6_ipv4dsm_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(opt_tree, hf_mip6_ipv4dsm_s_flag, tvb, offset, 2, ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } /* 40 Context Request Option [RFC5949] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +---------------+---------------+---------------+---------------+ | Option-Type | Option-Length | Reserved | +---------------+---------------+-------------------------------+ | Req-type-1 | Req-length-1 | Req-type-2 | Req-length-2 | +---------------------------------------------------------------+ | Req-type-3 | Req-length-3 | Req-option-3 | +---------------------------------------------------------------+ | ... | */ static int dissect_pmip6_opt_cr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; uint8_t req_type, req_length; uint32_t vendorid; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_cr, ett_mip6_opt_cr, &ti, option_len, MIP6_CR_MIN_LEN); proto_tree_add_item(opt_tree, hf_mip6_cr_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; while (offset-2 < option_len) { req_type = tvb_get_uint8(tvb,offset); proto_tree_add_item(opt_tree, hf_mip6_cr_req_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; req_length = tvb_get_uint8(tvb,offset); proto_tree_add_item(opt_tree, hf_mip6_cr_req_length, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; if (req_length == 0) continue; if (req_type == MIP6_VSM) { /* vendor specific option */ proto_tree_add_item_ret_uint(opt_tree, hf_mip6_vsm_vid, tvb, offset, 4, ENC_BIG_ENDIAN, &vendorid); if (vendorid == VENDOR_THE3GPP) { proto_tree_add_item(opt_tree, hf_mip6_vsm_subtype_3gpp, tvb, offset+4, 1, ENC_BIG_ENDIAN); } else { proto_tree_add_item(opt_tree, hf_mip6_vsm_subtype, tvb, offset+4, 1, ENC_BIG_ENDIAN); } } else { proto_tree_add_item(opt_tree, hf_mip6_vsm_req_data, tvb, offset, req_length, ENC_NA); } offset += req_length; } return tvb_captured_length(tvb); } /* 41 Local Mobility Anchor Address Option [RFC5949] */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Option-Type | Option-Length | Option-Code | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Local Mobility Anchor Address ... | */ static int dissect_pmip6_opt_lmaa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; uint8_t opt_code; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_lmaa, ett_mip6_opt_lmaa, &ti, option_len, MIP6_LMAA_MIN_LEN); opt_code = tvb_get_uint8(tvb,offset); proto_tree_add_item(opt_tree, hf_mip6_lmaa_opt_code, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(opt_tree, hf_mip6_lmaa_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if (opt_code == 1) { /* Ipv6 Addr */ proto_tree_add_item(opt_tree, hf_mip6_lmaa_ipv6, tvb, offset, 16, ENC_NA); proto_item_append_text(ti, ": %s", tvb_ip6_to_str(pinfo->pool, tvb,offset)); }else if (opt_code == 2) { /* IPv4 addr */ proto_tree_add_item(opt_tree, hf_mip6_lmaa_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); proto_item_append_text(ti, ": %s", tvb_ip_to_str(pinfo->pool, tvb,offset)); } return tvb_captured_length(tvb); } static int dissect_pmip6_opt_recap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_recap, ett_mip6_opt_recap, &ti, option_len, MIP6_RECAP_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_recap_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } static int dissect_pmip6_opt_redir(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; uint16_t flag; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_redir, ett_mip6_opt_redir, &ti, option_len, MIP6_REDIR_MIN_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_redir_k, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(opt_tree, hf_mip6_opt_redir_n, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(opt_tree, hf_mip6_opt_redir_reserved, tvb, offset, 2, ENC_BIG_ENDIAN); flag = tvb_get_ntohs(tvb ,offset); offset += 2; if (flag & MIP6_REDIR_FLAG_K) { proto_tree_add_item(opt_tree, hf_mip6_opt_redir_addr_r2LMA_ipv6, tvb, offset, 16, ENC_NA); offset += 16; } if (flag & MIP6_REDIR_FLAG_N) { proto_tree_add_item(opt_tree, hf_mip6_opt_redir_addr_r2LMA_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); /*offset += 4;*/ } return tvb_captured_length(tvb); } static int dissect_pmip6_opt_load_inf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_load_inf, ett_mip6_opt_load_inf, &ti, option_len, MIP6_LOAD_INF_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_load_inf_priority, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(opt_tree, hf_mip6_opt_load_inf_sessions_in_use, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(opt_tree, hf_mip6_opt_load_inf_maximum_sessions, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(opt_tree, hf_mip6_opt_load_inf_used_capacity, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(opt_tree, hf_mip6_opt_load_inf_maximum_capacity, tvb, offset, 4, ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } static int dissect_pmip6_opt_alt_ip4(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_alt_ip4, ett_mip6_opt_alt_ip4, &ti, option_len, MIP6_ALT_IP4_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_alt_ip4, tvb, offset, 4, ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } /* RFC 6602 The type value for this option is 50. 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Sub-type | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Mobile Node Group Identifier | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_mng(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; proto_item *item; uint32_t mng_id; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_mng, ett_mip6_opt_mng, &ti, option_len, MIP6_MNG_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_mng_sub_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(opt_tree, hf_mip6_opt_mng_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; item = proto_tree_add_item_ret_uint(opt_tree, hf_mip6_opt_mng_mng_id, tvb, offset, 4, ENC_BIG_ENDIAN, &mng_id); if (mng_id == 1) { proto_item_append_text(item, " - ALL-SESSIONS"); } return tvb_captured_length(tvb); } /* 11.1. MAG IPv6 Address The MAG IPv6 address mobility option contains the IPv6 address of a MAG involved in localized routing. The MAG IPv6 address option has an alignment requirement of 8n+4. 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | Reserved | Address Length| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | + + | | + MAG IPv6 Address + | | + + | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_pmip6_opt_mag_ipv6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; opt_tree = mip6_fixed_option_header(tree, pinfo, tvb, proto_mip6_option_mag_ipv6, ett_mip6_opt_mag_ipv6, &ti, option_len, MIP6_MAG_IPv6_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_mag_ipv6_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(opt_tree, hf_mip6_opt_mag_ipv6_address_length, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(opt_tree, hf_mip6_opt_mag_ipv6_address, tvb, offset, 16, ENC_NA); return tvb_captured_length(tvb); } /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ... ANI Sub-option(s) ... ~ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 3.1. Format of the Access Network Identifier Sub-Option The Access Network Identifier sub-options are used for carrying information elements related to the access network to which the mobile node is attached. These sub-options can be included in the Access Network Identifier option defined in Section 3. The format of this sub-option is as follows: 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ANI Type | ANI Length | Option Data ~ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ANI Type: 8-bit unsigned integer indicating the type of the Access Network Identifier sub-option. This specification defines the following types: 0 - Reserved 1 - Network-Identifier sub-option 2 - Geo-Location sub-option 3 - Operator-Identifier sub-option */ static const value_string mmip6_opt_acc_net_id_sub_opt_vals[] = { { 0, "Reserved"}, { 1, "Network-Identifier"}, { 2, "Geo-Location"}, { 3, "Operator-Identifier"}, { 0, NULL} }; static const true_false_string mip6_opt_acc_net_id_sub_opt_e_bit_value = { "UTF-8", "Encoding is undefined" }; static const value_string mip6_opt_acc_net_id_sub_opt_op_id_type[] = { { 0, "Reserved"}, { 1, "Private Enterprise Number (PEN)"}, { 2, "Realm of the operator"}, { 0, NULL} }; static float degrees_convert_fixed_to_float(unsigned value) { if (!value) return 0; /* * RFC 6757 section 3.1.2: * * "A 24-bit {latitude,longitude} degree value encoded as a two's * complement, fixed point number with 9 whole bits." * * "9 whole bits" presumably includes the sign bit; 1 sign bit * plus 8 more bits supports values between -256 and 255, which * is sufficient to cover -180 to 180. 9 bits plus a sign bit * would waste a bit. * * So we have 1 sign bit plus 8 bits of integral value, followed * by a binary point, followed by 15 bits of fractional value. * That means that to get the value, we treat the fixed-point * number as an integer and divide it by 2^15 = 32768. */ /* Sign-extend to 32 bits */ if (value & 0x800000) { value |= 0xFF000000; } /* Cast to a signed value, and divide by 32768; do a floating-point divide */ return ((float)(int)value) / 32768.0f; } static void degrees_base_custom(char *str, unsigned degrees) { snprintf(str, ITEM_LABEL_LENGTH, "%f", degrees_convert_fixed_to_float(degrees) ); } static int dissect_pmip6_opt_acc_net_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item *ti; proto_tree *subopt_tree; int16_t sub_opt_len; uint8_t sub_opt, e_bit, net_name_len, ap_name_len; const uint8_t *ap_name; int option_len = tvb_reported_length(tvb)-2; int offset = 2; int offset_end = tvb_reported_length(tvb); opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_acc_net_id, ett_mip6_opt_acc_net_id, &ti, option_len, MIP6_ACC_NET_ID_MIN_LEN); while(offset < offset_end) { ti = proto_tree_add_item(opt_tree, hf_mip6_opt_acc_net_id_sub, tvb, offset, 2, ENC_NA); subopt_tree = proto_item_add_subtree(ti, ett_mip6_sub_opt_acc_net_id); proto_tree_add_item(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt, tvb, offset, 1, ENC_BIG_ENDIAN); sub_opt = tvb_get_uint8(tvb,offset); offset++; proto_tree_add_item(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_len, tvb, offset, 1, ENC_BIG_ENDIAN); sub_opt_len = tvb_get_uint8(tvb,offset); offset++; proto_item_append_text(ti, ": %s (t=%d,l=%d)", val_to_str(sub_opt, mmip6_opt_acc_net_id_sub_opt_vals, "Unknown ANI Type (%02d)"), sub_opt, sub_opt_len); proto_item_set_len(ti, sub_opt_len+2); switch(sub_opt){ case 1: /* Network-Identifier */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ANI Type=1 | ANI Length |E| Reserved | Net-Name Len | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Network Name (e.g., SSID or PLMNID) ~ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | AP-Name Len | Access-Point Name ~ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ e_bit = tvb_get_uint8(tvb,offset); proto_tree_add_item(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_e_bit, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; net_name_len = tvb_get_uint8(tvb,offset); proto_tree_add_item(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_net_name_len, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; if(e_bit == 0x80){ const uint8_t* name; proto_tree_add_item_ret_string(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_net_name, tvb, offset, net_name_len, ENC_BIG_ENDIAN|ENC_UTF_8, pinfo->pool, &name); proto_item_append_text(ti, " Network Name: %s", name); }else{ proto_tree_add_item(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_net_name_data, tvb, offset, net_name_len, ENC_BIG_ENDIAN|ENC_UTF_8); }; offset = offset+net_name_len; ap_name_len = tvb_get_uint8(tvb,offset); proto_tree_add_item(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_ap_name_len, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item_ret_string(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_ap_name, tvb, offset, ap_name_len, ENC_BIG_ENDIAN|ENC_UTF_8, pinfo->pool, &ap_name); proto_item_append_text(ti, " AP Name: %s", ap_name); offset = offset+ap_name_len; break; case 2: /* Geo-Location */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ANI Type=2 | ANI Length=6 | Latitude Degrees +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Longitude Degrees | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ proto_tree_add_item(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_geo_latitude_degrees, tvb, offset, 3, ENC_BIG_ENDIAN); offset +=3; proto_tree_add_item(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_geo_longitude_degrees, tvb, offset, 3, ENC_BIG_ENDIAN); offset +=3; break; case 3: /* Operator-Identifier */ /* 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ANI Type=3 | ANI Length | Op-ID Type | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Operator-Identifier ~ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ proto_tree_add_item(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_op_id_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(subopt_tree, hf_mip6_opt_acc_net_id_sub_opt_op_id, tvb, offset, sub_opt_len - 1, ENC_NA); offset = offset + sub_opt_len - 1; break; default: proto_tree_add_expert(subopt_tree, pinfo, &ei_mip6_ani_type_not_dissected, tvb, offset, sub_opt_len); offset = offset + sub_opt_len; break; } } return tvb_captured_length(tvb); } /* 55 Delegated Mobile Network Prefix Option [RFC7148] 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Type | Length |V| Reserved | Prefix Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | + + | | . . + IPv4 or IPv6 Delegated Mobile Network Prefix + | (DMNP) | + + | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int dissect_mip6_opt_dmnp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree* opt_tree; proto_item* ti; int option_len = tvb_reported_length(tvb)-2; int offset = 2; uint8_t prefix_len; opt_tree = mip6_var_option_header(tree, pinfo, tvb, proto_mip6_option_dmnp, ett_mip6_opt_dmnp, &ti, option_len, MIP6_DMNP_MIN_LEN); proto_tree_add_item(opt_tree, hf_mip6_opt_dmnp_v_flag, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(opt_tree, hf_mip6_opt_dmnp_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(opt_tree, hf_mip6_opt_dmnp_prefix_len, tvb, offset, 1, ENC_BIG_ENDIAN); prefix_len = tvb_get_uint8(tvb, offset); offset++; switch (option_len) { case 6: /* IPv4 Prefix */ proto_tree_add_item(opt_tree, hf_mip6_opt_dmnp_dmnp_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); proto_item_append_text(ti, ": %s/%u", tvb_ip_to_str(pinfo->pool, tvb, offset), prefix_len); break; case 18: /* IPv6 Prefix */ proto_tree_add_item(opt_tree, hf_mip6_opt_dmnp_dmnp_ipv6, tvb, offset, 16, ENC_NA); proto_item_append_text(ti, ": %s/%u", tvb_ip6_to_str(pinfo->pool, tvb, offset), prefix_len); break; default: proto_tree_add_expert(opt_tree, pinfo, &ei_mip6_opt_len_invalid, tvb, offset, -1); break; } return tvb_captured_length(tvb); } /* 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, unsigned length, int eol, packet_info *pinfo, proto_tree *opt_tree) { unsigned char opt; const char *name; unsigned len; dissector_handle_t option_dissector; tvbuff_t *next_tvb; proto_item *ti; proto_tree *unknown_tree; while ((int)length > 0) { opt = tvb_get_uint8(tvb, offset); --length; /* account for type byte */ if (opt == MIP6_PAD1) { /* We assume that the only option with no length is Pad1 option, so that we can treat unknown options as having a minimum length of 2, and at least be able to move on to the next option by using the length in the option. */ proto_tree_add_item(opt_tree, proto_mip6_option_pad1, tvb, offset, 1, ENC_NA); offset += 1; } else { option_dissector = dissector_get_uint_handle(mip6_option_table, opt); if (option_dissector == NULL) { name = wmem_strdup_printf(pinfo->pool, "Unknown (0x%02x)", opt); } else { name = dissector_handle_get_protocol_short_name(option_dissector); } /* 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_expert_format(opt_tree, pinfo, &ei_mip6_opt_len_invalid, tvb, offset, 1, "%s (length byte past end of options)", name); return; } len = tvb_get_uint8(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_expert_format(opt_tree, pinfo, &ei_mip6_opt_len_invalid, tvb, offset, length, "%s (option length = %u byte%s says option goes past end of options)", name, len, plurality(len, "", "s")); return; } if (option_dissector == NULL) { unknown_tree = proto_tree_add_subtree(opt_tree, tvb, offset, len+2, ett_mip6_opt_unknown, &ti, name); proto_tree_add_item(unknown_tree, hf_mip6_mobility_opt, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(unknown_tree, hf_mip6_opt_len, tvb, 1, 1, ENC_NA); expert_add_info(pinfo, ti, &ei_mip6_ie_not_dissected); } else { next_tvb = tvb_new_subset_length(tvb, offset, len+2); call_dissector(option_dissector, next_tvb, pinfo, opt_tree); } length -= len; offset += (len + 2); } 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; opts_tree = proto_tree_add_subtree(mip6_tree, tvb, offset, len, ett_mip6, NULL, "Mobility Options"); dissect_mipv6_options(tvb, offset, len, -1, pinfo, opts_tree); return len; } /* Function that dissects the whole MIPv6 packet */ static int dissect_mip6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { proto_tree *mip6_tree, *root_tree; uint8_t type, pproto; unsigned len, offset = 0, start_offset = offset; proto_item *ti, *header_item; tvbuff_t *next_tvb; /* 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_uint8(tvb, MIP6_HLEN_OFF) + 1) * 8; pproto = tvb_get_uint8(tvb, MIP6_PROTO_OFF); root_tree = p_ipv6_pinfo_select_root(pinfo, tree); p_ipv6_pinfo_add_len(pinfo, len); ti = proto_tree_add_item(root_tree, proto_mip6, tvb, 0, len, ENC_NA); mip6_tree = proto_item_add_subtree(ti, ett_mip6); /* Process header fields */ proto_tree_add_item(mip6_tree, hf_mip6_proto, tvb, MIP6_PROTO_OFF, 1, ENC_BIG_ENDIAN); header_item = proto_tree_add_uint_format_value(mip6_tree, hf_mip6_hlen, tvb, MIP6_HLEN_OFF, 1, tvb_get_uint8(tvb, MIP6_HLEN_OFF), "%u (%u bytes)", tvb_get_uint8(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_checksum(mip6_tree, tvb, MIP6_CSUM_OFF, hf_mip6_csum, -1, NULL, pinfo, 0, ENC_BIG_ENDIAN, PROTO_CHECKSUM_NO_FLAGS); /* Process mobility header */ type = tvb_get_uint8(tvb, MIP6_TYPE_OFF); col_add_str(pinfo->cinfo, COL_INFO, val_to_str_ext(type, &mip6_mh_types_ext, "Unknown Mobility Header (%u)")); switch (type) { case MIP6_BRR: /* 0 Binding Refresh Request */ offset = dissect_mip6_brr(tvb, mip6_tree, pinfo); break; case MIP6_HOTI: /* 1 Home Test Init */ offset = dissect_mip6_hoti(tvb, mip6_tree, pinfo); break; case MIP6_MHCOTI: /* 2 Care-of Test Init */ offset = dissect_mip6_coti(tvb, mip6_tree, pinfo); break; case MIP6_HOT: /* 3 Home Test */ offset = dissect_mip6_hot(tvb, mip6_tree, pinfo); break; case MIP6_MHCOT: /* 4 Care-of Test */ offset = dissect_mip6_cot(tvb, mip6_tree, pinfo); break; case MIP6_BU: /* 5 Binding Update */ pinfo->link_dir = P2P_DIR_UL; offset = dissect_mip6_bu(tvb, mip6_tree, pinfo); if (proto_nemo == 1) { col_set_str(pinfo->cinfo, COL_PROTOCOL, "NEMO"); } break; case MIP6_BA: /* 6 Binding Acknowledgement */ pinfo->link_dir = P2P_DIR_DL; offset = dissect_mip6_ba(tvb, mip6_tree, pinfo); if (proto_nemo == 1) { col_set_str(pinfo->cinfo, COL_PROTOCOL, "NEMO"); } break; case MIP6_BE: /* 7 Binding Error */ offset = dissect_mip6_be(tvb, mip6_tree, pinfo); break; case MIP6_FBU: /* 8 Fast Binding Update */ offset = dissect_fmip6_fbu(tvb, mip6_tree, pinfo); break; case MIP6_FBACK: /* 9 Fast Binding Acknowledgment */ offset = dissect_fmip6_fback(tvb, mip6_tree, pinfo); break; case MIP6_FNA: /* 10 Fast Neighbor Advertisement */ offset = dissect_fmip6_fna(tvb, mip6_tree, pinfo); break; case MIP6_EMH: /* 11 Experimental Mobility Header RFC5096 */ if (len > 8) { proto_tree_add_item(mip6_tree, hf_mip6_opt_em_data, tvb, offset+MIP6_DATA_OFF, len-MIP6_DATA_OFF, ENC_NA); } offset = len; break; case MIP6_HAS: /* 12 Home Agent Switch */ offset = dissect_mip6_has(tvb, mip6_tree, pinfo); break; case MIP6_HB: /* 13 Heartbeat */ offset = dissect_mip6_hb(tvb, mip6_tree, pinfo); break; case MIP6_HI: /* 14 Handover Initiate RFC5568 */ offset = dissect_mip6_hi(tvb, mip6_tree, pinfo); break; case MIP6_HAck: /* 14 Handover Acknowledge*/ offset = dissect_mip6_hack(tvb, mip6_tree, pinfo); break; case MIP6_BR: /* 16 Binding Revocation Indication / Acknowledge */ offset = dissect_pmip6_bri(tvb, mip6_tree, pinfo); break; case MIP6_LRI: /* 17 Localized Routing Initiation */ offset = dissect_pmip6_lri(tvb, mip6_tree, pinfo, offset); break; case MIP6_LRA: /* 18 Localized Routing Acknowledgment */ offset = dissect_pmip6_lra(tvb, mip6_tree, pinfo, offset); break; default: offset = dissect_mip6_unknown(tvb, mip6_tree, pinfo); break; } /* Process mobility options */ if (offset < len) { if (len < (offset - start_offset)) { expert_add_info(pinfo, header_item, &ei_mip6_bogus_header_length); return offset; } len -= (offset - start_offset); dissect_mip6_options(tvb, mip6_tree, offset, len, pinfo); } if ((type == MIP6_FNA) && (pproto == IP_PROTO_IPV6)) { col_set_str(pinfo->cinfo, COL_INFO, "Fast Neighbor Advertisement[Fast Binding Update]"); next_tvb = tvb_new_subset_remaining(tvb, len + 8); ipv6_dissect_next(pproto, next_tvb, pinfo, tree, (ws_ip6 *)data); } if ((type == MIP6_FBACK) && (pproto == IP_PROTO_AH)) { col_set_str(pinfo->cinfo, COL_INFO, "Fast Binding Acknowledgment"); next_tvb = tvb_new_subset_remaining(tvb, len + offset); ipv6_dissect_next(pproto, next_tvb, pinfo, tree, (ws_ip6 *)data); } return tvb_captured_length(tvb); } /* 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 | BASE_EXT_STRING, &ipproto_val_ext, 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 | BASE_EXT_STRING, &mip6_mh_types_ext, 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 } }, #if 0 { &hf_mip6_cot_token, { "Care-of Keygen Token", "mip6.cot.token", FT_UINT64, BASE_HEX, NULL, 0, NULL, HFILL } }, #endif { &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_pmip6_bu_b_flag, { "Bulk-Binding-Update flag (B)", "mip6.bu.b_flag", FT_BOOLEAN, 16, TFS(&pmip6_bu_b_flag_value), 0x0040, 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 | BASE_EXT_STRING, &mip6_ba_status_value_ext, 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_pmip6_ba_b_flag, { "Bulk-Binding-Update flag (B)", "mip6.ba.b_flag", FT_BOOLEAN, 8, TFS(&pmip6_ba_b_flag_value), 0x08, 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", "mip6.fbu.seqnr", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_fmip6_fbu_a_flag, { "Acknowledge (A) flag", "mip6.fbu.a_flag", FT_BOOLEAN, 8, TFS(&fmip6_fbu_a_flag_value), 0x80, NULL, HFILL } }, { &hf_fmip6_fbu_h_flag, { "Home Registration (H) flag", "mip6.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", "mip6.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", "mip6.fbu.k_flag", FT_BOOLEAN, 8, TFS(&fmip6_fbu_k_flag_value), 0x10, NULL, HFILL } }, { &hf_fmip6_fbu_lifetime, { "Lifetime", "mip6.fbu.lifetime", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_fmip6_fback_status, { "Status", "mip6.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", "mip6.fback.k_flag", FT_BOOLEAN, 8, TFS(&fmip6_fbu_k_flag_value), 0x80, NULL, HFILL } }, { &hf_fmip6_fback_seqnr, { "Sequence number", "mip6.fback.seqnr", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_fmip6_fback_lifetime, { "Lifetime", "mip6.fback.lifetime", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_has_num_addrs, { "Number of Addresses", "mip6.has.num_addrs", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_has_reserved, { "Reserved", "mip6.has.reserved", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } }, { &hf_mip6_has_address, { "Address", "mip6.has.address", FT_IPv6, BASE_NONE, NULL, 0, "Home Agent Address", 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_hi_seqnr, { "Sequence number", "mip6.hi.seqnr", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_hi_s_flag, { "Assigned address configuration flag (S) flag", "mip6.hi.s_flag", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL } }, { &hf_mip6_hi_u_flag, { "Buffer flag (U) flag", "mip6.hi.u_flag", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL } }, { &hf_mip6_hi_code, { "Code", "mip6.hi.code", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_hack_seqnr, { "Sequence number", "mip6.hack.seqnr", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_hack_code, { "Code", "mip6.hack.code", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_3gpp_reserved, { "Reserved", "mip6.3gpp.reserved", FT_UINT8, BASE_DEC, NULL, 0xfe, NULL, HFILL } }, { &hf_mip6_opt_3gpp_flag_m, { "M flag", "mip6.3gpp.flag.m", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_mip6_opt_3gpp_spec_pmipv6_err_code, { "3GPP Specific PMIPv6 Error Code", "mip6.3gpp.spec_pmipv6_err_code", FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_cause_vals_ext, 0x0, "GTPv2 Cause values", HFILL } }, { &hf_mip6_opt_3gpp_pdn_gw_ipv4_addr, { "PDN GW IPv4 address", "mip6.3gpp.pdn_gw_ipv4_addr", FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_3gpp_pdn_gw_ipv6_addr, { "PDN GW IPv6 address", "mip6.3gpp.pdn_gw_ipv6_addr", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_3gpp_dhcpv4_addr_all_proc_ind, { "DHCPv4 Address Allocation Procedure Indication", "mip6.3gpp.dhcpv4_addr_all_proc_ind", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_3gpp_pdn_type, { "PDN type", "mip6.3gpp.pdn_type", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_3gpp_pdn_ind_cause, { "Cause", "mip6.3gpp.pdn_ind_cause", FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_cause_vals_ext, 0x0, "GTPv2 Cause values", HFILL } }, { &hf_mip6_opt_3gpp_chg_id, { "Charging ID", "mip6.3gpp.chg_id", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_3gpp_charging_characteristic, {"Charging Characteristic", "mip6.3gpp.charging_characteristic", FT_UINT16, BASE_HEX, NULL, 0xffff, NULL, HFILL} }, { &hf_mip6_opt_3gpp_mei, {"Mobile Equipment Identity (MEI)", "mip6.3gpp.mei", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL} }, { &hf_mip6_opt_3gpp_msisdn, {"MSISDN", "mip6.3gpp.msisdn", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL} }, { &hf_mip6_opt_3gpp_apn_rest, { "APN Restriction", "mip6.3gpp.apn_rest", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_3gpp_max_apn_rest, { "Maximum APN Restriction", "mip6.3gpp.max_apn_rest", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_3gpp_imsi, {"Unauthenticated IMSI", "mip6.3gpp.imsi", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL} }, { &hf_mip6_opt_3gpp_pdn_conn_id, { "PDN Connection ID", "mip6.3gpp.pdn_conn_id", FT_UINT8, BASE_DEC, NULL, 0x0f, NULL, HFILL } }, { &hf_mip6_opt_3gpp_lapi, {"LAPI (Low Access Priority Indication)", "mip6.3gpp.lapi", FT_BOOLEAN, 8, NULL, 0x01, 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, { "Link-layer address", "mip6.lla", FT_BYTES, SEP_COLON, 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_mnid_identifier, { "Identifier", "mip6.mnid.identifier", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_auth_sub_type, { "Subtype", "mip6.auth.subtype", FT_UINT8, BASE_DEC, VALS(mip6_auth_subtype_value), 0, NULL, HFILL } }, { &hf_mip6_opt_auth_mobility_spi, { "Mobility SPI", "mip6.auth.mobility_spi", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_auth_auth_data, { "Authentication Data", "mip6.auth.auth_data", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_mseg_id_timestamp, { "Timestamp", "mip6.mseg_id.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_cgar_cga_par, { "CGA Parameters", "mip6.cgar.cga_par", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_sign_sign, { "CGA Parameters", "mip6.sign.sign", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_phkt_phkt, { "Permanent Home Keygen Token", "mip6.phkt.phkt", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_mocot_co_keygen_tok, { "Care-of Keygen Token", "mip6.mocot.co_keygen_tok", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_dnsu_status, { "Status", "mip6.dnsu.status", FT_UINT8, BASE_DEC, VALS(mip6_dnsu_status_values), 0, NULL, HFILL } }, { &hf_mip6_opt_dnsu_flag_r, { "R flag", "mip6.dnsu.flag.r", FT_BOOLEAN, 8, TFS(&mip6_dnsu_r_flag_value), 0x80, NULL, HFILL } }, { &hf_mip6_opt_dnsu_mn_id, { "MN identity (FQDN)", "mip6.dnsu.mn_id", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_em_data, { "Data", "mip6.em.data", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_vsm_vid, { "Vendor Id", "mip6.vsm.vendorId", FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 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 | BASE_EXT_STRING, &mip6_vsm_subtype_3gpp_value_ext, 0, NULL, HFILL } }, { &hf_mip6_opt_ss_identifier, { "Identifier", "mip6.ss.identifier", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_badff_spi, { "SPI", "mip6.badff.spi", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_badff_auth, { "Authenticator", "mip6.badff.auth", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pmip6_hi_hi, { "Handoff Indicator", "mip6.hi", FT_UINT8, BASE_DEC, VALS(pmip6_hi_opttype_value), 0, NULL, HFILL } }, { &hf_pmip6_hi_reserved, { "Reserved", "mip6.hi.reserved", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_pmip6_att_reserved, { "Reserved", "mip6.att.reserved", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_pmip6_att_att, { "Access Technology Type", "mip6.att", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &pmip6_att_att_value_ext, 0, NULL, HFILL } }, { &hf_mip6_opt_mnlli_reserved, { "Reserved", "mip6.mnlli.reserved", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_mnlli_lli, { "Link-layer Identifier", "mip6.mnlli.lli", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pmip6_timestamp, { "Timestamp", "mip6.timestamp_tmp", 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, NULL, 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_ipv4ha_reserved, { "Reserved", "mip6.ipv4ha.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_ipv4aa_status, { "Status", "mip6.ipv4aa.sts", FT_UINT8, BASE_DEC, VALS(pmip6_ipv4aa_status_values), 0x0, NULL, HFILL} }, { &hf_mip6_opt_natd_f_flag, { "(F) flag", "mip6.natd.f_flag", FT_BOOLEAN, 16, TFS(&mip6_natd_f_flag_value), 0x8000, NULL, HFILL } }, { &hf_mip6_opt_natd_reserved, { "Reserved", "mip6.natd.reserved", FT_UINT16, BASE_DEC, NULL, 0x7fff, NULL, HFILL } }, { &hf_mip6_opt_natd_refresh_t, { "Refresh time", "mip6.natd.refresh_t", FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_seconds), 0x0, NULL, HFILL } }, { &hf_mip6_opt_ipv4coa_reserved, { "Reserved", "mip6.ipv4coa.reserved", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_ipv4coa_addr, { "IPv4 Care-of address", "mip6.ipv4coa.addr", FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_pmip6_gre_key, { "GRE Key", "mip6.gre_key", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_mip6_opt_mhipv6ap_opt_code, { "Option-Code", "mip6.mhipv6ap.opt_code", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_mhipv6ap_prefix_l, { "Prefix Length", "mip6.mhipv6ap.len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_mhipv6ap_ipv6_address, { "IPv6 Address", "mip6.mhipv6ap.ipv6_address", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_mhipv6ap_ipv6_address_prefix, { "IPv6 Address/Prefix", "mip6.mhipv6ap.ipv6_address_prefix", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_bi_bid, { "Binding ID (BID)", "mip6.bi.bid", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_bi_status, { "Status", "mip6.bi.status", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_bi_h_flag, { "Simultaneous Home and Foreign Binding (H)", "mip6.bi.h_flag", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL } }, { &hf_mip6_bi_coa_ipv4, { "IPv4 care-of address (CoA)", "mip6.bi.coa_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_bi_coa_ipv6, { "IPv6 care-of address (CoA)", "mip6.bi.coa_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_binding_refresh_request, { "Binding Refresh Request", "mip6.binding_refresh_request", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_unknown_type_data, { "Message Data", "mip6.unknown_type_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_fast_neighbor_advertisement, { "Fast Neighbor Advertisement", "mip6.fast_neighbor_advertisement", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_vsm_data, { "Data", "mip6.vsm.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_vsm_req_data, { "Req-Data", "mip6.vsm.req_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_padn, { "PadN", "mip6.padn", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_ipv4dra_reserved, { "Reserved", "mip6.ipv4dra.reserved", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_ipv4dra_dra, { "IPv4 Default-Router Address", "mip6.ipv4dra.dra", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_ipv4dsm_reserved, { "Reserved", "mip6.ipv4dsm.reserved", FT_UINT16, BASE_DEC, NULL, 0xfffe, NULL, HFILL } }, { &hf_mip6_ipv4dsm_s_flag, { "DHCP Support Mode (S)", "mip6.ipv4dsm.s_flag", FT_BOOLEAN, 16, TFS(&mip6_ipv4dsm_s_flag_value), 0x0001, NULL, HFILL } }, { &hf_mip6_cr_reserved, { "Reserved", "mip6.cr.reserved", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_cr_req_type, { "Req-type", "mip6.cr.req_type", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &mip6_mobility_options_ext, 0, NULL, HFILL } }, { &hf_mip6_cr_req_length, { "Req-length", "mip6.cr.req_length", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_lmaa_opt_code, { "Option-Code", "mip6.lmaa.opt_code", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_lmaa_reserved, { "Reserved", "mip6.lmaa.reserved", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_lmaa_ipv4, { "Local Mobility Anchor Address", "mip6.lmaa.ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_lmaa_ipv6, { "Local Mobility Anchor Address", "mip6.lmaa.ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_mobility_opt, { "Mobility Option", "mip6.mobility_opt", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &mip6_mobility_options_ext, 0, NULL, HFILL } }, { &hf_mip6_opt_len, { "Length", "mip6.mobility_opt.len", FT_UINT8, BASE_DEC, NULL, 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, 16, TFS(&tfs_set_notset), 0x8000, NULL, HFILL } }, { &hf_pmip6_bri_iv_flag, { "IPv4 HoA Binding Only (V) Flag", "mip6.bri_iv", FT_BOOLEAN, 16, TFS(&tfs_set_notset), 0x4000, NULL, HFILL } }, { &hf_pmip6_bri_ig_flag, { "Global (G) Flag", "mip6.bri_ig", FT_BOOLEAN, 16, TFS(&tfs_set_notset), 0x2000, NULL, HFILL } }, { &hf_pmip6_bri_ap_flag, { "Proxy Binding (P) Flag", "mip6.bri_ap", FT_BOOLEAN, 16, TFS(&tfs_set_notset), 0x8000, NULL, HFILL } }, { &hf_pmip6_bri_av_flag, { "IPv4 HoA Binding Only (V) Flag", "mip6.bri_av", FT_BOOLEAN, 16, TFS(&tfs_set_notset), 0x4000, NULL, HFILL } }, { &hf_pmip6_bri_ag_flag, { "Global (G) Flag", "mip6.bri_ag", FT_BOOLEAN, 16, TFS(&tfs_set_notset), 0x2000, NULL, HFILL } }, { &hf_pmip6_bri_res, { "Reserved", "mip6.bri_res", FT_UINT16, BASE_HEX, NULL, 0x1FFF, "Must be zero", HFILL } }, { &hf_pmip6_lri_sequence, { "Sequence", "mip6.lri.sequence", FT_UINT16, BASE_DEC, NULL, 0x0, "A monotonically increasing integer", HFILL } }, { &hf_pmip6_lri_reserved, { "Reserved", "mip6.lri.reserved", FT_UINT16, BASE_HEX, NULL, 0x0, "This field is unused and MUST be set to zero", HFILL } }, { &hf_pmip6_lri_lifetime, { "Lifetime", "mip6.lri.lifetime", FT_UINT16, BASE_HEX, NULL, 0x0, "The requested time, in seconds", HFILL } }, { &hf_pmip6_lra_sequence, { "Sequence", "mip6.lra.sequence", FT_UINT16, BASE_DEC, NULL, 0x0, "A monotonically increasing integer", HFILL } }, { &hf_pmip6_lra_u, { "unsolicited", "mip6.lri.unsolicited", FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x80, "When set to 1, the LRA message is sent unsolicited", HFILL } }, { &hf_pmip6_lra_reserved, { "Reserved", "mip6.lra.reserved", FT_UINT8, BASE_HEX, NULL, 0x7F, "This field is unused and MUST be set to zero", HFILL } }, { &hf_pmip6_lra_status, { "Status", "mip6.lra.status", FT_UINT8, BASE_DEC, VALS(pmip6_lra_status_vals), 0x0, "Indicating the result of processing the Localized Routing Acknowledgment message.", HFILL } }, { &hf_pmip6_lra_lifetime, { "Lifetime", "mip6.lra.lifetime", FT_UINT16, BASE_HEX, NULL, 0x0, "The requested time, in seconds", HFILL } }, { &hf_mip6_opt_recap_reserved, { "Reserved", "mip6.recap.reserved", FT_UINT16, BASE_HEX, NULL, 0x0, "Must be zero", HFILL } }, { &hf_mip6_opt_redir_k, { "K", "mip6.redir.k", FT_BOOLEAN, 16, NULL, MIP6_REDIR_FLAG_K, "bit is set (1) if the Optional IPv6 r2LMA Address is included in the mobility option", HFILL } }, { &hf_mip6_opt_redir_n, { "N", "mip6.redir.n", FT_BOOLEAN, 16, NULL, MIP6_REDIR_FLAG_N, "bit is set (1) if the Optional IPv4 r2LMA Address is included in the mobility option", HFILL } }, { &hf_mip6_opt_redir_reserved, { "Reserved", "mip6.redir.reserved", FT_UINT16, BASE_HEX, NULL, MIP6_REDIR_FLAG_RSV, "Must be zero", HFILL } }, { &hf_mip6_opt_redir_addr_r2LMA_ipv6, { "IPv6 r2LMA Address", "mip6.redir.addr_r2lma_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_redir_addr_r2LMA_ipv4, { "IPv4 r2LMA Address", "mip6.redir.addr_r2lma_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_load_inf_priority, { "Priority", "mip6.load_inf.priority", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_load_inf_sessions_in_use, { "Sessions in Use", "mip6.load_inf.sessions_in_use", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_load_inf_maximum_sessions, { "Maximum Sessions", "mip6.load_inf.maximum_sessions", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_load_inf_used_capacity, { "Used Capacity", "mip6.load_inf.used_capacity", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_load_inf_maximum_capacity, { "Maximum Capacity", "mip6.load_inf.maximum_capacity", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_alt_ip4, { "Alternate IPv4 Care-of Address", "mip6.alt_ip4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_mng_sub_type, { "Sub Type", "mip6.mng.sub_type", FT_UINT8, BASE_DEC, VALS(mip6_mng_id_type_vals), 0x0, NULL, HFILL } }, { &hf_mip6_opt_mng_reserved, { "Reserved", "mip6.mng.reserved", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_mng_mng_id, { "Mobile Node Group Identifier", "mip6.mng.mng_id", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_mag_ipv6_reserved, { "Reserved", "mip6.mag_ipv6.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_mag_ipv6_address_length, { "Address Length", "mip6.mag_ipv6.address_length", FT_UINT8, BASE_DEC, NULL, 0x0, "This field MUST be set to 128", HFILL } }, { &hf_mip6_opt_mag_ipv6_address, { "Address", "mip6.mag_ipv6.address", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub, { "ANI", "mip6.acc_net_id", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt, { "ANI Type", "mip6.acc_net_id.ani", FT_UINT8, BASE_DEC, VALS(mmip6_opt_acc_net_id_sub_opt_vals), 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_len, { "Length", "mip6.acc_net_id.sub_opt_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_e_bit, { "E(Encoding)", "mip6.acc_net_id.e_bit", FT_BOOLEAN, 8, TFS(&mip6_opt_acc_net_id_sub_opt_e_bit_value), 0x80, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_net_name_len, { "Net-Name Length", "mip6.acc_net_id.net_name_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_net_name, { "Network Name", "mip6.acc_net_id.net_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_net_name_data, { "Network Name", "mip6.acc_net_id.net_name_data", FT_BYTES, BASE_NONE, NULL, 0x0, "Network Name with undefined format", HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_ap_name_len, { "AP-Name Length", "mip6.acc_net_id.ap_name_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_ap_name, { "Access-Point Name", "mip6.acc_net_id.ap_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_geo_latitude_degrees, { "Latitude Degrees", "mip6.acc_net_id.geo.latitude_degrees", FT_INT24, BASE_CUSTOM, CF_FUNC(degrees_base_custom), 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_geo_longitude_degrees, { "Longitude Degrees", "mip6.acc_net_id.geo.longitude_degrees", FT_INT24, BASE_CUSTOM, CF_FUNC(degrees_base_custom), 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_op_id_type, { "Op-ID Type", "mip6.acc_net_id.op_id.type", FT_UINT8, BASE_DEC, VALS(mip6_opt_acc_net_id_sub_opt_op_id_type), 0x0, NULL, HFILL } }, { &hf_mip6_opt_acc_net_id_sub_opt_op_id, { "Op-ID", "mip6.acc_net_id.op_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_mip6_opt_dmnp_v_flag, { "IPv4 Prefix (V) flag", "mip6.dmnp.v_flag", FT_BOOLEAN, 8, TFS(&mip6_dmnp_v_flag_value), 0x80, NULL, HFILL } }, { &hf_mip6_opt_dmnp_reserved, { "Reserved", "mip6.dmnp.reserved", FT_UINT8, BASE_DEC, NULL, 0x7F, NULL, HFILL } }, { &hf_mip6_opt_dmnp_prefix_len, { "Prefix Length", "mip6.dmnp.prefix_len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_dmnp_dmnp_ipv4, { "IPv4 Delegated Mobile Network Prefix", "mip6.dmnp.dmnp_ipv4", FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_mip6_opt_dmnp_dmnp_ipv6, { "IPv6 Delegated Mobile Network Prefix", "mip6.dmnp.dmnp_ipv6", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL } }, }; /* Setup protocol subtree array */ static int *ett[] = { &ett_mip6, &ett_mip6_opts, &ett_mip6_opt_pad1, &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_auth, &ett_mip6_opt_mesgid, &ett_mip6_opt_cgapr, &ett_mip6_opt_cgar, &ett_mip6_opt_sign, &ett_mip6_opt_phkt, &ett_mip6_opt_mocoti, &ett_mip6_opt_mocot, &ett_mip6_opt_dnsu, &ett_mip6_opt_em, &ett_mip6_opt_vsm, &ett_mip6_opt_ssm, &ett_mip6_opt_badff, &ett_mip6_opt_unknown, &ett_pmip6_opt_hnp, &ett_pmip6_opt_hi, &ett_pmip6_opt_att, &ett_pmip6_opt_mnlli, &ett_pmip6_opt_lla, &ett_pmip6_opt_ts, &ett_pmip6_opt_rc, &ett_mip6_opt_ipv4ha, &ett_mip6_opt_ipv4aa, &ett_mip6_opt_natd, &ett_mip6_opt_ipv4coa, &ett_pmip6_opt_grek, &ett_pmip6_opt_mhipv6ap, &ett_pmip6_opt_bi, &ett_mip6_opt_ipv4hareq, &ett_mip6_opt_ipv4harep, &ett_mip6_opt_ipv4dra, &ett_mip6_opt_ipv4dsm, &ett_mip6_opt_cr, &ett_mip6_opt_lmaa, &ett_mip6_opt_recap, &ett_mip6_opt_redir, &ett_mip6_opt_load_inf, &ett_mip6_opt_alt_ip4, &ett_mip6_opt_mng, &ett_mip6_opt_mag_ipv6, &ett_mip6_opt_acc_net_id, &ett_mip6_sub_opt_acc_net_id, &ett_mip6_opt_dmnp, }; static ei_register_info ei[] = { { &ei_mip6_ie_not_dissected, { "mip6.ie_not_dissected", PI_UNDECODED, PI_NOTE, "IE data not dissected yet", EXPFILL }}, { &ei_mip6_ani_type_not_dissected, { "mip6.acc_net_id.ani.unknown", PI_UNDECODED, PI_NOTE, "ANI Type not dissect yet", EXPFILL }}, { &ei_mip6_opt_len_invalid, { "mip6.opt.len.invalid", PI_PROTOCOL, PI_WARN, "Invalid length for option", EXPFILL }}, { &ei_mip6_vsm_data_not_dissected, { "mip6.vsm.data_not_dissected", PI_UNDECODED, PI_NOTE, "Data (Not dissected yet)", EXPFILL }}, { &ei_mip6_bogus_header_length, { "mip6.bogus_header_length", PI_PROTOCOL, PI_WARN, "Bogus header length", EXPFILL }}, }; expert_module_t* expert_mip6; /* Register the protocol name and description */ proto_mip6 = proto_register_protocol("Mobile IPv6", "MIPv6", "mipv6"); /* Register the dissector by name */ mip6_handle = register_dissector("mip6", dissect_mip6, proto_mip6); /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_mip6, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_mip6 = expert_register_protocol(proto_mip6); expert_register_field_array(expert_mip6, ei, array_length(ei)); mip6_vsm_dissector_table = register_dissector_table("mip6.vsm", "Mobile IPv6 vendor specific option", proto_mip6, FT_UINT32, BASE_DEC); mip6_option_table = register_dissector_table("mip6.option", "MIPv6 Options", proto_mip6, FT_UINT8, BASE_DEC); /* Register MIPv6 options as their own protocols so we can get the name of the option */ proto_mip6_option_pad1 = proto_register_protocol_in_name_only("MIPv6 Option - Pad1", "Pad1", "mip6.options.pad1", proto_mip6, FT_BYTES); proto_mip6_option_padn = proto_register_protocol_in_name_only("MIPv6 Option - PadN", "PadN", "mip6.options.padn", proto_mip6, FT_BYTES); proto_mip6_option_bra = proto_register_protocol_in_name_only("MIPv6 Option - Binding Refresh Advice", "Binding Refresh Advice", "mip6.options.bra", proto_mip6, FT_BYTES); proto_mip6_option_acoa = proto_register_protocol_in_name_only("MIPv6 Option - Alternate Care-of Address", "Alternate Care-of Address", "mip6.options.acoa", proto_mip6, FT_BYTES); proto_mip6_option_ni = proto_register_protocol_in_name_only("MIPv6 Option - Nonce Indices", "Nonce Indices", "mip6.options.ni", proto_mip6, FT_BYTES); proto_mip6_option_bad_auth = proto_register_protocol_in_name_only("MIPv6 Option - Authorization Data", "Authorization Data", "mip6.options.bad_auth", proto_mip6, FT_BYTES); proto_mip6_option_mnp = proto_register_protocol_in_name_only("MIPv6 Option - Mobile Network Prefix", "Mobile Network Prefix", "mip6.options.mnp", proto_mip6, FT_BYTES); proto_mip6_option_mhlla = proto_register_protocol_in_name_only("MIPv6 Option - Mobility Header Link-Layer Address", "Mobility Header Link-Layer Address", "mip6.options.mhlla", proto_mip6, FT_BYTES); proto_mip6_option_mnid = proto_register_protocol_in_name_only("MIPv6 Option - Mobile Node Identifier", "Mobile Node Identifier", "mip6.options.mnid", proto_mip6, FT_BYTES); proto_mip6_option_auth = proto_register_protocol_in_name_only("MIPv6 Option - AUTH-OPTION-TYPE", "AUTH-OPTION-TYPE", "mip6.options.auth", proto_mip6, FT_BYTES); proto_mip6_option_mseg_id = proto_register_protocol_in_name_only("MIPv6 Option - MESG-ID-OPTION-TYPE", "MESG-ID-OPTION-TYPE", "mip6.options.mseg_id", proto_mip6, FT_BYTES); proto_mip6_option_cgapr = proto_register_protocol_in_name_only("MIPv6 Option - CGA Parameters Request", "CGA Parameters Request", "mip6.options.cgapr", proto_mip6, FT_BYTES); proto_mip6_option_cgar = proto_register_protocol_in_name_only("MIPv6 Option - CGA Parameters", "CGA Parameters", "mip6.options.cgar", proto_mip6, FT_BYTES); proto_mip6_option_sign = proto_register_protocol_in_name_only("MIPv6 Option - Signature", "Signature", "mip6.options.sign", proto_mip6, FT_BYTES); proto_mip6_option_phkt = proto_register_protocol_in_name_only("MIPv6 Option - Permanent Home Keygen Token", "Permanent Home Keygen Token", "mip6.options.phkt", proto_mip6, FT_BYTES); proto_mip6_option_coti = proto_register_protocol_in_name_only("MIPv6 Option - Care-of Test Init", "Care-of Test Init", "mip6.options.coti", proto_mip6, FT_BYTES); proto_mip6_option_cot = proto_register_protocol_in_name_only("MIPv6 Option - Care-of Test", "Care-of Test", "mip6.options.cot", proto_mip6, FT_BYTES); proto_mip6_option_dnsu = proto_register_protocol_in_name_only("MIPv6 Option - DNS-UPDATE-TYPE", "DNS-UPDATE-TYPE", "mip6.options.dnsu", proto_mip6, FT_BYTES); proto_mip6_option_em = proto_register_protocol_in_name_only("MIPv6 Option - Experimental", "Experimental", "mip6.options.em", proto_mip6, FT_BYTES); proto_mip6_option_vsm = proto_register_protocol_in_name_only("MIPv6 Option - Vendor Specific", "Vendor Specific", "mip6.options.vsm", proto_mip6, FT_BYTES); proto_mip6_option_ssm = proto_register_protocol_in_name_only("MIPv6 Option - Service Selection", "Service Selection", "mip6.options.ssm", proto_mip6, FT_BYTES); proto_mip6_option_badff = proto_register_protocol_in_name_only("MIPv6 Option - Binding Authorization Data for FMIPv6 (BADF)", "Binding Authorization Data for FMIPv6 (BADF)", "mip6.options.badff", proto_mip6, FT_BYTES); proto_mip6_option_hnp = proto_register_protocol_in_name_only("MIPv6 Option - Home Network Prefix", "Home Network Prefix", "mip6.options.hnp", proto_mip6, FT_BYTES); proto_mip6_option_hi = proto_register_protocol_in_name_only("MIPv6 Option - Handoff Indicator", "Handoff Indicator", "mip6.options.hi", proto_mip6, FT_BYTES); proto_mip6_option_att = proto_register_protocol_in_name_only("MIPv6 Option - Access Technology Type Option", "Access Technology Type Option", "mip6.options.att", proto_mip6, FT_BYTES); proto_mip6_option_mnlli = proto_register_protocol_in_name_only("MIPv6 Option - Mobile Node Link-layer Identifier", "Mobile Node Link-layer Identifier", "mip6.options.mnlli", proto_mip6, FT_BYTES); proto_mip6_option_lla = proto_register_protocol_in_name_only("MIPv6 Option - Link-local Address", "Link-local Address", "mip6.options.lla", proto_mip6, FT_BYTES); proto_mip6_option_ts = proto_register_protocol_in_name_only("MIPv6 Option - Timestamp", "Timestamp", "mip6.options.ts", proto_mip6, FT_BYTES); proto_mip6_option_rc = proto_register_protocol_in_name_only("MIPv6 Option - Restart Counter", "Restart Counter", "mip6.options.rc", proto_mip6, FT_BYTES); proto_mip6_option_ipv4ha = proto_register_protocol_in_name_only("MIPv6 Option - IPv4 Home Address", "IPv4 Home Address", "mip6.options.ipv4ha", proto_mip6, FT_BYTES); proto_mip6_option_ipv4aa = proto_register_protocol_in_name_only("MIPv6 Option - IPv4 Address Acknowledgement", "IPv4 Address Acknowledgement", "mip6.options.ipv4aa", proto_mip6, FT_BYTES); proto_mip6_option_natd = proto_register_protocol_in_name_only("MIPv6 Option - NAT Detection", "NAT Detection", "mip6.options.natd", proto_mip6, FT_BYTES); proto_mip6_option_ipv4coa = proto_register_protocol_in_name_only("MIPv6 Option - IPv4 Care-of Address", "IPv4 Care-of Address", "mip6.options.ipv4coa", proto_mip6, FT_BYTES); proto_mip6_option_grek = proto_register_protocol_in_name_only("MIPv6 Option - GRE Key", "GRE Key", "mip6.options.grek", proto_mip6, FT_BYTES); proto_mip6_option_mhipv6ap = proto_register_protocol_in_name_only("MIPv6 Option - Mobility Header IPv6 Address/Prefix", "Mobility Header IPv6 Address/Prefix", "mip6.options.mhipv6ap", proto_mip6, FT_BYTES); proto_mip6_option_bi = proto_register_protocol_in_name_only("MIPv6 Option - Binding Identifier", "Binding Identifier", "mip6.options.bi", proto_mip6, FT_BYTES); proto_mip6_option_ipv4hareq = proto_register_protocol_in_name_only("MIPv6 Option - IPv4 Home Address Request", "IPv4 Home Address Request", "mip6.options.ipv4hareq", proto_mip6, FT_BYTES); proto_mip6_option_ipv4harep = proto_register_protocol_in_name_only("MIPv6 Option - IPv4 Home Address Reply", "IPv4 Home Address Reply", "mip6.options.ipv4harep", proto_mip6, FT_BYTES); proto_mip6_option_ipv4dra = proto_register_protocol_in_name_only("MIPv6 Option - IPv4 Default-Router Address", "IPv4 Default-Router Address", "mip6.options.ipv4dra", proto_mip6, FT_BYTES); proto_mip6_option_ipv4dsm = proto_register_protocol_in_name_only("MIPv6 Option - IPv4 DHCP Support Mode", "IPv4 DHCP Support Mode", "mip6.options.ipv4dsm", proto_mip6, FT_BYTES); proto_mip6_option_cr = proto_register_protocol_in_name_only("MIPv6 Option - Context Request", "Context Request", "mip6.options.cr", proto_mip6, FT_BYTES); proto_mip6_option_lmaa = proto_register_protocol_in_name_only("MIPv6 Option - Mobile Node Link-local Address Interface Identifier", "Mobile Node Link-local Address Interface Identifier", "mip6.options.lmaa", proto_mip6, FT_BYTES); proto_mip6_option_recap = proto_register_protocol_in_name_only("MIPv6 Option - Redirect-Capability", "Redirect-Capability", "mip6.options.recap", proto_mip6, FT_BYTES); proto_mip6_option_redir = proto_register_protocol_in_name_only("MIPv6 Option - Redirect", "Redirect", "mip6.options.redir", proto_mip6, FT_BYTES); proto_mip6_option_load_inf = proto_register_protocol_in_name_only("MIPv6 Option - Load Information", "Load Information", "mip6.options.load_inf", proto_mip6, FT_BYTES); proto_mip6_option_alt_ip4 = proto_register_protocol_in_name_only("MIPv6 Option - Alternate IPv4", "Alternate IPv4", "mip6.options.alt_ip4", proto_mip6, FT_BYTES); proto_mip6_option_mng = proto_register_protocol_in_name_only("MIPv6 Option - Mobile Node Group Identifier", "Mobile Node Group Identifier", "mip6.options.mng", proto_mip6, FT_BYTES); proto_mip6_option_mag_ipv6 = proto_register_protocol_in_name_only("MIPv6 Option - MAG IPv6 Address", "MAG IPv6 Address", "mip6.options.mag_ipv6", proto_mip6, FT_BYTES); proto_mip6_option_acc_net_id = proto_register_protocol_in_name_only("MIPv6 Option - Access Network Identifier", "Access Network Identifier", "mip6.options.acc_net_id", proto_mip6, FT_BYTES); proto_mip6_option_dmnp = proto_register_protocol_in_name_only("MIPv6 Option - Delegated Mobile Network Prefix", "Delegated Mobile Network Prefix", "mip6.options.dmnp", proto_mip6, FT_BYTES); } void proto_reg_handoff_mip6(void) { 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_with_preference("udp.port", UDP_PORT_PMIP6_CNTL, mip6_handle); ip_dissector_table = find_dissector_table("ip.proto"); dissector_add_uint("mip6.vsm", VENDOR_THE3GPP, create_dissector_handle(dissect_mip6_opt_vsm_3gpp, proto_mip6)); /* Create dissection function handles for all MIPv6 options */ dissector_add_uint("mip6.option", MIP6_PADN, create_dissector_handle( dissect_mip6_opt_padn, proto_mip6_option_padn )); dissector_add_uint("mip6.option", MIP6_BRA, create_dissector_handle( dissect_mip6_opt_bra, proto_mip6_option_bra )); dissector_add_uint("mip6.option", MIP6_ACOA, create_dissector_handle( dissect_mip6_opt_acoa, proto_mip6_option_acoa )); dissector_add_uint("mip6.option", MIP6_NI, create_dissector_handle( dissect_mip6_opt_ni, proto_mip6_option_ni )); dissector_add_uint("mip6.option", MIP6_AUTD, create_dissector_handle( dissect_mip6_opt_bad, proto_mip6_option_bad_auth )); dissector_add_uint("mip6.option", MIP6_MNP, create_dissector_handle( dissect_mip6_nemo_opt_mnp, proto_mip6_option_mnp )); dissector_add_uint("mip6.option", MIP6_MHLLA, create_dissector_handle( dissect_fmip6_opt_lla, proto_mip6_option_mhlla )); dissector_add_uint("mip6.option", MIP6_MNID, create_dissector_handle( dissect_mip6_opt_mnid, proto_mip6_option_mnid )); dissector_add_uint("mip6.option", MIP6_AUTH, create_dissector_handle( dissect_mip6_opt_auth, proto_mip6_option_auth )); dissector_add_uint("mip6.option", MIP6_MESGID, create_dissector_handle( dissect_mip6_opt_mseg_id, proto_mip6_option_mseg_id )); dissector_add_uint("mip6.option", MIP6_CGAPR, create_dissector_handle( dissect_mip6_opt_cgapr, proto_mip6_option_cgapr )); dissector_add_uint("mip6.option", MIP6_CGAR, create_dissector_handle( dissect_mip6_opt_cgar, proto_mip6_option_cgar )); dissector_add_uint("mip6.option", MIP6_SIGN, create_dissector_handle( dissect_mip6_opt_sign, proto_mip6_option_sign )); dissector_add_uint("mip6.option", MIP6_PHKT, create_dissector_handle( dissect_mip6_opt_phkt, proto_mip6_option_phkt )); dissector_add_uint("mip6.option", MIP6_MOCOTI, create_dissector_handle( dissect_mip6_opt_coti, proto_mip6_option_coti )); dissector_add_uint("mip6.option", MIP6_MOCOT, create_dissector_handle( dissect_mip6_opt_mocot, proto_mip6_option_cot )); dissector_add_uint("mip6.option", MIP6_DNSU, create_dissector_handle( dissect_mip6_opt_dnsu, proto_mip6_option_dnsu )); dissector_add_uint("mip6.option", MIP6_EM, create_dissector_handle( dissect_mip6_opt_em, proto_mip6_option_em )); dissector_add_uint("mip6.option", MIP6_VSM, create_dissector_handle( dissect_mip6_opt_vsm, proto_mip6_option_vsm )); dissector_add_uint("mip6.option", MIP6_SSM, create_dissector_handle( dissect_mip6_opt_ssm, proto_mip6_option_ssm )); dissector_add_uint("mip6.option", MIP6_BADFF, create_dissector_handle( dissect_mip6_opt_badff, proto_mip6_option_badff )); dissector_add_uint("mip6.option", MIP6_HNP, create_dissector_handle( dissect_mip6_opt_hnp, proto_mip6_option_hnp )); dissector_add_uint("mip6.option", MIP6_MOHI, create_dissector_handle( dissect_pmip6_opt_hi, proto_mip6_option_hi )); dissector_add_uint("mip6.option", MIP6_ATT, create_dissector_handle( dissect_pmip6_opt_att, proto_mip6_option_att )); dissector_add_uint("mip6.option", MIP6_MNLLI, create_dissector_handle( dissect_pmip6_opt_mnlli, proto_mip6_option_mnlli )); dissector_add_uint("mip6.option", MIP6_LLA, create_dissector_handle( dissect_pmip6_opt_lla, proto_mip6_option_lla )); dissector_add_uint("mip6.option", MIP6_TS, create_dissector_handle( dissect_pmip6_opt_ts, proto_mip6_option_ts )); dissector_add_uint("mip6.option", MIP6_RC, create_dissector_handle( dissect_pmip6_opt_rc, proto_mip6_option_rc )); dissector_add_uint("mip6.option", MIP6_IPV4HA, create_dissector_handle( dissect_pmip6_opt_ipv4ha, proto_mip6_option_ipv4ha )); dissector_add_uint("mip6.option", MIP6_IPV4AA, create_dissector_handle( dissect_pmip6_opt_ipv4aa, proto_mip6_option_ipv4aa )); dissector_add_uint("mip6.option", MIP6_NATD, create_dissector_handle( dissect_pmip6_opt_natd, proto_mip6_option_natd )); dissector_add_uint("mip6.option", MIP6_IPV4COA, create_dissector_handle( dissect_pmip6_opt_ipv4coa, proto_mip6_option_ipv4coa )); dissector_add_uint("mip6.option", MIP6_GREK, create_dissector_handle( dissect_pmip6_opt_grek, proto_mip6_option_grek )); dissector_add_uint("mip6.option", MIP6_MHIPV6AP, create_dissector_handle( dissect_pmip6_opt_mhipv6ap, proto_mip6_option_mhipv6ap )); dissector_add_uint("mip6.option", MIP6_BI, create_dissector_handle( dissect_pmip6_opt_bi, proto_mip6_option_bi )); dissector_add_uint("mip6.option", MIP6_IPV4HAREQ, create_dissector_handle( dissect_pmip6_opt_ipv4hareq, proto_mip6_option_ipv4hareq )); dissector_add_uint("mip6.option", MIP6_IPV4HAREP, create_dissector_handle( dissect_pmip6_opt_ipv4harep, proto_mip6_option_ipv4harep )); dissector_add_uint("mip6.option", MIP6_IPV4DRA, create_dissector_handle( dissect_pmip6_opt_ipv4dra, proto_mip6_option_ipv4dra )); dissector_add_uint("mip6.option", MIP6_IPV4DSM, create_dissector_handle( dissect_pmip6_opt_ipv4dsm, proto_mip6_option_ipv4dsm )); dissector_add_uint("mip6.option", MIP6_CR, create_dissector_handle( dissect_pmip6_opt_cr, proto_mip6_option_cr )); dissector_add_uint("mip6.option", MIP6_LMAA, create_dissector_handle( dissect_pmip6_opt_lmaa, proto_mip6_option_lmaa )); dissector_add_uint("mip6.option", MIP6_RECAP, create_dissector_handle( dissect_pmip6_opt_recap, proto_mip6_option_recap )); dissector_add_uint("mip6.option", MIP6_REDIR, create_dissector_handle( dissect_pmip6_opt_redir, proto_mip6_option_redir )); dissector_add_uint("mip6.option", MIP6_LOAD_INF, create_dissector_handle( dissect_pmip6_opt_load_inf, proto_mip6_option_load_inf )); dissector_add_uint("mip6.option", MIP6_ALT_IP4_CO, create_dissector_handle( dissect_pmip6_opt_alt_ip4, proto_mip6_option_alt_ip4 )); dissector_add_uint("mip6.option", MIP6_MNG, create_dissector_handle( dissect_pmip6_opt_mng, proto_mip6_option_mng )); dissector_add_uint("mip6.option", MIP6_MAG_IPv6, create_dissector_handle( dissect_pmip6_opt_mag_ipv6, proto_mip6_option_mag_ipv6 )); dissector_add_uint("mip6.option", MIP6_ACC_NET_ID, create_dissector_handle( dissect_pmip6_opt_acc_net_id, proto_mip6_option_acc_net_id )); dissector_add_uint("mip6.option", MIP6_DMNP, create_dissector_handle( dissect_mip6_opt_dmnp, proto_mip6_option_dmnp )); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */