diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
| commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
| tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-mip6.c | |
| parent | Initial commit. (diff) | |
| download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip | |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-mip6.c')
| -rw-r--r-- | epan/dissectors/packet-mip6.c | 5273 |
1 files changed, 5273 insertions, 0 deletions
diff --git a/epan/dissectors/packet-mip6.c b/epan/dissectors/packet-mip6.c new file mode 100644 index 00000000..9b572207 --- /dev/null +++ b/epan/dissectors/packet-mip6.c @@ -0,0 +1,5273 @@ +/* packet-mip6.c + * + * Definitions and Routines for Mobile IPv6 dissection (RFC 3775) + * Copyright 2003 Oy L M Ericsson Ab <teemu.rinta-aho@ericsson.fi> + * + * FMIPv6 (RFC 4068) support added by Martin Andre <andre@clarinet.u-strasbg.fr> + * Copyright 2006, Nicolas DICHTEL - 6WIND - <nicolas.dichtel@6wind.com> + * + * Modifications for NEMO packets (RFC 3963): Bruno Deniaud + * (bdeniaud@irisa.fr, nono@chez.com) 12 Oct 2005 + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * 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 <epan/packet.h> +#include <epan/to_str.h> + +#include <epan/ipproto.h> +#include <epan/expert.h> +#include <epan/ip_opts.h> +#include <epan/sminmpec.h> +#include <epan/addr_resolv.h> + +#include <wsutil/str_util.h> + +#include "packet-ntp.h" +#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 = -1; +static int proto_nemo = -1; +static int proto_mip6_option_pad1 = -1; +static int proto_mip6_option_padn = -1; +static int proto_mip6_option_bra = -1; +static int proto_mip6_option_acoa = -1; +static int proto_mip6_option_ni = -1; +static int proto_mip6_option_bad_auth = -1; +static int proto_mip6_option_mnp = -1; +static int proto_mip6_option_mhlla = -1; +static int proto_mip6_option_mnid = -1; +static int proto_mip6_option_auth = -1; +static int proto_mip6_option_mseg_id = -1; +static int proto_mip6_option_cgapr = -1; +static int proto_mip6_option_cgar = -1; +static int proto_mip6_option_sign = -1; +static int proto_mip6_option_phkt = -1; +static int proto_mip6_option_coti = -1; +static int proto_mip6_option_cot = -1; +static int proto_mip6_option_dnsu = -1; +static int proto_mip6_option_em = -1; +static int proto_mip6_option_vsm = -1; +static int proto_mip6_option_ssm = -1; +static int proto_mip6_option_badff = -1; +static int proto_mip6_option_hnp = -1; +static int proto_mip6_option_hi = -1; +static int proto_mip6_option_att = -1; +static int proto_mip6_option_mnlli = -1; +static int proto_mip6_option_lla = -1; +static int proto_mip6_option_ts = -1; +static int proto_mip6_option_rc = -1; +static int proto_mip6_option_ipv4ha = -1; +static int proto_mip6_option_ipv4aa = -1; +static int proto_mip6_option_natd = -1; +static int proto_mip6_option_ipv4coa = -1; +static int proto_mip6_option_grek = -1; +static int proto_mip6_option_mhipv6ap = -1; +static int proto_mip6_option_bi = -1; +static int proto_mip6_option_ipv4hareq = -1; +static int proto_mip6_option_ipv4harep = -1; +static int proto_mip6_option_ipv4dra = -1; +static int proto_mip6_option_ipv4dsm = -1; +static int proto_mip6_option_cr = -1; +static int proto_mip6_option_lmaa = -1; +static int proto_mip6_option_recap = -1; +static int proto_mip6_option_redir = -1; +static int proto_mip6_option_load_inf = -1; +static int proto_mip6_option_alt_ip4 = -1; +static int proto_mip6_option_mng = -1; +static int proto_mip6_option_mag_ipv6 = -1; +static int proto_mip6_option_acc_net_id = -1; +static int proto_mip6_option_dmnp = -1; + +static int hf_mip6_proto = -1; +static int hf_mip6_hlen = -1; +static int hf_mip6_mhtype = -1; +static int hf_mip6_reserved = -1; +static int hf_mip6_csum = -1; + +static int hf_mip6_hoti_cookie = -1; + +static int hf_mip6_coti_cookie = -1; + +static int hf_mip6_hot_nindex = -1; +static int hf_mip6_hot_cookie = -1; +static int hf_mip6_hot_token = -1; + +static int hf_mip6_cot_nindex = -1; +static int hf_mip6_cot_cookie = -1; +/* static int hf_mip6_cot_token = -1; */ + +static int hf_mip6_bu_seqnr = -1; +static int hf_mip6_bu_a_flag = -1; +static int hf_mip6_bu_h_flag = -1; +static int hf_mip6_bu_l_flag = -1; +static int hf_mip6_bu_k_flag = -1; +static int hf_mip6_bu_m_flag = -1; +static int hf_mip6_nemo_bu_r_flag = -1; +static int hf_pmip6_bu_p_flag = -1; +static int hf_mip6_bu_f_flag = -1; +static int hf_pmip6_bu_t_flag = -1; +static int hf_pmip6_bu_b_flag = -1; +static int hf_mip6_bu_lifetime = -1; + +static int hf_mip6_ba_status = -1; +static int hf_mip6_ba_k_flag = -1; +static int hf_mip6_nemo_ba_r_flag = -1; +static int hf_pmip6_ba_p_flag = -1; +static int hf_pmip6_ba_t_flag = -1; +static int hf_pmip6_ba_b_flag = -1; +static int hf_mip6_ba_seqnr = -1; +static int hf_mip6_ba_lifetime = -1; + +static int hf_mip6_be_status = -1; +static int hf_mip6_be_haddr = -1; + +static int hf_fmip6_fbu_seqnr = -1; +static int hf_fmip6_fbu_a_flag = -1; +static int hf_fmip6_fbu_h_flag = -1; +static int hf_fmip6_fbu_l_flag = -1; +static int hf_fmip6_fbu_k_flag = -1; +static int hf_fmip6_fbu_lifetime = -1; + +static int hf_fmip6_fback_status = -1; +static int hf_fmip6_fback_k_flag = -1; +static int hf_fmip6_fback_seqnr = -1; +static int hf_fmip6_fback_lifetime = -1; + +static int hf_mip6_has_num_addrs = -1; +static int hf_mip6_has_reserved = -1; +static int hf_mip6_has_address = -1; + +static int hf_mip6_hb_u_flag = -1; +static int hf_mip6_hb_r_flag = -1; +static int hf_mip6_hb_seqnr = -1; + +static int hf_mip6_hi_seqnr = -1; +static int hf_mip6_hi_s_flag = -1; +static int hf_mip6_hi_u_flag = -1; +static int hf_mip6_hi_code = -1; + +static int hf_mip6_hack_seqnr = -1; +static int hf_mip6_hack_code = -1; + +static int hf_mip6_opt_3gpp_reserved = -1; +static int hf_mip6_opt_3gpp_flag_m = -1; +static int hf_mip6_opt_3gpp_spec_pmipv6_err_code = -1; +static int hf_mip6_opt_3gpp_pdn_gw_ipv4_addr = -1; +static int hf_mip6_opt_3gpp_pdn_gw_ipv6_addr = -1; +static int hf_mip6_opt_3gpp_dhcpv4_addr_all_proc_ind = -1; +static int hf_mip6_opt_3gpp_pdn_type = -1; +static int hf_mip6_opt_3gpp_pdn_ind_cause = -1; +static int hf_mip6_opt_3gpp_chg_id = -1; +static int hf_mip6_opt_3gpp_charging_characteristic = -1; +static int hf_mip6_opt_3gpp_mei = -1; +static int hf_mip6_opt_3gpp_msisdn = -1; +static int hf_mip6_opt_3gpp_apn_rest = -1; +static int hf_mip6_opt_3gpp_max_apn_rest = -1; +static int hf_mip6_opt_3gpp_imsi = -1; +static int hf_mip6_opt_3gpp_pdn_conn_id = -1; +static int hf_hf_mip6_opt_3gpp_lapi = -1; + +static int hf_mip6_bra_interval = -1; + +static int hf_mip6_acoa_acoa = -1; +static int hf_mip6_nemo_mnp_mnp = -1; +static int hf_mip6_nemo_mnp_pfl = -1; + +static int hf_mip6_ni_hni = -1; +static int hf_mip6_ni_cni = -1; + +static int hf_mip6_bad_auth = -1; + +static int hf_fmip6_lla = -1; +static int hf_fmip6_lla_optcode = -1; + +static int hf_mip6_mnid_subtype = -1; +static int hf_mip6_mnid_identifier = -1; +static int hf_mip6_vsm_vid = -1; +static int hf_mip6_vsm_subtype = -1; +static int hf_mip6_vsm_subtype_3gpp = -1; + +static int hf_mip6_opt_ss_identifier = -1; + +static int hf_mip6_opt_badff_spi = -1; +static int hf_mip6_opt_badff_auth = -1; + +static int hf_mip6_opt_auth_sub_type = -1; +static int hf_mip6_opt_auth_mobility_spi = -1; +static int hf_mip6_opt_auth_auth_data = -1; +static int hf_mip6_opt_mseg_id_timestamp = -1; + +static int hf_mip6_opt_cgar_cga_par = -1; +static int hf_mip6_opt_sign_sign = -1; +static int hf_mip6_opt_phkt_phkt = -1; +static int hf_mip6_opt_mocot_co_keygen_tok = -1; + +static int hf_mip6_opt_dnsu_status = -1; +static int hf_mip6_opt_dnsu_flag_r = -1; +static int hf_mip6_opt_dnsu_mn_id = -1; + +static int hf_mip6_opt_em_data = -1; + +static int hf_pmip6_hi_hi = -1; +static int hf_pmip6_hi_reserved = -1; + +static int hf_pmip6_att_reserved = -1; +static int hf_pmip6_att_att = -1; + +static int hf_mip6_opt_mnlli_reserved = -1; +static int hf_mip6_opt_mnlli_lli = -1; + +static int hf_pmip6_timestamp = -1; +static int hf_pmip6_rc = -1; +static int hf_mip6_ipv4ha_preflen = -1; +static int hf_mip6_ipv4ha_p_flag = -1; +static int hf_mip6_ipv4ha_ha = -1; +static int hf_mip6_ipv4ha_reserved = -1; +static int hf_mip6_ipv4aa_status = -1; + +static int hf_mip6_opt_natd_f_flag = -1; +static int hf_mip6_opt_natd_reserved = -1; +static int hf_mip6_opt_natd_refresh_t = -1; + +static int hf_mip6_opt_ipv4coa_reserved = -1; +static int hf_mip6_opt_ipv4coa_addr = -1; + +static int hf_pmip6_gre_key = -1; +static int hf_mip6_opt_mhipv6ap_opt_code = -1; +static int hf_mip6_opt_mhipv6ap_prefix_l = -1; +static int hf_mip6_opt_mhipv6ap_ipv6_address = -1; +static int hf_mip6_opt_mhipv6ap_ipv6_address_prefix = -1; +static int hf_mip6_ipv4dra_reserved = -1; +static int hf_mip6_ipv4dra_dra = -1; + +static int hf_mip6_ipv4dsm_reserved = -1; +static int hf_mip6_ipv4dsm_s_flag = -1; +static int hf_mip6_cr_reserved = -1; +static int hf_mip6_cr_req_type = -1; +static int hf_mip6_cr_req_length = -1; + +static int hf_mip6_lmaa_opt_code = -1; +static int hf_mip6_lmaa_reserved = -1; +static int hf_mip6_lmaa_ipv4 = -1; +static int hf_mip6_lmaa_ipv6 = -1; + +static int hf_mip6_mobility_opt = -1; +static int hf_mip6_opt_len = -1; + +static int hf_mip6_opt_bi_bid = -1; +static int hf_mip6_opt_bi_status = -1; +static int hf_mip6_bi_h_flag = -1; +static int hf_mip6_bi_coa_ipv4 = -1; +static int hf_mip6_bi_coa_ipv6 = -1; + +static int hf_mip6_binding_refresh_request = -1; +static int hf_mip6_unknown_type_data = -1; +static int hf_mip6_fast_neighbor_advertisement = -1; +static int hf_mip6_vsm_data = -1; +static int hf_mip6_vsm_req_data = -1; +static int hf_mip6_opt_padn = -1; + +/* PMIP BRI */ +static int hf_pmip6_bri_brtype = -1; +static int hf_pmip6_bri_rtrigger = -1; +static int hf_pmip6_bri_status = -1; +static int hf_pmip6_bri_seqnr = -1; +static int hf_pmip6_bri_ip_flag = -1; +static int hf_pmip6_bri_ap_flag = -1; +static int hf_pmip6_bri_iv_flag = -1; +static int hf_pmip6_bri_av_flag = -1; +static int hf_pmip6_bri_ig_flag = -1; +static int hf_pmip6_bri_ag_flag = -1; +static int hf_pmip6_bri_res = -1; + +static int hf_pmip6_lri_sequence = -1; +static int hf_pmip6_lri_reserved = -1; +static int hf_pmip6_lri_lifetime = -1; + +static int hf_pmip6_lra_sequence = -1; +static int hf_pmip6_lra_u = -1; +static int hf_pmip6_lra_reserved = -1; +static int hf_pmip6_lra_status = -1; +static int hf_pmip6_lra_lifetime = -1; + +static int hf_mip6_opt_recap_reserved = -1; +static int hf_mip6_opt_redir_k = -1; +static int hf_mip6_opt_redir_n = -1; +static int hf_mip6_opt_redir_reserved = -1; +static int hf_mip6_opt_redir_addr_r2LMA_ipv6 = -1; +static int hf_mip6_opt_redir_addr_r2LMA_ipv4 = -1; +static int hf_mip6_opt_load_inf_priority = -1; +static int hf_mip6_opt_load_inf_sessions_in_use = -1; +static int hf_mip6_opt_load_inf_maximum_sessions = -1; +static int hf_mip6_opt_load_inf_used_capacity = -1; +static int hf_mip6_opt_load_inf_maximum_capacity = -1; +static int hf_mip6_opt_alt_ip4 = -1; + +/* Mobile Node Group Identifier Optionm */ +static int hf_mip6_opt_mng_sub_type = -1; +static int hf_mip6_opt_mng_reserved = -1; +static int hf_mip6_opt_mng_mng_id = -1; + +static int hf_mip6_opt_mag_ipv6_reserved = -1; +static int hf_mip6_opt_mag_ipv6_address_length = -1; +static int hf_mip6_opt_mag_ipv6_address = -1; + +static int hf_mip6_opt_acc_net_id_sub = -1; +static int hf_mip6_opt_acc_net_id_sub_opt = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_len = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_e_bit = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_net_name_len = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_net_name = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_net_name_data = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_ap_name_len = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_ap_name = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_geo_latitude_degrees = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_geo_longitude_degrees = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_op_id_type = -1; +static int hf_mip6_opt_acc_net_id_sub_opt_op_id = -1; + +static int hf_pmip6_opt_lila_lla = -1; + +/* Delegated Mobile Network Prefix Option */ +static int hf_mip6_opt_dmnp_v_flag = -1; +static int hf_mip6_opt_dmnp_reserved = -1; +static int hf_mip6_opt_dmnp_prefix_len = -1; +static int hf_mip6_opt_dmnp_dmnp_ipv4 = -1; +static int hf_mip6_opt_dmnp_dmnp_ipv6 = -1; + +/* Initialize the subtree pointers */ +static gint ett_mip6 = -1; +static gint ett_mip6_opt_pad1 = -1; +static gint ett_mip6_opt_padn = -1; +static gint ett_mip6_opts = -1; +static gint ett_mip6_opt_bra = -1; +static gint ett_mip6_opt_acoa = -1; +static gint ett_mip6_opt_ni = -1; +static gint ett_mip6_opt_bad = -1; +static gint ett_mip6_nemo_opt_mnp = -1; +static gint ett_fmip6_opt_lla = -1; +static gint ett_mip6_opt_mnid = -1; +static gint ett_mip6_opt_auth = -1; +static gint ett_mip6_opt_mesgid = -1; +static gint ett_mip6_opt_cgapr = -1; +static gint ett_mip6_opt_cgar = -1; +static gint ett_mip6_opt_sign = -1; +static gint ett_mip6_opt_phkt = -1; +static gint ett_mip6_opt_mocoti = -1; +static gint ett_mip6_opt_mocot = -1; +static gint ett_mip6_opt_dnsu = -1; +static gint ett_mip6_opt_em = -1; +static gint ett_mip6_opt_vsm = -1; +static gint ett_mip6_opt_ssm = -1; +static gint ett_mip6_opt_badff = -1; +static gint ett_mip6_opt_unknown = -1; +static gint ett_pmip6_opt_hnp = -1; +static gint ett_pmip6_opt_hi = -1; +static gint ett_pmip6_opt_att = -1; +static gint ett_pmip6_opt_mnlli = -1; +static gint ett_pmip6_opt_lla = -1; +static gint ett_pmip6_opt_ts = -1; +static gint ett_pmip6_opt_rc = -1; +static gint ett_mip6_opt_ipv4ha = -1; +static gint ett_mip6_opt_ipv4aa = -1; +static gint ett_mip6_opt_natd = -1; +static gint ett_mip6_opt_ipv4coa = -1; +static gint ett_pmip6_opt_grek = -1; +static gint ett_pmip6_opt_mhipv6ap = -1; +static gint ett_pmip6_opt_bi = -1; +static gint ett_mip6_opt_ipv4hareq = -1; +static gint ett_mip6_opt_ipv4harep = -1; +static gint ett_mip6_opt_ipv4dra = -1; +static gint ett_mip6_opt_ipv4dsm = -1; +static gint ett_mip6_opt_cr = -1; +static gint ett_mip6_opt_lmaa = -1; +static gint ett_mip6_opt_recap = -1; +static gint ett_mip6_opt_redir = -1; +static gint ett_mip6_opt_load_inf = -1; +static gint ett_mip6_opt_alt_ip4 = -1; +static gint ett_mip6_opt_mng = -1; +static gint ett_mip6_opt_mag_ipv6 = -1; +static gint ett_mip6_opt_acc_net_id = -1; +static gint ett_mip6_sub_opt_acc_net_id = -1; +static gint ett_mip6_opt_dmnp = -1; + +static expert_field ei_mip6_ie_not_dissected = EI_INIT; +static expert_field ei_mip6_ani_type_not_dissected = EI_INIT; +static expert_field ei_mip6_opt_len_invalid = EI_INIT; +static expert_field ei_mip6_vsm_data_not_dissected = EI_INIT; +static expert_field ei_mip6_bogus_header_length = EI_INIT; + +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_guint8(tvb, MIP6_BU_FLAGS_OFF) & 0x0004 ) == 0x0004) + proto_nemo = 1; + + lifetime = tvb_get_ntohs(tvb, MIP6_BU_LIFETIME_OFF); + proto_tree_add_uint_format_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_guint8(tvb, MIP6_BA_FLAGS_OFF) & 0x0040 ) == 0x0040) + proto_nemo = 1; + + proto_tree_add_item(data_tree, hf_mip6_ba_seqnr, tvb, + MIP6_BA_SEQNR_OFF, MIP6_BA_SEQNR_LEN, ENC_BIG_ENDIAN); + + lifetime = tvb_get_ntohs(tvb, MIP6_BA_LIFETIME_OFF); + proto_tree_add_uint_format_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_) +{ + guint num_addrs, len; + + num_addrs = tvb_get_guint8(tvb, MIP6_DATA_OFF); + len = 2 + num_addrs * 16; + + if (mip6_tree) { + proto_tree *data_tree; + gint off; + guint 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_) +{ + guint hdr_len, data_len; + + hdr_len = (tvb_get_guint8(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; + guint8 br_type; + + br_type = tvb_get_guint8(tvb, PMIP6_BRI_BRTYPE_OFF); + + /* Branch between BR Indication and BR Acknowledge */ + if ( br_type == INDICATION ) + { + col_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_, gint 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_, gint 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; + guint8 sub_type, m_flag; + tvbuff_t *next_tvb; + gchar *mei_str; + char *digit_str; + gchar *mcc_mnc_str; + gchar *imsi_str; + + /* offset points to the sub type */ + sub_type = tvb_get_guint8(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, "<unknown>")); + offset++; + m_flag = tvb_get_guint8(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, 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, 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, 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_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, guint len, guint 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, guint len, guint 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; + guint32 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 guint8 *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; + guint32 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, "<unknown>")); + 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; + guint8 *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_guint8(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; + guint32 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, "<unknown>")); + + 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; + guint32 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_guint8(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, "<unknown>")); + + 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; + guint32 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; + guint32 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; + guint8 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_guint8(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; + guint32 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; + guint32 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, "<unknown>")); + 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; + guint8 req_type, req_length; + guint32 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_guint8(tvb,offset); + proto_tree_add_item(opt_tree, hf_mip6_cr_req_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + req_length = tvb_get_guint8(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; + guint8 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_guint8(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; + guint16 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; + guint32 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(guint 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)(gint)value) / 32768.0f; +} + +static void +degrees_base_custom(gchar *str, guint 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; + gint16 sub_opt_len; + guint8 sub_opt, e_bit, net_name_len, ap_name_len; + const guint8 *ap_name; + int option_len = tvb_reported_length(tvb)-2; + int offset = 2; + gint 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_guint8(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_guint8(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_guint8(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_guint8(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 guint8* 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_guint8(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; + guint8 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_guint8(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, guint length, + int eol, packet_info *pinfo, proto_tree *opt_tree) +{ + guchar opt; + const char *name; + guint len; + dissector_handle_t option_dissector; + tvbuff_t *next_tvb; + proto_item *ti; + proto_tree *unknown_tree; + + while ((gint)length > 0) { + opt = tvb_get_guint8(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_guint8(tvb, offset + 1); /* Size specified in option */ + --length; /* account for length byte */ + + if (len > length) { + /* Bogus - option goes past the end of the header. */ + proto_tree_add_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; + guint8 type, pproto; + guint 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_guint8(tvb, MIP6_HLEN_OFF) + 1) * 8; + pproto = tvb_get_guint8(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_guint8(tvb, MIP6_HLEN_OFF), + "%u (%u bytes)", + tvb_get_guint8(tvb, MIP6_HLEN_OFF), + len); + + proto_tree_add_item(mip6_tree, hf_mip6_mhtype, tvb, + MIP6_TYPE_OFF, 1, ENC_BIG_ENDIAN); + + proto_tree_add_item(mip6_tree, hf_mip6_reserved, tvb, + MIP6_RES_OFF, 1, ENC_BIG_ENDIAN); + + proto_tree_add_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_guint8(tvb, MIP6_TYPE_OFF); + col_add_fstr(pinfo->cinfo, COL_INFO, "%s", 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_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, &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 gint *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: + */ |