1503 lines
53 KiB
C
1503 lines
53 KiB
C
/* packet-mip.c
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* Routines for Mobile IP dissection
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* Copyright 2000, Stefan Raab <sraab@cisco.com>
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* Copyright 2007, Ville Nuorvala <Ville.Nuorvala@secgo.com>
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* Copyright 2009, Ohuchi Munenori <ohuchi_at_iij.ad.jp>
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* Copyright 2010, Yi Ren <yi_ren1@agilent.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/expert.h>
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#include <epan/to_str.h>
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#include <epan/sminmpec.h>
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void proto_register_mip(void);
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void proto_reg_handoff_mip(void);
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static dissector_table_t mip_nvse_ext_dissector_table;
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/* Initialize the protocol and registered fields */
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static int proto_mip = -1;
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static int hf_mip_type = -1;
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static int hf_mip_flags = -1;
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static int hf_mip_s = -1;
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static int hf_mip_b = -1;
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static int hf_mip_d = -1;
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static int hf_mip_m = -1;
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static int hf_mip_g = -1;
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static int hf_mip_v = -1;
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static int hf_mip_t = -1;
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static int hf_mip_x = -1;
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static int hf_mip_code = -1;
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static int hf_mip_life = -1;
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static int hf_mip_homeaddr = -1;
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static int hf_mip_haaddr = -1;
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static int hf_mip_coa = -1;
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static int hf_mip_ident = -1;
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static int hf_mip_ext_type = -1;
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static int hf_mip_gaext_stype = -1;
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static int hf_mip_ext_len = -1;
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static int hf_mip_ext = -1;
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static int hf_mip_aext_spi = -1;
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static int hf_mip_aext_auth = -1;
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static int hf_mip_next_nai = -1;
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static int hf_mip_rext_flags = -1;
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static int hf_mip_rext_i = -1;
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static int hf_mip_rext_reserved = -1;
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static int hf_mip_rext_tstamp = -1;
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static int hf_mip_rev_reserved = -1;
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static int hf_mip_flags2 = -1;
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static int hf_mip_rev_a = -1;
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static int hf_mip_rev_i = -1;
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static int hf_mip_rev_reserved2 = -1;
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static int hf_mip_ack_reserved = -1;
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static int hf_mip_ack_i = -1;
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static int hf_mip_ack_reserved2 = -1;
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static int hf_mip_hda = -1;
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static int hf_mip_fda = -1;
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static int hf_mip_revid = -1;
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static int hf_mip_dhaext_stype = -1;
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static int hf_mip_dhaext_addr = -1;
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static int hf_mip_mstrext_stype = -1;
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static int hf_mip_mstrext_text = -1;
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static int hf_mip_nattt_nexthdr = -1;
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static int hf_mip_nattt_reserved = -1;
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static int hf_mip_utrqext_stype = -1;
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static int hf_mip_utrqext_reserved1 = -1;
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static int hf_mip_utrqext_flags = -1;
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static int hf_mip_utrqext_f = -1;
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static int hf_mip_utrqext_r = -1;
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static int hf_mip_utrqext_reserved2 = -1;
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static int hf_mip_utrqext_encap_type = -1;
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static int hf_mip_utrqext_reserved3 = -1;
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static int hf_mip_utrpext_stype = -1;
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static int hf_mip_utrpext_code = -1;
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static int hf_mip_utrpext_flags = -1;
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static int hf_mip_utrpext_f = -1;
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static int hf_mip_utrpext_reserved = -1;
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static int hf_mip_utrpext_keepalive = -1;
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static int hf_mip_pmipv4nonskipext_stype = -1;
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static int hf_mip_pmipv4nonskipext_pernodeauthmethod = -1;
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static int hf_mip_pmipv4skipext_stype = -1;
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static int hf_mip_pmipv4skipext_interfaceid = -1;
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static int hf_mip_pmipv4skipext_deviceid_type = -1;
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static int hf_mip_pmipv4skipext_deviceid_id = -1;
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static int hf_mip_pmipv4skipext_subscriberid_type = -1;
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static int hf_mip_pmipv4skipext_subscriberid_id = -1;
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static int hf_mip_pmipv4skipext_accesstechnology_type = -1;
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static int hf_mip_cvse_reserved = -1;
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static int hf_mip_cvse_vendor_org_id = -1;
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static int hf_mip_cvse_verizon_cvse_type = -1;
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static int hf_mip_cvse_3gpp2_cvse_type = -1;
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static int hf_mip_cvse_3gpp2_grekey = -1;
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static int hf_mip_cvse_vendor_cvse_type = -1;
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static int hf_mip_cvse_vendor_cvse_value = -1;
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static int hf_mip_nvse_reserved = -1;
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static int hf_mip_nvse_vendor_org_id = -1;
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static int hf_mip_nvse_vendor_nvse_type = -1;
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static int hf_mip_nvse_vendor_nvse_value = -1;
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static int hf_mip_nvse_3gpp2_type = -1;
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static int hf_mip_nvse_3gpp2_type17_entity = -1;
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static int hf_mip_nvse_3gpp2_type16_value = -1;
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static int hf_mip_nvse_3gpp2_type17_subtype1 = -1;
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static int hf_mip_nvse_3gpp2_type17_subtype2 = -1;
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static int hf_mip_nvse_3gpp2_type17_length = -1;
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static int hf_mip_nvse_3gpp2_type17_prim_dns = -1;
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static int hf_mip_nvse_3gpp2_type17_sec_dns = -1;
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/* Initialize the subtree pointers */
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static gint ett_mip = -1;
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static gint ett_mip_flags = -1;
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static gint ett_mip_ext = -1;
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static gint ett_mip_exts = -1;
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static gint ett_mip_pmipv4_ext = -1;
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static expert_field ei_mip_data_not_dissected = EI_INIT;
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/* Port used for Mobile IP */
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#define UDP_PORT_MIP 434
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/* http://www.iana.org/assignments/mobileip-numbers */
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typedef enum {
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MIP_REGISTRATION_REQUEST = 1,
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MIP_REGISTRATION_REPLY = 3,
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MIP_NATT_TUNNEL_DATA = 4,
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MIP_REGISTRATION_REVOCATION = 7,
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MIP_REGISTRATION_REVOCATION_ACK = 15,
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MIP_HANDOFF_REQUEST = 16,
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MIP_HANDOFF_REPLY = 17,
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MIP_REGIONAL_REG_REQ = 18,
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MIP_REGIONAL_REG_REP = 19,
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MIP_FAST_BINDING_UPD = 20,
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MIP_FAST_BINDING_ACK = 21,
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MIP_EXPERIMENTAL_MESSAGE = 255
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} mipMessageTypes;
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static const value_string mip_types[] = {
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{MIP_REGISTRATION_REQUEST, "Registration Request"},
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{MIP_REGISTRATION_REPLY, "Registration Reply"},
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{MIP_NATT_TUNNEL_DATA, "NAT Traversal Tunnel Data"},
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{MIP_REGISTRATION_REVOCATION, "Registration Revocation"},
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{MIP_REGISTRATION_REVOCATION_ACK, "Registration Revocation Acknowledgement"},
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{MIP_HANDOFF_REQUEST, "NAT Traversal Tunnel Data"},
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{MIP_HANDOFF_REPLY, "NAT Traversal Tunnel Data"},
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{MIP_REGIONAL_REG_REQ, "NAT Traversal Tunnel Data"},
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{MIP_REGIONAL_REG_REP, "NAT Traversal Tunnel Data"},
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{MIP_FAST_BINDING_UPD, "NAT Traversal Tunnel Data"},
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{MIP_FAST_BINDING_ACK, "NAT Traversal Tunnel Data"},
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{MIP_EXPERIMENTAL_MESSAGE, "Message for Experimental Use"},
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{0, NULL}
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};
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static const value_string mip_reply_codes[]= {
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{0, "Reg Accepted"},
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{1, "Reg Accepted, but Simultaneous Bindings Unsupported"},
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{64, "Reg Deny (FA)- Unspecified Reason"},
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{65, "Reg Deny (FA)- Administratively Prohibited"},
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{66, "Reg Deny (FA)- Insufficient Resources"},
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{67, "Reg Deny (FA)- MN Failed Authentication"},
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{68, "Reg Deny (FA)- HA Failed Authentication"},
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{69, "Reg Deny (FA)- Requested Lifetime too Long"},
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{70, "Reg Deny (FA)- Poorly Formed Request"},
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{71, "Reg Deny (FA)- Poorly Formed Reply"},
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{72, "Reg Deny (FA)- Requested Encapsulation Unavailable"},
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{73, "Reg Deny (FA)- VJ Compression Unavailable"},
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{74, "Reg Deny (FA)- Requested Reverse Tunnel Unavailable"},
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{75, "Reg Deny (FA)- Reverse Tunnel Is Mandatory and 'T' Bit Not Set"},
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{76, "Reg Deny (FA)- Mobile Node Too Distant"},
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{77, "Reg Deny (FA)- Invalid Care-of Address"},
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{78, "Reg Deny (FA)- Registration Timeout"},
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{79, "Reg Deny (FA)- Delivery Style Not Supported"},
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{80, "Reg Deny (FA)- Home Network Unreachable"},
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{81, "Reg Deny (FA)- HA Host Unreachable"},
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{82, "Reg Deny (FA)- HA Port Unreachable"},
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{88, "Reg Deny (FA)- HA Unreachable"},
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{89, "Reg Deny (FA)- Vendor-specific Reason"},
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{90, "Reg Deny (FA)- Non-zero HA Address Required"},
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{96, "Reg Deny (FA)(NAI) - Non-zero Home Address Required"},
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{97, "Reg Deny (FA)(NAI) - Missing NAI"},
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{98, "Reg Deny (FA)(NAI) - Missing Home Agent"},
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{99, "Reg Deny (FA)(NAI) - Missing Home Address"},
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{100, "Reg Deny (FA)- Unable to Interpret CVSE Sent by MN"},
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{101, "Reg Deny (FA)- Unable to Interpret CVSE Sent by HA"},
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{104, "Reg Deny (FA)- Unknown Challenge"},
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{105, "Reg Deny (FA)- Missing Challenge"},
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{106, "Reg Deny (FA)- Stale Challenge"},
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{107, "Reg Deny (FA)- Missing MN-FA Key Generation Nonce Reply Extension"},
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{108, "Reg Deny (FA)- MN Failed AAA Authentication"},
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{109, "Reg Deny (FA)- HA Sent Wrong Challenge in Reply"},
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{127, "Reg Deny (FA)- Error Code for Experimental Use"},
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{128, "Reg Deny (HA)- Unspecified"},
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{129, "Reg Deny (HA)- Administratively Prohibited"},
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{130, "Reg Deny (HA)- Insufficient Resources"},
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{131, "Reg Deny (HA)- MN Failed Authentication"},
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{132, "Reg Deny (HA)- FA Failed Authentication"},
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{133, "Reg Deny (HA)- Registration ID Mismatch"},
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{134, "Reg Deny (HA)- Poorly Formed Request"},
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{135, "Reg Deny (HA)- Too Many Simultaneous Bindings"},
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{136, "Reg Deny (HA)- Unknown HA Address"},
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{137, "Reg Deny (HA)- Requested Reverse Tunnel Unavailable"},
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{138, "Reg Deny (HA)- Reverse Tunnel Is Mandatory and 'T' Bit Not Set"},
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{139, "Reg Deny (HA)- Requested Encapsulation Unavailable"},
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{140, "Reg Deny (HA)- Unable to Interpret CVSE Sent by MN"},
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{141, "Reg Deny (HA)- Unable to Interpret CVSE Sent by FA"},
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{142, "Reg Deny (HA)- UDP Encapsulation Unavailable"},
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{143, "Reg Deny (HA)- Register with Redirected HA"},
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{144, "Reg Deny (HA)- MN Failed AAA Authentication"},
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{149, "Reg Deny (HA)- PMIP_UNSUPPORTED"}, /* draft-leung-mip4-proxy-mode */
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{150, "Reg Deny (HA)- PMIP_DISALLOWED"}, /* draft-leung-mip4-proxy-mode */
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{192, "Reg Deny (HA)- Error Code for Experimental Use"},
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{0, NULL}
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};
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static const value_string mip_nattt_nexthdr[]= {
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{4, "IP Header"},
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{47, "GRE Header"},
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{55, "Minimal IP Encapsulation Header"},
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{0, NULL}
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};
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typedef enum {
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MH_AUTH_EXT = 32,
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MF_AUTH_EXT = 33,
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FH_AUTH_EXT = 34,
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GEN_AUTH_EXT = 36, /* RFC 3012 */
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OLD_CVSE_EXT = 37, /* RFC 3115 */
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CVSE_EXT = 38, /* RFC 3115 */
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UDP_TUN_REP_EXT = 44, /* RFC 3519 */
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MIP_FA_ERROR_EXT = 45, /* [RFC4636] */
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MIP_GFA_IP_ADDR_EXT = 46, /* [RFC4857] */
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PMIPv4_NON_SKIP_EXT = 47, /* [RFC5563] */
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MN_NAI_EXT = 131, /* RFC 2794 */
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MF_CHALLENGE_EXT = 132, /* RFC 3012 */
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OLD_NVSE_EXT = 133, /* RFC 3115 */
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NVSE_EXT = 134, /* RFC 3115 */
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REV_SUPP_EXT = 137, /* RFC 3543 */
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DYN_HA_EXT = 139, /* RFC 4433 */
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UDP_TUN_REQ_EXT = 144, /* RFC 3519 */
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MSG_STR_EXT = 145,
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PMIPv4_SKIP_EXT = 147, /* draft-leung-mip4-proxy-mode */
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SKIP_EXP_EXT = 255, /* RFC 4064 */
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GRE_KEY_EXT = 0x0401
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} MIP_EXTS;
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static const value_string mip_ext_types[]= {
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{MH_AUTH_EXT, "Mobile-Home Authentication Extension"},
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{MF_AUTH_EXT, "Mobile-Foreign Authentication Extension"},
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{FH_AUTH_EXT, "Foreign-Home Authentication Extension"},
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{GEN_AUTH_EXT, "Generalized Mobile-IP Authentication Extension"},
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{OLD_CVSE_EXT, "Critical Vendor/Organization Specific Extension"},
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{CVSE_EXT, "Critical Vendor/Organization Specific Extension"},
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{UDP_TUN_REP_EXT, "UDP Tunnel Reply Extension"},
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{MIP_FA_ERROR_EXT, "FA Error Extension"},
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{MIP_GFA_IP_ADDR_EXT, "GFA IP Address Extension"},
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{PMIPv4_NON_SKIP_EXT, "Proxy Mobile IPv4 Non-skippable Extension"},
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{128, "Deprecated (2001 Aug 31)"},
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{129, "SKIP Firewall Traversal Extension"}, /*[RFC2356]*/
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{130, "Encapsulating Delivery Style Extension"}, /*[RFC3024]*/
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{MN_NAI_EXT, "Mobile Node NAI Extension"},
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{MF_CHALLENGE_EXT, "MN-FA Challenge Extension"},
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{OLD_NVSE_EXT, "Normal Vendor/Organization Specific Extension"},
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{NVSE_EXT, "Normal Vendor/Organization Specific Extension"},
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{136, "NAI Carrying Extension"}, /*[RFC3846]*/
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{REV_SUPP_EXT, "Revocation Support Extension"},
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{138, "Generalized Link Layer Address Registration Extension"}, /*[RFC4881]*/
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{DYN_HA_EXT, "Dynamic HA Extension"},
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{140, "Hierarchical Foreign Agent Extension"}, /*[RFC4857]*/
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{141, "Replay Protection Style"}, /*[RFC4857]*/
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{142, "Regional Registration Lifetime Extension"}, /*[RFC4857]*/
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{UDP_TUN_REQ_EXT, "UDP Tunnel Request Extension"},
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{MSG_STR_EXT, "Message String Extension"},
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{PMIPv4_SKIP_EXT, "Proxy Mobile IPv4 Skippable Extension"},
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{148, "Mobile Network Extension"}, /*[RFC5177]*/
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{149, "Trusted Networks Configured (TNC) Extension"}, /*[RFC5265]*/
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{150, "Reserved"},
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{151, "Service Selection Extension"}, /*[RFC5446]*/
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{152, "Dual Stack (DSMIPv4) Extension"}, /*[RFC5454]*/
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{SKIP_EXP_EXT, "Skippable Extension for Experimental use"},
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{0, NULL}
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};
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static const value_string mip_gaext_stypes[]= {
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{1, "MN-AAA Authentication"},
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{2, "FA-FA Authentication"},
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{3, "MN-GFA Authentication"},
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{4, "MN-PAR Auth Extension"},
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{0, NULL}
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};
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/* UDP Tunnel Reply Extension: */
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static const value_string mip_utrpext_stypes[]= {
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{0, "Regular UDP Tunnel Reply Extension"},
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{0, NULL}
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};
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/* Dynamic HA Extension subtypes */
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static const value_string mip_dhaext_stypes[]= {
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{1, "Requested HA Extension"},
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{2, "Redirected HA Extension"},
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{0, NULL}
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};
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static const value_string mip_mstrext_stypes[]= {
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{1, "HA Extension"},
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{2, "FA Extension"},
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{0, NULL}
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};
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static const value_string mip_utrqext_stypes[]= {
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{0, ""},
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{0, NULL}
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};
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static const value_string mip_utrqext_encap_types[]= {
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{4, "IP Header"},
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{47, "GRE Header"},
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{55, "Minimal IP Encapsulation Header"},
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{0, NULL}
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};
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static const value_string mip_utrpext_codes[]= {
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{0, "Will do Tunneling"},
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{64, "Tunneling Declined, Reason Unspecified"},
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{0, NULL}
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};
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static const value_string mip_pmipv4nonskipext_stypes[]= {
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{0, "Unknown"},
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{1, "Per-Node Authentication Method"},
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{0, NULL}
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};
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/* PMIPv4 Per-Node Authentication Method Types */
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static const value_string mip_pmipv4nonskipext_pernodeauthmethod_types[]= {
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{0, "Reserved"},
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{1, "FA-HA Authentication"},
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{2, "IPSec Authentication"},
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{0, NULL}
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};
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#define PMIPv4_SKIPEXT_STYPE_INTERFACE_ID (1)
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#define PMIPv4_SKIPEXT_STYPE_DEVICE_ID (2)
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#define PMIPv4_SKIPEXT_STYPE_SUBSCRIBER_ID (3)
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#define PMIPv4_SKIPEXT_STYPE_ACCESS_TECHNOLOGY (4)
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static const value_string mip_pmipv4skipext_stypes[]= {
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{0, "Unknown"},
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{PMIPv4_SKIPEXT_STYPE_INTERFACE_ID, "Interface ID"},
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{PMIPv4_SKIPEXT_STYPE_DEVICE_ID, "Device ID"},
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{PMIPv4_SKIPEXT_STYPE_SUBSCRIBER_ID, "Subscriber ID"},
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{PMIPv4_SKIPEXT_STYPE_ACCESS_TECHNOLOGY, "Access Technology Type"},
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{0, NULL}
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};
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/* PMIPv4 Device ID Types */
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static const value_string mip_pmipv4skipext_deviceid_types[]= {
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{0, "Reserved"},
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{1, "Ethernet MAC address"},
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{2, "Mobile Equipment Identifier (MEID)"},
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{3, "International Mobile Equipment Identity (IMEI)"},
|
|
{4, "Electronic Serial Number (ESN)"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* PMIPv4 Subscriber ID Types */
|
|
static const value_string mip_pmipv4skipext_subscriberid_types[]= {
|
|
{0, "Reserved"},
|
|
{1, "International Mobile Subscriber Identity (IMSI)"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* Access Technology Types */
|
|
static const value_string mip_pmipv4skipext_accesstechnology_types[]= {
|
|
{0, "Reserved"},
|
|
{1, "802.3"},
|
|
{2, "802.11a/b/g"},
|
|
{3, "802.16e"},
|
|
{4, "802.16m"},
|
|
{5, "3GPP EUTRAN/LTE"},
|
|
{6, "3GPP UTRAN/GERAN"},
|
|
{7, "3GPP2 1xRTT/HRPD"},
|
|
{8, "3GPP2 UMB"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string mip_cvse_verizon_cvse_types[]= {
|
|
{0, "Reserved"},
|
|
{1, "MIP Key Request"},
|
|
{2, "MIP Key Data"},
|
|
{3, "AAA Authenticator"},
|
|
{4, "Public Key Invalid"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/*http://www.3gpp2.org/public_html/X/VSA-VSE.cfm*/
|
|
#if 0
|
|
static const value_string mip_cvse_3gpp2_cvse_types[]= {
|
|
{257, "Accounting/Radius"},
|
|
{258, "Accounting/Diameter"},
|
|
{513, "Accounting/Diameter"},
|
|
{769, "Data Available Indicator/Data Ready to Send"},
|
|
{1025,"GRE Key"},
|
|
{1281, "Binding Type Extension"},
|
|
{1537, "GRE Tunnel Endpoint Extension"},
|
|
{0, NULL}
|
|
};
|
|
#endif
|
|
|
|
|
|
static const value_string mip_nvse_3gpp2_type_vals[]= {
|
|
{16, "PPP Link Indicator"}, /* X.S0011-003-C v1.0 */
|
|
{17, "DNS server IP address"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string mip_nvse_3gpp2_type17_entity_vals[]= {
|
|
{0, "Unknown"},
|
|
{1, "HAAA"},
|
|
{2, "VAAA"},
|
|
{3, "HA"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string mip_nvse_3gpp2_type17_vals[]= {
|
|
{0, "main service instance"},
|
|
{1, "negotiate PPP"},
|
|
{2, "do not negotiate PPP"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static dissector_handle_t ip_handle;
|
|
|
|
/* Code to dissect 3GPP2 extensions */
|
|
|
|
static int
|
|
dissect_mip_priv_ext_3gpp2(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
|
|
{
|
|
int offset = 0;
|
|
guint16 type;
|
|
int length = tvb_reported_length(tvb);
|
|
|
|
type = tvb_get_ntohs(tvb,offset);
|
|
proto_tree_add_item(tree, hf_mip_nvse_3gpp2_type, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset+=2;
|
|
|
|
switch(type){
|
|
case 16: /* PPP Link Indicator X.S0011-003-C v1.0 */
|
|
proto_tree_add_item(tree, hf_mip_nvse_3gpp2_type16_value, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 17: /* DNS server IP address X.S0011-002-C v3.0*/
|
|
/* Entity-Type */
|
|
proto_tree_add_item(tree, hf_mip_nvse_3gpp2_type17_entity, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* Sub-Type1 */
|
|
proto_tree_add_item(tree, hf_mip_nvse_3gpp2_type17_subtype1, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* Length */
|
|
proto_tree_add_item(tree, hf_mip_nvse_3gpp2_type17_length, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* DNS server IP address */
|
|
proto_tree_add_item(tree, hf_mip_nvse_3gpp2_type17_prim_dns, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset+=4;
|
|
/* Sub-Type2 */
|
|
proto_tree_add_item(tree, hf_mip_nvse_3gpp2_type17_subtype2, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* Length */
|
|
proto_tree_add_item(tree, hf_mip_nvse_3gpp2_type17_length, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* DNS server IP address.*/
|
|
proto_tree_add_item(tree, hf_mip_nvse_3gpp2_type17_sec_dns, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
proto_tree_add_expert(tree, pinfo, &ei_mip_data_not_dissected, tvb, offset, -1);
|
|
break;
|
|
}
|
|
|
|
return length;
|
|
}
|
|
|
|
/* Code to dissect extensions */
|
|
static void
|
|
dissect_mip_extensions( tvbuff_t *tvb, int offset, proto_tree *tree, packet_info *pinfo)
|
|
{
|
|
proto_tree *exts_tree=NULL;
|
|
proto_tree *ext_tree;
|
|
proto_tree *pmipv4_tree;
|
|
gint ext_len;
|
|
guint8 ext_type;
|
|
guint8 ext_subtype=0;
|
|
guint8 pmipv4skipext_subscriberid_type;
|
|
gint hdrLen;
|
|
guint32 cvse_vendor_id;
|
|
guint16 cvse_3gpp2_type;
|
|
int cvse_local_offset= 0;
|
|
int nvse_local_offset= 0;
|
|
|
|
/* Add our tree, if we have extensions */
|
|
exts_tree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_mip_exts, NULL, "Extensions");
|
|
|
|
/* And, handle each extension */
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
|
|
/* Get our extension info */
|
|
ext_type = tvb_get_guint8(tvb, offset);
|
|
if (ext_type == GEN_AUTH_EXT || ext_type == PMIPv4_NON_SKIP_EXT) {
|
|
/*
|
|
* Very nasty . . breaks normal extensions, since the length is
|
|
* in the wrong place :(
|
|
*/
|
|
ext_subtype = tvb_get_guint8(tvb, offset + 1);
|
|
ext_len = tvb_get_ntohs(tvb, offset + 2);
|
|
hdrLen = 4;
|
|
}
|
|
else if(ext_type==CVSE_EXT){
|
|
/*
|
|
* CVSE also breaks since it added reserved field before
|
|
* the length field
|
|
*/
|
|
ext_len = tvb_get_ntohs(tvb, offset + 2);
|
|
hdrLen = 4;
|
|
}
|
|
else {
|
|
ext_len = tvb_get_guint8(tvb, offset + 1);
|
|
hdrLen = 2;
|
|
}
|
|
|
|
ext_tree = proto_tree_add_subtree_format(exts_tree, tvb, offset, ext_len + hdrLen,
|
|
ett_mip_ext, NULL, "Extension: %s",
|
|
val_to_str(ext_type, mip_ext_types,
|
|
"Unknown Extension %u"));
|
|
|
|
proto_tree_add_uint(ext_tree, hf_mip_ext_type, tvb, offset, 1, ext_type);
|
|
offset++;
|
|
if (ext_type != GEN_AUTH_EXT &&
|
|
ext_type != PMIPv4_NON_SKIP_EXT &&
|
|
ext_type != CVSE_EXT) {
|
|
/* Another nasty hack since GEN_AUTH_EXT and PMIPv4_NON_SKIP_EXT broke everything */
|
|
proto_tree_add_uint(ext_tree, hf_mip_ext_len, tvb, offset, 1, ext_len);
|
|
offset++;
|
|
}
|
|
|
|
switch (ext_type) {
|
|
case MH_AUTH_EXT:
|
|
case MF_AUTH_EXT:
|
|
case FH_AUTH_EXT:
|
|
/* All these extensions look the same. 4 byte SPI followed by a key */
|
|
proto_tree_add_item(ext_tree, hf_mip_aext_spi, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree, hf_mip_aext_auth, tvb, offset+4, ext_len-4, ENC_NA);
|
|
break;
|
|
case MN_NAI_EXT:
|
|
proto_tree_add_item(ext_tree, hf_mip_next_nai, tvb, offset,
|
|
ext_len, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case GEN_AUTH_EXT: /* RFC 3012 */
|
|
/*
|
|
* Very nasty . . breaks normal extensions, since the length is
|
|
* in the wrong place :(
|
|
*/
|
|
proto_tree_add_uint(ext_tree, hf_mip_gaext_stype, tvb, offset, 1, ext_subtype);
|
|
offset++;
|
|
proto_tree_add_uint(ext_tree, hf_mip_ext_len, tvb, offset, 2, ext_len);
|
|
offset+=2;
|
|
/* SPI */
|
|
proto_tree_add_item(ext_tree, hf_mip_aext_spi, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
/* Key */
|
|
proto_tree_add_item(ext_tree, hf_mip_aext_auth, tvb, offset + 4,
|
|
ext_len - 4, ENC_NA);
|
|
|
|
break;
|
|
case REV_SUPP_EXT: /* RFC 3543 */
|
|
{
|
|
/* flags */
|
|
static const int * flags[] = {
|
|
&hf_mip_rext_i,
|
|
&hf_mip_rext_reserved,
|
|
NULL
|
|
};
|
|
|
|
proto_tree_add_bitmask(ext_tree, tvb, offset, hf_mip_rext_flags, ett_mip_flags, flags, ENC_BIG_ENDIAN);
|
|
|
|
/* registration revocation timestamp */
|
|
proto_tree_add_item(ext_tree, hf_mip_rext_tstamp, tvb, offset + 2, 4, ENC_BIG_ENDIAN);
|
|
}
|
|
break;
|
|
case DYN_HA_EXT: /* RFC 4433 */
|
|
/* subtype */
|
|
proto_tree_add_item(ext_tree, hf_mip_dhaext_stype, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* Home Agent */
|
|
proto_tree_add_item(ext_tree, hf_mip_dhaext_addr, tvb, offset + 1, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case MSG_STR_EXT:
|
|
/* sub-type */
|
|
proto_tree_add_item(ext_tree, hf_mip_mstrext_stype, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* text */
|
|
proto_tree_add_item(ext_tree, hf_mip_mstrext_text, tvb, offset + 1, ext_len-1, ENC_ASCII|ENC_NA);
|
|
break;
|
|
case UDP_TUN_REQ_EXT: /* RFC 3519 */
|
|
{
|
|
static const int * flags[] = {
|
|
&hf_mip_utrqext_f,
|
|
&hf_mip_utrqext_r,
|
|
&hf_mip_utrqext_reserved2,
|
|
NULL
|
|
};
|
|
|
|
/* sub-type */
|
|
proto_tree_add_item(ext_tree, hf_mip_utrqext_stype, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* reserved 1 */
|
|
proto_tree_add_item(ext_tree, hf_mip_utrqext_reserved1, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* flags */
|
|
proto_tree_add_bitmask(ext_tree, tvb, offset + 2, hf_mip_utrqext_flags, ett_mip_flags, flags, ENC_BIG_ENDIAN);
|
|
|
|
/* encapsulation */
|
|
proto_tree_add_item(ext_tree, hf_mip_utrqext_encap_type, tvb, offset + 3, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* reserved 3 */
|
|
proto_tree_add_item(ext_tree, hf_mip_utrqext_reserved3, tvb, offset + 4, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
break;
|
|
case UDP_TUN_REP_EXT: /* RFC 3519 */
|
|
{
|
|
static const int * flags[] = {
|
|
&hf_mip_utrpext_f,
|
|
&hf_mip_utrpext_reserved,
|
|
NULL
|
|
};
|
|
/* sub-type */
|
|
proto_tree_add_item(ext_tree, hf_mip_utrpext_stype, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* code */
|
|
proto_tree_add_item(ext_tree, hf_mip_utrpext_code, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* flags */
|
|
proto_tree_add_bitmask(ext_tree, tvb, offset + 2, hf_mip_utrpext_flags, ett_mip_flags, flags, ENC_BIG_ENDIAN);
|
|
|
|
/* keepalive interval */
|
|
proto_tree_add_item(ext_tree, hf_mip_utrpext_keepalive, tvb, offset + 4, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
break;
|
|
case PMIPv4_NON_SKIP_EXT: /* draft-leung-mip4-proxy-mode */
|
|
/* sub-type */
|
|
proto_tree_add_uint(ext_tree, hf_mip_pmipv4nonskipext_stype, tvb, offset, 1, ext_subtype);
|
|
offset++;
|
|
/* len */
|
|
proto_tree_add_uint(ext_tree, hf_mip_ext_len, tvb, offset, 2, ext_len);
|
|
offset+=2;
|
|
if(ext_subtype == 1){
|
|
/* Sub-type == 1 : PMIPv4 Per-Node Authentication Method */
|
|
proto_tree_add_item(ext_tree, hf_mip_pmipv4nonskipext_pernodeauthmethod, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
break;
|
|
case PMIPv4_SKIP_EXT: /* draft-leung-mip4-proxy-mode */
|
|
/* sub-type */
|
|
ext_subtype = tvb_get_guint8(tvb, offset);
|
|
pmipv4_tree = proto_tree_add_subtree_format(ext_tree, tvb, offset, ext_len,
|
|
ett_mip_pmipv4_ext, NULL, "PMIPv4 Sub-Type: %s",
|
|
val_to_str(ext_subtype, mip_pmipv4skipext_stypes, "Unknown Sub-Type %u"));
|
|
proto_tree_add_uint(pmipv4_tree, hf_mip_pmipv4skipext_stype, tvb, offset, 1, ext_subtype);
|
|
|
|
if (ext_subtype == PMIPv4_SKIPEXT_STYPE_INTERFACE_ID) {
|
|
proto_tree_add_item(pmipv4_tree, hf_mip_pmipv4skipext_interfaceid, tvb, offset + 1, ext_len-1, ENC_NA);
|
|
} else if (ext_subtype == PMIPv4_SKIPEXT_STYPE_DEVICE_ID) {
|
|
proto_tree_add_item(pmipv4_tree, hf_mip_pmipv4skipext_deviceid_type, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(pmipv4_tree, hf_mip_pmipv4skipext_deviceid_id, tvb, offset + 2, ext_len - 2, ENC_NA);
|
|
} else if (ext_subtype == PMIPv4_SKIPEXT_STYPE_SUBSCRIBER_ID) {
|
|
pmipv4skipext_subscriberid_type = tvb_get_guint8(tvb, offset + 1);
|
|
proto_tree_add_uint(pmipv4_tree, hf_mip_pmipv4skipext_subscriberid_type, tvb, offset + 1, 1, pmipv4skipext_subscriberid_type);
|
|
if (pmipv4skipext_subscriberid_type == 1) {
|
|
proto_tree_add_item(pmipv4_tree, hf_mip_pmipv4skipext_subscriberid_id, tvb, offset + 2, ext_len - 2, ENC_NA);
|
|
}
|
|
} else if (ext_subtype == PMIPv4_SKIPEXT_STYPE_ACCESS_TECHNOLOGY) {
|
|
proto_tree_add_item(pmipv4_tree, hf_mip_pmipv4skipext_accesstechnology_type, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
break;
|
|
|
|
case OLD_CVSE_EXT: /* RFC 3115 */
|
|
case CVSE_EXT: /* RFC 3115 */
|
|
/*
|
|
* Very nasty . . breaks normal extensions, since the length is
|
|
* in the wrong place :(
|
|
*/
|
|
proto_tree_add_item(ext_tree, hf_mip_cvse_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_uint(ext_tree, hf_mip_ext_len, tvb, offset, 2, ext_len);
|
|
offset+=2;
|
|
/* Vendor/Org ID */
|
|
/*Vendor ID & cvse type & cvse value are included in ext_len, so do not increment offset for them here.*/
|
|
cvse_local_offset = offset;
|
|
proto_tree_add_item(ext_tree, hf_mip_cvse_vendor_org_id, tvb, cvse_local_offset, 4, ENC_BIG_ENDIAN);
|
|
cvse_vendor_id = tvb_get_ntohl(tvb, cvse_local_offset);
|
|
cvse_local_offset+=4;
|
|
/*Vendor CVSE Type*/
|
|
if( cvse_vendor_id == VENDOR_VERIZON ){
|
|
/*Verizon CVSE type*/
|
|
proto_tree_add_item(ext_tree, hf_mip_cvse_verizon_cvse_type, tvb, cvse_local_offset, 2, ENC_BIG_ENDIAN);
|
|
}else if( cvse_vendor_id == VENDOR_THE3GPP2 ){
|
|
/*THE3GPP2 CVSE type*/
|
|
proto_tree_add_item(ext_tree, hf_mip_cvse_3gpp2_cvse_type, tvb, cvse_local_offset, 2, ENC_BIG_ENDIAN);
|
|
cvse_3gpp2_type = tvb_get_ntohs(tvb, cvse_local_offset);
|
|
/* XXX: THE3GPP2 CVSE type is followed by a 2 byte length field ? - No ?*/
|
|
/* ... */
|
|
/* THE3GPP2 CVSE Value http://www.3gpp2.org/public_html/X/VSA-VSE.cfm X.S0011
|
|
* http://www.3gpp2.org/Public_html/specs/X.S0011-002-E_v1.0_091116.pdf Chapter 4.1.4 GRE CVSE
|
|
*/
|
|
if(cvse_3gpp2_type == GRE_KEY_EXT){
|
|
proto_tree_add_item(ext_tree, hf_mip_cvse_3gpp2_grekey, tvb, cvse_local_offset + 2, ext_len - 6, ENC_BIG_ENDIAN);
|
|
}
|
|
}else{
|
|
/*CVSE Type of Other vendor, just show raw numbers currently*/
|
|
proto_tree_add_item(ext_tree, hf_mip_cvse_vendor_cvse_type, tvb, cvse_local_offset, 2, ENC_BIG_ENDIAN);
|
|
/* Vendor CVSE Type+Vendor/Org ID = 6 bytes*/
|
|
proto_tree_add_item(ext_tree, hf_mip_cvse_vendor_cvse_value, tvb, cvse_local_offset + 2, ext_len - 6, ENC_NA);
|
|
}
|
|
break;
|
|
|
|
case OLD_NVSE_EXT: /* RFC 3115 */
|
|
case NVSE_EXT: /* RFC 3115 */
|
|
{
|
|
guint32 nvse_vendor_org_id;
|
|
tvbuff_t *next_tvb;
|
|
|
|
proto_tree_add_item(ext_tree, hf_mip_nvse_reserved, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
/* Vendor/Org ID */
|
|
/*Vendor ID & nvse type & nvse value are included in ext_len, so do not increment offset for them here.*/
|
|
nvse_local_offset = offset + hdrLen;
|
|
nvse_vendor_org_id = tvb_get_ntohl(tvb, nvse_local_offset);
|
|
proto_tree_add_item(ext_tree, hf_mip_nvse_vendor_org_id, tvb, nvse_local_offset, 4, ENC_BIG_ENDIAN);
|
|
nvse_local_offset+=4;
|
|
|
|
next_tvb = tvb_new_subset_length(tvb, nvse_local_offset, ext_len-6);
|
|
if (!dissector_try_uint(mip_nvse_ext_dissector_table, nvse_vendor_org_id, next_tvb, pinfo, ext_tree)){
|
|
|
|
/*Vendor NVSE Type*/
|
|
proto_tree_add_item(ext_tree, hf_mip_nvse_vendor_nvse_type, tvb, nvse_local_offset, 2, ENC_BIG_ENDIAN);
|
|
nvse_local_offset+=2;
|
|
|
|
/* Vendor-NVSE-Value */
|
|
proto_tree_add_item(ext_tree, hf_mip_nvse_vendor_nvse_value, tvb, nvse_local_offset, ext_len - 8, ENC_NA);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case MF_CHALLENGE_EXT: /* RFC 3012 */
|
|
/* The default dissector is good here. The challenge is all hex anyway. */
|
|
default:
|
|
proto_tree_add_item(ext_tree, hf_mip_ext, tvb, offset, ext_len, ENC_NA);
|
|
break;
|
|
} /* ext type */
|
|
|
|
offset += ext_len;
|
|
} /* while data remaining */
|
|
|
|
} /* dissect_mip_extensions */
|
|
|
|
/* Code to actually dissect the packets */
|
|
static int
|
|
dissect_mip( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
/* Set up structures we will need to add the protocol subtree and manage it */
|
|
proto_item *ti;
|
|
proto_tree *mip_tree=NULL;
|
|
guint8 type;
|
|
gint offset=0;
|
|
tvbuff_t *next_tvb;
|
|
|
|
/* Make entries in Protocol column and Info column on summary display */
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "MobileIP");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
type = tvb_get_guint8(tvb, offset);
|
|
switch (type) {
|
|
case MIP_REGISTRATION_REQUEST:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO,
|
|
"Reg Request: HoA=%s HA=%s CoA=%s",
|
|
tvb_ip_to_str(tvb, 4),
|
|
tvb_ip_to_str(tvb, 8),
|
|
tvb_ip_to_str(tvb, 12));
|
|
|
|
if (tree) {
|
|
static const int * flags[] = {
|
|
&hf_mip_s,
|
|
&hf_mip_b,
|
|
&hf_mip_d,
|
|
&hf_mip_m,
|
|
&hf_mip_g,
|
|
&hf_mip_v,
|
|
&hf_mip_t,
|
|
&hf_mip_x,
|
|
NULL
|
|
};
|
|
|
|
ti = proto_tree_add_item(tree, proto_mip, tvb, offset, -1, ENC_NA);
|
|
mip_tree = proto_item_add_subtree(ti, ett_mip);
|
|
|
|
/* type */
|
|
proto_tree_add_uint(mip_tree, hf_mip_type, tvb, offset, 1, type);
|
|
offset++;
|
|
|
|
/* flags */
|
|
proto_tree_add_bitmask(mip_tree, tvb, offset, hf_mip_flags, ett_mip_flags, flags, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* lifetime */
|
|
proto_tree_add_item(mip_tree, hf_mip_life, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* home address */
|
|
proto_tree_add_item(mip_tree, hf_mip_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* home agent address */
|
|
proto_tree_add_item(mip_tree, hf_mip_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* Care of Address */
|
|
proto_tree_add_item(mip_tree, hf_mip_coa, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* Identifier - assumed to be an NTP time here */
|
|
proto_tree_add_item(mip_tree, hf_mip_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
|
|
offset += 8;
|
|
|
|
} /* if tree */
|
|
break;
|
|
case MIP_REGISTRATION_REPLY:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO,
|
|
"Reg Reply: HoA=%s HA=%s, Code=%u",
|
|
tvb_ip_to_str(tvb, 4),
|
|
tvb_ip_to_str(tvb, 8),
|
|
tvb_get_guint8(tvb,1));
|
|
|
|
if (tree) {
|
|
/* Add Subtree */
|
|
ti = proto_tree_add_item(tree, proto_mip, tvb, offset, -1, ENC_NA);
|
|
mip_tree = proto_item_add_subtree(ti, ett_mip);
|
|
|
|
/* Type */
|
|
proto_tree_add_uint(mip_tree, hf_mip_type, tvb, offset, 1, type);
|
|
offset++;
|
|
|
|
/* Reply Code */
|
|
proto_tree_add_item(mip_tree, hf_mip_code, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Registration Lifetime */
|
|
proto_tree_add_item(mip_tree, hf_mip_life, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Home address */
|
|
proto_tree_add_item(mip_tree, hf_mip_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* Home Agent Address */
|
|
proto_tree_add_item(mip_tree, hf_mip_haaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* Identifier - assumed to be an NTP time here */
|
|
proto_tree_add_item(mip_tree, hf_mip_ident, tvb, offset, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
|
|
offset += 8;
|
|
} /* if tree */
|
|
break;
|
|
case MIP_NATT_TUNNEL_DATA:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Tunnel Data: Next Header=%u",
|
|
tvb_get_guint8(tvb,1));
|
|
|
|
if (tree) {
|
|
/* Add Subtree */
|
|
ti = proto_tree_add_item(tree, proto_mip, tvb, offset, -1, ENC_NA);
|
|
mip_tree = proto_item_add_subtree(ti, ett_mip);
|
|
|
|
/* Type */
|
|
proto_tree_add_uint(mip_tree, hf_mip_type, tvb, offset, 1, type);
|
|
offset++;
|
|
|
|
/* Next Header */
|
|
proto_tree_add_item(mip_tree, hf_mip_nattt_nexthdr, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* reserved */
|
|
proto_tree_add_item(mip_tree, hf_mip_nattt_reserved, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
} /* if tree */
|
|
else {
|
|
offset += 4;
|
|
}
|
|
/* encapsulated payload */
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_dissector(ip_handle, next_tvb, pinfo, mip_tree);
|
|
offset = tvb_reported_length(tvb);
|
|
break;
|
|
case MIP_REGISTRATION_REVOCATION:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO,
|
|
"Reg Revocation: HoA=%s HDA=%s FDA=%s",
|
|
tvb_ip_to_str(tvb, 4),
|
|
tvb_ip_to_str(tvb, 8),
|
|
tvb_ip_to_str(tvb, 12));
|
|
|
|
if (tree) {
|
|
static const int * mip_flags[] = {
|
|
&hf_mip_rev_a,
|
|
&hf_mip_rev_i,
|
|
&hf_mip_rev_reserved2,
|
|
NULL
|
|
};
|
|
|
|
ti = proto_tree_add_item(tree, proto_mip, tvb, offset, -1, ENC_NA);
|
|
mip_tree = proto_item_add_subtree(ti, ett_mip);
|
|
|
|
/* type */
|
|
proto_tree_add_uint(mip_tree, hf_mip_type, tvb, offset, 1, type);
|
|
offset++;
|
|
|
|
/* reserved */
|
|
proto_tree_add_item(mip_tree, hf_mip_rev_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* flags */
|
|
proto_tree_add_bitmask(mip_tree, tvb, offset, hf_mip_flags2, ett_mip_flags, mip_flags, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* home address */
|
|
proto_tree_add_item(mip_tree, hf_mip_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* home domain address */
|
|
proto_tree_add_item(mip_tree, hf_mip_hda, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* foreign domain address */
|
|
proto_tree_add_item(mip_tree, hf_mip_fda, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* revocation identifier */
|
|
proto_tree_add_item(mip_tree, hf_mip_revid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
} /* if tree */
|
|
break;
|
|
case MIP_REGISTRATION_REVOCATION_ACK:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Reg Revocation Ack: HoA=%s",
|
|
tvb_ip_to_str(tvb, 4));
|
|
|
|
if (tree) {
|
|
static const int * mip_flags[] = {
|
|
&hf_mip_ack_i,
|
|
&hf_mip_ack_reserved2,
|
|
NULL
|
|
};
|
|
|
|
ti = proto_tree_add_item(tree, proto_mip, tvb, offset, -1, ENC_NA);
|
|
mip_tree = proto_item_add_subtree(ti, ett_mip);
|
|
|
|
/* type */
|
|
proto_tree_add_uint(mip_tree, hf_mip_type, tvb, offset, 1, type);
|
|
offset++;
|
|
|
|
/* reserved */
|
|
proto_tree_add_item(mip_tree, hf_mip_ack_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* flags */
|
|
proto_tree_add_bitmask(mip_tree, tvb, offset, hf_mip_flags2, ett_mip_flags, mip_flags, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* home address */
|
|
proto_tree_add_item(mip_tree, hf_mip_homeaddr, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* revocation identifier */
|
|
proto_tree_add_item(mip_tree, hf_mip_revid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
} /* if tree */
|
|
break;
|
|
} /* End switch */
|
|
|
|
if (tvb_reported_length_remaining(tvb, offset) > 0)
|
|
dissect_mip_extensions(tvb, offset, mip_tree, pinfo);
|
|
|
|
return tvb_captured_length(tvb);
|
|
} /* dissect_mip */
|
|
|
|
/* Register the protocol with Wireshark */
|
|
void proto_register_mip(void)
|
|
{
|
|
|
|
/* Setup list of header fields */
|
|
static hf_register_info hf[] = {
|
|
{ &hf_mip_type,
|
|
{ "Message Type", "mip.type",
|
|
FT_UINT8, BASE_DEC, VALS(mip_types), 0,
|
|
"Mobile IP Message type.", HFILL }
|
|
},
|
|
{ &hf_mip_flags,
|
|
{"Flags", "mip.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_mip_s,
|
|
{"Simultaneous Bindings", "mip.s",
|
|
FT_BOOLEAN, 8, NULL, 128,
|
|
"Simultaneous Bindings Allowed", HFILL }
|
|
},
|
|
{ &hf_mip_b,
|
|
{"Broadcast Datagrams", "mip.b",
|
|
FT_BOOLEAN, 8, NULL, 64,
|
|
"Broadcast Datagrams requested", HFILL }
|
|
},
|
|
{ &hf_mip_d,
|
|
{ "Co-located Care-of Address", "mip.d",
|
|
FT_BOOLEAN, 8, NULL, 32,
|
|
"MN using Co-located Care-of address", HFILL }
|
|
},
|
|
{ &hf_mip_m,
|
|
{"Minimal Encapsulation", "mip.m",
|
|
FT_BOOLEAN, 8, NULL, 16,
|
|
"MN wants Minimal encapsulation", HFILL }
|
|
},
|
|
{ &hf_mip_g,
|
|
{"GRE", "mip.g",
|
|
FT_BOOLEAN, 8, NULL, 8,
|
|
"MN wants GRE encapsulation", HFILL }
|
|
},
|
|
{ &hf_mip_v,
|
|
{ "Van Jacobson", "mip.v",
|
|
FT_BOOLEAN, 8, NULL, 4,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_t,
|
|
{ "Reverse Tunneling", "mip.t",
|
|
FT_BOOLEAN, 8, NULL, 2,
|
|
"Reverse tunneling requested", HFILL }
|
|
},
|
|
{ &hf_mip_x,
|
|
{ "Reserved", "mip.x",
|
|
FT_BOOLEAN, 8, NULL, 1,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_code,
|
|
{ "Reply Code", "mip.code",
|
|
FT_UINT8, BASE_DEC, VALS(mip_reply_codes), 0,
|
|
"Mobile IP Reply code.", HFILL }
|
|
},
|
|
{ &hf_mip_life,
|
|
{ "Lifetime", "mip.life",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Mobile IP Lifetime.", HFILL }
|
|
},
|
|
{ &hf_mip_homeaddr,
|
|
{ "Home Address", "mip.homeaddr",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"Mobile Node's home address.", HFILL }
|
|
},
|
|
|
|
{ &hf_mip_haaddr,
|
|
{ "Home Agent", "mip.haaddr",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"Home agent IP Address.", HFILL }
|
|
},
|
|
{ &hf_mip_coa,
|
|
{ "Care of Address", "mip.coa",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"Care of Address.", HFILL }
|
|
},
|
|
{ &hf_mip_ident,
|
|
{ "Identification", "mip.ident",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0,
|
|
"MN Identification.", HFILL }
|
|
},
|
|
{ &hf_mip_ext_type,
|
|
{ "Extension Type", "mip.ext.type",
|
|
FT_UINT8, BASE_DEC, VALS(mip_ext_types), 0,
|
|
"Mobile IP Extension Type.", HFILL }
|
|
},
|
|
{ &hf_mip_gaext_stype,
|
|
{ "Gen Auth Ext SubType", "mip.ext.auth.subtype",
|
|
FT_UINT8, BASE_DEC, VALS(mip_gaext_stypes), 0,
|
|
"Mobile IP Auth Extension Sub Type.", HFILL }
|
|
},
|
|
{ &hf_mip_ext_len,
|
|
{ "Extension Length", "mip.ext.len",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Mobile IP Extension Length.", HFILL }
|
|
},
|
|
{ &hf_mip_ext,
|
|
{ "Extension", "mip.extension",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_aext_spi,
|
|
{ "SPI", "mip.auth.spi",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
"Authentication Header Security Parameter Index.", HFILL }
|
|
},
|
|
{ &hf_mip_aext_auth,
|
|
{ "Authenticator", "mip.auth.auth",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
"Authenticator.", HFILL }
|
|
},
|
|
{ &hf_mip_next_nai,
|
|
{ "NAI", "mip.nai",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_rext_flags,
|
|
{"Rev Ext Flags", "mip.ext.rev.flags",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"Revocation Support Extension Flags", HFILL}
|
|
},
|
|
{ &hf_mip_rext_i,
|
|
{ "'I' bit Support", "mip.ext.rev.i",
|
|
FT_BOOLEAN, 16, NULL, 32768,
|
|
"Agent supports Inform bit in Revocation", HFILL }
|
|
},
|
|
{ &hf_mip_rext_reserved,
|
|
{ "Reserved", "mip.ext.rev.reserved",
|
|
FT_UINT16, BASE_HEX, NULL, 0x7fff,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_rext_tstamp,
|
|
{ "Timestamp", "mip.ext.rev.tstamp",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"Revocation Timestamp of Sending Agent", HFILL }
|
|
},
|
|
{ &hf_mip_rev_reserved,
|
|
{ "Reserved", "mip.rev.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_mip_flags2,
|
|
{"Flags", "mip.flags2",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_mip_rev_a,
|
|
{ "Home Agent", "mip.rev.a",
|
|
FT_BOOLEAN, 16, NULL, 32768,
|
|
"Revocation sent by Home Agent", HFILL }
|
|
},
|
|
{ &hf_mip_rev_i,
|
|
{ "Inform", "mip.rev.i",
|
|
FT_BOOLEAN, 16, NULL, 16384,
|
|
"Inform Mobile Node", HFILL }
|
|
},
|
|
|
|
{ &hf_mip_rev_reserved2,
|
|
{ "Reserved", "mip.rev.reserved2",
|
|
FT_UINT16, BASE_HEX, NULL, 0x3fff,
|
|
NULL, HFILL}},
|
|
|
|
{ &hf_mip_hda,
|
|
{ "Home Domain Address", "mip.rev.hda",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"Revocation Home Domain IP Address", HFILL }
|
|
},
|
|
{ &hf_mip_fda,
|
|
{ "Foreign Domain Address", "mip.rev.fda",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"Revocation Foreign Domain IP Address", HFILL }
|
|
},
|
|
{ &hf_mip_revid,
|
|
{ "Revocation Identifier", "mip.revid",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"Revocation Identifier of Initiating Agent", HFILL }
|
|
},
|
|
{ &hf_mip_ack_reserved,
|
|
{ "Reserved", "mip.ack.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_mip_ack_i,
|
|
{ "Inform", "mip.ack.i",
|
|
FT_BOOLEAN, 16, NULL, 32768,
|
|
"Inform Mobile Node", HFILL }
|
|
},
|
|
{ &hf_mip_ack_reserved2,
|
|
{ "Reserved", "mip.ack.reserved2",
|
|
FT_UINT16, BASE_HEX, NULL, 0x7fff,
|
|
NULL, HFILL}},
|
|
|
|
{ &hf_mip_dhaext_stype,
|
|
{ "DynHA Ext SubType", "mip.ext.dynha.subtype",
|
|
FT_UINT8, BASE_DEC, VALS(mip_dhaext_stypes), 0,
|
|
"Dynamic HA Extension Sub-type", HFILL }
|
|
},
|
|
{ &hf_mip_dhaext_addr,
|
|
{ "DynHA Home Agent", "mip.ext.dynha.ha",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"Dynamic Home Agent IP Address", HFILL }
|
|
},
|
|
{ &hf_mip_mstrext_stype,
|
|
{ "MsgStr Ext SubType", "mip.ext.msgstr.subtype",
|
|
FT_UINT8, BASE_DEC, VALS(mip_mstrext_stypes), 0,
|
|
"Message String Extension Sub-type", HFILL }
|
|
},
|
|
{ &hf_mip_mstrext_text,
|
|
{ "MsgStr Text", "mip.ext.msgstr.text",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
"Message String Extension Text", HFILL }
|
|
},
|
|
{ &hf_mip_nattt_nexthdr,
|
|
{ "NATTT NextHeader", "mip.nattt.nexthdr",
|
|
FT_UINT8, BASE_DEC, VALS(mip_nattt_nexthdr), 0,
|
|
"NAT Traversal Tunnel Next Header.", HFILL }
|
|
},
|
|
{ &hf_mip_nattt_reserved,
|
|
{ "Reserved", "mip.nattt.reserved",
|
|
FT_UINT16, BASE_HEX, NULL , 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_utrqext_stype,
|
|
{ "UDP TunReq Ext SubType", "mip.ext.utrq.subtype",
|
|
FT_UINT8, BASE_DEC, VALS(mip_utrqext_stypes), 0,
|
|
"UDP Tunnel Request Extension Sub-type", HFILL }
|
|
},
|
|
{ &hf_mip_utrqext_reserved1,
|
|
{ "Reserved 1", "mip.ext.utrq.reserved1",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_utrqext_flags,
|
|
{ "UDP TunReq Ext Flags", "mip.ext.utrq.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"UDP Tunnel Request Extension Flags", HFILL }
|
|
},
|
|
{ &hf_mip_utrqext_f,
|
|
{ "Req Forced", "mip.ext.utrq.f",
|
|
FT_BOOLEAN, 8, NULL, 128,
|
|
"MN wants to Force UDP Tunneling", HFILL }
|
|
},
|
|
{ &hf_mip_utrqext_r,
|
|
{ "FA Registration Required", "mip.ext.utrq.r",
|
|
FT_BOOLEAN, 8, NULL, 64,
|
|
"Registration through FA Required", HFILL }
|
|
},
|
|
{ &hf_mip_utrqext_reserved2,
|
|
{ "Reserved 2", "mip.ext.utrq.reserved2",
|
|
FT_UINT8, BASE_HEX, NULL, 0x3f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_utrqext_encap_type,
|
|
{ "UDP Encap Type", "mip.ext.utrq.encaptype",
|
|
FT_UINT8, BASE_DEC, VALS(mip_utrqext_encap_types), 0,
|
|
"UDP Encapsulation Type", HFILL }
|
|
},
|
|
{ &hf_mip_utrqext_reserved3,
|
|
{ "Reserved 3", "mip.ext.utrq.reserved3",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_utrpext_stype,
|
|
{ "UDP TunRep Ext SubType", "mip.ext.utrp.subtype",
|
|
FT_UINT8, BASE_DEC, VALS(mip_utrpext_stypes), 0,
|
|
"UDP Tunnel Reply Extension Sub-type", HFILL }
|
|
},
|
|
{ &hf_mip_utrpext_code,
|
|
{ "UDP TunRep Code", "mip.ext.utrp.code",
|
|
FT_UINT8, BASE_DEC, VALS(mip_utrpext_codes), 0,
|
|
"UDP Tunnel Reply Code", HFILL }
|
|
},
|
|
{ &hf_mip_utrpext_flags,
|
|
{ "UDP TunRep Ext Flags", "mip.ext.utrp.flags",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"UDP Tunnel Request Extension Flags", HFILL }
|
|
},
|
|
{ &hf_mip_utrpext_f,
|
|
{ "Rep Forced", "mip.ext.utrp.f",
|
|
FT_BOOLEAN, 16, NULL, 32768,
|
|
"HA wants to Force UDP Tunneling", HFILL }
|
|
},
|
|
{ &hf_mip_utrpext_reserved,
|
|
{ "Reserved", "mip.ext.utrp.reserved",
|
|
FT_UINT16, BASE_HEX, NULL, 0x7fff,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_utrpext_keepalive,
|
|
{ "Keepalive Interval", "mip.ext.utrp.keepalive",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"NAT Keepalive Interval", HFILL }
|
|
},
|
|
{ &hf_mip_pmipv4nonskipext_stype,
|
|
{ "Sub-type", "mip.ext.pmipv4nonskipext.subtype",
|
|
FT_UINT8, BASE_DEC, VALS(mip_pmipv4nonskipext_stypes), 0,
|
|
"PMIPv4 Skippable Extension Sub-type", HFILL }
|
|
},
|
|
{ &hf_mip_pmipv4nonskipext_pernodeauthmethod,
|
|
{ "Per-Node Authentication Method", "mip.ext.pmipv4nonskipext.pernodeauthmethod",
|
|
FT_UINT8, BASE_DEC, VALS(mip_pmipv4nonskipext_pernodeauthmethod_types), 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_pmipv4skipext_stype,
|
|
{ "Sub-type", "mip.ext.pmipv4skipext.subtype",
|
|
FT_UINT8, BASE_DEC, VALS(mip_pmipv4skipext_stypes), 0,
|
|
"PMIPv4 Non-skippable Extension Sub-type", HFILL }
|
|
},
|
|
{ &hf_mip_pmipv4skipext_interfaceid,
|
|
{ "Interface ID", "mip.ext.pmipv4skipext.interfaceid",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_pmipv4skipext_deviceid_type,
|
|
{ "ID-Type", "mip.ext.pmipv4skipext.deviceid_type",
|
|
FT_UINT8, BASE_DEC, VALS(mip_pmipv4skipext_deviceid_types), 0,
|
|
"Device ID-Type", HFILL }
|
|
},
|
|
{ &hf_mip_pmipv4skipext_deviceid_id,
|
|
{ "Identifier", "mip.ext.pmipv4skipext.deviceid_id",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
"Device ID Identifier", HFILL }
|
|
},
|
|
{ &hf_mip_pmipv4skipext_subscriberid_type,
|
|
{ "ID-Type", "mip.ext.pmipv4skipext.subscriberid_type",
|
|
FT_UINT8, BASE_DEC, VALS(mip_pmipv4skipext_subscriberid_types), 0,
|
|
"Subscriber ID-Type", HFILL }
|
|
},
|
|
{ &hf_mip_pmipv4skipext_subscriberid_id,
|
|
{ "Identifier", "mip.ext.pmipv4skipext.subscriberid_id",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
"Subscriber ID Identifier", HFILL }
|
|
},
|
|
{ &hf_mip_pmipv4skipext_accesstechnology_type,
|
|
{ "Access Technology Type", "mip.ext.pmipv4skipext.accesstechnology_type",
|
|
FT_UINT8, BASE_DEC, VALS(mip_pmipv4skipext_accesstechnology_types), 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_cvse_reserved,
|
|
{ "CVSE Reserved", "mip.ext.cvse.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_cvse_vendor_org_id,
|
|
{ "CVSE Vendor/org ID", "mip.ext.cvse.vendor_id",
|
|
FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_cvse_verizon_cvse_type ,
|
|
{ "Verizon CVSE Type", "mip.ext.cvse.verizon_type",
|
|
FT_UINT16, BASE_DEC, VALS(mip_cvse_verizon_cvse_types), 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_cvse_3gpp2_cvse_type ,
|
|
{ "3GPP2 CVSE Type","mip.ext.cvse.3gpp2_type",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_cvse_3gpp2_grekey,
|
|
{ "GRE Key","mip.ext.cvse.3gpp2_grekey",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_cvse_vendor_cvse_type,
|
|
{ "Vendor CVSE Type", "mip.ext.cvse.vendor_type",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_cvse_vendor_cvse_value,
|
|
{ "Vendor CVSE Value", "mip.ext.cvse.vendor_value",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_reserved,
|
|
{ "Reserved", "mip.ext.nvse.reserved",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_vendor_org_id,
|
|
{ "Vendor ID", "mip.ext.nvse.vendor_id",
|
|
FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_vendor_nvse_type ,
|
|
{ "Vendor Type", "mip.ext.nvse.vendor_type",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_vendor_nvse_value ,
|
|
{ "Vendor Value", "mip.ext.nvse.vendor_value",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_3gpp2_type ,
|
|
{ "Type", "mip.ext.nvse.3gpp2.type",
|
|
FT_UINT16, BASE_DEC, VALS(mip_nvse_3gpp2_type_vals), 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_3gpp2_type16_value ,
|
|
{ "value", "mip.ext.nvse.3gpp2.type16.value",
|
|
FT_UINT16, BASE_DEC, VALS(mip_nvse_3gpp2_type17_vals), 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_3gpp2_type17_entity,
|
|
{ "Entity-Type", "mip.ext.nvse.3gpp2.type17.entity",
|
|
FT_UINT8, BASE_DEC, VALS(mip_nvse_3gpp2_type17_entity_vals), 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_3gpp2_type17_subtype1,
|
|
{ "Sub-Type1", "mip.ext.nvse.3gpp2.type17.subtype1",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_3gpp2_type17_length,
|
|
{ "Length", "mip.ext.nvse.3gpp2.type17.length",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_3gpp2_type17_subtype2,
|
|
{ "Sub-Type2", "mip.ext.nvse.3gpp2.type17.subtype2",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_3gpp2_type17_prim_dns,
|
|
{ "Primary DNS", "mip.ext.nvse.3gpp2.type17.prim_dns",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_mip_nvse_3gpp2_type17_sec_dns,
|
|
{ "Secondary DNS", "mip.ext.nvse.3gpp2.type17.sec_dns",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_mip,
|
|
&ett_mip_flags,
|
|
&ett_mip_ext,
|
|
&ett_mip_exts,
|
|
&ett_mip_pmipv4_ext,
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_mip_data_not_dissected, { "mip.data_not_dissected", PI_UNDECODED, PI_WARN, "Data not dissected yet", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_mip;
|
|
|
|
/* Register the protocol name and description */
|
|
proto_mip = proto_register_protocol("Mobile IP", "Mobile IP", "mip");
|
|
|
|
/* Register the dissector by name */
|
|
register_dissector("mip", dissect_mip, proto_mip);
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_mip, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_mip = expert_register_protocol(proto_mip);
|
|
expert_register_field_array(expert_mip, ei, array_length(ei));
|
|
|
|
mip_nvse_ext_dissector_table = register_dissector_table("mip.nvse_ext",
|
|
"MIP Normal Vendor/Organization Specific Extension", FT_UINT32, BASE_DEC, DISSECTOR_TABLE_ALLOW_DUPLICATE);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_mip(void)
|
|
{
|
|
dissector_handle_t mip_handle;
|
|
|
|
mip_handle = find_dissector("mip");
|
|
ip_handle = find_dissector("ip");
|
|
dissector_add_uint("udp.port", UDP_PORT_MIP, mip_handle);
|
|
|
|
/* Register as dissector for 3GPP2 NVSE */
|
|
dissector_add_uint("mip.nvse_ext", VENDOR_THE3GPP2,
|
|
create_dissector_handle(dissect_mip_priv_ext_3gpp2, proto_mip));
|
|
}
|
|
|
|
/*
|
|
* Editor modelines
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 2
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=2 tabstop=8 expandtab:
|
|
* :indentSize=2:tabSize=8:noTabs=true:
|
|
*/
|