From Ville Nuorvala :
adds support for the following RFCs (and RFC-to-be):
- RFC 3519 Mobile IP Traversal of Network Address Translation (NAT) Devices
- RFC 3543 Registration Revocation in Mobile IPv4
- RFC 4433 Mobile IPv4 Dynamic Home Agent (HA) Assignment (including the not
yet published errata about the message extension using the short message
extension format)
- draft-ietf-mip4-message-string-ext Mobile IPv4 Message String Extension
svn path=/trunk/; revision=21948
This commit is contained in:
Sebastien Tandel
parent
3f239a2fc7
commit
028a7cf638
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@ -181,6 +181,8 @@ static int hf_icmp_mip_m = -1;
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static int hf_icmp_mip_g = -1;
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static int hf_icmp_mip_v = -1;
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static int hf_icmp_mip_rt = -1;
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static int hf_icmp_mip_u = -1;
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static int hf_icmp_mip_x = -1;
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static int hf_icmp_mip_reserved = -1;
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static int hf_icmp_mip_coa = -1;
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static int hf_icmp_mip_challenge = -1;
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@ -1497,7 +1499,7 @@ dissect_mip_extensions(tvbuff_t *tvb, size_t offset, proto_tree *tree)
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{
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guint8 type;
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guint8 length;
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guint8 flags;
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guint16 flags;
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proto_item *ti;
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proto_tree *mip_tree=NULL;
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proto_tree *flags_tree=NULL;
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@ -1552,25 +1554,23 @@ dissect_mip_extensions(tvbuff_t *tvb, size_t offset, proto_tree *tree)
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2, FALSE);
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offset+=2;
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/* flags */
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flags = tvb_get_guint8(tvb, offset);
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ti = proto_tree_add_item(mip_tree, hf_icmp_mip_flags, tvb, offset,
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1, FALSE);
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flags = tvb_get_ntohs(tvb, offset);
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ti = proto_tree_add_uint(mip_tree, hf_icmp_mip_flags, tvb, offset, 2, flags);
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flags_tree = proto_item_add_subtree(ti, ett_icmp_mip_flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_r, tvb, offset, 1, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_b, tvb, offset, 1, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_h, tvb, offset, 1, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_f, tvb, offset, 1, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_m, tvb, offset, 1, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_g, tvb, offset, 1, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_v, tvb, offset, 1, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_rt, tvb, offset, 1, flags);
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offset++;
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_r, tvb, offset, 2, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_b, tvb, offset, 2, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_h, tvb, offset, 2, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_f, tvb, offset, 2, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_m, tvb, offset, 2, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_g, tvb, offset, 2, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_v, tvb, offset, 2, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_rt, tvb, offset, 2, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_u, tvb, offset, 2, flags);
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proto_tree_add_boolean(flags_tree, hf_icmp_mip_x, tvb, offset, 2, flags);
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/* Reserved */
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proto_tree_add_item(mip_tree, hf_icmp_mip_reserved, tvb, offset,
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1, FALSE);
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offset++;
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proto_tree_add_uint(flags_tree, hf_icmp_mip_reserved, tvb, offset, 2, flags);
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offset+=2;
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/* COAs */
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numCOAs = (length - 6) / 4;
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@ -2522,44 +2522,52 @@ proto_register_icmp(void)
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"", HFILL}},
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{ &hf_icmp_mip_flags,
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{ "Flags", "icmp.mip.flags", FT_UINT8, BASE_HEX, NULL, 0x0,
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{ "Flags", "icmp.mip.flags", FT_UINT16, BASE_HEX, NULL, 0x0,
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"", HFILL}},
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{ &hf_icmp_mip_r,
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{ "Registration Required", "icmp.mip.r", FT_BOOLEAN, 8, NULL, 128,
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{ "Registration Required", "icmp.mip.r", FT_BOOLEAN, 16, NULL, 32768,
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"Registration with this FA is required", HFILL }},
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{ &hf_icmp_mip_b,
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{ "Busy", "icmp.mip.b", FT_BOOLEAN, 8, NULL, 64,
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{ "Busy", "icmp.mip.b", FT_BOOLEAN, 16, NULL, 16384,
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"This FA will not accept requests at this time", HFILL }},
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{ &hf_icmp_mip_h,
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{ "Home Agent", "icmp.mip.h", FT_BOOLEAN, 8, NULL, 32,
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{ "Home Agent", "icmp.mip.h", FT_BOOLEAN, 16, NULL, 8192,
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"Home Agent Services Offered", HFILL }},
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{ &hf_icmp_mip_f,
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{ "Foreign Agent", "icmp.mip.f", FT_BOOLEAN, 8, NULL, 16,
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{ "Foreign Agent", "icmp.mip.f", FT_BOOLEAN, 16, NULL, 4096,
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"Foreign Agent Services Offered", HFILL }},
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{ &hf_icmp_mip_m,
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{ "Minimal Encapsulation", "icmp.mip.m", FT_BOOLEAN, 8, NULL, 8,
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{ "Minimal Encapsulation", "icmp.mip.m", FT_BOOLEAN, 16, NULL, 2048,
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"Minimal encapsulation tunneled datagram support", HFILL }},
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{ &hf_icmp_mip_g,
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{ "GRE", "icmp.mip.g", FT_BOOLEAN, 8, NULL, 4,
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{ "GRE", "icmp.mip.g", FT_BOOLEAN, 16, NULL, 1024,
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"GRE encapsulated tunneled datagram support", HFILL }},
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{ &hf_icmp_mip_v,
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{ "VJ Comp", "icmp.mip.v", FT_BOOLEAN, 8, NULL, 2,
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{ "VJ Comp", "icmp.mip.v", FT_BOOLEAN, 16, NULL, 512,
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"Van Jacobson Header Compression Support", HFILL }},
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{ &hf_icmp_mip_rt,
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{ "Reverse tunneling", "icmp.mip.rt", FT_BOOLEAN, 8, NULL, 1,
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{ "Reverse tunneling", "icmp.mip.rt", FT_BOOLEAN, 16, NULL, 256,
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"Reverse tunneling support", HFILL }},
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{ &hf_icmp_mip_u,
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{ "UDP tunneling", "icmp.mip.u", FT_BOOLEAN, 16, NULL, 128,
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"UDP tunneling support", HFILL }},
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{ &hf_icmp_mip_x,
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{ "Revocation support", "icmp.mip.x", FT_BOOLEAN, 16, NULL, 64,
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"Registration revocation support", HFILL }},
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{ &hf_icmp_mip_reserved,
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{ "Reserved", "icmp.mip.reserved", FT_UINT8, BASE_HEX, NULL, 0x0,
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{ "Reserved", "icmp.mip.reserved", FT_UINT16, BASE_HEX, NULL, 0x003f,
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"", HFILL}},
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{ &hf_icmp_mip_coa,
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@ -1,6 +1,7 @@
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/* 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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*
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* $Id$
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*
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@ -48,6 +49,7 @@ 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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@ -55,12 +57,46 @@ 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_ext_stype = -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_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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/* Initialize the subtree pointers */
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static gint ett_mip = -1;
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@ -73,41 +109,61 @@ static gint ett_mip_exts = -1;
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typedef enum {
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REGISTRATION_REQUEST = 1,
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REGISTRATION_REPLY = 3
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REGISTRATION_REPLY = 3,
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NATT_TUNNEL_DATA = 4,
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REGISTRATION_REVOCATION = 7,
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REGISTRATION_REVOCATION_ACKNOWLEDGEMENT = 15,
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EXPERIMENTAL_MESSAGE = 255
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} mipMessageTypes;
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static const value_string mip_types[] = {
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{REGISTRATION_REQUEST, "Registration Request"},
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{REGISTRATION_REPLY, "Registration Reply"},
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{0, NULL},
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{NATT_TUNNEL_DATA, "NAT Traversal Tunnel Data"},
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{REGISTRATION_REVOCATION, "Registration Revocation"},
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{REGISTRATION_REVOCATION_ACKNOWLEDGEMENT, "Registration Revocation Acknowledgement"},
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{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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{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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{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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{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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{96, "Reg Deny (FA)(NAI) - Non Zero Home Address Required"},
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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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@ -118,9 +174,22 @@ static const value_string mip_reply_codes[]= {
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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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{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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{0, NULL},
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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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{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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@ -130,29 +199,80 @@ typedef enum {
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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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MN_NAI_EXT = 131,
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UDP_TUN_REP_EXT = 44, /* RFC 3519 */
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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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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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SKIP_EXP_EXT = 255 /* RFC 4064 */
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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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{MN_NAI_EXT, "Mobile Node NAI Extension"},
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{GEN_AUTH_EXT, "Generalized Mobile-IP Authentication Extension"},
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{MF_CHALLENGE_EXT, "MN-FA Challenge Extension"},
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{CVSE_EXT, "Critical Vendor/Organization Specific Extension"},
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{OLD_CVSE_EXT, "Critical Vendor/Organization Specific Extension"},
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{NVSE_EXT, "Normal 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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{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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{0, NULL},
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{NVSE_EXT, "Normal Vendor/Organization Specific Extension"},
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{REV_SUPP_EXT, "Revocation Support Extension"},
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{DYN_HA_EXT, "Dynamic HA Extension"},
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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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{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_ext_stypes[]= {
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static const value_string mip_gaext_stypes[]= {
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{1, "MN AAA Extension"},
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{0, NULL},
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{0, NULL}
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};
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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[]= {
|
||||
{1, "HA Extension"},
|
||||
{2, "FA Extension"},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
static const value_string mip_utrqext_stypes[]= {
|
||||
{0, ""},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
static const value_string mip_utrqext_encap_types[]= {
|
||||
{4, "IP Header"},
|
||||
{47, "GRE Header"},
|
||||
{55, "Minimal IP Encapsulation Header"},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
static const value_string mip_utrpext_stypes[]= {
|
||||
{0, ""},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
static const value_string mip_utrpext_codes[]= {
|
||||
{0, "Will do Tunneling"},
|
||||
{64, "Tunneling Declined, Reason Unspecified"},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
static dissector_handle_t ip_handle;
|
||||
|
||||
/* Code to dissect extensions */
|
||||
static void
|
||||
dissect_mip_extensions( tvbuff_t *tvb, int offset, proto_tree *tree)
|
||||
|
|
@ -160,9 +280,12 @@ dissect_mip_extensions( tvbuff_t *tvb, int offset, proto_tree *tree)
|
|||
proto_item *ti;
|
||||
proto_tree *exts_tree=NULL;
|
||||
proto_tree *ext_tree;
|
||||
proto_tree *tf;
|
||||
proto_tree *ext_flags_tree;
|
||||
size_t ext_len;
|
||||
guint8 ext_type;
|
||||
guint8 ext_subtype=0;
|
||||
guint16 flags;
|
||||
size_t hdrLen;
|
||||
|
||||
/* None of this really matters if we don't have a tree */
|
||||
|
|
@ -204,7 +327,7 @@ dissect_mip_extensions( tvbuff_t *tvb, int offset, proto_tree *tree)
|
|||
offset++;
|
||||
}
|
||||
|
||||
switch(ext_type) {
|
||||
switch (ext_type) {
|
||||
case MH_AUTH_EXT:
|
||||
case MF_AUTH_EXT:
|
||||
case FH_AUTH_EXT:
|
||||
|
|
@ -223,7 +346,7 @@ dissect_mip_extensions( tvbuff_t *tvb, int offset, proto_tree *tree)
|
|||
* Very nasty . . breaks normal extensions, since the length is
|
||||
* in the wrong place :(
|
||||
*/
|
||||
proto_tree_add_uint(ext_tree, hf_mip_ext_stype, tvb, offset, 1, ext_subtype);
|
||||
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;
|
||||
|
|
@ -234,6 +357,72 @@ dissect_mip_extensions( tvbuff_t *tvb, int offset, proto_tree *tree)
|
|||
ext_len - 4, FALSE);
|
||||
|
||||
break;
|
||||
case REV_SUPP_EXT: /* RFC 3543 */
|
||||
/* flags */
|
||||
flags = tvb_get_ntohs(tvb, offset);
|
||||
tf = proto_tree_add_uint(ext_tree, hf_mip_rext_flags, tvb, offset, 2, flags);
|
||||
ext_flags_tree = proto_item_add_subtree(tf, ett_mip_flags);
|
||||
proto_tree_add_boolean(ext_flags_tree, hf_mip_rext_i, tvb, offset, 2, flags);
|
||||
|
||||
/* reserved */
|
||||
proto_tree_add_uint(ext_flags_tree, hf_mip_rext_reserved, tvb, offset, 2, flags);
|
||||
/* registration revocation timestamp */
|
||||
proto_tree_add_item(ext_tree, hf_mip_rext_tstamp, tvb, offset + 2, 4, FALSE);
|
||||
break;
|
||||
case DYN_HA_EXT: /* RFC 4433 */
|
||||
/* subtype */
|
||||
proto_tree_add_item(ext_tree, hf_mip_dhaext_stype, tvb, offset, 1, FALSE);
|
||||
/* Home Agent */
|
||||
proto_tree_add_item(ext_tree, hf_mip_dhaext_addr, tvb, offset + 1, 4, FALSE);
|
||||
break;
|
||||
case MSG_STR_EXT:
|
||||
/* sub-type */
|
||||
proto_tree_add_item(ext_tree, hf_mip_mstrext_stype, tvb, offset, 1, FALSE);
|
||||
|
||||
/* text */
|
||||
proto_tree_add_item(ext_tree, hf_mip_mstrext_text, tvb, offset + 1, ext_len-1, FALSE);
|
||||
break;
|
||||
case UDP_TUN_REQ_EXT: /* RFC 3519 */
|
||||
/* sub-type */
|
||||
proto_tree_add_item(ext_tree, hf_mip_utrqext_stype, tvb, offset, 1, FALSE);
|
||||
|
||||
/* reserved 1 */
|
||||
proto_tree_add_item(ext_tree, hf_mip_utrqext_reserved1, tvb, offset + 1, 1, FALSE);
|
||||
|
||||
/* flags */
|
||||
flags = tvb_get_guint8(tvb, offset + 2);
|
||||
tf = proto_tree_add_uint(ext_tree, hf_mip_utrqext_flags, tvb, offset + 2, 1, flags);
|
||||
ext_flags_tree = proto_item_add_subtree(tf, ett_mip_flags);
|
||||
proto_tree_add_boolean(ext_flags_tree, hf_mip_utrqext_f, tvb, offset + 2, 1, flags);
|
||||
proto_tree_add_boolean(ext_flags_tree, hf_mip_utrqext_r, tvb, offset + 2, 1, flags);
|
||||
|
||||
/* reserved 2 */
|
||||
proto_tree_add_uint(ext_flags_tree, hf_mip_utrqext_reserved2, tvb, offset + 2, 1, flags);
|
||||
/* encapsulation */
|
||||
proto_tree_add_item(ext_tree, hf_mip_utrqext_encap_type, tvb, offset + 3, 1, FALSE);
|
||||
|
||||
/* reserved 3 */
|
||||
proto_tree_add_item(ext_tree, hf_mip_utrqext_reserved3, tvb, offset + 4, 2, FALSE);
|
||||
break;
|
||||
case UDP_TUN_REP_EXT: /* RFC 3519 */
|
||||
/* sub-type */
|
||||
proto_tree_add_item(ext_tree, hf_mip_utrpext_stype, tvb, offset, 1, FALSE);
|
||||
|
||||
/* code */
|
||||
proto_tree_add_item(ext_tree, hf_mip_utrpext_code, tvb, offset + 1, 1, FALSE);
|
||||
|
||||
/* flags */
|
||||
flags = tvb_get_ntohs(tvb, offset+2);
|
||||
tf = proto_tree_add_uint(ext_tree, hf_mip_utrpext_flags, tvb, offset + 2, 2, flags);
|
||||
ext_flags_tree = proto_item_add_subtree(tf, ett_mip_flags);
|
||||
proto_tree_add_boolean(ext_flags_tree, hf_mip_utrpext_f, tvb, offset + 2, 2, flags);
|
||||
|
||||
/* reserved */
|
||||
proto_tree_add_uint(ext_flags_tree, hf_mip_utrpext_reserved, tvb, offset + 2, 2, flags);
|
||||
|
||||
/* keepalive interval */
|
||||
proto_tree_add_item(ext_tree, hf_mip_utrpext_keepalive, tvb, offset + 4, 2, FALSE);
|
||||
break;
|
||||
case OLD_CVSE_EXT: /* RFC 3115 */
|
||||
case CVSE_EXT: /* RFC 3115 */
|
||||
case OLD_NVSE_EXT: /* RFC 3115 */
|
||||
|
|
@ -260,9 +449,10 @@ dissect_mip( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|||
proto_item *tf;
|
||||
proto_tree *flags_tree;
|
||||
guint8 type;
|
||||
guint8 flags;
|
||||
guint16 flags;
|
||||
size_t offset=0;
|
||||
const guint8 *reftime;
|
||||
tvbuff_t *next_tvb;
|
||||
|
||||
/* Make entries in Protocol column and Info column on summary display */
|
||||
|
||||
|
|
@ -275,9 +465,11 @@ dissect_mip( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|||
switch (type) {
|
||||
case REGISTRATION_REQUEST:
|
||||
if (check_col(pinfo->cinfo, COL_INFO))
|
||||
col_add_fstr(pinfo->cinfo, COL_INFO, "Reg Request: HAddr=%s COA=%s",
|
||||
ip_to_str(tvb_get_ptr(tvb, 4, 4)),
|
||||
ip_to_str(tvb_get_ptr(tvb,12,4)));
|
||||
col_add_fstr(pinfo->cinfo, COL_INFO,
|
||||
"Reg Request: HoA=%s HA=%s CoA=%s",
|
||||
ip_to_str(tvb_get_ptr(tvb,4,4)),
|
||||
ip_to_str(tvb_get_ptr(tvb,8,4)),
|
||||
ip_to_str(tvb_get_ptr(tvb,12,4)));
|
||||
|
||||
if (tree) {
|
||||
ti = proto_tree_add_item(tree, proto_mip, tvb, offset, -1, FALSE);
|
||||
|
|
@ -289,8 +481,7 @@ dissect_mip( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|||
|
||||
/* flags */
|
||||
flags = tvb_get_guint8(tvb, offset);
|
||||
tf = proto_tree_add_uint(mip_tree, hf_mip_flags, tvb,
|
||||
offset, 1, flags);
|
||||
tf = proto_tree_add_uint(mip_tree, hf_mip_flags, tvb, offset, 1, flags);
|
||||
flags_tree = proto_item_add_subtree(tf, ett_mip_flags);
|
||||
proto_tree_add_boolean(flags_tree, hf_mip_s, tvb, offset, 1, flags);
|
||||
proto_tree_add_boolean(flags_tree, hf_mip_b, tvb, offset, 1, flags);
|
||||
|
|
@ -299,11 +490,12 @@ dissect_mip( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|||
proto_tree_add_boolean(flags_tree, hf_mip_g, tvb, offset, 1, flags);
|
||||
proto_tree_add_boolean(flags_tree, hf_mip_v, tvb, offset, 1, flags);
|
||||
proto_tree_add_boolean(flags_tree, hf_mip_t, tvb, offset, 1, flags);
|
||||
proto_tree_add_boolean(flags_tree, hf_mip_x, tvb, offset, 1, flags);
|
||||
offset++;
|
||||
|
||||
/* lifetime */
|
||||
proto_tree_add_item(mip_tree, hf_mip_life, tvb, offset, 2, FALSE);
|
||||
offset +=2;
|
||||
offset += 2;
|
||||
|
||||
/* home address */
|
||||
proto_tree_add_item(mip_tree, hf_mip_homeaddr, tvb, offset, 4, FALSE);
|
||||
|
|
@ -329,8 +521,11 @@ dissect_mip( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|||
break;
|
||||
case REGISTRATION_REPLY:
|
||||
if (check_col(pinfo->cinfo, COL_INFO))
|
||||
col_add_fstr(pinfo->cinfo, COL_INFO, "Reg Reply: HAddr=%s, Code=%u",
|
||||
ip_to_str(tvb_get_ptr(tvb,4,4)), tvb_get_guint8(tvb,1));
|
||||
col_add_fstr(pinfo->cinfo, COL_INFO,
|
||||
"Reg Reply: HoA=%s HA=%s, Code=%u",
|
||||
ip_to_str(tvb_get_ptr(tvb,4,4)),
|
||||
ip_to_str(tvb_get_ptr(tvb,8,4)),
|
||||
tvb_get_guint8(tvb,1));
|
||||
|
||||
if (tree) {
|
||||
/* Add Subtree */
|
||||
|
|
@ -365,7 +560,118 @@ dissect_mip( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|||
ntp_fmt_ts(reftime));
|
||||
offset += 8;
|
||||
} /* if tree */
|
||||
break;
|
||||
case NATT_TUNNEL_DATA:
|
||||
if (check_col(pinfo->cinfo, COL_INFO))
|
||||
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, FALSE);
|
||||
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, FALSE);
|
||||
offset++;
|
||||
|
||||
/* reserved */
|
||||
proto_tree_add_item(mip_tree, hf_mip_nattt_reserved, tvb, offset, 2, FALSE);
|
||||
offset += 2;
|
||||
|
||||
/* encapsulated payload */
|
||||
next_tvb = tvb_new_subset(tvb, 4, -1, -1);
|
||||
call_dissector(ip_handle, next_tvb, pinfo, mip_tree);
|
||||
offset += tvb_reported_length_remaining(tvb, offset);
|
||||
} /* if tree */
|
||||
break;
|
||||
case REGISTRATION_REVOCATION:
|
||||
if (check_col(pinfo->cinfo, COL_INFO))
|
||||
col_add_fstr(pinfo->cinfo, COL_INFO,
|
||||
"Reg Revocation: HoA=%s HDA=%s FDA=%s",
|
||||
ip_to_str(tvb_get_ptr(tvb,4,4)),
|
||||
ip_to_str(tvb_get_ptr(tvb,8,4)),
|
||||
ip_to_str(tvb_get_ptr(tvb,12,4)));
|
||||
|
||||
if (tree) {
|
||||
ti = proto_tree_add_item(tree, proto_mip, tvb, offset, -1, FALSE);
|
||||
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, FALSE);
|
||||
offset++;
|
||||
|
||||
/* flags */
|
||||
flags = tvb_get_ntohs(tvb, offset);
|
||||
tf = proto_tree_add_uint(mip_tree, hf_mip_flags, tvb, offset, 2, flags);
|
||||
flags_tree = proto_item_add_subtree(tf, ett_mip_flags);
|
||||
proto_tree_add_boolean(flags_tree, hf_mip_rev_a, tvb, offset, 2, flags);
|
||||
proto_tree_add_boolean(flags_tree, hf_mip_rev_i, tvb, offset, 2, flags);
|
||||
|
||||
/* reserved */
|
||||
proto_tree_add_uint(flags_tree, hf_mip_rev_reserved, tvb, offset, 2, flags);
|
||||
offset += 2;
|
||||
|
||||
/* home address */
|
||||
proto_tree_add_item(mip_tree, hf_mip_homeaddr, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
/* home domain address */
|
||||
proto_tree_add_item(mip_tree, hf_mip_hda, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
/* foreign domain address */
|
||||
proto_tree_add_item(mip_tree, hf_mip_fda, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
/* revocation identifier */
|
||||
proto_tree_add_item(mip_tree, hf_mip_revid, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
} /* if tree */
|
||||
break;
|
||||
case REGISTRATION_REVOCATION_ACKNOWLEDGEMENT:
|
||||
if (check_col(pinfo->cinfo, COL_INFO))
|
||||
col_add_fstr(pinfo->cinfo, COL_INFO, "Reg Revocation Ack: HoA=%s",
|
||||
ip_to_str(tvb_get_ptr(tvb,4,4)));
|
||||
|
||||
if (tree) {
|
||||
ti = proto_tree_add_item(tree, proto_mip, tvb, offset, -1, FALSE);
|
||||
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, FALSE);
|
||||
offset++;
|
||||
|
||||
/* flags */
|
||||
flags = tvb_get_ntohs(tvb, offset);
|
||||
tf = proto_tree_add_uint(mip_tree, hf_mip_flags, tvb, offset, 2, flags);
|
||||
flags_tree = proto_item_add_subtree(tf, ett_mip_flags);
|
||||
proto_tree_add_boolean(flags_tree, hf_mip_ack_i, tvb, offset, 2, flags);
|
||||
|
||||
/* reserved */
|
||||
proto_tree_add_uint(flags_tree, hf_mip_ack_reserved, tvb, offset, 2, flags);
|
||||
offset += 2;
|
||||
|
||||
/* home address */
|
||||
proto_tree_add_item(mip_tree, hf_mip_homeaddr, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
/* revocation identifier */
|
||||
proto_tree_add_item(mip_tree, hf_mip_revid, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
} /* if tree */
|
||||
break;
|
||||
} /* End switch */
|
||||
|
||||
|
|
@ -427,6 +733,11 @@ void proto_register_mip(void)
|
|||
FT_BOOLEAN, 8, NULL, 2,
|
||||
"Reverse tunneling requested", HFILL }
|
||||
},
|
||||
{ &hf_mip_x,
|
||||
{ "Reserved", "mip.x",
|
||||
FT_BOOLEAN, 8, NULL, 1,
|
||||
"Reserved", HFILL }
|
||||
},
|
||||
{ &hf_mip_code,
|
||||
{ "Reply Code", "mip.code",
|
||||
FT_UINT8, BASE_DEC, VALS(mip_reply_codes), 0,
|
||||
|
|
@ -463,9 +774,9 @@ void proto_register_mip(void)
|
|||
FT_UINT8, BASE_DEC, VALS(mip_ext_types), 0,
|
||||
"Mobile IP Extension Type.", HFILL }
|
||||
},
|
||||
{ &hf_mip_ext_stype,
|
||||
{ &hf_mip_gaext_stype,
|
||||
{ "Gen Auth Ext SubType", "mip.ext.auth.subtype",
|
||||
FT_UINT8, BASE_DEC, VALS(mip_ext_stypes), 0,
|
||||
FT_UINT8, BASE_DEC, VALS(mip_gaext_stypes), 0,
|
||||
"Mobile IP Auth Extension Sub Type.", HFILL }
|
||||
},
|
||||
{ &hf_mip_ext_len,
|
||||
|
|
@ -493,6 +804,174 @@ void proto_register_mip(void)
|
|||
FT_STRING, BASE_NONE, NULL, 0,
|
||||
"NAI", 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 surevidpports Inform bit in Revocation", HFILL }
|
||||
},
|
||||
{ &hf_mip_rext_reserved,
|
||||
{ "Reserved", "mip.ext.rev.reserved",
|
||||
FT_UINT16, BASE_HEX, NULL, 0x7fff,
|
||||
"", 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,
|
||||
"", 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,
|
||||
"", 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,
|
||||
"", 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,
|
||||
"", 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,
|
||||
"", 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,
|
||||
"", 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,
|
||||
"", 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,
|
||||
"", 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,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_mip_utrpext_keepalive,
|
||||
{ "Keepalive Interval", "mip.ext.utrp.keepalive",
|
||||
FT_UINT16, BASE_DEC, NULL, 0,
|
||||
"NAT Keepalive Interval", HFILL }
|
||||
}
|
||||
};
|
||||
|
||||
/* Setup protocol subtree array */
|
||||
|
|
@ -520,5 +999,6 @@ proto_reg_handoff_mip(void)
|
|||
dissector_handle_t mip_handle;
|
||||
|
||||
mip_handle = find_dissector("mip");
|
||||
ip_handle = find_dissector("ip");
|
||||
dissector_add("udp.port", UDP_PORT_MIP, mip_handle);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue