forked from osmocom/wireshark
![Michael Mann](/assets/img/avatar_default.png)
Similar to the "tcp.port" changes in I99604f95d426ad345f4b494598d94178b886eb67, convert dissectors that use "udp.port". More cleanup done on dissectors that use both TCP and UDP dissector tables, so that less preference callbacks exist. Change-Id: If07be9b9e850c244336a7069599cd554ce312dd3 Reviewed-on: https://code.wireshark.org/review/18120 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
1264 lines
33 KiB
C
1264 lines
33 KiB
C
/* packet-rsip.c
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* Routines for Realm Specific IP (RSIP) Protocol dissection
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* Brian Ginsbach <ginsbach@cray.com>
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*
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* Copyright (c) 2006, 2010 Cray Inc. All Rights Reserved.
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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/to_str.h>
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void proto_register_rsip(void);
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/* Forward declaration we need below */
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void proto_reg_handoff_rsip(void);
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/* Initialize the protocol and registered fields */
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static int proto_rsip = -1;
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static int hf_rsip_version = -1;
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static int hf_rsip_message_type = -1;
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static int hf_rsip_message_length = -1;
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static int hf_rsip_parameter_type = -1;
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static int hf_rsip_parameter_length = -1;
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static int hf_rsip_parameter_value = -1;
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static int hf_rsip_parameter_address_type = -1;
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static int hf_rsip_parameter_address_ipv4 = -1;
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static int hf_rsip_parameter_address_ipv4_netmask = -1;
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static int hf_rsip_parameter_address_ipv6 = -1;
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static int hf_rsip_parameter_address_fqdn = -1;
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static int hf_rsip_parameter_ports_number = -1;
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static int hf_rsip_parameter_ports_port_number = -1;
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static int hf_rsip_parameter_lease_time = -1;
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static int hf_rsip_parameter_client_id = -1;
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static int hf_rsip_parameter_bind_id = -1;
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static int hf_rsip_parameter_tunnel_type = -1;
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static int hf_rsip_parameter_method = -1;
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static int hf_rsip_parameter_error = -1;
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static int hf_rsip_parameter_flow_policy_local = -1;
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static int hf_rsip_parameter_flow_policy_remote = -1;
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static int hf_rsip_parameter_indicator = -1;
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static int hf_rsip_parameter_message_counter = -1;
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static int hf_rsip_parameter_vendor_specific_vendor_id = -1;
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static int hf_rsip_parameter_vendor_specific_subtype = -1;
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static int hf_rsip_parameter_vendor_specific_value = -1;
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static int hf_rsip_parameter_spi_number = -1;
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static int hf_rsip_parameter_spi = -1;
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/* Initialize the subtree pointers */
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static gint ett_rsip = -1;
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static gint ett_rsip_param = -1;
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static gint ett_rsip_param_val = -1;
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#define UDP_PORT_RSIP 4555
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#define TCP_PORT_RSIP 4555
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/* Message Types in RFC 3103 Appendix B / RFC 3104 Appendix C style */
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static const value_string msg_type_appendix_vals[] = {
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{ 1, "ERROR_RESPONSE" },
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{ 2, "REGISTER_REQUEST" },
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{ 3, "REGISTER_RESPONSE" },
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{ 4, "DE-REGISTER_REQUEST" },
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{ 5, "DE-REGISTER_RESPONSE" },
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{ 6, "ASSIGN_REQUEST_RSA-IP" },
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{ 7, "ASSIGN_RESPONSE_RSA-IP" },
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{ 8, "ASSIGN_REQUEST_RSAP-IP" },
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{ 9, "ASSIGN_RESPONSE_RSAP-IP" },
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{ 10, "EXTEND_REQUEST" },
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{ 11, "EXTEND_RESPONSE" },
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{ 12, "FREE_REQUEST" },
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{ 13, "FREE_RESPONSE" },
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{ 14, "QUERY_REQUEST" },
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{ 15, "QUERY_RESPONSE" },
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{ 16, "LISTEN_REQUEST" },
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{ 17, "LISTEN_RESPONSE" },
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{ 22, "ASSIGN_REQUEST_RSIPSEC" },
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{ 23, "ASSIGN_RESPONSE_RSIPEC" },
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{ 0, NULL }
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};
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static const value_string msg_type_vals[] = {
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{ 1, "Error Response" },
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{ 2, "Register Request" },
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{ 3, "Register Response" },
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{ 4, "Deregister Request" },
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{ 5, "Deregister Response" },
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{ 6, "Assign Request RSA-IP" },
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{ 7, "Assign Response RSA-IP" },
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{ 8, "Assign Request RSAP-IP" },
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{ 9, "Assign Response RSAP-IP" },
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{ 10, "Extend Request" },
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{ 11, "Extend Response" },
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{ 12, "Free Request" },
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{ 13, "Free Response" },
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{ 14, "Query Request" },
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{ 15, "Query Response" },
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{ 16, "Listen Request" },
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{ 17, "Listen Response" },
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{ 22, "Assign Request RSIPsec" },
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{ 23, "Assign Response RSIPsec" },
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{ 0, NULL }
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};
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static const value_string param_type_vals[] = {
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{ 1, "Address" },
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{ 2, "Port" },
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{ 3, "Lease Time" },
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{ 4, "Client ID" },
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{ 5, "Bind ID" },
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{ 6, "Tunnel Type" },
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{ 7, "RSIP Method" },
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{ 8, "Error" },
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{ 9, "Flow Policy" },
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{ 10, "Indicator" },
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{ 11, "Message Counter" },
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{ 12, "Vendor Specific" },
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{ 22, "SPI" },
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{ 0, NULL }
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};
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static const value_string addr_type_vals[] = {
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{ 0, "Reserved" },
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{ 1, "IPv4" },
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{ 2, "IPv4 Netmask" },
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{ 3, "IPv6" },
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{ 4, "Fully Qualified Domain Name" },
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{ 0, NULL }
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};
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static const value_string tunnel_type_vals[] = {
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{ 1, "IP-IP Tunnel" },
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{ 2, "GRE Tunnel" },
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{ 3, "L2TP" },
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{ 0, NULL }
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};
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static const value_string method_vals[] = {
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{ 1, "RSA-IP" },
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{ 2, "RSAP-IP" },
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{ 0, NULL }
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};
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#if 0
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/* Error Numbers in RFC 3103 Appendix A / RFC 3104 Appendix B style */
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static const value_string error_number_appendix_vals[] = {
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{ 101, "UNKNOWN_ERROR" },
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{ 102, "USE_TCP" },
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{ 103, "FLOW_POLICY_VIOLATION" },
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{ 104, "INTERNAL_SERVER_ERROR" },
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{ 105, "MESSAGE_COUNTER_REQUIRED" },
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{ 106, "UNSUPPORTED_RSIP_VERSION" },
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{ 201, "MISSING_PARAM" },
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{ 202, "DUPLICATE_PARAM" },
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{ 203, "EXTRA_PARAM" },
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{ 204, "ILLEGAL_PARAM" },
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{ 205, "BAD_PARAM" },
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{ 206, "ILLEGAL_MESSAGE" },
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{ 207, "BAD_MESSAGE" },
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{ 208, "UNSUPPORTED_MESSAGE" },
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{ 301, "REGISTER_FIRST" },
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{ 302, "ALREADY_REGISTERED" },
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{ 303, "ALREADY_UNREGISTERED" },
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{ 304, "REGISTRATION_DENIED" },
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{ 305, "BAD_CLIENT_ID" },
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{ 306, "BAD_BIND_ID" },
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{ 307, "BAD_TUNNEL_TYPE" },
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{ 308, "LOCAL_ADDR_UNAVAILABLE" },
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{ 309, "LOCAL_ADDRPORT_UNAVAILABLE" },
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{ 310, "LOCAL_ADDR_INUSE" },
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{ 311, "LOCAL_ADDRPORT_INUSE" },
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{ 312, "LOCAL_ADDR_UNALlOWED" },
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{ 313, "LOCAL_ADDRPORT_UNALLOWED" },
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{ 314, "REMOTE_ADDR_UNALLOWED" },
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{ 315, "REMOTE_ADDRPORT_UNALLOWED" },
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{ 400, "IPSEC_UNALLOWED" },
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{ 401, "IPSEC_SPI_UNAVAILABLE" },
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{ 402, "IPSEC_SPI_INUSE" },
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{ 0, NULL }
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};
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#endif
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static const value_string error_number_vals[] = {
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{ 101, "Unknown Error" },
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{ 102, "Use TCP" },
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{ 103, "Flow Policy Violation" },
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{ 104, "Internal Server Error" },
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{ 105, "Message Counter Required" },
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{ 106, "Unsupported RSIP Version" },
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{ 201, "Missing Parameter" },
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{ 202, "Duplicate Parameter" },
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{ 203, "Extra Parameter" },
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{ 204, "Illegal Parameter" },
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{ 205, "Bad Parameter" },
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{ 206, "Illegal Message" },
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{ 207, "Bad Message" },
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{ 208, "Unsupported Message" },
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{ 301, "Register First" },
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{ 302, "Already Registered" },
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{ 303, "Already Unregistered" },
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{ 304, "Registration Denied" },
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{ 305, "Bad Client ID" },
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{ 306, "Bad Bind ID" },
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{ 307, "Bad Tunnel Type" },
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{ 308, "Local Address Unavailable" },
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{ 309, "Local Address Port Unavailable" },
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{ 310, "Local Address Inuse" },
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{ 311, "Local Address Port Inuse" },
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{ 312, "Local Address Unallowed" },
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{ 313, "Local Address Port Unallowed" },
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{ 314, "Remote Address Unallowed" },
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{ 315, "Remote Address Port Unallowed" },
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{ 400, "IPsec Unallowed" },
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{ 401, "IPsec SPI Unavailable" },
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{ 402, "IPsec SPI Inuse" },
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{ 0, NULL }
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};
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static const value_string lcl_flow_policy_vals[] = {
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{ 1, "Macro Flows" },
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{ 2, "Micro Flows " },
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{ 0, NULL }
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};
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static const value_string rmt_flow_policy_vals[] = {
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{ 1, "Macro Flows" },
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{ 2, "Micro Flows" },
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{ 3, "No Policy" },
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{ 0, NULL }
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};
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/* Code to actually dissect the packets */
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static int
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rsip_parameter(tvbuff_t *tvb, proto_tree *rsip_tree, int off, int eoff)
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{
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int consumed, i, paramleft;
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guint8 addrtype, flowpolicy, method, number, paramtype, tuntype;
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guint16 error, ind, paramlen, portnum;
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guint32 bid, cid, leasetm, msgc;
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proto_tree *p_tree, *v_tree;
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proto_item *pti, *vti;
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/* XXX */
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if (off >= eoff)
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return 0;
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paramtype = tvb_get_guint8(tvb, off);
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paramlen = tvb_get_ntohs(tvb, off + 1);
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p_tree = proto_tree_add_subtree(rsip_tree, tvb, off, 3 + paramlen,
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ett_rsip_param, &pti,
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val_to_str(paramtype, param_type_vals, "Unknown (%d)"));
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proto_tree_add_item(p_tree, hf_rsip_parameter_type, tvb,
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off, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(p_tree, hf_rsip_parameter_length, tvb,
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off + 1, 2, ENC_BIG_ENDIAN);
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consumed = 3;
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if (paramlen == 0)
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return consumed;
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vti = proto_tree_add_item(p_tree, hf_rsip_parameter_value,
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tvb, off + 3, paramlen, ENC_NA);
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v_tree = proto_item_add_subtree(vti, ett_rsip_param_val);
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switch (paramtype) {
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case 1: /* Address */
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proto_tree_add_item(v_tree, hf_rsip_parameter_address_type,
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tvb, off + 3, 1, ENC_BIG_ENDIAN);
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addrtype = tvb_get_guint8(tvb, off + 3);
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switch (addrtype) {
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case 0: /* Reserved */
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break;
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case 1: /* IPv4 */
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if (paramlen - 1 > 0) {
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proto_tree_add_item(v_tree,
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hf_rsip_parameter_address_ipv4, tvb,
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off + 4, paramlen - 1, ENC_BIG_ENDIAN);
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proto_item_append_text(pti, ": %s",
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tvb_ip_to_str(tvb, off + 4));
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} else
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proto_item_append_text(pti,
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": Any IPv4 Address");
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break;
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case 2: /* IPv4 netmask */
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if (paramlen - 1 > 0) {
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proto_tree_add_item(v_tree,
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hf_rsip_parameter_address_ipv4_netmask,
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tvb, off + 4, paramlen - 1, ENC_BIG_ENDIAN);
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proto_item_append_text(pti, "(netmask): %s",
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tvb_ip_to_str(tvb, off + 4));
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} else
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proto_item_append_text(pti,
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": Any IPv4 Netmask");
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break;
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case 3: /* IPv6 */
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if (paramlen - 1 > 0) {
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proto_tree_add_item(v_tree,
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hf_rsip_parameter_address_ipv6, tvb,
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off + 4, paramlen - 1, ENC_NA);
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proto_item_append_text(pti, ": %s",
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tvb_ip6_to_str(tvb, off + 4));
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} else
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proto_item_append_text(pti,
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": Any IPv6 Address");
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break;
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case 4: /* FQDN */
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if (paramlen - 1 > 0) {
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proto_tree_add_item(v_tree,
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hf_rsip_parameter_address_fqdn, tvb,
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off + 4, paramlen - 1, ENC_ASCII|ENC_NA);
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proto_item_append_text(pti, ": %s",
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tvb_format_text(tvb, off + 4, paramlen - 1));
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} else
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proto_item_append_text(pti,
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": Any Fully Qualified Domain Name");
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break;
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default:
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proto_item_append_text(pti, ": Unknown Address Type");
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break;
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}
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break;
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case 2: /* Ports */
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proto_tree_add_item(v_tree, hf_rsip_parameter_ports_number,
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tvb, off + 3, 1, ENC_BIG_ENDIAN);
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number = tvb_get_guint8(tvb, off + 3);
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if (paramlen == 1) {
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switch (number) {
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case 0:
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proto_item_append_text(pti, ": Unspecified");
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break;
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case 1:
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proto_item_append_text(pti, ": Any port");
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break;
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default:
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proto_item_append_text(pti, ": Any %d ports",
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number);
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break;
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}
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} else {
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portnum = tvb_get_ntohs(tvb, off + 4);
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if (number == 1) {
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proto_tree_add_item(v_tree,
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hf_rsip_parameter_ports_port_number,
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tvb, off + 4, 2, ENC_BIG_ENDIAN);
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} else {
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paramleft = paramlen - 1;
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if (paramleft == 2) {
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proto_tree_add_uint_format_value(v_tree,
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hf_rsip_parameter_ports_port_number,
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tvb, off + 4, 2, portnum, "%d - %d",
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portnum, portnum + number);
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proto_item_append_text(pti,
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": %d - %d", portnum,
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portnum + number);
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} else {
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for (i = off + 4;
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paramleft > 0;
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i += 2, paramleft -= 2)
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proto_tree_add_item(v_tree,
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hf_rsip_parameter_ports_port_number,
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tvb, i, 2, ENC_BIG_ENDIAN);
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proto_item_append_text(pti,
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": List of %d Ports", number);
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}
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}
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}
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break;
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case 3: /* Lease Time */
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/* XXX if paramlen != 4 we've got a protocol violation */
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proto_tree_add_item(v_tree, hf_rsip_parameter_lease_time,
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tvb, off + 3, paramlen, ENC_BIG_ENDIAN);
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leasetm = tvb_get_ntohl(tvb, off + 3);
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proto_item_append_text(pti, ": %d seconds", leasetm);
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break;
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case 4: /* Client ID */
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/* XXX if paramlen != 4 we've got a protocol violation */
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proto_tree_add_item(v_tree, hf_rsip_parameter_client_id,
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tvb, off + 3, paramlen, ENC_BIG_ENDIAN);
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cid = tvb_get_ntohl(tvb, off + 3);
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proto_item_append_text(pti, ": %d", cid);
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break;
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case 5: /* Bind ID */
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/* XXX if paramlen != 4 we've got a protocol violation */
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proto_tree_add_item(v_tree, hf_rsip_parameter_bind_id,
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tvb, off + 3, paramlen, ENC_BIG_ENDIAN);
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bid = tvb_get_ntohl(tvb, off + 3);
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proto_item_append_text(pti, ": %d", bid);
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break;
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case 6: /* Tunnel Type */
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/* XXX if paramlen != 1 we've got a protocol violation */
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proto_tree_add_item(v_tree, hf_rsip_parameter_tunnel_type,
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tvb, off + 3, paramlen, ENC_BIG_ENDIAN);
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tuntype = tvb_get_guint8(tvb, off + 3);
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proto_item_append_text(pti, ": %s",
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val_to_str(tuntype, tunnel_type_vals,
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"Unknown Tunnel Type (%d)"));
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break;
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case 7: /* RSIP Method */
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/* XXX if paramlen != 1 we've got a protocol violation */
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proto_tree_add_item(v_tree, hf_rsip_parameter_method,
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tvb, off + 3, paramlen, ENC_BIG_ENDIAN);
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method = tvb_get_guint8(tvb, off + 3);
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proto_item_append_text(pti, ": %s",
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val_to_str(method, method_vals,
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"Unknown RSIP Method (%d)"));
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break;
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case 8: /* Error */
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/* XXX if paramlen != 2 we've got a protocol violation */
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proto_tree_add_item(v_tree, hf_rsip_parameter_error,
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tvb, off + 3, paramlen, ENC_BIG_ENDIAN);
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error = tvb_get_ntohs(tvb, off + 3);
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proto_item_append_text(pti, ": %s",
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val_to_str(error, error_number_vals, "Undefined Error (%d)"));
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break;
|
|
case 9: /* Flow Policy */
|
|
/* XXX if paramlen != 2 we've got a protocol violation */
|
|
proto_tree_add_item(v_tree,
|
|
hf_rsip_parameter_flow_policy_local, tvb, off + 3, 1, ENC_BIG_ENDIAN);
|
|
flowpolicy = tvb_get_guint8(tvb, off + 3);
|
|
proto_item_append_text(pti, ": %s",
|
|
val_to_str(flowpolicy, lcl_flow_policy_vals,
|
|
"Undefined Local Flow Policy (%d)"));
|
|
proto_tree_add_item(v_tree,
|
|
hf_rsip_parameter_flow_policy_remote, tvb, off + 4, 1,
|
|
ENC_BIG_ENDIAN);
|
|
flowpolicy = tvb_get_guint8(tvb, off + 4);
|
|
proto_item_append_text(pti, "/%s",
|
|
val_to_str(flowpolicy, rmt_flow_policy_vals,
|
|
"Undefined Remote Flow Policy (%d)"));
|
|
break;
|
|
case 10: /* Indicator */
|
|
/* XXX if paramlen != 2 we've got a protocol violation */
|
|
proto_tree_add_item(v_tree, hf_rsip_parameter_indicator, tvb,
|
|
off + 3, 2, ENC_BIG_ENDIAN);
|
|
ind = tvb_get_ntohs(tvb, off + 3);
|
|
proto_item_append_text(pti, ": %d", ind);
|
|
break;
|
|
case 11: /* Message Counter */
|
|
/* XXX if paramlen != 4 we've got a protocol violation */
|
|
proto_tree_add_item(v_tree, hf_rsip_parameter_message_counter,
|
|
tvb, off + 3, 4, ENC_BIG_ENDIAN);
|
|
msgc = tvb_get_ntohl(tvb, off + 3);
|
|
proto_item_append_text(pti, ": %d", msgc);
|
|
break;
|
|
case 12: /* Vendor Specific */
|
|
proto_tree_add_item(v_tree,
|
|
hf_rsip_parameter_vendor_specific_vendor_id, tvb, off + 3,
|
|
2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(v_tree,
|
|
hf_rsip_parameter_vendor_specific_subtype, tvb, off + 5,
|
|
2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(v_tree,
|
|
hf_rsip_parameter_vendor_specific_value, tvb, off + 9,
|
|
paramlen - 4, ENC_NA);
|
|
break;
|
|
case 22: /* SPI */
|
|
proto_tree_add_item(v_tree, hf_rsip_parameter_spi_number, tvb,
|
|
off + 3, 2, ENC_BIG_ENDIAN);
|
|
/* XXX need loop? */
|
|
proto_tree_add_item(v_tree, hf_rsip_parameter_spi, tvb,
|
|
off + 5, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
consumed += paramlen;
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_error_response(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Error>
|
|
[Message Counter] UDP required
|
|
[Client ID]
|
|
[Bind ID]
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_register_request(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
[Message Counter] UDP required
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_register_response(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Lease Time>
|
|
<Flow Policy>
|
|
[Message Counter] UDP required
|
|
[RSIP Method]...
|
|
[Tunnel Type]...
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_deregister_request(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
[Message Counter] UDP required
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_deregister_response(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
return rsip_message_deregister_request(tvb, rsip_tree, offset, eoffset);
|
|
}
|
|
|
|
static int
|
|
rsip_message_assign_request_rsaip(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Address (local)>
|
|
<Address (remote)>
|
|
<Ports (remote)>
|
|
[Message Counter] UDP required
|
|
[Lease Time]
|
|
[Tunnel Type]
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_assign_response_rsaip(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Bind ID>
|
|
<Address (local)>
|
|
<Address (remote)>
|
|
<Ports (remote)>
|
|
<Lease Time>
|
|
<Tunnel Type>
|
|
[Message Counter] UDP required
|
|
[Address (tunnel endpoint)]
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_assign_request_rsapip(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Address (local)>
|
|
<Ports (local)>
|
|
<Address (remote)>
|
|
<Ports (remote)>
|
|
[Message Counter] UDP required
|
|
[Lease Time]
|
|
[Tunnel Type]
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_assign_response_rsapip(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Bind ID>
|
|
<Address (local)>
|
|
<Ports (local)>
|
|
<Address (remote)>
|
|
<Ports (remote)>
|
|
<Lease Time>
|
|
<Tunnel Type>
|
|
[Address (tunnel endpoint)]
|
|
[Message Counter] UDP required
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_extend_request(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Bind ID>
|
|
[Lease Time]
|
|
[Message Counter] UDP required
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_extend_response(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Bind ID>
|
|
<Lease Time>
|
|
[Message Counter] UDP required
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_free_request(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Bind ID>
|
|
[Message Counter] UDP required
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_free_response(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Bind ID>
|
|
[Message Counter] UDP required
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_query_request(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
[Message Counter] UDP required
|
|
[Address Tuple]...
|
|
[Network Tuple]...
|
|
|
|
<Address Tuple> ::= <Indicator (address)>
|
|
<Address>
|
|
|
|
<Network Tuple> ::= <Indicator (network)>
|
|
<Address (network)>
|
|
<Address (netmask)>
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_query_response(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
[Message Counter] UDP required
|
|
[Local Address Tuple]...
|
|
[Local Network Tuple]...
|
|
[Remote Address Tuple]...
|
|
[Remote Network Tuple]...
|
|
|
|
<Local Address Tuple> ::= <Indicator (local address)>
|
|
<Address>
|
|
|
|
<Local Network Tuple> ::= <Indicator (local network)>
|
|
<Address (network)>
|
|
<Address (netmask)>
|
|
|
|
<Remote Address Tuple> ::= <Indicator (remote address)>
|
|
<Address>
|
|
|
|
<Remote Network Tuple> ::= <Indicator (remote network)>
|
|
<Address (network)>
|
|
<Address (netmask)>
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_listen_request(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Address (local)>
|
|
<Ports (local)>
|
|
<Address (remote)>
|
|
<Ports (remote)>
|
|
[Message Counter] UDP required
|
|
[Lease Time]
|
|
[Tunnel Type]...
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_listen_response(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Bind ID>
|
|
<Address (local)>
|
|
<Ports (local)>
|
|
<Address (remote)>
|
|
<Ports (remote)>
|
|
<Tunnel Type>
|
|
<Lease Time>
|
|
[Address (tunnel endpoint)]
|
|
[Message Counter] UDP required
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_assign_request_rsipsec(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Address (local)>
|
|
<Ports (local)>
|
|
<Address (remote)>
|
|
<Ports (remote)>
|
|
[Message Counter] UDP required
|
|
[Lease Time]
|
|
[Tunnel Type]...
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
rsip_message_assign_response_rsipsec(tvbuff_t *tvb, proto_tree *rsip_tree,
|
|
int offset, int eoffset)
|
|
{
|
|
int consumed, offset_delta;
|
|
/*
|
|
<Client ID>
|
|
<Bind ID>
|
|
<Address (local)>
|
|
<Ports (local)>
|
|
<Address (remote)>
|
|
<Ports (remote)>
|
|
<Tunnel Type>
|
|
<Lease Time>
|
|
[Address (tunnel endpoint)]
|
|
[Message Counter] UDP required
|
|
*/
|
|
|
|
consumed = 0;
|
|
do {
|
|
offset_delta =
|
|
rsip_parameter(tvb, rsip_tree, offset, eoffset);
|
|
offset += offset_delta;
|
|
consumed += offset_delta;
|
|
} while ((offset_delta > 0) && (offset < eoffset));
|
|
|
|
return consumed;
|
|
}
|
|
|
|
static int
|
|
dissect_rsip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *rsip_tree;
|
|
guint8 msgtype;
|
|
/*gboolean msgcnt_required;*/
|
|
int eoff;
|
|
|
|
msgtype = tvb_get_guint8(tvb, 1);
|
|
|
|
/*msgcnt_required = (pinfo->ipproto == IP_PROTO_UDP)? TRUE : FALSE;*/
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "RSIP");
|
|
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(msgtype, msg_type_vals,
|
|
"Unknown Message Type (0x%0x)"));
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_rsip, tvb, 0, -1, ENC_NA);
|
|
|
|
rsip_tree = proto_item_add_subtree(ti, ett_rsip);
|
|
|
|
proto_tree_add_item(rsip_tree,
|
|
hf_rsip_version, tvb, 0, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(rsip_tree,
|
|
hf_rsip_message_type, tvb, 1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(rsip_tree,
|
|
hf_rsip_message_length, tvb, 2, 2, ENC_BIG_ENDIAN);
|
|
|
|
eoff = tvb_reported_length(tvb);
|
|
|
|
switch (msgtype) {
|
|
case 1: /* Error Response */
|
|
rsip_message_error_response(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 2: /* Register Request */
|
|
rsip_message_register_request(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 3: /* Register Response */
|
|
rsip_message_register_response(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 4: /* De-register Request */
|
|
rsip_message_deregister_request(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 5: /* De-register Response */
|
|
rsip_message_deregister_response(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 6: /* Assign Request RSA-IP */
|
|
rsip_message_assign_request_rsaip(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 7: /* Assign Response RSA-IP */
|
|
rsip_message_assign_response_rsaip(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 8: /* Assign Request RSAP-IP */
|
|
rsip_message_assign_request_rsapip(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 9: /* Assign Response RSAP-IP */
|
|
rsip_message_assign_response_rsapip(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 10: /* Extend Request */
|
|
rsip_message_extend_request(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 11: /* Extend Response */
|
|
rsip_message_extend_response(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 12: /* Free Request */
|
|
rsip_message_free_request(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 13: /* Free Response */
|
|
rsip_message_free_response(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 14: /* Query Request */
|
|
rsip_message_query_request(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 15: /* Query Response */
|
|
rsip_message_query_response(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 16: /* Listen Request */
|
|
rsip_message_listen_request(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 17: /* Listen Response */
|
|
rsip_message_listen_response(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 22: /* Assign Request RSIPsec */
|
|
rsip_message_assign_request_rsipsec(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
case 23: /* Assign Response RSIPsec */
|
|
rsip_message_assign_response_rsipsec(tvb, rsip_tree, 4, eoff);
|
|
break;
|
|
}
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
|
|
/* Register the protocol with Wireshark */
|
|
void
|
|
proto_register_rsip(void)
|
|
{
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_rsip_version,
|
|
{ "Protocol version", "rsip.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_message_type,
|
|
{ "Message type", "rsip.message_type",
|
|
FT_UINT8, BASE_DEC, VALS(msg_type_appendix_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_message_length,
|
|
{ "Message length", "rsip.message_length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_type,
|
|
{ "Type", "rsip.parameter.type",
|
|
FT_UINT8, BASE_DEC, VALS(param_type_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_length,
|
|
{ "Length", "rsip.parameter.length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_value,
|
|
{ "Value", "rsip.parameter.value",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_rsip_parameter_address_type,
|
|
{ "Address type", "rsip.parameter.address_type",
|
|
FT_UINT8, BASE_DEC, VALS(addr_type_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_address_ipv4,
|
|
{ "IPv4 Address", "rsip.parameter.address",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_address_ipv4_netmask,
|
|
{ "IPv4 Netmask", "rsip.parameter.netmask",
|
|
FT_IPv4, BASE_NETMASK, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_address_ipv6,
|
|
{ "IPv6 Address", "rsip.parameter.address.ipv6",
|
|
FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_address_fqdn,
|
|
{ "Fully Qualified Domain Name", "rsip.parameter.fqdn",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_ports_number,
|
|
{ "Number", "rsip.parameter.ports.number",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_ports_port_number,
|
|
{ "Port", "rsip.parameter.ports.port_number",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_lease_time,
|
|
{ "Lease time", "rsip.parameter.lease_time",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_client_id,
|
|
{ "Client ID", "rsip.parameter.client_id",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_bind_id,
|
|
{ "Bind ID", "rsip.parameter.bind_id",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_tunnel_type,
|
|
{ "Tunnel type", "rsip.parameter.tunnel_type",
|
|
FT_UINT8, BASE_DEC, VALS(tunnel_type_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_method,
|
|
{ "Method", "rsip.method_param.method",
|
|
FT_UINT8, BASE_DEC, VALS(method_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_error,
|
|
{ "Error", "rsip.parameter.error",
|
|
FT_UINT16, BASE_DEC, VALS(error_number_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_flow_policy_local,
|
|
{ "Local Flow Policy", "rsip.parameter.local_flow_policy",
|
|
FT_UINT8, BASE_DEC, VALS(lcl_flow_policy_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_flow_policy_remote,
|
|
{ "Remote Flow Policy", "rsip.parameter.remote_flow_policy",
|
|
FT_UINT8, BASE_DEC, VALS(rmt_flow_policy_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_indicator,
|
|
{ "Value", "rsip.parameter.indicator",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_message_counter,
|
|
{ "Counter", "rsip.parameter.message_counter",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_vendor_specific_vendor_id,
|
|
{ "Vendor ID", "rsip.parameter.vendor_specific.vendor_id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_vendor_specific_subtype,
|
|
{ "Subtype", "rsip.parameter.vendor_specific.subtype",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_vendor_specific_value,
|
|
{ "Value", "rsip.parameter.vendor_specific.value",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_rsip_parameter_spi_number,
|
|
{ "Number", "rsip.parameter.spi_number",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsip_parameter_spi,
|
|
{ "SPI", "rsip.parameter.spi",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_rsip,
|
|
&ett_rsip_param,
|
|
&ett_rsip_param_val
|
|
};
|
|
|
|
proto_rsip = proto_register_protocol("Realm Specific IP Protocol",
|
|
"RSIP", "rsip");
|
|
|
|
proto_register_field_array(proto_rsip, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_rsip(void)
|
|
{
|
|
dissector_handle_t rsip_handle;
|
|
|
|
rsip_handle = create_dissector_handle(dissect_rsip, proto_rsip);
|
|
dissector_add_uint_with_preference("udp.port", UDP_PORT_RSIP, rsip_handle);
|
|
dissector_add_uint_with_preference("tcp.port", TCP_PORT_RSIP, rsip_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|