forked from osmocom/wireshark
![Michael Mann](/assets/img/avatar_default.png)
This saves many dissectors the need to find the data dissector and store a handle to it. There were also some that were finding it, but not using it. For others this was the only reason for their handoff function, so it could be eliminated. Change-Id: I5d3f951ee1daa3d30c060d21bd12bbc881a8027b Reviewed-on: https://code.wireshark.org/review/14530 Petri-Dish: Michael Mann <mmann78@netscape.net> Reviewed-by: Michael Mann <mmann78@netscape.net>
2041 lines
68 KiB
C
2041 lines
68 KiB
C
/* packet-vines.c
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* Routines for Banyan VINES protocol packet disassembly
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*
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* Don Lafontaine <lafont02@cn.ca>
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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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* Joerg Mayer (see AUTHORS file)
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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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/* Information about VINES can be found in
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*
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* VINES Protocol Definition
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* Order Number: DA254-00
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* Banyan Systems incorporated
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* February 1990
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* Part Number: 092093-000
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*
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* Banyan Systems are no longer in business, so that document cannot be
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* ordered from them. An online copy appears to be available at
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*
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* http://banyan-vines.bamertal.net/Banyan-supplier-help/ProtoDef/ProtoDefMain.htm
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*
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* along with the VINES Architecture Definition at
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*
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* http://banyan-vines.bamertal.net/Banyan-supplier-help/ArchDef/ArchDefMain.htm
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*
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* and other VINES documentation linked to from
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*
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* http://banyan-vines.bamertal.net/Banyan-supplier-help/banyan.htm
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*
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* Some information can also be found in
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*
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* http://docwiki.cisco.com/wiki/Banyan_VINES
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*
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* and at
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*
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* http://www.banalyzer.de/ban/HTML/P_VINES/Eng/P_vines.html
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*
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* The document at
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*
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* http://www.watersprings.org/pub/id/draft-ietf-rmonmib-rmonprot-v2-00.txt
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*
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* lists a bunch of values of protocol identifier fields for various
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* protocols. It speaks of the Vines Fragmentation Protocol,
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* the "Vines Token Ring Protocol" which appears to be the same as the
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* "Vines LLC" protocol here, the Vines echo protocol, Vines IP, and
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* protocols running atop Vines IP.
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*
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* The LLC values it describes are:
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*
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* 0xbc (SAP_VINES2) Vines Token Ring a/k/a Vines LLC
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*
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* It doesn't mention 0xba (SAP_VINES1).
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*
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* The Vines Token Ring/Vines LLC protocol identifier values it
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* describes are:
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*
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* 0xba Vines IP
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* 0xbb Vines Echo
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*
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* The Ethernet type values it describes are:
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*
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* 0x0bad (ETHERTYPE_VINES) Vines IP
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* 0x0baf Vines Echo
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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/capture_dissectors.h>
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#include <epan/etypes.h>
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#include <epan/ppptypes.h>
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#include <epan/ipproto.h>
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#include <epan/arcnet_pids.h>
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#include <epan/llcsaps.h>
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#include <epan/to_str.h>
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void proto_register_vines_frp(void);
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void proto_reg_handoff_vines_frp(void);
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void proto_register_vines_llc(void);
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void proto_reg_handoff_vines_llc(void);
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void proto_register_vines_ip(void);
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void proto_reg_handoff_vines_ip(void);
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void proto_register_vines_echo(void);
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void proto_reg_handoff_vines_echo(void);
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void proto_register_vines_ipc(void);
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void proto_reg_handoff_vines_ipc(void);
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void proto_register_vines_spp(void);
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void proto_reg_handoff_vines_spp(void);
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void proto_register_vines_arp(void);
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void proto_reg_handoff_vines_arp(void);
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void proto_register_vines_rtp(void);
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void proto_reg_handoff_vines_rtp(void);
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void proto_register_vines_icp(void);
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void proto_reg_handoff_vines_icp(void);
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#define UDP_PORT_VINES 573
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static int proto_vines_frp = -1;
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static int hf_vines_frp_flags = -1;
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static int hf_vines_frp_flags_first_fragment = -1;
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static int hf_vines_frp_flags_last_fragment = -1;
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static int hf_vines_frp_sequence_number = -1;
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static gint ett_vines_frp = -1;
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static gint ett_vines_frp_flags = -1;
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static int proto_vines_llc = -1;
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static int hf_vines_llc_packet_type = -1;
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static gint ett_vines_llc = -1;
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static int proto_vines_ip = -1;
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static int hf_vines_ip_protocol = -1;
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static int hf_vines_ip_checksum = -1;
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static int hf_vines_ip_length = -1;
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static int hf_vines_ip_source = -1;
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static int hf_vines_ip_destination = -1;
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static int hf_vines_tctl = -1;
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static int hf_vines_tctl_node = -1;
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static int hf_vines_tctl_class = -1;
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static int hf_vines_tctl_forward_router = -1;
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static int hf_vines_tctl_metric = -1;
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static int hf_vines_tctl_notif_packet = -1;
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static int hf_vines_tctl_hop_count = -1;
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static gint ett_vines_ip = -1;
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static gint ett_vines_ip_tctl = -1;
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static int proto_vines_echo = -1;
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static gint hf_vines_echo_data = -1;
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static gint ett_vines_echo = -1;
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static int proto_vines_ipc = -1;
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static int hf_vines_ipc_src_port = -1;
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static int hf_vines_ipc_dest_port = -1;
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static int hf_vines_ipc_packet_type = -1;
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static int hf_vines_ipc_control = -1;
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static int hf_vines_ipc_control_ack = -1;
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static int hf_vines_ipc_control_end_msg = -1;
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static int hf_vines_ipc_control_beg_msg = -1;
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static int hf_vines_ipc_control_abort_msg = -1;
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static int hf_vines_ipc_local_connection_id = -1;
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static int hf_vines_ipc_sequence_number = -1;
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static int hf_vines_ipc_length = -1;
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static int hf_vines_ipc_remote_connection_id = -1;
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static int hf_vines_ipc_ack_number = -1;
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static int hf_vines_ipc_error = -1;
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static gint ett_vines_ipc = -1;
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static gint ett_vines_ipc_control = -1;
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static int proto_vines_spp = -1;
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static int hf_vines_spp_src_port = -1;
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static int hf_vines_spp_dest_port = -1;
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static int hf_vines_spp_packet_type = -1;
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static int hf_vines_spp_control = -1;
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static int hf_vines_spp_control_ack = -1;
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static int hf_vines_spp_control_end_msg = -1;
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static int hf_vines_spp_control_beg_msg = -1;
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static int hf_vines_spp_control_abort_msg = -1;
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static int hf_vines_spp_local_id = -1;
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static int hf_vines_spp_remote_id = -1;
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static int hf_vines_spp_seq_num = -1;
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static int hf_vines_spp_ack_num = -1;
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static int hf_vines_spp_window = -1;
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static gint ett_vines_spp = -1;
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static gint ett_vines_spp_control = -1;
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static int proto_vines_arp = -1;
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static int hf_vines_arp_address = -1;
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static int hf_vines_arp_version = -1;
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static int hf_vines_arp_packet_type = -1;
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static int hf_vines_arp_interface_metric = -1;
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static int hf_vines_arp_sequence_number = -1;
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static gint ett_vines_arp = -1;
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static int proto_vines_rtp = -1;
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static int hf_vines_rtp_comp_flag = -1;
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static int hf_vines_rtp_comp_flag_neighbor_router = -1;
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static int hf_vines_rtp_comp_flag_sequence_rtp = -1;
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static int hf_vines_rtp_comp_flag_sequence_rtp_version = -1;
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static int hf_vines_rtp_control = -1;
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static int hf_vines_rtp_control_sync_broadcast = -1;
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static int hf_vines_rtp_control_topology_update = -1;
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static int hf_vines_rtp_control_specific_request = -1;
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static int hf_vines_rtp_control_end_msg = -1;
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static int hf_vines_rtp_control_beg_msg = -1;
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static int hf_vines_rtp_machine_rtp = -1;
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static int hf_vines_rtp_machine_tcpip = -1;
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static int hf_vines_rtp_machine_bus = -1;
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static int hf_vines_rtp_flag_sequence_rtp = -1;
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static int hf_vines_rtp_flag_network_p2p = -1;
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static int hf_vines_rtp_flag_data_link_p2p = -1;
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static int hf_vines_rtp_flag_broadcast_medium = -1;
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static int hf_vines_rtp_metric_to_preferred_gateway = -1;
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static int hf_vines_rtp_requested_info = -1;
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static int hf_vines_rtp_metric_to_destination = -1;
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static int hf_vines_rtp_source_route_length = -1;
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static int hf_vines_rtp_router_sequence_number = -1;
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static int hf_vines_rtp_sequence_number = -1;
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static int hf_vines_rtp_data_offset = -1;
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static int hf_vines_rtp_preferred_gateway_sequence_number = -1;
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static int hf_vines_rtp_preferred_gateway_node_type = -1;
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static int hf_vines_rtp_metric = -1;
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static int hf_vines_rtp_destination_sequence_number = -1;
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static int hf_vines_rtp_link_address_length = -1;
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static int hf_vines_rtp_controller_type = -1;
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static int hf_vines_rtp_destination_node_type = -1;
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static int hf_vines_rtp_information_type = -1;
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static int hf_vines_rtp_version = -1;
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static int hf_vines_rtp_preferred_gateway = -1;
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static int hf_vines_rtp_neighbor_metric = -1;
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static int hf_vines_rtp_destination = -1;
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static int hf_vines_rtp_node_type = -1;
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static int hf_vines_rtp_operation_type = -1;
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static int hf_vines_rtp_packet_id = -1;
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static int hf_vines_rtp_network_number = -1;
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static int hf_vines_rtp_machine_type = -1;
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static int hf_vines_rtp_destination_controller_type = -1;
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static int hf_vines_rtp_destination_machine = -1;
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static int hf_vines_rtp_pref_gateway_controller_type = -1;
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static int hf_vines_rtp_pref_gateway_machine = -1;
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static int hf_vines_rtp_network_flags = -1;
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static int hf_vines_rtp_destination_flags = -1;
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static int hf_vines_rtp_preferred_gateway_flags = -1;
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static int hf_vines_rtp_preferred_gateway_data_link_address_ether = -1;
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static int hf_vines_rtp_preferred_gateway_data_link_address_bytes = -1;
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static int hf_vines_rtp_preferred_gateway_source_route = -1;
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static gint ett_vines_rtp = -1;
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static gint ett_vines_rtp_compatibility_flags = -1;
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static gint ett_vines_rtp_req_info = -1;
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static gint ett_vines_rtp_control_flags = -1;
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static gint ett_vines_rtp_mtype = -1;
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static gint ett_vines_rtp_flags = -1;
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static int proto_vines = -1;
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static int proto_vines_icp = -1;
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static int hf_vines_icp_exception_code = -1;
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static int hf_vines_icp_metric = -1;
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static int hf_vines_icp_packet_type = -1;
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static gint ett_vines_icp = -1;
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/* VINES IP structs and definitions */
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enum {
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VIP_PROTO_IPC = 1, /* Interprocess Communications Protocol (IPC) */
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VIP_PROTO_SPP = 2, /* Sequenced Packet Protocol (SPP) */
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VIP_PROTO_ARP = 4, /* Address Resolution Protocol (ARP) */
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VIP_PROTO_RTP = 5, /* Routing Update Protocol (RTP) / SRTP (Sequenced RTP) */
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VIP_PROTO_ICP = 6 /* Internet Control Protocol (ICP) */
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};
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/* VINES SPP and IPC structs and definitions */
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enum {
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PKTTYPE_DGRAM = 0, /* Unreliable datagram */
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PKTTYPE_DATA = 1, /* User Data */
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PKTTYPE_ERR = 2, /* Error */
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PKTTYPE_DISC = 3, /* Diconnect Request */
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PKTTYPE_PROBE = 4, /* Probe (retransmit) */
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PKTTYPE_ACK = 5 /* Acknowledgement */
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};
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typedef struct _e_vspp {
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guint16 vspp_sport;
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guint16 vspp_dport;
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guint8 vspp_pkttype;
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guint8 vspp_control;
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guint16 vspp_lclid; /* Local Connection ID */
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guint16 vspp_rmtid; /* Remote Connection ID */
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guint16 vspp_seqno; /* Sequence Number */
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guint16 vspp_ack; /* Acknowledgement Number */
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guint16 vspp_win;
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} e_vspp;
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typedef struct _e_vipc {
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guint16 vipc_sport;
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guint16 vipc_dport;
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guint8 vipc_pkttype;
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guint8 vipc_control;
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guint16 vipc_lclid; /* Local Connection ID */
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guint16 vipc_rmtid; /* Remote Connection ID */
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guint16 vipc_seqno; /* Sequence Number */
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guint16 vipc_ack; /* Acknowledgement Number */
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guint16 vipc_err_len;
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} e_vipc;
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static gboolean
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capture_vines(const guchar *pd _U_, int offset _U_, int len _U_, capture_packet_info_t *cpinfo, const union wtap_pseudo_header *pseudo_header _U_)
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{
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capture_dissector_increment_count(cpinfo, proto_vines);
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return TRUE;
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}
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static dissector_handle_t vines_ip_handle;
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/* Control flags */
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#define VINES_FRP_FIRST_FRAGMENT 0x01
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#define VINES_FRP_LAST_FRAGMENT 0x02
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/* AFAIK Vines FRP (Fragmentation Protocol) is used on all media except
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* Ethernet and TR (and probably FDDI) - Fragmentation on these media types
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* is not possible
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* FIXME: Do we need to use this header with PPP too?
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*/
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static int
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dissect_vines_frp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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proto_tree *vines_frp_tree;
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proto_item *ti;
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proto_tree *flags_tree;
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tvbuff_t *next_tvb;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines FRP");
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col_clear(pinfo->cinfo, COL_INFO);
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if (tree) {
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ti = proto_tree_add_item(tree, proto_vines_frp, tvb, 0, 2, ENC_NA);
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vines_frp_tree = proto_item_add_subtree(ti, ett_vines_frp);
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ti = proto_tree_add_item(vines_frp_tree, hf_vines_frp_flags, tvb, 0, 1, ENC_NA);
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flags_tree = proto_item_add_subtree(ti, ett_vines_frp_flags);
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proto_tree_add_item(flags_tree, hf_vines_frp_flags_first_fragment, tvb, 0, 1, ENC_NA);
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proto_tree_add_item(flags_tree, hf_vines_frp_flags_last_fragment, tvb, 0, 1, ENC_NA);
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proto_tree_add_item(vines_frp_tree, hf_vines_frp_sequence_number, tvb, 1, 1, ENC_LITTLE_ENDIAN);
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}
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/* Decode the "real" Vines now */
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next_tvb = tvb_new_subset_remaining(tvb, 2);
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call_dissector(vines_ip_handle, next_tvb, pinfo, tree);
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return tvb_captured_length(tvb);
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}
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static int
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dissect_vines_frp_new(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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void *params _U_)
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{
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if (pinfo->srcport != pinfo->destport) {
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/* Require that the source and destination ports be the
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* port for Vines FRP. */
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return 0;
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}
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if (!tvb_bytes_exist(tvb, 0, 1)) {
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/* Too short to check the flags value. */
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return 0;
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}
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if ((tvb_get_guint8(tvb, 0) & ~(VINES_FRP_FIRST_FRAGMENT|VINES_FRP_LAST_FRAGMENT)) != 0) {
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/* Those are the only flags; if anything else is set, this
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* is presumably not Vines FRP. */
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return 0;
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}
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dissect_vines_frp(tvb, pinfo, tree, params);
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return tvb_captured_length(tvb);
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}
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void
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proto_register_vines_frp(void)
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{
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static hf_register_info hf[] = {
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{ &hf_vines_frp_flags,
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{ "Control Flags", "vines_frp.flags",
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FT_UINT8, BASE_HEX, NULL, 0x0,
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NULL, HFILL }},
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{ &hf_vines_frp_flags_first_fragment,
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{ "First fragment", "vines_frp.flags.first_fragment",
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FT_BOOLEAN, 8, NULL, VINES_FRP_FIRST_FRAGMENT,
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NULL, HFILL }},
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{ &hf_vines_frp_flags_last_fragment,
|
|
{ "Last fragment", "vines_frp.flags.last_fragment",
|
|
FT_BOOLEAN, 8, NULL, VINES_FRP_LAST_FRAGMENT,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_frp_sequence_number,
|
|
{ "Sequence Number", "vines_frp.sequence_number",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_vines_frp,
|
|
&ett_vines_frp_flags
|
|
};
|
|
|
|
proto_vines_frp = proto_register_protocol(
|
|
"Banyan Vines Fragmentation Protocol", "Vines FRP", "vines_frp");
|
|
proto_register_field_array(proto_vines_ip, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vines_frp(void)
|
|
{
|
|
dissector_handle_t vines_frp_handle, vines_frp_new_handle;
|
|
|
|
vines_frp_handle = create_dissector_handle(dissect_vines_frp,
|
|
proto_vines_frp);
|
|
dissector_add_uint("ip.proto", IP_PROTO_VINES, vines_frp_handle);
|
|
|
|
vines_frp_new_handle = create_dissector_handle(dissect_vines_frp_new,
|
|
proto_vines_frp);
|
|
dissector_add_uint("udp.port", UDP_PORT_VINES, vines_frp_new_handle);
|
|
}
|
|
|
|
static dissector_table_t vines_llc_dissector_table;
|
|
|
|
#define VINES_LLC_IP 0xba
|
|
#define VINES_LLC_ECHO 0xbb
|
|
|
|
static const value_string vines_llc_ptype_vals[] = {
|
|
{ VINES_LLC_IP, "Vines IP" },
|
|
{ VINES_LLC_ECHO, "Vines Echo" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_vines_llc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
guint8 ptype;
|
|
proto_tree *vines_llc_tree;
|
|
proto_item *ti;
|
|
tvbuff_t *next_tvb;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines LLC");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
ptype = tvb_get_guint8(tvb, 0);
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(ptype, vines_llc_ptype_vals,
|
|
"Unknown protocol 0x%02x"));
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_vines_llc, tvb, 0, 1, ENC_NA);
|
|
vines_llc_tree = proto_item_add_subtree(ti, ett_vines_llc);
|
|
|
|
proto_tree_add_item(vines_llc_tree, hf_vines_llc_packet_type, tvb, 0, 1, ENC_NA);
|
|
}
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, 1);
|
|
if (!dissector_try_uint(vines_llc_dissector_table, ptype,
|
|
next_tvb, pinfo, tree))
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_vines_llc(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_vines_llc_packet_type,
|
|
{ "Packet Type", "vines_llc.packet_type",
|
|
FT_UINT8, BASE_HEX, VALS(vines_llc_ptype_vals), 0x0,
|
|
NULL, HFILL }},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_vines_llc,
|
|
};
|
|
|
|
proto_vines_llc = proto_register_protocol(
|
|
"Banyan Vines LLC", "Vines LLC", "vines_llc");
|
|
proto_register_field_array(proto_vines_ip, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* subdissector code */
|
|
vines_llc_dissector_table = register_dissector_table("vines_llc.ptype",
|
|
"Vines LLC protocol", proto_vines_llc, FT_UINT8, BASE_HEX, DISSECTOR_TABLE_NOT_ALLOW_DUPLICATE);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vines_llc(void)
|
|
{
|
|
dissector_handle_t vines_llc_handle;
|
|
|
|
vines_llc_handle = create_dissector_handle(dissect_vines_llc,
|
|
proto_vines_llc);
|
|
dissector_add_uint("llc.dsap", SAP_VINES2, vines_llc_handle);
|
|
}
|
|
|
|
static dissector_table_t vines_ip_dissector_table;
|
|
|
|
static const value_string class_vals[] = {
|
|
{ 0x00, "Regardless of cost" },
|
|
{ 0x10, "Without cost" },
|
|
{ 0x20, "With low cost (>= 4800 bps)" },
|
|
{ 0x30, "Via LAN" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string proto_vals[] = {
|
|
{ VIP_PROTO_IPC, "IPC" },
|
|
{ VIP_PROTO_SPP, "SPP" },
|
|
{ VIP_PROTO_ARP, "ARP" },
|
|
{ VIP_PROTO_RTP, "RTP" },
|
|
{ VIP_PROTO_ICP, "ICP" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const guint8 bcast_addr[VINES_ADDR_LEN] = {
|
|
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
|
|
};
|
|
|
|
static const true_false_string tfs_vine_tctl_router_all = { "Router nodes", "All nodes" };
|
|
static const true_false_string tfs_vine_tctl_forward_router = { "Can handle redirect packets", "Cannot handle redirect packets" };
|
|
static const true_false_string tfs_vine_tctl_return_not_return = { "Return", "Do not return" };
|
|
|
|
static int
|
|
dissect_vines_ip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
int offset = 0;
|
|
guint16 vip_pktlen;
|
|
guint8 vip_tctl; /* Transport Control */
|
|
guint8 vip_proto;
|
|
proto_tree *vip_tree, *tctl_tree;
|
|
proto_item *ti;
|
|
gboolean is_broadcast = FALSE;
|
|
tvbuff_t *next_tvb;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines IP");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* To do: check for runts, errs, etc. */
|
|
|
|
/* capture the necessary parts of the header */
|
|
vip_pktlen = tvb_get_ntohs(tvb, offset+2);
|
|
vip_tctl = tvb_get_guint8(tvb, offset+3);
|
|
vip_proto = tvb_get_guint8(tvb, offset+4);
|
|
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s (0x%02x)",
|
|
val_to_str_const(vip_tctl, proto_vals, "Unknown VIP protocol"),
|
|
vip_tctl);
|
|
|
|
set_address_tvb(&pinfo->net_src, AT_VINES, VINES_ADDR_LEN, tvb, offset+12);
|
|
copy_address_shallow(&pinfo->src, &pinfo->net_src);
|
|
set_address_tvb(&pinfo->net_dst, AT_VINES, VINES_ADDR_LEN, tvb, offset+6);
|
|
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
|
|
|
|
/* helpers to transport control */
|
|
if (tvb_memeql(tvb, offset+6, bcast_addr, VINES_ADDR_LEN) == 0)
|
|
is_broadcast = TRUE;
|
|
|
|
/*
|
|
* Adjust the length of this tvbuff to include only the Vines IP
|
|
* datagram.
|
|
*/
|
|
set_actual_length(tvb, vip_pktlen < 18 ? 18 : vip_pktlen);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_vines_ip, tvb, offset, vip_pktlen, ENC_NA);
|
|
vip_tree = proto_item_add_subtree(ti, ett_vines_ip);
|
|
proto_tree_add_item(vip_tree, hf_vines_ip_checksum, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(vip_tree, hf_vines_ip_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
ti = proto_tree_add_item(vip_tree, hf_vines_tctl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
tctl_tree = proto_item_add_subtree(ti, ett_vines_ip_tctl);
|
|
/*
|
|
* XXX - bit 0x80 is "Normal" if 0; what is it if 1?
|
|
*/
|
|
if (is_broadcast) {
|
|
proto_tree_add_item(tctl_tree, hf_vines_tctl_node, tvb, offset, 1, ENC_NA);
|
|
proto_tree_add_item(tctl_tree, hf_vines_tctl_class, tvb, offset, 1, ENC_NA);
|
|
} else {
|
|
proto_tree_add_item(tctl_tree, hf_vines_tctl_forward_router, tvb, offset, 1, ENC_NA);
|
|
proto_tree_add_item(tctl_tree, hf_vines_tctl_metric, tvb, offset, 1, ENC_NA);
|
|
proto_tree_add_item(tctl_tree, hf_vines_tctl_notif_packet, tvb, offset, 1, ENC_NA);
|
|
}
|
|
|
|
proto_tree_add_item(tctl_tree, hf_vines_tctl_hop_count, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(vip_tree, hf_vines_ip_protocol, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(vip_tree, hf_vines_ip_destination, tvb, offset, VINES_ADDR_LEN, ENC_NA);
|
|
offset += 6;
|
|
|
|
proto_tree_add_item(vip_tree, hf_vines_ip_source, tvb, offset, VINES_ADDR_LEN, ENC_NA);
|
|
offset += 6;
|
|
} else {
|
|
offset += 18;
|
|
}
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
if (!dissector_try_uint(vines_ip_dissector_table, vip_proto,
|
|
next_tvb, pinfo, tree))
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_vines_ip(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_vines_ip,
|
|
&ett_vines_ip_tctl,
|
|
};
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_vines_ip_protocol,
|
|
{ "Protocol", "vines_ip.protocol",
|
|
FT_UINT8, BASE_HEX, VALS(proto_vals), 0x0,
|
|
"Vines protocol", HFILL }},
|
|
|
|
{ &hf_vines_ip_checksum,
|
|
{ "Packet checksum", "vines_ip.checksum",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ip_length,
|
|
{ "Packet length", "vines_ip.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_tctl,
|
|
{ "Transport control", "vines_ip.tctl",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_tctl_node,
|
|
{ "Nodes", "vines_ip.tctl.node",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_tctl_router_all), 0x40,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_tctl_class,
|
|
{ "Reachable", "vines_ip.tctl.class",
|
|
FT_UINT8, BASE_DEC, VALS(class_vals), 0x30,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_tctl_forward_router,
|
|
{ "Forwarding Router", "vines_ip.tctl.forward_router",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_tctl_forward_router), 0x40,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_tctl_metric,
|
|
{ "Metric notification packet", "vines_ip.tctl.metric",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_tctl_return_not_return), 0x20,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_tctl_notif_packet,
|
|
{ "Exception notification packet", "vines_ip.tctl.notif_packet",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_tctl_return_not_return), 0x10,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_tctl_hop_count,
|
|
{ "Hop count remaining", "vines_ip.tctl.hop_count",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0F,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ip_destination,
|
|
{ "Destination", "vines_ip.destination",
|
|
FT_VINES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ip_source,
|
|
{ "Source", "vines_ip.source",
|
|
FT_VINES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
};
|
|
|
|
proto_vines_ip = proto_register_protocol("Banyan Vines IP", "Vines IP",
|
|
"vines_ip");
|
|
proto_register_field_array(proto_vines_ip, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* subdissector code */
|
|
vines_ip_dissector_table = register_dissector_table("vines_ip.protocol",
|
|
"Vines protocol", proto_vines_ip, FT_UINT8, BASE_HEX, DISSECTOR_TABLE_NOT_ALLOW_DUPLICATE);
|
|
|
|
vines_ip_handle = create_dissector_handle(dissect_vines_ip,
|
|
proto_vines_ip);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vines_ip(void)
|
|
{
|
|
dissector_add_uint("ethertype", ETHERTYPE_VINES_IP, vines_ip_handle);
|
|
dissector_add_uint("ppp.protocol", PPP_VINES, vines_ip_handle);
|
|
dissector_add_uint("arcnet.protocol_id", ARCNET_PROTO_BANYAN,
|
|
vines_ip_handle);
|
|
dissector_add_uint("vines_llc.ptype", VINES_LLC_IP, vines_ip_handle);
|
|
}
|
|
|
|
static int
|
|
dissect_vines_echo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
proto_tree *vines_echo_tree = NULL;
|
|
proto_item *ti;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines Echo");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_vines_echo, tvb, 0, -1, ENC_NA);
|
|
vines_echo_tree = proto_item_add_subtree(ti, ett_vines_echo);
|
|
proto_tree_add_item(vines_echo_tree, hf_vines_echo_data, tvb, 0, -1, ENC_NA);
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_vines_echo(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_vines_echo_data,
|
|
{ "Data", "vines_echo.data",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_vines_echo,
|
|
};
|
|
|
|
proto_vines_echo = proto_register_protocol(
|
|
"Banyan Vines Echo", "Vines Echo", "vines_echo");
|
|
proto_register_field_array(proto_vines_echo, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vines_echo(void)
|
|
{
|
|
dissector_handle_t vines_echo_handle;
|
|
|
|
vines_echo_handle = create_dissector_handle(dissect_vines_echo,
|
|
proto_vines_echo);
|
|
dissector_add_uint("vines_llc.ptype", VINES_LLC_ECHO, vines_echo_handle);
|
|
dissector_add_uint("ethertype", ETHERTYPE_VINES_ECHO, vines_echo_handle);
|
|
}
|
|
|
|
static const value_string pkttype_vals[] = {
|
|
{ PKTTYPE_DGRAM, "Datagram" },
|
|
{ PKTTYPE_DATA, "Data" },
|
|
{ PKTTYPE_ERR, "Error" },
|
|
{ PKTTYPE_DISC, "Disconnect" },
|
|
{ PKTTYPE_PROBE, "Probe" },
|
|
{ PKTTYPE_ACK, "Ack" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static heur_dissector_list_t vines_ipc_heur_subdissector_list;
|
|
|
|
static const value_string vipc_err_vals[] = {
|
|
{ 151, "Bad socket descriptor" },
|
|
{ 152, "Address already in use" },
|
|
{ 153, "Invalid operation" },
|
|
{ 154, "User address parameter fault" },
|
|
{ 155, "Net/host unreachable" },
|
|
{ 156, "Message overflow error" },
|
|
{ 157, "Destination socket does not exist" },
|
|
{ 158, "Address family does not exist" },
|
|
{ 159, "Socket type does not exist" },
|
|
{ 160, "Protocol does not exist" },
|
|
{ 161, "No more sockets available" },
|
|
{ 162, "No buffer space available" },
|
|
{ 163, "Timeout event" },
|
|
{ 164, "Operation not supported" },
|
|
{ 165, "Resource not available" },
|
|
{ 166, "Internal communication service failure" },
|
|
{ 167, "Controller reset failure" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const true_false_string tfs_vine_ipc_send_not_send = { "Send", "Do not Send" };
|
|
static const true_false_string tfs_vine_ipc_abort_not_abort = { "Abort", "Do not abort" };
|
|
|
|
static int
|
|
dissect_vines_ipc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
int offset = 0;
|
|
e_vipc viph;
|
|
proto_tree *vipc_tree = NULL, *control_tree;
|
|
proto_item *ti;
|
|
tvbuff_t *next_tvb;
|
|
heur_dtbl_entry_t *hdtbl_entry;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "VIPC");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* To do: check for runts, errs, etc. */
|
|
|
|
/* Avoids alignment problems on many architectures. */
|
|
tvb_memcpy(tvb, (guint8 *)&viph, offset, sizeof(e_vipc));
|
|
|
|
viph.vipc_sport = g_ntohs(viph.vipc_sport);
|
|
viph.vipc_dport = g_ntohs(viph.vipc_dport);
|
|
viph.vipc_lclid = g_ntohs(viph.vipc_lclid);
|
|
viph.vipc_rmtid = g_ntohs(viph.vipc_rmtid);
|
|
viph.vipc_seqno = g_ntohs(viph.vipc_seqno);
|
|
viph.vipc_ack = g_ntohs(viph.vipc_ack);
|
|
viph.vipc_err_len = g_ntohs(viph.vipc_err_len);
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines IPC");
|
|
switch (viph.vipc_pkttype) {
|
|
|
|
case PKTTYPE_DGRAM:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO,
|
|
"%s D=%04x S=%04x",
|
|
val_to_str(viph.vipc_pkttype, pkttype_vals,
|
|
"Unknown packet type (0x%02x)"),
|
|
viph.vipc_dport, viph.vipc_sport);
|
|
break;
|
|
|
|
case PKTTYPE_ERR:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO,
|
|
"%s NS=%u NR=%u Err=%s RID=%04x LID=%04x D=%04x S=%04x",
|
|
val_to_str(viph.vipc_pkttype, pkttype_vals,
|
|
"Unknown packet type (0x%02x)"),
|
|
viph.vipc_seqno, viph.vipc_ack,
|
|
val_to_str(viph.vipc_err_len,
|
|
vipc_err_vals, "Unknown (%u)"),
|
|
viph.vipc_rmtid, viph.vipc_lclid,
|
|
viph.vipc_dport, viph.vipc_sport);
|
|
break;
|
|
|
|
default:
|
|
col_add_fstr(pinfo->cinfo, COL_INFO,
|
|
"%s NS=%u NR=%u Len=%u RID=%04x LID=%04x D=%04x S=%04x",
|
|
val_to_str(viph.vipc_pkttype, pkttype_vals,
|
|
"Unknown packet type (0x%02x)"),
|
|
viph.vipc_seqno, viph.vipc_ack,
|
|
viph.vipc_err_len, viph.vipc_rmtid,
|
|
viph.vipc_lclid, viph.vipc_dport,
|
|
viph.vipc_sport);
|
|
break;
|
|
}
|
|
|
|
ti = proto_tree_add_item(tree, proto_vines_ipc, tvb, offset, sizeof(viph), ENC_NA);
|
|
vipc_tree = proto_item_add_subtree(ti, ett_vines_ipc);
|
|
|
|
proto_tree_add_item(vipc_tree, hf_vines_ipc_src_port, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(vipc_tree, hf_vines_ipc_dest_port, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(vipc_tree, hf_vines_ipc_packet_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
if (viph.vipc_pkttype != PKTTYPE_DGRAM) {
|
|
ti = proto_tree_add_item(vipc_tree, hf_vines_ipc_control, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
control_tree = proto_item_add_subtree(ti, ett_vines_ipc_control);
|
|
/*
|
|
* XXX - do reassembly based on BOM/EOM bits.
|
|
*/
|
|
proto_tree_add_item(control_tree, hf_vines_ipc_control_ack, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(control_tree, hf_vines_ipc_control_end_msg, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(control_tree, hf_vines_ipc_control_beg_msg, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(control_tree, hf_vines_ipc_control_abort_msg, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
offset += 1;
|
|
if (viph.vipc_pkttype != PKTTYPE_DGRAM) {
|
|
proto_tree_add_item(vipc_tree, hf_vines_ipc_local_connection_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(vipc_tree, hf_vines_ipc_remote_connection_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(vipc_tree, hf_vines_ipc_sequence_number, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(vipc_tree, hf_vines_ipc_ack_number, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
if (viph.vipc_pkttype == PKTTYPE_ERR) {
|
|
proto_tree_add_item(vipc_tree, hf_vines_ipc_error, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
} else {
|
|
proto_tree_add_item(vipc_tree, hf_vines_ipc_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
offset += 2;
|
|
}
|
|
|
|
/*
|
|
* For data packets, try the heuristic dissectors for Vines SPP;
|
|
* if none of them accept the packet, or if it's not a data packet,
|
|
* dissect it as data.
|
|
*/
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
if (viph.vipc_pkttype != PKTTYPE_DATA ||
|
|
!dissector_try_heuristic(vines_ipc_heur_subdissector_list,
|
|
next_tvb, pinfo, tree, &hdtbl_entry, NULL))
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_vines_ipc(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_vines_ipc_src_port,
|
|
{ "Source port", "vines_ipc.src_port",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_dest_port,
|
|
{ "Destination port", "vines_ipc.dest_port",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_packet_type,
|
|
{ "Packet type", "vines_ipc.packet_type",
|
|
FT_UINT8, BASE_HEX, VALS(pkttype_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_control,
|
|
{ "Control", "vines_ipc.control",
|
|
FT_UINT8, BASE_HEX, VALS(pkttype_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_control_ack,
|
|
{ "Immediate acknowledgment", "vines_ipc.control.ack",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_ipc_send_not_send), 0x80,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_control_end_msg,
|
|
{ "End of message", "vines_ipc.control.end_msg",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x40,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_control_beg_msg,
|
|
{ "Beginning of message", "vines_ipc.control.beg_msg",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x20,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_control_abort_msg,
|
|
{ "Current message", "vines_ipc.control.abort_msg",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_ipc_abort_not_abort), 0x10,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_local_connection_id,
|
|
{ "Local Connection ID", "vines_ipc.local_connection_id",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_remote_connection_id,
|
|
{ "Remote Connection ID", "vines_ipc.remote_connection_id",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_sequence_number,
|
|
{ "Sequence number", "vines_ipc.sequence_number",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_ack_number,
|
|
{ "Ack number", "vines_ipc.ack_number",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_error,
|
|
{ "Error", "vines_ipc.error",
|
|
FT_UINT16, BASE_DEC, VALS(vipc_err_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_ipc_length,
|
|
{ "Length", "vines_ipc.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_vines_ipc,
|
|
&ett_vines_ipc_control,
|
|
};
|
|
|
|
proto_vines_ipc = proto_register_protocol("Banyan Vines IPC",
|
|
"Vines IPC", "vines_ipc");
|
|
proto_register_field_array(proto_vines_ipc, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
vines_ipc_heur_subdissector_list = register_heur_dissector_list("vines_ipc", proto_vines_ipc);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vines_ipc(void)
|
|
{
|
|
dissector_handle_t vines_ipc_handle;
|
|
|
|
vines_ipc_handle = create_dissector_handle(dissect_vines_ipc,
|
|
proto_vines_ipc);
|
|
dissector_add_uint("vines_ip.protocol", VIP_PROTO_IPC, vines_ipc_handle);
|
|
}
|
|
|
|
static heur_dissector_list_t vines_spp_heur_subdissector_list;
|
|
|
|
static int
|
|
dissect_vines_spp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
int offset = 0;
|
|
e_vspp viph;
|
|
proto_tree *vspp_tree, *control_tree;
|
|
proto_item *ti;
|
|
tvbuff_t *next_tvb;
|
|
heur_dtbl_entry_t *hdtbl_entry;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "VSPP");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* To do: check for runts, errs, etc. */
|
|
|
|
/* Avoids alignment problems on many architectures. */
|
|
tvb_memcpy(tvb, (guint8 *)&viph, offset, sizeof(e_vspp));
|
|
|
|
viph.vspp_sport = g_ntohs(viph.vspp_sport);
|
|
viph.vspp_dport = g_ntohs(viph.vspp_dport);
|
|
viph.vspp_lclid = g_ntohs(viph.vspp_lclid);
|
|
viph.vspp_rmtid = g_ntohs(viph.vspp_rmtid);
|
|
viph.vspp_seqno = g_ntohs(viph.vspp_seqno);
|
|
viph.vspp_ack = g_ntohs(viph.vspp_ack);
|
|
viph.vspp_win = g_ntohs(viph.vspp_win);
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines SPP");
|
|
col_add_fstr(pinfo->cinfo, COL_INFO,
|
|
"%s NS=%u NR=%u Window=%u RID=%04x LID=%04x D=%04x S=%04x",
|
|
val_to_str(viph.vspp_pkttype, pkttype_vals,
|
|
"Unknown packet type (0x%02x)"),
|
|
viph.vspp_seqno, viph.vspp_ack, viph.vspp_win,
|
|
viph.vspp_rmtid, viph.vspp_lclid, viph.vspp_dport,
|
|
viph.vspp_sport);
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_vines_spp, tvb, offset, sizeof(viph), ENC_NA);
|
|
vspp_tree = proto_item_add_subtree(ti, ett_vines_spp);
|
|
proto_tree_add_item(vspp_tree, hf_vines_spp_src_port, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(vspp_tree, hf_vines_spp_dest_port, tvb, offset+2, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(vspp_tree, hf_vines_spp_packet_type, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
|
|
ti = proto_tree_add_item(vspp_tree, hf_vines_spp_control, tvb, offset+5, 1, ENC_BIG_ENDIAN);
|
|
control_tree = proto_item_add_subtree(ti, ett_vines_spp_control);
|
|
/*
|
|
* XXX - do reassembly based on BOM/EOM bits.
|
|
*/
|
|
proto_tree_add_item(control_tree, hf_vines_spp_control_ack, tvb, offset+5, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(control_tree, hf_vines_spp_control_end_msg, tvb, offset+5, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(control_tree, hf_vines_spp_control_beg_msg, tvb, offset+5, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(control_tree, hf_vines_spp_control_abort_msg, tvb, offset+5, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(vspp_tree, hf_vines_spp_local_id, tvb, offset+6, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(vspp_tree, hf_vines_spp_remote_id, tvb, offset+8, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(vspp_tree, hf_vines_spp_seq_num, tvb, offset+10, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(vspp_tree, hf_vines_spp_ack_num, tvb, offset+12, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(vspp_tree, hf_vines_spp_window, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
} else {
|
|
offset += 16; /* sizeof SPP */
|
|
}
|
|
/*
|
|
* For data packets, try the heuristic dissectors for Vines SPP;
|
|
* if none of them accept the packet, or if it's not a data packet,
|
|
* dissect it as data.
|
|
*/
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
if (viph.vspp_pkttype != PKTTYPE_DATA ||
|
|
!dissector_try_heuristic(vines_spp_heur_subdissector_list,
|
|
next_tvb, pinfo, tree, &hdtbl_entry, NULL))
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_vines_spp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_vines_spp_src_port,
|
|
{ "Source port", "vines_spp.src_port",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_dest_port,
|
|
{ "Destination port", "vines_spp.dest_port",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_packet_type,
|
|
{ "Packet type", "vines_spp.packet_type",
|
|
FT_UINT8, BASE_HEX, VALS(pkttype_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_control,
|
|
{ "Control", "vines_spp.control",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_control_ack,
|
|
{ "Immediate acknowledgment", "vines_spp.control.ack",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_ipc_send_not_send), 0x80,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_control_end_msg,
|
|
{ "End of message", "vines_spp.control.end_msg",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x40,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_control_beg_msg,
|
|
{ "Beginning of message", "vines_spp.control.beg_msg",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x20,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_control_abort_msg,
|
|
{ "Current message", "vines_spp.control.abort_msg",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_ipc_abort_not_abort), 0x10,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_local_id,
|
|
{ "Local Connection ID", "vines_spp.local_id",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_remote_id,
|
|
{ "Remote Connection ID", "vines_spp.remote_id",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_seq_num,
|
|
{ "Sequence number", "vines_spp.seq_num",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_ack_num,
|
|
{ "Ack number", "vines_spp.ack_num",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_spp_window,
|
|
{ "Window", "vines_spp.window",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_vines_spp,
|
|
&ett_vines_spp_control,
|
|
};
|
|
|
|
proto_vines_spp = proto_register_protocol("Banyan Vines SPP",
|
|
"Vines SPP", "vines_spp");
|
|
proto_register_field_array(proto_vines_spp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
vines_spp_heur_subdissector_list = register_heur_dissector_list("vines_spp", proto_vines_spp);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vines_spp(void)
|
|
{
|
|
dissector_handle_t vines_spp_handle;
|
|
|
|
vines_spp_handle = create_dissector_handle(dissect_vines_spp,
|
|
proto_vines_spp);
|
|
dissector_add_uint("vines_ip.protocol", VIP_PROTO_SPP, vines_spp_handle);
|
|
}
|
|
|
|
#define VINES_VERS_PRE_5_5 0x00
|
|
#define VINES_VERS_5_5 0x01
|
|
|
|
static const value_string vines_version_vals[] = {
|
|
{ VINES_VERS_PRE_5_5, "Pre-5.50" },
|
|
{ VINES_VERS_5_5, "5.50" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define VARP_QUERY_REQ 0x00
|
|
#define VARP_SERVICE_RESP 0x01
|
|
#define VARP_ASSIGNMENT_REQ 0x02
|
|
#define VARP_ASSIGNMENT_RESP 0x03
|
|
|
|
static const value_string vines_arp_packet_type_vals[] = {
|
|
{ VARP_QUERY_REQ, "Query request" },
|
|
{ VARP_SERVICE_RESP, "Service response" },
|
|
{ VARP_ASSIGNMENT_REQ, "Assignment request" },
|
|
{ VARP_ASSIGNMENT_RESP, "Assignment response" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_vines_arp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
proto_tree *vines_arp_tree;
|
|
proto_item *ti;
|
|
guint8 version;
|
|
guint16 packet_type;
|
|
guint16 metric;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines ARP");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
ti = proto_tree_add_item(tree, proto_vines_arp, tvb, 0, -1, ENC_NA);
|
|
vines_arp_tree = proto_item_add_subtree(ti, ett_vines_arp);
|
|
|
|
version = tvb_get_guint8(tvb, 0);
|
|
proto_tree_add_item(vines_arp_tree, hf_vines_arp_version, tvb, 0, 1, ENC_NA);
|
|
|
|
if (version == VINES_VERS_5_5) {
|
|
/*
|
|
* Sequenced ARP.
|
|
*/
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines SARP");
|
|
packet_type = tvb_get_guint8(tvb, 1);
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(packet_type, vines_arp_packet_type_vals,
|
|
"Unknown (0x%02x)"));
|
|
|
|
proto_tree_add_item(vines_arp_tree, hf_vines_arp_packet_type, tvb, 1, 1, ENC_NA);
|
|
|
|
if (packet_type == VARP_ASSIGNMENT_RESP) {
|
|
col_append_fstr(pinfo->cinfo, COL_INFO,
|
|
", Address = %s",
|
|
tvb_address_to_str(wmem_packet_scope(), tvb, AT_VINES, 2));
|
|
proto_tree_add_item(vines_arp_tree, hf_vines_arp_address, tvb, 2, VINES_ADDR_LEN, ENC_NA);
|
|
}
|
|
proto_tree_add_item(vines_arp_tree, hf_vines_arp_sequence_number, tvb, 2+VINES_ADDR_LEN, 4, ENC_BIG_ENDIAN);
|
|
metric = tvb_get_ntohs(tvb, 2+VINES_ADDR_LEN+4);
|
|
proto_tree_add_uint_format_value(vines_arp_tree, hf_vines_arp_interface_metric, tvb,
|
|
2+VINES_ADDR_LEN+4, 2, metric,
|
|
"%u ticks (%g seconds)",
|
|
metric, metric*.2);
|
|
} else {
|
|
/*
|
|
* Non-sequenced ARP.
|
|
*/
|
|
packet_type = (guint8) tvb_get_ntohs(tvb, 0);
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(packet_type, vines_arp_packet_type_vals,
|
|
"Unknown (0x%02x)"));
|
|
proto_tree_add_item(vines_arp_tree, hf_vines_arp_packet_type, tvb, 0, 2, ENC_BIG_ENDIAN);
|
|
|
|
if (packet_type == VARP_ASSIGNMENT_RESP) {
|
|
col_append_fstr(pinfo->cinfo, COL_INFO,
|
|
", Address = %s",
|
|
tvb_address_to_str(wmem_packet_scope(), tvb, AT_VINES, 2));
|
|
|
|
proto_tree_add_item(vines_arp_tree, hf_vines_arp_address, tvb, 2, VINES_ADDR_LEN, ENC_NA);
|
|
}
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_vines_arp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_vines_arp_version,
|
|
{ "Version", "vines_arp.version",
|
|
FT_UINT8, BASE_HEX, VALS(vines_version_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_arp_packet_type,
|
|
{ "Packet Type", "vines_arp.packet_type",
|
|
FT_UINT8, BASE_HEX, VALS(vines_arp_packet_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_arp_address,
|
|
{ "Address", "vines_arp.address",
|
|
FT_VINES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_arp_sequence_number,
|
|
{ "Sequence Number", "vines_arp.sequence_number",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_arp_interface_metric,
|
|
{ "Interface Metric", "vines_arp.interface_metric",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_vines_arp,
|
|
};
|
|
|
|
proto_vines_arp = proto_register_protocol(
|
|
"Banyan Vines ARP", "Vines ARP", "vines_arp");
|
|
proto_register_field_array(proto_vines_spp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vines_arp(void)
|
|
{
|
|
dissector_handle_t vines_arp_handle;
|
|
|
|
vines_arp_handle = create_dissector_handle(dissect_vines_arp,
|
|
proto_vines_arp);
|
|
dissector_add_uint("vines_ip.protocol", VIP_PROTO_ARP, vines_arp_handle);
|
|
}
|
|
|
|
#define VRTP_OP_REQUEST 0x01
|
|
#define VRTP_OP_UPDATE_RESPONSE 0x02
|
|
#define VRTP_OP_REDIRECT 0x03
|
|
#define VRTP_OP_REINITIALIZE 0x04
|
|
#define VRTP_OP_REDIRECT2 0x06
|
|
|
|
static const value_string vines_rtp_operation_type_vals[] = {
|
|
{ VRTP_OP_REQUEST, "Request" },
|
|
{ VRTP_OP_UPDATE_RESPONSE, "Update/response" },
|
|
{ VRTP_OP_REDIRECT, "Redirect" },
|
|
{ VRTP_OP_REINITIALIZE, "Reinitialize" },
|
|
{ VRTP_OP_REDIRECT2, "Redirect" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string vines_rtp_node_type_vals[] = {
|
|
{ 0x01, "Host" },
|
|
{ 0x02, "Router" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string vines_rtp_controller_type_vals[] = {
|
|
{ 0x00, "Default Card" },
|
|
{ 0x01, "Multibuffer" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string vines_rtp_info_type_vals[] = {
|
|
{ 0x00, "Update" },
|
|
{ 0x01, "Update" },
|
|
{ 0x02, "Response" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const true_false_string tfs_vine_auto_config_not_auto_config = { "Auto-configured", "Not an auto-configured" };
|
|
static const true_false_string tfs_vine_rtp_not_all_neighbor_all_neighbor = { "Not all neighbor routers support", "All neighbor routers support" };
|
|
static const true_false_string tfs_vine_rtp_sequenced_not_sequenced = { "Sequenced", "Not Sequenced" };
|
|
static const true_false_string tfs_part_not_part = { "Part of", "Not part of" };
|
|
static const true_false_string tfs_fast_bus_slow_bus = { "Fast bus", "Slow bus" };
|
|
static const true_false_string tfs_vine_rtp_no_yes = { "No", "Yes" };
|
|
|
|
static void
|
|
rtp_show_machine_type(proto_tree *tree, tvbuff_t *tvb, int offset, int hf_machine)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
|
|
ti = proto_tree_add_item(tree, hf_machine, tvb, offset, 1, ENC_NA);
|
|
subtree = proto_item_add_subtree(ti, ett_vines_rtp_mtype);
|
|
proto_tree_add_item(subtree, hf_vines_rtp_machine_rtp,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(subtree, hf_vines_rtp_machine_tcpip,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(subtree, hf_vines_rtp_machine_bus,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
rtp_show_flags(proto_tree *tree, tvbuff_t *tvb, int offset, int hf_flag)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *flags_tree;
|
|
|
|
ti = proto_tree_add_item(tree, hf_flag, tvb, offset, 1, ENC_NA);
|
|
flags_tree = proto_item_add_subtree(ti, ett_vines_rtp_flags);
|
|
proto_tree_add_item(flags_tree, hf_vines_rtp_flag_sequence_rtp,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_vines_rtp_flag_network_p2p,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_vines_rtp_flag_data_link_p2p,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_vines_rtp_flag_broadcast_medium,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static int
|
|
srtp_show_machine_info(proto_tree *tree, tvbuff_t *tvb, int offset, int hf_vines,
|
|
int hf_metric, int hf_nodetype, int hf_controller_type, int hf_machine)
|
|
{
|
|
guint16 metric;
|
|
|
|
proto_tree_add_item(tree, hf_vines, tvb, offset, VINES_ADDR_LEN, ENC_NA);
|
|
offset += VINES_ADDR_LEN;
|
|
metric = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_metric, tvb,
|
|
offset, 2, metric,
|
|
"%u ticks (%g seconds)",
|
|
metric, metric*.2);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_nodetype, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
rtp_show_machine_type(tree, tvb, offset, hf_machine);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_controller_type, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
rtp_show_gateway_info(proto_tree *tree, tvbuff_t *tvb, int offset,
|
|
guint8 link_addr_length, guint8 source_route_length)
|
|
{
|
|
if (link_addr_length != 0) {
|
|
proto_tree_add_item(
|
|
tree,
|
|
link_addr_length == 6 ? hf_vines_rtp_preferred_gateway_data_link_address_ether : hf_vines_rtp_preferred_gateway_data_link_address_bytes,
|
|
tvb, offset, link_addr_length, ENC_NA);
|
|
offset += link_addr_length;
|
|
}
|
|
if (source_route_length != 0) {
|
|
proto_tree_add_item(tree, hf_vines_rtp_preferred_gateway_source_route, tvb, offset, source_route_length, ENC_NA);
|
|
offset += source_route_length;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_vines_rtp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
int offset = 0;
|
|
proto_tree *vines_rtp_tree = NULL;
|
|
proto_item *ti;
|
|
proto_tree *subtree;
|
|
guint8 operation_type;
|
|
guint8 link_addr_length;
|
|
guint8 source_route_length;
|
|
guint16 metric;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines RTP");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
ti = proto_tree_add_item(tree, proto_vines_rtp, tvb, 0, -1, ENC_NA);
|
|
vines_rtp_tree = proto_item_add_subtree(ti, ett_vines_rtp);
|
|
|
|
if (tvb_get_guint8(tvb, 0) != 0) {
|
|
/*
|
|
* Non-sequenced RTP.
|
|
*/
|
|
operation_type = tvb_get_guint8(tvb, offset);
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(operation_type, vines_rtp_operation_type_vals,
|
|
"Unknown (0x%02x)"));
|
|
|
|
if (tree) {
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_operation_type, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_node_type, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_controller_type, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
rtp_show_machine_type(vines_rtp_tree, tvb, offset, hf_vines_rtp_machine_type);
|
|
offset += 1;
|
|
switch (operation_type) {
|
|
|
|
case VRTP_OP_REDIRECT:
|
|
case VRTP_OP_REDIRECT2:
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_version, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
link_addr_length = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_link_address_length, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
source_route_length = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_source_route_length, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
offset = srtp_show_machine_info(vines_rtp_tree, tvb, offset, hf_vines_rtp_destination,
|
|
hf_vines_rtp_metric_to_destination, hf_vines_rtp_destination_node_type,
|
|
hf_vines_rtp_destination_controller_type, hf_vines_rtp_destination_machine);
|
|
offset += 1;
|
|
offset = srtp_show_machine_info(vines_rtp_tree, tvb, offset, hf_vines_rtp_preferred_gateway,
|
|
hf_vines_rtp_metric_to_preferred_gateway, hf_vines_rtp_preferred_gateway_node_type,
|
|
hf_vines_rtp_pref_gateway_controller_type, hf_vines_rtp_pref_gateway_machine);
|
|
offset += 1;
|
|
rtp_show_gateway_info(vines_rtp_tree, tvb,offset, link_addr_length, source_route_length);
|
|
break;
|
|
|
|
default:
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_network_number, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
metric = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint_format_value(vines_rtp_tree, hf_vines_rtp_neighbor_metric, tvb,
|
|
offset, 2, metric,
|
|
"%u ticks (%g seconds)",
|
|
metric,
|
|
metric*.2);
|
|
offset += 2;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines SRTP");
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_version, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
operation_type = tvb_get_guint8(tvb, offset);
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(operation_type, vines_rtp_operation_type_vals,
|
|
"Unknown (0x%02x)"));
|
|
|
|
if (tree) {
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_operation_type, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_node_type, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
ti = proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_comp_flag,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
subtree = proto_item_add_subtree(ti, ett_vines_rtp_compatibility_flags);
|
|
|
|
proto_tree_add_item(subtree, hf_vines_rtp_comp_flag_neighbor_router, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(subtree, hf_vines_rtp_comp_flag_sequence_rtp, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(subtree, hf_vines_rtp_comp_flag_sequence_rtp_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
offset += 1; /* reserved */
|
|
switch (operation_type) {
|
|
|
|
case VRTP_OP_REQUEST:
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_requested_info, tvb, offset, 1, ENC_NA);
|
|
break;
|
|
|
|
case VRTP_OP_UPDATE_RESPONSE:
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_information_type, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
ti = proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_control, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
subtree = proto_item_add_subtree(ti, ett_vines_rtp_control_flags);
|
|
proto_tree_add_item(subtree, hf_vines_rtp_control_sync_broadcast, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(subtree, hf_vines_rtp_control_topology_update, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(subtree, hf_vines_rtp_control_specific_request, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* XXX - need reassembly? */
|
|
proto_tree_add_item(subtree, hf_vines_rtp_control_end_msg, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(subtree, hf_vines_rtp_control_beg_msg, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_packet_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_data_offset, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_router_sequence_number, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
metric = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint_format_value(vines_rtp_tree, hf_vines_rtp_metric, tvb,
|
|
offset, 2, metric,
|
|
"%u ticks (%g seconds)",
|
|
metric, metric*.2);
|
|
offset += 2;
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_network_number, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
metric = tvb_get_ntohs(tvb, offset);
|
|
if (metric == 0xffff) {
|
|
proto_tree_add_uint_format_value(vines_rtp_tree, hf_vines_rtp_neighbor_metric, tvb,
|
|
offset, 2, 0xffff, "Unreachable");
|
|
} else {
|
|
proto_tree_add_uint_format_value(vines_rtp_tree, hf_vines_rtp_neighbor_metric, tvb,
|
|
offset, 2, metric,
|
|
"%u ticks (%g seconds)",
|
|
metric, metric*.2);
|
|
}
|
|
offset += 2;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_sequence_number, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
rtp_show_flags(vines_rtp_tree, tvb, offset, hf_vines_rtp_network_flags);
|
|
offset += 1;
|
|
offset += 1; /* reserved */
|
|
}
|
|
break;
|
|
|
|
case VRTP_OP_REDIRECT:
|
|
link_addr_length = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_link_address_length, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
source_route_length = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_source_route_length, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_destination, tvb, offset, VINES_ADDR_LEN, ENC_NA);
|
|
offset += VINES_ADDR_LEN;
|
|
metric = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint_format_value(vines_rtp_tree, hf_vines_rtp_metric_to_destination, tvb,
|
|
offset, 2, metric,
|
|
"%u ticks (%g seconds)",
|
|
metric, metric*.2);
|
|
offset += 2;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_destination_node_type, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
rtp_show_flags(vines_rtp_tree, tvb, offset, hf_vines_rtp_destination_flags);
|
|
offset += 1;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_destination_sequence_number, tvb, ENC_BIG_ENDIAN, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_preferred_gateway, tvb, offset, VINES_ADDR_LEN, ENC_NA);
|
|
offset += VINES_ADDR_LEN;
|
|
metric = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint_format_value(vines_rtp_tree, hf_vines_rtp_metric_to_preferred_gateway, tvb,
|
|
offset, 2, metric,
|
|
"%u ticks (%g seconds)",
|
|
metric, metric*.2);
|
|
offset += 2;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_preferred_gateway_node_type, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
rtp_show_flags(vines_rtp_tree, tvb, offset, hf_vines_rtp_preferred_gateway_flags);
|
|
offset += 1;
|
|
proto_tree_add_item(vines_rtp_tree, hf_vines_rtp_preferred_gateway_sequence_number, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
rtp_show_gateway_info(vines_rtp_tree, tvb,offset, link_addr_length, source_route_length);
|
|
break;
|
|
|
|
case VRTP_OP_REINITIALIZE:
|
|
break;
|
|
}
|
|
|
|
}
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_vines_rtp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_vines_rtp_comp_flag,
|
|
{ "Compatibility Flags", "vines_rtp.comp_flag",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_comp_flag_neighbor_router,
|
|
{ "non-Vines-reachable neighbor router", "vines_rtp.comp_flag.neighbor_router",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_auto_config_not_auto_config), 0x04,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_comp_flag_sequence_rtp,
|
|
{ "Sequenced RTP", "vines_rtp.comp_flag.sequence_rtp",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_rtp_not_all_neighbor_all_neighbor), 0x02,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_comp_flag_sequence_rtp_version,
|
|
{ "RTP version mismatch", "vines_rtp.comp_flag.rtp_version",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_rtp_sequenced_not_sequenced), 0x01,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_control,
|
|
{ "Control Flags", "vines_rtp.control",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_control_sync_broadcast,
|
|
{ "Routing table synchronization broadcast", "vines_rtp.control.sync_broadcast",
|
|
FT_BOOLEAN, 8, TFS(&tfs_part_not_part), 0x10,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_control_topology_update,
|
|
{ "Full topology update", "vines_rtp.control.topology_update",
|
|
FT_BOOLEAN, 8, TFS(&tfs_part_not_part), 0x08,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_control_specific_request,
|
|
{ "Contains info specifically requested", "vines_rtp.control.specific_request",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x04,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_control_end_msg,
|
|
{ "End of message", "vines_rtp.control.end_msg",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x02,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_control_beg_msg,
|
|
{ "Beginning of message", "vines_rtp.control.beg_msg",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x01,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_machine_rtp,
|
|
{ "Sequenced RTP", "vines_rtp.machine.rtp",
|
|
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x04,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_machine_tcpip,
|
|
{ "TCP/IP", "vines_rtp.machine.tcpip",
|
|
FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x02,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_machine_bus,
|
|
{ "Bus", "vines_rtp.machine.bus",
|
|
FT_BOOLEAN, 8, TFS(&tfs_fast_bus_slow_bus), 0x01,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_flag_sequence_rtp,
|
|
{ "Network supports Sequenced RTP", "vines_rtp.flag.sequence_rtp",
|
|
FT_BOOLEAN, 8, TFS(&tfs_vine_rtp_no_yes), 0x08,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_flag_network_p2p,
|
|
{ "Network accessed point-to-point on non-Vines network", "vines_rtp.flag.network_p2p",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x04,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_flag_data_link_p2p,
|
|
{ "Data link to network uses point-to-point connection", "vines_rtp.flag.data_link_p2p",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x02,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_flag_broadcast_medium,
|
|
{ "Network accessed across broadcast medium", "vines_rtp.flag.broadcast_medium",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x01,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_operation_type,
|
|
{ "Operation Type", "vines_rtp.operation_type",
|
|
FT_UINT8, BASE_HEX, VALS(vines_rtp_operation_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_node_type,
|
|
{ "Node Type", "vines_rtp.node_type",
|
|
FT_UINT8, BASE_HEX, VALS(vines_rtp_node_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_controller_type,
|
|
{ "Controller Type", "vines_rtp.controller_type",
|
|
FT_UINT8, BASE_HEX, VALS(vines_rtp_controller_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_version,
|
|
{ "Version", "vines_rtp.version",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_link_address_length,
|
|
{ "Link Address Length", "vines_rtp.link_address_length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_source_route_length,
|
|
{ "Source Route Length", "vines_rtp.source_route_length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_network_number,
|
|
{ "Network Number", "vines_rtp.network_number",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_neighbor_metric,
|
|
{ "Neighbor Metric", "vines_rtp.neighbor_metric",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_requested_info,
|
|
{ "Requested Info", "vines_rtp.requested_info",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_information_type,
|
|
{ "Information Type", "vines_rtp.information_type",
|
|
FT_UINT8, BASE_HEX, VALS(vines_rtp_info_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_packet_id,
|
|
{ "Packet ID", "vines_rtp.packet_id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_data_offset,
|
|
{ "Data Offset", "vines_rtp.data_offset",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_router_sequence_number,
|
|
{ "Router Sequence Number", "vines_rtp.router_sequence_number",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_metric,
|
|
{ "Metric", "vines_rtp.metric",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_sequence_number,
|
|
{ "Sequence Number", "vines_rtp.sequence_number",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_destination,
|
|
{ "Destination", "vines_rtp.destination",
|
|
FT_VINES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_metric_to_destination,
|
|
{ "Metric to Destination", "vines_rtp.metric_to_destination",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_destination_node_type,
|
|
{ "Destination Node Type", "vines_rtp.destination_node_type",
|
|
FT_UINT8, BASE_HEX, VALS(vines_rtp_node_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_destination_sequence_number,
|
|
{ "Destination Sequence Number", "vines_rtp.destination_sequence_number",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_preferred_gateway,
|
|
{ "Preferred Gateway", "vines_rtp.preferred_gateway",
|
|
FT_VINES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_metric_to_preferred_gateway,
|
|
{ "Metric to Preferred Gateway", "vines_rtp.metric_to_preferred_gateway",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_preferred_gateway_node_type,
|
|
{ "Preferred Gateway Node Type", "vines_rtp.preferred_gateway_node_type",
|
|
FT_UINT8, BASE_HEX, VALS(vines_rtp_node_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_preferred_gateway_sequence_number,
|
|
{ "Preferred Gateway Sequence Number", "vines_rtp.preferred_gateway_sequence_number",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_machine_type,
|
|
{ "Machine Type", "vines_rtp.machine_type",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_destination_machine,
|
|
{ "Destination Machine Type", "vines_rtp.destination_machine_type",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_pref_gateway_machine,
|
|
{ "Preferred Gateway Machine Type", "vines_rtp.preferred_gateway_machine_type",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_destination_controller_type,
|
|
{ "Destination Controller Type", "vines_rtp.destination_controller_type",
|
|
FT_UINT8, BASE_HEX, VALS(vines_rtp_controller_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_pref_gateway_controller_type,
|
|
{ "Preferred Gateway Controller Type", "vines_rtp.preferred_gateway_controller_type",
|
|
FT_UINT8, BASE_HEX, VALS(vines_rtp_controller_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_network_flags,
|
|
{ "Network Flags", "vines_rtp.network_flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_destination_flags,
|
|
{ "Destination Flags", "vines_rtp.destination_flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_preferred_gateway_flags,
|
|
{ "Preferred Gateway Flags", "vines_rtp.preferred_gateway_flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_preferred_gateway_data_link_address_ether,
|
|
{ "Preferred Gateway Data Link Address", "vines_rtp.preferred_gateway_data_link_address",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_preferred_gateway_data_link_address_bytes,
|
|
{ "Preferred Gateway Data Link Address", "vines_rtp.preferred_gateway_data_link_address",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_rtp_preferred_gateway_source_route,
|
|
{ "Preferred Gateway Source Route", "vines_rtp.preferred_gateway_source_route",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_vines_rtp,
|
|
&ett_vines_rtp_compatibility_flags,
|
|
&ett_vines_rtp_req_info,
|
|
&ett_vines_rtp_control_flags,
|
|
&ett_vines_rtp_mtype,
|
|
&ett_vines_rtp_flags,
|
|
};
|
|
|
|
proto_vines_rtp = proto_register_protocol(
|
|
"Banyan Vines RTP", "Vines RTP", "vines_rtp");
|
|
proto_register_field_array(proto_vines_rtp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vines_rtp(void)
|
|
{
|
|
dissector_handle_t vines_rtp_handle;
|
|
|
|
vines_rtp_handle = create_dissector_handle(dissect_vines_rtp,
|
|
proto_vines_rtp);
|
|
dissector_add_uint("vines_ip.protocol", VIP_PROTO_RTP, vines_rtp_handle);
|
|
}
|
|
|
|
#define VICP_EXCEPTION_NOTIFICATION 0x0000
|
|
#define VICP_METRIC_NOTIFICATION 0x0001
|
|
|
|
static const value_string vines_icp_packet_type_vals[] = {
|
|
{ VICP_EXCEPTION_NOTIFICATION, "Exception notification" },
|
|
{ VICP_METRIC_NOTIFICATION, "Metric notification" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_vines_icp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
int offset = 0;
|
|
proto_tree *vines_icp_tree;
|
|
proto_item *ti;
|
|
guint16 packet_type;
|
|
guint16 exception_code;
|
|
guint16 metric;
|
|
gboolean save_in_error_pkt;
|
|
tvbuff_t *next_tvb;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Vines ICP");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
ti = proto_tree_add_item(tree, proto_vines_icp, tvb, 0, -1, ENC_NA);
|
|
vines_icp_tree = proto_item_add_subtree(ti, ett_vines_icp);
|
|
|
|
packet_type = tvb_get_ntohs(tvb, offset);
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(packet_type, vines_icp_packet_type_vals,
|
|
"Unknown (0x%02x)"));
|
|
|
|
proto_tree_add_item(vines_icp_tree, hf_vines_icp_packet_type, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
switch (packet_type) {
|
|
|
|
case VICP_EXCEPTION_NOTIFICATION:
|
|
exception_code = tvb_get_ntohs(tvb, offset);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, ", %s",
|
|
val_to_str(exception_code, vipc_err_vals,
|
|
"Unknown exception code (%u)"));
|
|
proto_tree_add_item(vines_icp_tree, hf_vines_icp_exception_code, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case VICP_METRIC_NOTIFICATION:
|
|
metric = tvb_get_ntohs(tvb, offset);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, ", metric %u", metric);
|
|
proto_tree_add_item(vines_icp_tree, hf_vines_icp_metric, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
}
|
|
offset += 2;
|
|
|
|
/*
|
|
* Save the current value of the "we're inside an error packet"
|
|
* flag, and set that flag; subdissectors may treat packets
|
|
* that are the payload of error packets differently from
|
|
* "real" packets.
|
|
*/
|
|
save_in_error_pkt = pinfo->flags.in_error_pkt;
|
|
pinfo->flags.in_error_pkt = TRUE;
|
|
|
|
/* Decode the first 40 bytes of the original VIP datagram. */
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_dissector(vines_ip_handle, next_tvb, pinfo, vines_icp_tree);
|
|
|
|
/* Restore the "we're inside an error packet" flag. */
|
|
pinfo->flags.in_error_pkt = save_in_error_pkt;
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_vines_icp(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_vines_icp_packet_type,
|
|
{ "Packet Type", "vines_icp.packet_type",
|
|
FT_UINT16, BASE_HEX, VALS(vines_icp_packet_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_icp_exception_code,
|
|
{ "Exception Code", "vines_icp.exception_code",
|
|
FT_UINT16, BASE_DEC, VALS(vipc_err_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_vines_icp_metric,
|
|
{ "Metric", "vines_icp.metric",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_vines_icp,
|
|
};
|
|
|
|
proto_vines_icp = proto_register_protocol(
|
|
"Banyan Vines ICP", "Vines ICP", "vines_icp");
|
|
/* Placeholder for capture statistics */
|
|
proto_vines = proto_register_protocol("VINES", "VINES", "vines");
|
|
proto_register_field_array(proto_vines_icp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_vines_icp(void)
|
|
{
|
|
dissector_handle_t vines_icp_handle;
|
|
|
|
vines_icp_handle = create_dissector_handle(dissect_vines_icp,
|
|
proto_vines_icp);
|
|
dissector_add_uint("vines_ip.protocol", VIP_PROTO_ICP, vines_icp_handle);
|
|
register_capture_dissector("ethertype", ETHERTYPE_VINES_IP, capture_vines, proto_vines_ip);
|
|
register_capture_dissector("ethertype", ETHERTYPE_VINES_ECHO, capture_vines, proto_vines_echo);
|
|
register_capture_dissector("ppp_hdlc", PPP_VINES, capture_vines, proto_vines_echo);
|
|
register_capture_dissector("ip.proto", PPP_VINES, capture_vines, proto_vines_echo);
|
|
register_capture_dissector("ipv6.nxt", PPP_VINES, capture_vines, proto_vines_echo);
|
|
register_capture_dissector("llc.dsap", SAP_VINES1, capture_vines, proto_vines_echo);
|
|
register_capture_dissector("llc.dsap", SAP_VINES2, capture_vines, proto_vines_echo);
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
*/
|