767 lines
20 KiB
C
767 lines
20 KiB
C
/* packet-lon.c
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* Traffic analyzer for Lontalk/EIA-709.1 networks
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* Daniel Willmann <daniel@totalueberwachung.de>
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* (c) 2011 Daniel Willmann
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*
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* Used some code by habibi_khalid <khalidhabibi@gmx.de> and
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* Honorine_KEMGNE_NGUIFFO <honorinekemgne@yahoo.fr> from
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* https://gitlab.com/wireshark/wireshark/-/issues/4704
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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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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/expert.h>
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void proto_register_lon(void);
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void proto_reg_handoff_lon(void);
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static const value_string pdu_fmt_vs[]=
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{
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{0x00, "TPDU"},
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{0x01, "SPDU"},
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{0x02, "AuthPDU"},
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{0x03, "APDU"},
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{0, NULL}
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};
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static const value_string addr_fmt_vs[]=
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{
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{0x00, "Broadcast (0)"},
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{0x01, "Multicast (1)"},
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{0x02, "Unicast (2a)/Multicast (2b)"},
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{0x03, "Unicast (3)"},
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{0, NULL}
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};
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static const value_string domain_length_vs[]=
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{
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{0x00, "0 bit"},
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{0x01, "8 bit"},
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{0x02, "24 bit"},
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{0x03, "48 bit"},
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{0, NULL}
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};
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static const value_string tpdu_type_vs[]=
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{
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{0x00, "ACKD"},
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{0x01, "UnACKD_RPT"},
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{0x02, "ACK"},
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{0x04, "REMINDER"},
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{0x05, "REM/MSG"},
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{0, NULL}
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};
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static const value_string spdu_type_vs[]=
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{
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{0x00, "REQUEST"},
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{0x02, "RESPONSE"},
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{0x04, "REMINDER"},
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{0x05, "REM/MSG"},
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{0, NULL}
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};
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static const value_string authpdu_type_vs[]=
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{
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{0x00, "CHALLENGE"},
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{0x02, "REPLY"},
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{0, NULL}
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};
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static const value_string nm_code_vs[]=
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{
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{0x61, "NM_QUERY_ID"},
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{0x62, "NM_RESPOND_TO_QUERY"},
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{0x63, "NM_UPDATE_DOMAIN"},
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{0x64, "NM_LEAVE_DOMAIN"},
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{0x65, "NM_UPDATE_KEY"},
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{0x66, "NM_UPDATE_ADDR"},
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{0x67, "NM_QUERY_ADDR"},
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{0x68, "NM_QUERY_NV_CNFG"},
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{0x69, "NM_UPDATE_GROUP_ADDR"},
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{0x6A, "NM_QUERY_DOMAIN"},
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{0x6B, "NM_UPDATE_NV_CNFG"},
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{0x6C, "NM_SET_NODE_MODE"},
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{0x6D, "NM_READ_MEMORY"},
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{0x6E, "NM_WRITE_MEMORY"},
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{0x6F, "NM_CHECKSUM_RECALC"},
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{0x70, "NM_WINK"},
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{0x71, "NM_MEMORY_REFRESH"},
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{0x72, "NM_QUERY_SNVT"},
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{0x73, "NM_NV_FETCH"},
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{0x7F, "NM_MANUAL_SERVICE_REQUEST"},
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{ 0, NULL}
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};
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static const value_string nd_code_vs[]=
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{
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{0x51, "ND_QUERY_STATUS"},
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{0x52, "ND_PROXY_COMMAND"},
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{0x53, "ND_CLEAR_STATUS"},
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{0x54, "ND_QUERY_XCVR"},
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{0, NULL}
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};
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static gint hf_lon_ppdu = -1;
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static gint hf_lon_ppdu_prio = -1;
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static gint hf_lon_ppdu_alt = -1;
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static gint hf_lon_ppdu_deltabl = -1;
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static gint hf_lon_npdu = -1;
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static gint hf_lon_npdu_version = -1;
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static gint hf_lon_npdu_pdu_fmt = -1;
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static gint hf_lon_npdu_addr_fmt = -1;
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static gint hf_lon_npdu_dom_len = -1;
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static gint hf_lon_addr_srcsub = -1;
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static gint hf_lon_addr_srcnode = -1;
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static gint hf_lon_addr_dstsub = -1;
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static gint hf_lon_addr_dstgrp = -1;
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static gint hf_lon_addr_dstnode = -1;
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static gint hf_lon_addr_grp = -1;
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static gint hf_lon_addr_grpmem = -1;
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static gint hf_lon_addr_uid = -1;
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static gint hf_lon_name = -1;
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static gint hf_lon_domain = -1;
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static gint hf_lon_tpdu = -1;
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static gint hf_lon_auth = -1;
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static gint hf_lon_tpdu_tpdu_type = -1;
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static gint hf_lon_trans_no = -1;
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static gint hf_lon_spdu = -1;
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static gint hf_lon_spdu_spdu_type = -1;
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static gint hf_lon_mlen = -1;
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static gint hf_lon_mlist = -1;
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static gint hf_lon_authpdu = -1;
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static gint hf_lon_authpdu_fmt = -1;
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static gint hf_lon_authpdu_authpdu_type = -1;
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static gint hf_lon_nv_dir = -1;
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static gint hf_lon_nv_selector = -1;
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static gint hf_lon_app_code = -1;
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static gint hf_lon_nm_code = -1;
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static gint hf_lon_nd_code = -1;
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static gint hf_lon_ff_code = -1;
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static gint hf_lon_nv = -1;
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static gint hf_lon_app = -1;
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static gint hf_lon_nm = -1;
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static gint hf_lon_nd = -1;
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static gint hf_lon_ff = -1;
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/* static gint hf_lon_checksum = -1; */
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static gint proto_lon = -1;
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static gint ett_lon = -1;
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static gint ett_ppdu = -1;
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static gint ett_npdu = -1;
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static gint ett_tpdu = -1;
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static gint ett_spdu = -1;
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static gint ett_authpdu = -1;
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static gint ett_apdu = -1;
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static gint ett_nv = -1;
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static gint ett_app = -1;
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static gint ett_nm = -1;
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static gint ett_nd = -1;
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static gint ett_ff = -1;
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static gint ett_address = -1;
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static expert_field ei_lon_tpdu_tpdu_type_unknown = EI_INIT;
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static expert_field ei_lon_tpdu_spdu_type_unknown = EI_INIT;
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static expert_field ei_lon_tpdu_authpdu_type_unknown = EI_INIT;
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static expert_field ei_lon_tpdu_apdu_dest_type = EI_INIT;
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static gint dissect_apdu(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb,
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gint offset);
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static gint
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dissect_lon(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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gint offset = 0;
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gint pdu_fmt, addr_fmt, dom_len, pdutype, length;
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gint addr_a;
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proto_tree *ti;
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proto_tree *lon_tree;
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gint npdu, type;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "LON");
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col_clear(pinfo->cinfo, COL_INFO);
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npdu = tvb_get_guint8(tvb, 0);
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type = tvb_get_guint8(tvb, 1);
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type = (type&0x30)>>4;
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col_add_fstr(pinfo->cinfo, COL_INFO,
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"%sDelta_BL: %i Type: %s",
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npdu&0x80?"Priority ":"",
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npdu&0x3F,
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val_to_str_const(type, pdu_fmt_vs, "Unknown"));
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ti = proto_tree_add_item(tree, proto_lon, tvb, offset, -1, ENC_NA);
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lon_tree = proto_item_add_subtree(ti, ett_lon);
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{
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static int * const ppdu_fields[] = {
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&hf_lon_ppdu_prio,
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&hf_lon_ppdu_alt,
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&hf_lon_ppdu_deltabl,
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NULL
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};
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proto_tree_add_bitmask(lon_tree, tvb, offset, hf_lon_ppdu,
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ett_ppdu, ppdu_fields, ENC_BIG_ENDIAN);
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offset++;
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}
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{
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static int * const npdu_fields[] = {
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&hf_lon_npdu_version,
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&hf_lon_npdu_pdu_fmt,
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&hf_lon_npdu_addr_fmt,
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&hf_lon_npdu_dom_len,
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NULL
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};
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proto_tree_add_bitmask(lon_tree, tvb, offset, hf_lon_npdu,
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ett_npdu, npdu_fields, ENC_BIG_ENDIAN);
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pdu_fmt = (tvb_get_guint8(tvb, offset) >> 4) & 0x03;
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addr_fmt = (tvb_get_guint8(tvb, offset) >> 2) & 0x03;
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dom_len = tvb_get_guint8(tvb, offset) & 0x03;
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offset++;
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}
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/* Address part */
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switch(addr_fmt)
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{
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case 0: /* Broadcast */
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ti = proto_tree_add_subtree(lon_tree, tvb, offset, 3, ett_address, NULL, "Address type 0 (broadcast)");
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proto_tree_add_item(ti, hf_lon_addr_srcsub, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_srcnode, tvb, offset+1, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_dstsub, tvb, offset+2, 1, ENC_BIG_ENDIAN);
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offset += 3;
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break;
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case 1: /* Multicast */
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ti = proto_tree_add_subtree(lon_tree, tvb, offset, 3, ett_address, NULL, "Address type 1 (multicast)");
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proto_tree_add_item(ti, hf_lon_addr_srcsub, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_srcnode, tvb, offset+1, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_dstgrp, tvb, offset+2, 1, ENC_BIG_ENDIAN);
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offset += 3;
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break;
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case 2: /* Unicast/Multicast */
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addr_a = tvb_get_guint8(tvb, offset+1) >> 7;
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if (addr_a) { /* Type 2a */
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ti = proto_tree_add_subtree(lon_tree, tvb, offset, 4, ett_address, NULL, "Address type 2a (unicast)");
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proto_tree_add_item(ti, hf_lon_addr_srcsub, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_srcnode, tvb, offset+1, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_dstsub, tvb, offset+2, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_dstnode, tvb, offset+3, 1, ENC_BIG_ENDIAN);
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offset += 4;
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} else { /* Type 2b */
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ti = proto_tree_add_subtree(lon_tree, tvb, offset, 6, ett_address, NULL, "Address type 2b (multicast)");
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proto_tree_add_item(ti, hf_lon_addr_srcsub, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_srcnode, tvb, offset+1, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_dstgrp, tvb, offset+2, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_dstnode, tvb, offset+3, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_grp, tvb, offset+4, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_grpmem, tvb, offset+5, 1, ENC_BIG_ENDIAN);
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offset += 6;
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}
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break;
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case 3: /* UID */
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ti = proto_tree_add_subtree(lon_tree, tvb, offset, 9, ett_address, NULL, "Address type 3 (UID)");
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proto_tree_add_item(ti, hf_lon_addr_srcsub, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_srcnode, tvb, offset+1, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_dstsub, tvb, offset+2, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ti, hf_lon_addr_uid, tvb, offset+3, 6, ENC_NA);
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offset += 9;
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break;
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}
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/* END Address part */
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/* Domain */
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switch(dom_len)
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{
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case 0: /* Domain-wide */
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proto_tree_add_bytes_format(lon_tree, hf_lon_domain, tvb, offset, 0, NULL, "Domain wide addressing");
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break;
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case 1:
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proto_tree_add_item(lon_tree, hf_lon_domain, tvb, offset, 1, ENC_NA);
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offset++;
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break;
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case 2:
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proto_tree_add_item(lon_tree, hf_lon_domain, tvb, offset, 3, ENC_NA);
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offset += 3;
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break;
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case 3:
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proto_tree_add_item(lon_tree, hf_lon_domain, tvb, offset, 6, ENC_NA);
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offset += 6;
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break;
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}
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/* END Domain */
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/* *PDU */
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switch(pdu_fmt)
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{
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case 0: /* TPDU */
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{
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static int * const tpdu_fields[] = {
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&hf_lon_auth,
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&hf_lon_tpdu_tpdu_type,
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&hf_lon_trans_no,
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NULL
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};
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proto_tree_add_bitmask(lon_tree, tvb, offset, hf_lon_tpdu,
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ett_tpdu, tpdu_fields, ENC_BIG_ENDIAN);
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pdutype = (tvb_get_guint8(tvb, offset)>>4)& 0x07;
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offset++;
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switch(pdutype)
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{
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case 0:
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case 1: /* ACKD and UnACKD_RPT */
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offset += dissect_apdu(lon_tree, pinfo, tvb, offset);
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break;
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case 2: /* ACK */
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break;
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case 4: /* REMINDER */
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length = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(lon_tree, hf_lon_mlen, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(lon_tree, hf_lon_mlist, tvb, offset, length, ENC_BIG_ENDIAN);
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offset += length;
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break;
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case 5: /* REM/MSG */
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length = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(lon_tree, hf_lon_mlen, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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if (length > 0)
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proto_tree_add_item(lon_tree, hf_lon_mlist, tvb, offset, length, ENC_BIG_ENDIAN);
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offset += length;
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offset += dissect_apdu(lon_tree, pinfo, tvb, offset);
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break;
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default:
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expert_add_info_format(pinfo, lon_tree, &ei_lon_tpdu_tpdu_type_unknown, "Unexpected TPDU type %i", pdutype);
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break;
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}
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}
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break;
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case 1: /* SPDU */
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{
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static int * const spdu_fields[] = {
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&hf_lon_auth,
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&hf_lon_spdu_spdu_type,
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&hf_lon_trans_no,
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NULL
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};
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proto_tree_add_bitmask(lon_tree, tvb, offset, hf_lon_spdu,
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ett_spdu, spdu_fields, ENC_BIG_ENDIAN);
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pdutype = (tvb_get_guint8(tvb, offset)>>4)& 0x07;
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offset++;
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switch(pdutype)
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{
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case 0: /* REQUEST */
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offset += dissect_apdu(lon_tree, pinfo, tvb, offset);
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break;
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case 2: /* RESPONSE */
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offset += dissect_apdu(lon_tree, pinfo, tvb, offset);
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break;
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case 4: /* REMINDER */
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length = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(lon_tree, hf_lon_mlen, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(lon_tree, hf_lon_mlist, tvb, offset, length, ENC_BIG_ENDIAN);
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offset += length;
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break;
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case 5: /* REM/MSG */
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length = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(lon_tree, hf_lon_mlen, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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if (length > 0)
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proto_tree_add_item(lon_tree, hf_lon_mlist, tvb, offset, length, ENC_BIG_ENDIAN);
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offset += length;
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offset += dissect_apdu(lon_tree, pinfo, tvb, offset);
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break;
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default:
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expert_add_info_format(pinfo, lon_tree, &ei_lon_tpdu_spdu_type_unknown, "Unexpected SPDU type %i", pdutype);
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break;
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}
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}
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break;
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case 2: /* AuthPDU */
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{
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static int * const authpdu_fields[] = {
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&hf_lon_authpdu_fmt,
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&hf_lon_authpdu_authpdu_type,
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&hf_lon_trans_no,
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NULL
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};
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proto_tree_add_bitmask(lon_tree, tvb, offset, hf_lon_authpdu,
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ett_authpdu, authpdu_fields, ENC_BIG_ENDIAN);
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pdutype = (tvb_get_guint8(tvb, offset)>>4)& 0x03;
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offset++;
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switch(pdutype)
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{
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case 0: /* CHALLENGE */
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case 2: /* REPLY */
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offset += 9;
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break;
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default:
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expert_add_info_format(pinfo, lon_tree, &ei_lon_tpdu_authpdu_type_unknown, "Unexpected AuthPDU type %i", pdutype);
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break;
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}
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}
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break;
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case 3: /* APDU */
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offset += dissect_apdu(lon_tree, pinfo, tvb, offset);
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break;
|
|
}
|
|
/* END *PDU */
|
|
|
|
return offset;
|
|
}
|
|
|
|
static gint
|
|
dissect_apdu(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb,
|
|
gint offset)
|
|
{
|
|
tvbuff_t *next_tvb;
|
|
gint old_offset = offset, dest_type;
|
|
|
|
dest_type = tvb_get_guint8(tvb, offset);
|
|
|
|
if ((dest_type&0x80) == 0x80) { /* Network variable */
|
|
static int * const nv_fields[] = {
|
|
&hf_lon_nv_dir,
|
|
&hf_lon_nv_selector,
|
|
NULL
|
|
};
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_lon_nv,
|
|
ett_nv, nv_fields, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
} else if ((dest_type&0xc0) == 0) { /* Application */
|
|
static int * const app_fields[] = {
|
|
&hf_lon_app_code,
|
|
NULL
|
|
};
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_lon_app,
|
|
ett_app, app_fields, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
} else if ((dest_type&0xe0) == 0x60) { /* Network Management */
|
|
static int * const nm_fields[] = {
|
|
&hf_lon_nm_code,
|
|
NULL
|
|
};
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_lon_nm,
|
|
ett_nm, nm_fields, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
if (dest_type == 0x7F) {
|
|
proto_tree_add_item(tree, hf_lon_addr_uid, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
proto_tree_add_item(tree, hf_lon_name, tvb, offset, 8, ENC_NA);
|
|
offset += 8;
|
|
}
|
|
|
|
} else if ((dest_type&0xf0) == 0x50) { /* Network Diagnostic */
|
|
static int * const nd_fields[] = {
|
|
&hf_lon_nd_code,
|
|
NULL
|
|
};
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_lon_nd,
|
|
ett_nd, nd_fields, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
} else if ((dest_type&0xf0) == 0x40) { /* Foreign Frame */
|
|
static int * const ff_fields[] = {
|
|
&hf_lon_ff_code,
|
|
NULL
|
|
};
|
|
proto_tree_add_bitmask(tree, tvb, offset, hf_lon_ff,
|
|
ett_ff, ff_fields, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
} else { /* Shouldn't get here */
|
|
expert_add_info_format(pinfo, tree, &ei_lon_tpdu_apdu_dest_type, "Malformed APDU destin&type %i", dest_type);
|
|
}
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
return offset - old_offset + call_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
|
|
void
|
|
proto_register_lon(void)
|
|
{
|
|
static hf_register_info hf[] =
|
|
{
|
|
{&hf_lon_ppdu,
|
|
{"PPDU", "lon.ppdu",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_ppdu_prio,
|
|
{"Priority", "lon.prio",
|
|
FT_UINT8, BASE_DEC, NULL, 0x80,
|
|
"Priority packet", HFILL }
|
|
},
|
|
{&hf_lon_ppdu_alt,
|
|
{"Alt path", "lon.alt_path",
|
|
FT_UINT8, BASE_DEC, NULL, 0x40,
|
|
"Alternate path", HFILL }
|
|
},
|
|
{&hf_lon_ppdu_deltabl,
|
|
{"Delta BL", "lon.delta_bl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x3f,
|
|
"How many packets to expect from this one", HFILL }
|
|
},
|
|
{&hf_lon_npdu,
|
|
{"NPDU", "lon.npdu",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_npdu_version,
|
|
{"version", "lon.vers",
|
|
FT_UINT8, BASE_HEX, NULL, 0xc0,
|
|
"LON protocol version", HFILL }
|
|
},
|
|
{&hf_lon_npdu_pdu_fmt,
|
|
{"PDU format", "lon.pdufmt",
|
|
FT_UINT8, BASE_HEX, VALS(pdu_fmt_vs), 0x30,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_npdu_addr_fmt,
|
|
{"Address format", "lon.addrfmt",
|
|
FT_UINT8, BASE_HEX, VALS(addr_fmt_vs), 0x0c,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_npdu_dom_len,
|
|
{"Domain length", "lon.domainlen",
|
|
FT_UINT8, BASE_HEX, VALS(domain_length_vs), 0x03,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_addr_srcsub,
|
|
{"Source subnet", "lon.srcnet",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_addr_srcnode,
|
|
{"Source node", "lon.srcnode",
|
|
FT_UINT8, BASE_HEX, NULL, 0x7f,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_addr_dstsub,
|
|
{"Destination subnet", "lon.dstnet",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_addr_dstgrp,
|
|
{"Destination group", "lon.dstgrp",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_addr_dstnode,
|
|
{"Destination node", "lon.dstnode",
|
|
FT_UINT8, BASE_HEX, NULL, 0x7f,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_addr_grp,
|
|
{"Group", "lon.grp",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_addr_grpmem,
|
|
{"Group member", "lon.grpmem",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_addr_uid,
|
|
{"Unique node ID", "lon.uid",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_domain,
|
|
{"Domain", "lon.domain",
|
|
FT_BYTES, BASE_NONE, NULL , 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_tpdu,
|
|
{"TPDU", "lon.tpdu",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_auth,
|
|
{"Auth", "lon.auth",
|
|
FT_UINT8, BASE_HEX, NULL, 0x80,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_tpdu_tpdu_type,
|
|
{"TPDU type", "lon.tpdu_type",
|
|
FT_UINT8, BASE_HEX, VALS(tpdu_type_vs), 0x70,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_trans_no,
|
|
{"Transaction number", "lon.trans_no",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0f,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_spdu,
|
|
{"SPDU", "lon.spdu",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_spdu_spdu_type,
|
|
{"SPDU type", "lon.spdu_type",
|
|
FT_UINT8, BASE_HEX, VALS(spdu_type_vs), 0x70,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_mlen,
|
|
{"Length of M_List", "lon.spdu.mlen",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_mlist,
|
|
{"M_List", "lon.spdu.mlist",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_authpdu,
|
|
{"AuthPDU", "lon.authpdu",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_authpdu_fmt,
|
|
{"FMT (same as AddrFmt)", "lon.authpdu_addrfmt",
|
|
FT_UINT8, BASE_HEX, NULL, 0xc,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_authpdu_authpdu_type,
|
|
{"AuthPDU type", "lon.authpdu_type",
|
|
FT_UINT8, BASE_HEX, VALS(authpdu_type_vs), 0x2,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_nv,
|
|
{"Network Variable", "lon.nv",
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_nv_dir,
|
|
{"NV direction", "lon.nv.dir",
|
|
FT_UINT16, BASE_HEX, NULL, 0x4000,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_nv_selector,
|
|
{"NV selector", "lon.nv.selector",
|
|
FT_UINT16, BASE_HEX, NULL, 0x3fff,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_app,
|
|
{"Application", "lon.application",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_app_code,
|
|
{"Code", "lon.code",
|
|
FT_UINT8, BASE_HEX, NULL, 0x3f,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_nm,
|
|
{"Network Management", "lon.nm",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_nm_code,
|
|
{"Code", "lon.code",
|
|
FT_UINT8, BASE_HEX, VALS(nm_code_vs), 0xff,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_nd,
|
|
{"Network Diagnostic", "lon.nd",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_nd_code,
|
|
{"Code", "lon.code",
|
|
FT_UINT8, BASE_HEX, VALS(nd_code_vs), 0xff,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_ff,
|
|
{"Foreign Frame", "lon.ff",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_ff_code,
|
|
{"Code", "lon.code",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0f,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_lon_name,
|
|
{"Node name", "lon.name",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
#if 0
|
|
{&hf_lon_checksum,
|
|
{"Checksum", "lon.chksum",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }
|
|
}
|
|
#endif
|
|
};
|
|
|
|
static gint *ett[] =
|
|
{
|
|
&ett_lon,
|
|
&ett_address,
|
|
&ett_ppdu,
|
|
&ett_npdu,
|
|
&ett_tpdu,
|
|
&ett_spdu,
|
|
&ett_authpdu,
|
|
&ett_apdu,
|
|
&ett_nv,
|
|
&ett_app,
|
|
&ett_nm,
|
|
&ett_nd,
|
|
&ett_ff
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_lon_tpdu_tpdu_type_unknown, { "lon.tpdu_type.unknown", PI_PROTOCOL, PI_WARN, "Unexpected TPDU type", EXPFILL }},
|
|
{ &ei_lon_tpdu_spdu_type_unknown, { "lon.spdu_type.unknown", PI_PROTOCOL, PI_WARN, "Unexpected SPDU type", EXPFILL }},
|
|
{ &ei_lon_tpdu_authpdu_type_unknown, { "lon.authpdu_type.unknown", PI_PROTOCOL, PI_WARN, "Unexpected AuthPDU type", EXPFILL }},
|
|
{ &ei_lon_tpdu_apdu_dest_type, { "lon.authpdu_dest_type.unknown", PI_PROTOCOL, PI_WARN, "Malformed APDU destin&type", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_lon;
|
|
|
|
proto_lon = proto_register_protocol("Local Operating Network",
|
|
"LON", "lon");
|
|
|
|
proto_register_field_array (proto_lon, hf, array_length (hf));
|
|
proto_register_subtree_array (ett, array_length (ett));
|
|
expert_lon = expert_register_protocol(proto_lon);
|
|
expert_register_field_array(expert_lon, ei, array_length(ei));
|
|
}
|
|
|
|
|
|
void
|
|
proto_reg_handoff_lon(void)
|
|
{
|
|
dissector_handle_t lon_handle;
|
|
|
|
lon_handle = create_dissector_handle(dissect_lon, proto_lon);
|
|
|
|
dissector_add_uint("cnip.protocol", 0, lon_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://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:
|
|
*/
|