97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
/*
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*
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* Copyright (c) 2011-2016 The University of Waikato, Hamilton, New Zealand.
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* All rights reserved.
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*
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* This file is part of libprotoident.
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*
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* This code has been developed by the University of Waikato WAND
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* research group. For further information please see http://www.wand.net.nz/
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*
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* libprotoident is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* libprotoident 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#include <string.h>
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#include "libprotoident.h"
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#include "proto_manager.h"
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#include "proto_common.h"
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static inline bool match_command(uint32_t payload) {
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// no op
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if (MATCH(payload, 0x00, 0x00, ANY, ANY))
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return true;
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// list services
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if (MATCH(payload, 0x04, 0x00, ANY, ANY))
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return true;
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// list identity
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if (MATCH(payload, 0x63, 0x00, ANY, ANY))
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return true;
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// list interfaces
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if (MATCH(payload, 0x64, 0x00, ANY, ANY))
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return true;
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// register session
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if (MATCH(payload, 0x65, 0x00, 0x04, 0x00))
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return true;
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// un-register session
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if (MATCH(payload, 0x66, 0x00, ANY, ANY))
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return true;
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// sendrrdata
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if (MATCH(payload, 0x6f, 0x00, ANY, ANY))
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return true;
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// send unit data
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if (MATCH(payload, 0x70, 0x00, ANY, ANY))
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return true;
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// indicate status
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if (MATCH(payload, 0x72, 0x00, ANY, ANY))
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return true;
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// cancel
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if (MATCH(payload, 0x73, 0x00, ANY, ANY))
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return true;
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// error
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if (MATCH(payload, 0xff, 0xff, ANY, ANY))
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return true;
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return false;
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}
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static inline bool match_ethernetip(lpi_data_t *data, lpi_module_t *mod UNUSED) {
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if (data->payload_len[0] < 24 || data->payload_len[1] < 24)
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return false;
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if (data->server_port != 44818 && data->client_port != 44818)
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return false;
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if (match_command(data->payload[0]) && match_command(data->payload[1]))
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return true;
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return false;
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}
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static lpi_module_t lpi_ethernetip = {
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LPI_PROTO_ETHERNETIP,
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LPI_CATEGORY_ICS,
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"EtherNet/IP",
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100,
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match_ethernetip
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};
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void register_ethernetip(LPIModuleMap *mod_map) {
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register_protocol(&lpi_ethernetip, mod_map);
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}
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