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stellar-stellar/decoders/glimpse_detector/libprotoident/udp/lpi_ipmsg.cc

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/*
*
* Copyright (c) 2011-2016 The University of Waikato, Hamilton, New Zealand.
* All rights reserved.
*
* This file is part of libprotoident.
*
* This code has been developed by the University of Waikato WAND
* research group. For further information please see http://www.wand.net.nz/
*
* libprotoident is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* libprotoident is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#include <string.h>
#include "libprotoident.h"
#include "proto_manager.h"
#include "proto_common.h"
static inline bool match_ipmsg(lpi_data_t *data, lpi_module_t *mod UNUSED) {
/* IPMSG packet format:
*
* Version:MessageNumber:User:Host:Command:MsgContent
*
* Version is always 1.
*
* All IPMsg observed so far has a message number beginning with
* 80...
*/
/* Do a port check as well, just to be sure */
if (data->server_port != 2425 && data->client_port != 2425)
return false;
if (match_chars_either(data, '1', ':', '8', '0'))
return true;
return false;
}
static lpi_module_t lpi_ipmsg = {
LPI_PROTO_UDP_IPMSG,
LPI_CATEGORY_CHAT,
"IPMsg",
5,
match_ipmsg
};
void register_ipmsg(LPIModuleMap *mod_map) {
register_protocol(&lpi_ipmsg, mod_map);
}