90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
/*
|
|
*
|
|
* 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_pd_570(uint32_t payload, uint32_t len) {
|
|
if (len == 570 && MATCH(payload, 0x00, 0x00, 0x00, 0x00))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
static inline bool match_pd_46(uint32_t payload, uint32_t len) {
|
|
|
|
/* The first byte starts at 0x01 and increments for each
|
|
* subsequent flow */
|
|
if (len == 46 && MATCH(payload, ANY, 0x00, 0x00, 0x00))
|
|
return true;
|
|
return false;
|
|
|
|
}
|
|
|
|
static inline bool port_range_check(uint16_t porta, uint16_t portb) {
|
|
if (porta >= 9000 && porta < 10000)
|
|
return true;
|
|
|
|
if (portb >= 9000 && portb < 10000)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static inline bool match_paladins(lpi_data_t *data, lpi_module_t *mod UNUSED) {
|
|
|
|
if (!port_range_check(data->server_port, data->client_port))
|
|
return false;
|
|
|
|
if (match_pd_570(data->payload[0], data->payload_len[0])) {
|
|
if (match_pd_46(data->payload[1], data->payload_len[1]))
|
|
return true;
|
|
}
|
|
|
|
if (match_pd_570(data->payload[1], data->payload_len[1])) {
|
|
if (match_pd_46(data->payload[0], data->payload_len[0]))
|
|
return true;
|
|
}
|
|
|
|
|
|
return false;
|
|
}
|
|
|
|
static lpi_module_t lpi_paladins = {
|
|
LPI_PROTO_UDP_PALADINS,
|
|
LPI_CATEGORY_GAMING,
|
|
"Paladins",
|
|
203,
|
|
match_paladins
|
|
};
|
|
|
|
void register_paladins(LPIModuleMap *mod_map) {
|
|
register_protocol(&lpi_paladins, mod_map);
|
|
}
|
|
|