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stellar-stellar/decoders/glimpse_detector/libprotoident/udp/lpi_risingstorm.cc
2024-08-21 09:38:18 +08:00

104 lines
3.0 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"
/* More specifically, this rule is based off Rising Storm 2 but it'll
* probably match other Tripwire games including the original.
*
* TBC against real game traffic, but that costs $$.
* All servers contacted were labelled as RS2 on various server tracking
* sites, so that's enough for me.
*/
static inline bool match_rs_0080(uint32_t payload, uint32_t len) {
if (MATCH(payload, 0x00, 0x80, 0x05, 0x20)) {
if (len == 10 || len == 17)
return true;
}
return false;
}
static inline bool match_rs_00c0(uint32_t payload, uint32_t len) {
if (MATCH(payload, 0x00, 0xc0, ANY, 0x08)) {
if (len == 14)
return true;
}
return false;
}
static inline bool match_rs_0108(uint32_t payload, uint32_t len) {
if (MATCH(payload, 0x00, 0x00, 0x01, 0x08)) {
if (len == 25 || len == 12)
return true;
}
return false;
}
static inline bool match_risingstorm(lpi_data_t *data, lpi_module_t *mod UNUSED) {
if (match_rs_0080(data->payload[0], data->payload_len[0])) {
if (match_rs_0108(data->payload[1], data->payload_len[1]))
return true;
if (match_rs_00c0(data->payload[1], data->payload_len[1]))
return true;
}
if (match_rs_0080(data->payload[1], data->payload_len[1])) {
if (match_rs_0108(data->payload[0], data->payload_len[0]))
return true;
if (match_rs_00c0(data->payload[0], data->payload_len[0]))
return true;
}
return false;
}
static lpi_module_t lpi_risingstorm = {
LPI_PROTO_UDP_RISING_STORM,
LPI_CATEGORY_GAMING,
"RisingStorm",
12,
match_risingstorm
};
void register_risingstorm(LPIModuleMap *mod_map) {
register_protocol(&lpi_risingstorm, mod_map);
}