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

88 lines
2.1 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_ares_client(uint32_t payload, uint32_t len) {
if (len != 6)
return false;
if (!MATCH(payload, 0x03, 0x00, 0x5a, 0x06))
return false;
return true;
}
static inline bool match_ares_peer(uint32_t payload, uint32_t len) {
if (len != 138)
return false;
if (MATCH(payload, 0x87, 0x00, 0x3c, ANY))
return true;
if (MATCH(payload, 0x87, 0x00, 0x3b, ANY))
return true;
return false;
}
static inline bool match_ares(lpi_data_t *data, lpi_module_t *mod UNUSED) {
/* Pretty sure this is the ARES p2p protocol */
if (match_str_either(data, "ARES"))
return true;
if (match_ares_client(data->payload[0], data->payload_len[0])) {
if (match_ares_peer(data->payload[1], data->payload_len[1]))
return true;
}
if (match_ares_client(data->payload[1], data->payload_len[1])) {
if (match_ares_peer(data->payload[0], data->payload_len[0]))
return true;
}
return false;
}
static lpi_module_t lpi_ares = {
LPI_PROTO_ARES,
LPI_CATEGORY_P2P,
"Ares",
8,
match_ares
};
void register_ares(LPIModuleMap *mod_map) {
register_protocol(&lpi_ares, mod_map);
}