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

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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 <stdio.h>
#include "libprotoident.h"
#include "proto_manager.h"
#include "proto_common.h"
static inline bool match_driveshare_payload(uint32_t pload, uint32_t len) {
/* I *think* this is driveshare, which seems to do SMB-like things
* on port 8109 UDP */
if (len == ntohl(pload)) {
return true;
}
if (MATCH(pload, 0x00, 0x00, 0x00, 0x00) && len == 48) {
return true;
}
return false;
}
static inline bool match_driveshare(lpi_data_t *data, lpi_module_t *mod UNUSED) {
/* Add a port restriction here, just to be safe */
if (data->client_port != 8109 && data->server_port != 8109)
return false;
if (!match_driveshare_payload(data->payload[0], data->payload_len[0]))
return false;
if (!match_driveshare_payload(data->payload[1], data->payload_len[1]))
return false;
return true;
}
static lpi_module_t lpi_driveshare = {
LPI_PROTO_UDP_DRIVESHARE,
LPI_CATEGORY_FILES,
"DriveShare",
12,
match_driveshare
};
void register_driveshare(LPIModuleMap *mod_map) {
register_protocol(&lpi_driveshare, mod_map);
}