91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
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/*
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*
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* Copyright (c) 2011-2016 The University of Waikato, Hamilton, New Zealand.
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* All rights reserved.
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*
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* This file is part of libprotoident.
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*
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* This code has been developed by the University of Waikato WAND
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* research group. For further information please see http://www.wand.net.nz/
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*
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* libprotoident is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* libprotoident is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#include <string.h>
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#include "libprotoident.h"
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#include "proto_manager.h"
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#include "proto_common.h"
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static inline bool match_bau(uint32_t payload, uint32_t len) {
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if (len == 743 && MATCH(payload, 0x42, 0x10, 0x61, 0x75))
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return true;
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return false;
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}
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static inline bool match_hots_7f28(uint32_t payload, uint32_t len) {
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uint32_t hlen;
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hlen = (ntohl(payload) & 0xffff) * 2 + 5;
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if (len == hlen && MATCH(payload, 0x7f, 0x28, ANY, ANY)) {
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return true;
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}
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return false;
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}
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static inline bool match_hots_4a48(uint32_t payload, uint32_t len) {
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if (len == 201 && MATCH(payload, 0x4a, 0x48, 0x0c, 0xae))
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return true;
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return false;
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}
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static inline bool match_hots_tcp(lpi_data_t *data, lpi_module_t *mod UNUSED) {
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if (data->server_port != 1119 && data->client_port != 1119) {
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return false;
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}
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if (match_bau(data->payload[0], data->payload_len[0])) {
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if (match_hots_7f28(data->payload[1], data->payload_len[1]))
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return true;
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if (match_hots_4a48(data->payload[1], data->payload_len[1]))
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return true;
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}
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if (match_bau(data->payload[1], data->payload_len[1])) {
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if (match_hots_7f28(data->payload[0], data->payload_len[0]))
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return true;
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if (match_hots_4a48(data->payload[0], data->payload_len[0]))
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return true;
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}
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return false;
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}
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static lpi_module_t lpi_hots_tcp = {
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LPI_PROTO_HOTS,
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LPI_CATEGORY_GAMING,
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"HeroesOfTheStorm_TCP",
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90,
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match_hots_tcp
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};
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void register_hots_tcp(LPIModuleMap *mod_map) {
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register_protocol(&lpi_hots_tcp, mod_map);
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}
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