132 lines
3.9 KiB
C++
132 lines
3.9 KiB
C++
/*
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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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/* First two bytes are actually a length field, byte 3 is always 0x03,
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* byte 4 is probably a message type (must match both ways).
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*
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* However, since messages of a certain type always seem to have the same
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* length for the request and response, I prefer matching like this
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* where I can enforce the length requirement.
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*/
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static inline bool match_1c_req(uint32_t payload, uint32_t len) {
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if (len == 28 && MATCH(payload, 0x00, 0x1c, 0x03, 0x03))
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return true;
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return false;
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}
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static inline bool match_0c_resp(uint32_t payload, uint32_t len) {
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if (len == 12 && MATCH(payload, 0x00, 0x0c, 0x03, 0x03))
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return true;
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return false;
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}
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static inline bool match_30_req(uint32_t payload, uint32_t len) {
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if (len == 48 && MATCH(payload, 0x00, 0x30, 0x03, 0x06))
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return true;
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return false;
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}
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static inline bool match_20_resp(uint32_t payload, uint32_t len) {
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if (len == 32 && MATCH(payload, 0x00, 0x20, 0x03, 0x06))
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return true;
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return false;
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}
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static inline bool match_24_req(uint32_t payload, uint32_t len) {
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if (len == 36 && MATCH(payload, 0x00, 0x24, 0x03, 0x01))
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return true;
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return false;
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}
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static inline bool match_10_resp(uint32_t payload, uint32_t len) {
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if (len == 16 && MATCH(payload, 0x00, 0x10, 0x03, 0x01))
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return true;
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return false;
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}
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static inline bool match_kuaibo(lpi_data_t *data, lpi_module_t *mod UNUSED) {
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if (match_1c_req(data->payload[0], data->payload_len[0])) {
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if (match_0c_resp(data->payload[1], data->payload_len[1]))
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return true;
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}
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if (match_1c_req(data->payload[1], data->payload_len[1])) {
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if (match_0c_resp(data->payload[0], data->payload_len[0]))
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return true;
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}
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if (match_30_req(data->payload[0], data->payload_len[0])) {
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if (match_20_resp(data->payload[1], data->payload_len[1]))
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return true;
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}
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if (match_30_req(data->payload[1], data->payload_len[1])) {
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if (match_20_resp(data->payload[0], data->payload_len[0]))
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return true;
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}
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if (match_24_req(data->payload[0], data->payload_len[0])) {
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if (match_10_resp(data->payload[1], data->payload_len[1]))
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return true;
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}
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if (match_24_req(data->payload[1], data->payload_len[1])) {
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if (match_10_resp(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_kuaibo = {
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LPI_PROTO_KUAIBO,
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LPI_CATEGORY_STREAMING,
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"Kuaibo",
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51,
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match_kuaibo
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};
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void register_kuaibo(LPIModuleMap *mod_map) {
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register_protocol(&lpi_kuaibo, mod_map);
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}
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