mirror of
https://github.com/vel21ripn/nDPI.git
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73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/*
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* fix.c
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*
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* Copyright (C) 2017 - ntop.org
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*
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* This file is part of nDPI, an open source deep packet inspection
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* library based on the OpenDPI and PACE technology by ipoque GmbH
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*
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* nDPI 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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* nDPI 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 nDPI. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ndpi_protocols.h"
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#ifdef NDPI_PROTOCOL_FIX
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void ndpi_search_fix(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
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{
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struct ndpi_packet_struct *packet = &flow->packet;
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if(packet->tcp) {
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// 8=
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if(packet->payload[0] == 0x38 && packet->payload[1] == 0x3d) {
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// FIX.
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if(packet->payload[2] == 0x46 &&
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packet->payload[3] == 0x49 &&
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packet->payload[4] == 0x58 &&
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packet->payload[5] == 0x2e) {
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NDPI_LOG(NDPI_PROTOCOL_FIX, ndpi_struct, NDPI_LOG_DEBUG, "FIX detected.\n");
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ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_FIX, NDPI_PROTOCOL_UNKNOWN);
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return;
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}
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// 0. 9=
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if(packet->payload[2] == 0x4f &&
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packet->payload[3] == 0x01 &&
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packet->payload[4] == 0x39 &&
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packet->payload[5] == 0x3d) {
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NDPI_LOG(NDPI_PROTOCOL_FIX, ndpi_struct, NDPI_LOG_DEBUG, "FIX detected.\n");
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ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_FIX, NDPI_PROTOCOL_UNKNOWN);
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return;
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}
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}
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}
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/* exclude FIX */
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NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_FIX);
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}
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void init_fix_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask)
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{
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ndpi_set_bitmask_protocol_detection("FIX", ndpi_struct, detection_bitmask, *id,
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NDPI_PROTOCOL_FIX,
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ndpi_search_fix,
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NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD,
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SAVE_DETECTION_BITMASK_AS_UNKNOWN,
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ADD_TO_DETECTION_BITMASK);
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*id += 1;
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}
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#endif
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