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/*
* qq.c
*
* Copyright (C) 2011-22 - ntop.org
*
* This file is part of nDPI, an open source deep packet inspection
* library based on the OpenDPI and PACE technology by ipoque GmbH
*
* nDPI 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.
*
* nDPI 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 nDPI. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "ndpi_protocol_ids.h"
/* CPHA - CheckPoint High Availability Protocol */
#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_CPHA
#include "ndpi_api.h"
void ndpi_search_cpha(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) {
struct ndpi_packet_struct *packet = &ndpi_struct->packet;
const u_int16_t cpha_port = htons(8116);
NDPI_LOG_DBG(ndpi_struct, "search CPHA\n");
if((packet->payload_packet_len > 20)
&& (packet->payload[0] == 0x1a)
&& (packet->payload[1] == 0x90)
&& packet->udp
&& packet->iph
&& (packet->udp->source == cpha_port)
&& (packet->udp->dest == cpha_port)
&& packet->iph->saddr == 0 /* 0.0.0.0 */
) {
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_CPHA, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
} else
NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
}
void init_cpha_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id,
NDPI_PROTOCOL_BITMASK *detection_bitmask) {
ndpi_set_bitmask_protocol_detection("CPHA", ndpi_struct, detection_bitmask, *id,
NDPI_PROTOCOL_CPHA,
ndpi_search_cpha,
NDPI_SELECTION_BITMASK_PROTOCOL_UDP_WITH_PAYLOAD, /* TODO: ipv6 support? */
SAVE_DETECTION_BITMASK_AS_UNKNOWN,
ADD_TO_DETECTION_BITMASK);
*id += 1;
}
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