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/*
* ubntac2.c
*
* Copyright (C) 2015 Thomas Fjellstrom
*
* 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_protocols.h"
#ifdef NDPI_PROTOCOL_UBNTAC2
static void ndpi_int_ubntac2_add_connection(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_UBNTAC2, NDPI_PROTOCOL_UNKNOWN);
}
void ndpi_search_ubntac2(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
struct ndpi_packet_struct *packet = &flow->packet;
NDPI_LOG(NDPI_PROTOCOL_UBNTAC2, ndpi_struct, NDPI_LOG_TRACE, "UBNTAC2 detection... plen:%i %i:%i\n", packet->payload_packet_len, ntohs(packet->udp->source), ntohs(packet->udp->dest));
if(packet->udp) {
if(packet->payload_packet_len >= 135 &&
(packet->udp->source == htons(10001) || packet->udp->dest == htons(10001)) &&
memcmp(&(packet->payload[36]), "UBNT", 4) == 0) {
NDPI_LOG(NDPI_PROTOCOL_UBNTAC2, ndpi_struct, NDPI_LOG_DEBUG, "UBNT AirControl 2 request\n");
ndpi_int_ubntac2_add_connection(ndpi_struct, flow);
return;
}
}
NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_UBNTAC2);
}
void init_ubntac2_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask)
{
ndpi_set_bitmask_protocol_detection("UBNTAC2", ndpi_struct, detection_bitmask, *id,
NDPI_PROTOCOL_UBNTAC2,
ndpi_search_ubntac2,
NDPI_SELECTION_BITMASK_PROTOCOL_UDP_WITH_PAYLOAD,
SAVE_DETECTION_BITMASK_AS_UNKNOWN,
ADD_TO_DETECTION_BITMASK);
*id += 1;
}
#endif
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