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/*
* ookla.c
*
* Copyright (C) 2018 - ntop.org
*
* 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"
#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_OOKLA
#include "ndpi_api.h"
void ndpi_search_ookla(struct ndpi_detection_module_struct* ndpi_struct, struct ndpi_flow_struct* flow) {
struct ndpi_packet_struct* packet = &flow->packet;
u_int32_t addr = 0;
NDPI_LOG_DBG(ndpi_struct, "Ookla detection\n");
if(packet->tcp->source == htons(8080))
addr = packet->iph->saddr;
else if(packet->tcp->dest == htons(8080))
addr = packet->iph->daddr;
else
goto ookla_exclude;
if(ndpi_struct->ookla_cache != NULL) {
u_int16_t dummy;
if(ndpi_lru_find_cache(ndpi_struct->ookla_cache, addr, &dummy, 0 /* Don't remove it as it can be used for other connections */)) {
NDPI_LOG_INFO(ndpi_struct, "found ookla tcp connection\n");
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_OOKLA, NDPI_PROTOCOL_UNKNOWN);
return;
}
}
ookla_exclude:
NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
}
void init_ookla_dissector(struct ndpi_detection_module_struct *ndpi_struct,
u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask) {
ndpi_set_bitmask_protocol_detection("Ookla", ndpi_struct, detection_bitmask, *id,
NDPI_PROTOCOL_OOKLA,
ndpi_search_ookla,
NDPI_SELECTION_BITMASK_PROTOCOL_TCP,
SAVE_DETECTION_BITMASK_AS_UNKNOWN,
ADD_TO_DETECTION_BITMASK);
*id += 1;
}
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