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/*
* collectd.c
*
* Copyright (C) 2014-22 - 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_COLLECTD
#include "ndpi_api.h"
void ndpi_search_collectd(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
struct ndpi_packet_struct *packet = &ndpi_struct->packet;
u_int len = 0;
NDPI_LOG_DBG(ndpi_struct, "search collectd\n");
if (packet->udp == NULL) return;
while(len < packet->payload_packet_len) {
// u_int16_t elem_type = ntohs(*((u_int16_t*)&packet->payload[len]));
u_int16_t elem_len = ntohs(*((u_int16_t*)&packet->payload[len+2]));
if (elem_len == 0) break;
len += elem_len;
}
if(len == packet->payload_packet_len) {
NDPI_LOG_INFO(ndpi_struct, "found COLLECTD\n");
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_COLLECTD, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
} else {
NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
}
}
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