1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
* collectd.c
*
* Copyright (C) 2014 - 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_protocols.h"
#ifdef NDPI_PROTOCOL_COLLECTD
void ndpi_search_collectd(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
struct ndpi_packet_struct *packet = &flow->packet;
u_int len = 0;
NDPI_LOG(NDPI_PROTOCOL_COLLECTD, ndpi_struct, NDPI_LOG_DEBUG, "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(NDPI_PROTOCOL_COLLECTD, ndpi_struct, NDPI_LOG_DEBUG, "found COLLECTD.\n");
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_COLLECTD, NDPI_PROTOCOL_UNKNOWN);
} else {
NDPI_LOG(NDPI_PROTOCOL_COLLECTD, ndpi_struct, NDPI_LOG_DEBUG, "exclude COLLECTD.\n");
NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_COLLECTD);
}
}
#endif
|