mirror of https://github.com/OISF/suricata
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
3.0 KiB
C
104 lines
3.0 KiB
C
/* Copyright (C) 2007-2016 Open Information Security Foundation
|
|
*
|
|
* You can copy, redistribute or modify this Program under the terms of
|
|
* the GNU General Public License version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* version 2 along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA.
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
*
|
|
* \author Victor Julien <victor@inliniac.net>
|
|
*/
|
|
|
|
#ifndef __FLOW_PRIVATE_H__
|
|
#define __FLOW_PRIVATE_H__
|
|
|
|
#include "flow-hash.h"
|
|
#include "flow-queue.h"
|
|
|
|
#include "util-atomic.h"
|
|
|
|
/* global flow flags */
|
|
|
|
/** Flow engine is in emergency mode. This means it doesn't have enough spare
|
|
* flows for new flows and/or it's memcap limit it reached. In this state the
|
|
* flow engine with evaluate flows with lower timeout settings. */
|
|
#define FLOW_EMERGENCY 0x01
|
|
|
|
/* Flow Time out values */
|
|
#define FLOW_DEFAULT_NEW_TIMEOUT 30
|
|
#define FLOW_DEFAULT_EST_TIMEOUT 300
|
|
#define FLOW_DEFAULT_CLOSED_TIMEOUT 0
|
|
#define FLOW_DEFAULT_BYPASSED_TIMEOUT 100
|
|
#define FLOW_IPPROTO_TCP_NEW_TIMEOUT 30
|
|
#define FLOW_IPPROTO_TCP_EST_TIMEOUT 300
|
|
#define FLOW_IPPROTO_TCP_BYPASSED_TIMEOUT 100
|
|
#define FLOW_IPPROTO_UDP_NEW_TIMEOUT 30
|
|
#define FLOW_IPPROTO_UDP_EST_TIMEOUT 300
|
|
#define FLOW_IPPROTO_UDP_BYPASSED_TIMEOUT 100
|
|
#define FLOW_IPPROTO_ICMP_NEW_TIMEOUT 30
|
|
#define FLOW_IPPROTO_ICMP_EST_TIMEOUT 300
|
|
#define FLOW_IPPROTO_ICMP_BYPASSED_TIMEOUT 100
|
|
|
|
#define FLOW_DEFAULT_EMERG_NEW_TIMEOUT 10
|
|
#define FLOW_DEFAULT_EMERG_EST_TIMEOUT 100
|
|
#define FLOW_DEFAULT_EMERG_CLOSED_TIMEOUT 0
|
|
#define FLOW_DEFAULT_EMERG_BYPASSED_TIMEOUT 50
|
|
#define FLOW_IPPROTO_TCP_EMERG_NEW_TIMEOUT 10
|
|
#define FLOW_IPPROTO_TCP_EMERG_EST_TIMEOUT 100
|
|
#define FLOW_IPPROTO_UDP_EMERG_NEW_TIMEOUT 10
|
|
#define FLOW_IPPROTO_UDP_EMERG_EST_TIMEOUT 100
|
|
#define FLOW_IPPROTO_ICMP_EMERG_NEW_TIMEOUT 10
|
|
#define FLOW_IPPROTO_ICMP_EMERG_EST_TIMEOUT 100
|
|
|
|
#define FLOW_BYPASSED_TIMEOUT 6
|
|
|
|
enum {
|
|
FLOW_PROTO_TCP = 0,
|
|
FLOW_PROTO_UDP,
|
|
FLOW_PROTO_ICMP,
|
|
FLOW_PROTO_SCTP,
|
|
FLOW_PROTO_DEFAULT,
|
|
|
|
/* should be last */
|
|
FLOW_PROTO_MAX,
|
|
};
|
|
/* max used in app-layer (counters) */
|
|
#define FLOW_PROTO_APPLAYER_MAX FLOW_PROTO_UDP + 1
|
|
|
|
/*
|
|
* Variables
|
|
*/
|
|
|
|
/** FlowProto specific timeouts and free/state functions */
|
|
|
|
FlowProtoTimeout flow_timeouts_normal[FLOW_PROTO_MAX];
|
|
FlowProtoTimeout flow_timeouts_emerg[FLOW_PROTO_MAX];
|
|
FlowProtoFreeFunc flow_freefuncs[FLOW_PROTO_MAX];
|
|
|
|
/** spare/unused/prealloced flows live here */
|
|
FlowQueue flow_spare_q;
|
|
|
|
/** queue to pass flows to cleanup/log thread(s) */
|
|
FlowQueue flow_recycle_q;
|
|
|
|
FlowBucket *flow_hash;
|
|
FlowConfig flow_config;
|
|
|
|
/** flow memuse counter (atomic), for enforcing memcap limit */
|
|
SC_ATOMIC_DECLARE(uint64_t, flow_memuse);
|
|
|
|
#endif /* __FLOW_PRIVATE_H__ */
|
|
|