conntrackd.h File Reference

#include "mcast.h"
#include "local.h"
#include "alarm.h"
#include "filter.h"
#include "channel.h"
#include "internal.h"
#include <stdint.h>
#include <stdio.h>
#include <libnetfilter_conntrack/libnetfilter_conntrack.h>
#include <syslog.h>

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Data Structures
union	inet_address
struct	ct_conf
struct	ct_general_state
struct	commit_runqueue
struct	ct_sync_state
struct	ct_stats_state
struct	ct_helper_state
struct	ct_state
struct	ct_mode

Macros
#define	CT_FLUSH_MASTER   0 /* flush kernel conntrack table */
#define	CT_RESYNC_MASTER   1 /* resync with kernel ct table */
#define	CT_DUMP_INTERNAL   16 /* dump internal cache */
#define	CT_DUMP_EXTERNAL   17 /* dump external cache */
#define	CT_COMMIT   18 /* commit external cache */
#define	CT_FLUSH_CACHE   19 /* flush cache */
#define	KILL   20 /* kill conntrackd */
#define	STATS   21 /* dump statistics */
#define	SEND_BULK   22 /* send a bulk */
#define	REQUEST_DUMP   23 /* request dump */
#define	CT_DUMP_INT_XML   24 /* dump internal cache in XML */
#define	CT_DUMP_EXT_XML   25 /* dump external cache in XML */
#define	RESET_TIMERS   26 /* reset kernel timers */
#define	DEBUG_INFO   27 /* unused */
#define	STATS_NETWORK   28 /* extended network stats */
#define	STATS_CACHE   29 /* extended cache stats */
#define	STATS_RUNTIME   30 /* extended runtime stats */
#define	STATS_LINK   31 /* dedicated link stats */
#define	STATS_RSQUEUE   32 /* resend queue stats */
#define	CT_FLUSH_INT_CACHE   33 /* flush internal cache */
#define	CT_FLUSH_EXT_CACHE   34 /* flush external cache */
#define	STATS_PROCESS   35 /* child process stats */
#define	STATS_QUEUE   36 /* queue stats */
#define	EXP_STATS   37 /* dump statistics */
#define	EXP_FLUSH_MASTER   38 /* flush kernel expect table */
#define	EXP_RESYNC_MASTER   39 /* resync with kernel exp table */
#define	EXP_DUMP_INTERNAL   40 /* dump internal expect cache */
#define	EXP_DUMP_EXTERNAL   41 /* dump external expect cache */
#define	EXP_COMMIT   42 /* commit expectations */
#define	ALL_FLUSH_MASTER   43 /* flush all kernel tables */
#define	ALL_RESYNC_MASTER   44 /* resync w/all kernel tables */
#define	ALL_FLUSH_CACHE   45 /* flush all caches */
#define	ALL_COMMIT   46 /* commit all tables */
#define	EXP_DUMP_INT_XML   47 /* dump internal cache in XML */
#define	EXP_DUMP_EXT_XML   48 /* dump external cache in XML */
#define	DEFAULT_CONFIGFILE   "/etc/conntrackd/conntrackd.conf"
#define	DEFAULT_LOCKFILE   "/var/lock/conntrackd.lock"
#define	DEFAULT_LOGFILE   "/var/log/conntrackd.log"
#define	DEFAULT_STATS_LOGFILE   "/var/log/conntrackd-stats.log"
#define	DEFAULT_SYSLOG_FACILITY   LOG_DAEMON
#define	NOT_SET   0
#define	DAEMON   1
#define	REQUEST   2
#define	CTD_SYNC_MODE   (1UL << 0)
#define	CTD_STATS_MODE   (1UL << 1)
#define	CTD_SYNC_FTFW   (1UL << 2)
#define	CTD_SYNC_ALARM   (1UL << 3)
#define	CTD_SYNC_NOTRACK   (1UL << 4)
#define	CTD_POLL   (1UL << 5)
#define	CTD_EXPECT   (1UL << 6)
#define	CTD_HELPER   (1UL << 7)
#define	FILENAME_MAXLEN   256
#define	CONFIG(x)   conf.x
#define	STATE(x)   st.x
#define	STATE_SYNC(x)   state.sync->x
#define	COMMIT_STATE_INACTIVE   0
#define	COMMIT_STATE_MASTER   1
#define	COMMIT_STATE_RELATED   2
#define	STATE_STATS(x)   state.stats->x
#define	STATE_CTH(x)   state.cthelper->x
#define	MAX(x, y)   x > y ? x : y

Functions
void	ctnl_kill (void)
int	ctnl_local (int fd, int type, void *data)
int	ctnl_init (void)
void	cthelper_kill (void)
int	cthelper_local (int fd, int type, void *data)
int	cthelper_init (void)
void	killer (int foo)
int	init (void)
void	select_main_loop (void)
int	init_config (char *filename)

Variables
struct ct_conf	conf
struct ct_state	state
struct ct_general_state	st
struct ct_mode	sync_mode
struct ct_mode	stats_mode

Macro Definition Documentation

#define ALL_COMMIT   46 /* commit all tables */

Referenced by main().

#define ALL_FLUSH_CACHE   45 /* flush all caches */

Referenced by main().

#define ALL_FLUSH_MASTER   43 /* flush all kernel tables */

Referenced by ctnl_local(), and main().

#define ALL_RESYNC_MASTER   44 /* resync w/all kernel tables */

Referenced by ctnl_local(), and main().

#define COMMIT_STATE_INACTIVE   0

#define COMMIT_STATE_MASTER   1

#define COMMIT_STATE_RELATED   2

#define CONFIG

(

x

)

conf.x

Referenced by cache_create(), channel_init(), close_log(), ct2msg(), cthelper_init(), ctnl_init(), ctnl_kill(), dlog(), dlog_ct(), dlog_exp(), exp2msg(), init(), init_log(), killer(), main(), nl_create_conntrack(), nl_init_event_handler(), nl_resize_socket_buffer(), and nl_update_conntrack().

#define CT_COMMIT   18 /* commit external cache */

Referenced by main().

#define CT_DUMP_EXT_XML   25 /* dump external cache in XML */

Referenced by main().

#define CT_DUMP_EXTERNAL   17 /* dump external cache */

Referenced by main().

#define CT_DUMP_INT_XML   24 /* dump internal cache in XML */

Referenced by main().

#define CT_DUMP_INTERNAL   16 /* dump internal cache */

Referenced by main().

#define CT_FLUSH_CACHE   19 /* flush cache */

#define CT_FLUSH_EXT_CACHE   34 /* flush external cache */

Referenced by main().

#define CT_FLUSH_INT_CACHE   33 /* flush internal cache */

Referenced by main().

#define CT_FLUSH_MASTER   0 /* flush kernel conntrack table */

Referenced by ctnl_local(), and main().

#define CT_RESYNC_MASTER   1 /* resync with kernel ct table */

Referenced by ctnl_local(), and main().

#define CTD_EXPECT   (1UL << 6)

#define CTD_HELPER   (1UL << 7)

Referenced by init(), and killer().

#define CTD_POLL   (1UL << 5)

Referenced by ctnl_init(), and ctnl_kill().

#define CTD_STATS_MODE   (1UL << 1)

Referenced by ctnl_init(), init(), and killer().

#define CTD_SYNC_ALARM   (1UL << 3)

#define CTD_SYNC_FTFW   (1UL << 2)

#define CTD_SYNC_MODE   (1UL << 0)

Referenced by ctnl_init(), init(), and killer().

#define CTD_SYNC_NOTRACK   (1UL << 4)

#define DAEMON   1

Referenced by main().

#define DEBUG_INFO   27 /* unused */

#define DEFAULT_CONFIGFILE   "/etc/conntrackd/conntrackd.conf"

Referenced by main().

#define DEFAULT_LOCKFILE   "/var/lock/conntrackd.lock"

#define DEFAULT_LOGFILE   "/var/log/conntrackd.log"

#define DEFAULT_STATS_LOGFILE   "/var/log/conntrackd-stats.log"

#define DEFAULT_SYSLOG_FACILITY   LOG_DAEMON

#define EXP_COMMIT   42 /* commit expectations */

Referenced by main().

#define EXP_DUMP_EXT_XML   48 /* dump external cache in XML */

Referenced by main().

#define EXP_DUMP_EXTERNAL   41 /* dump external expect cache */

Referenced by main().

#define EXP_DUMP_INT_XML   47 /* dump internal cache in XML */

Referenced by main().

#define EXP_DUMP_INTERNAL   40 /* dump internal expect cache */

Referenced by main().

#define EXP_FLUSH_MASTER   38 /* flush kernel expect table */

Referenced by ctnl_local(), and main().

#define EXP_RESYNC_MASTER   39 /* resync with kernel exp table */

Referenced by ctnl_local(), and main().

#define EXP_STATS   37 /* dump statistics */

#define FILENAME_MAXLEN   256

#define KILL   20 /* kill conntrackd */

Referenced by main().

#define MAX	(		x,
			y
	)		x > y ? x : y

#define NOT_SET   0

#define REQUEST   2

Referenced by main(), and nl_nlmsg_flags2str().

#define REQUEST_DUMP   23 /* request dump */

Referenced by main().

#define RESET_TIMERS   26 /* reset kernel timers */

Referenced by main().

#define SEND_BULK   22 /* send a bulk */

Referenced by main().

#define STATE

(

x

)

st.x

Referenced by __attribute__(), close_log(), ct_filter_conntrack(), ct_filter_master(), cthelper_init(), ctnl_init(), ctnl_kill(), ctnl_local(), dlog(), dlog_ct(), dlog_exp(), dump_traffic_stats(), init(), init_log(), killer(), nl_init_event_handler(), tcp_accept(), tcp_recv(), and update_traffic_stats().

#define STATE_CTH

(

x

)

state.cthelper->x

Referenced by cthelper_init(), and cthelper_kill().

#define STATE_STATS

(

x

)

state.stats->x

#define STATE_SYNC

(

x

)

state.sync->x

Referenced by nethdr_track_seq(), and nethdr_track_update_seq().

#define STATS   21 /* dump statistics */

Referenced by main().

#define STATS_CACHE   29 /* extended cache stats */

Referenced by main().

#define STATS_LINK   31 /* dedicated link stats */

Referenced by main().

#define STATS_NETWORK   28 /* extended network stats */

Referenced by main().

#define STATS_PROCESS   35 /* child process stats */

Referenced by main().

#define STATS_QUEUE   36 /* queue stats */

Referenced by main().

#define STATS_RSQUEUE   32 /* resend queue stats */

Referenced by main().

#define STATS_RUNTIME   30 /* extended runtime stats */

Referenced by main().

Function Documentation

int cthelper_init

(

void

)

References CONFIG, ct_state::cthelper, dlog(), ctd_helper_instance::head, list_for_each_entry, LOG_ERR, MNL_SOCKET_AUTOPID, mnl_socket_bind(), mnl_socket_get_fd(), mnl_socket_get_portid(), mnl_socket_open(), NETLINK_NETFILTER, NULL, register_fd(), state, STATE, and STATE_CTH.

Referenced by init().

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void cthelper_kill

(

void

)

References ct_state::cthelper, mnl_socket_close(), state, and STATE_CTH.

Referenced by killer().

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int cthelper_local	(	int	fd,
		int	type,
		void *	data
	)

References LOCAL_RET_OK.

int ctnl_init

(

void

)

References add_alarm(), CONFIG, CTD_ORIGIN_FLUSH, CTD_POLL, CTD_STATS_MODE, CTD_SYNC_MODE, dlog(), flags, init(), init_alarm(), INTERNAL_F_POPULATE, LOG_ERR, LOG_NOTICE, nfct_callback_register(), nfct_callback_register2(), nfct_fd(), nfct_open(), NFCT_T_ALL, nfexp_callback_register(), nfexp_callback_register2(), nl_dump_conntrack_table(), nl_dump_expect_table(), nl_init_event_handler(), NULL, origin_register(), register_fd(), STATE, stats_mode, and sync_mode.

Referenced by init().

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void ctnl_kill

(

void

)

References CONFIG, ct_filter_destroy(), CTD_POLL, flags, INTERNAL_F_POPULATE, nfct_close(), origin_unregister(), and STATE.

Referenced by killer().

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int ctnl_local	(	int	fd,
		int	type,
		void *	data
	)

References ALL_FLUSH_MASTER, ALL_RESYNC_MASTER, CT_FLUSH_MASTER, CT_RESYNC_MASTER, EXP_FLUSH_MASTER, EXP_RESYNC_MASTER, LOCAL_RET_ERROR, LOCAL_RET_OK, and STATE.

int init

(

void

)

References CONFIG, create_fds(), CTD_HELPER, CTD_STATS_MODE, CTD_SYNC_MODE, cthelper_init(), ctnl_init(), dlog(), do_gettimeofday(), flags, killer(), local_server_create(), LOG_ERR, LOG_NOTICE, NULL, register_fd(), and STATE.

Referenced by ctnl_init(), and main().

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int init_config

(

char *

filename

)

Referenced by main().

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void killer

(

int

foo

)

References close_log(), CONFIG, CTD_HELPER, CTD_STATS_MODE, CTD_SYNC_MODE, cthelper_kill(), ctnl_kill(), destroy_fds(), dlog(), flags, local_server_destroy(), LOG_NOTICE, NULL, and STATE.

Referenced by init().

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void select_main_loop

(

void

)

Referenced by main().

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Variable Documentation

struct ct_conf conf

Referenced by main().

struct ct_general_state st

struct ct_state state

Referenced by cthelper_init(), cthelper_kill(), in6_pton(), nfct_timeout_policy_attr_to_name(), nfnl_ct_set_tcp_state(), nl_cli_ct_parse_tcp_state(), nl_cli_neigh_parse_state(), rtnl_neigh_set_state(), and rtnl_neigh_unset_state().

struct ct_mode stats_mode

Referenced by ctnl_init().

struct ct_mode sync_mode

Referenced by ctnl_init().