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usr / src / sys / contrib / ipfilter / netinet /

📁 ..
📄 IPFILTER.LICENCE(1.41 KB)
📄 fil.c(317.13 KB)
📄 ip_auth.c(36.11 KB)
📄 ip_auth.h(2.4 KB)
📄 ip_compat.h(30.71 KB)
📄 ip_dns_pxy.c(8.11 KB)
📄 ip_dstlist.c(43.85 KB)
📄 ip_dstlist.h(1.43 KB)
📄 ip_fil.h(54.87 KB)
📄 ip_fil_freebsd.c(31.55 KB)
📄 ip_frag.c(43.2 KB)
📄 ip_frag.h(3.5 KB)
📄 ip_ftp_pxy.c(50.12 KB)
📄 ip_htable.c(43.72 KB)
📄 ip_htable.h(2.04 KB)
📄 ip_ipsec_pxy.c(10.34 KB)
📄 ip_irc_pxy.c(8.19 KB)
📄 ip_log.c(25.82 KB)
📄 ip_lookup.c(30.94 KB)
📄 ip_lookup.h(4.61 KB)
📄 ip_nat.c(248.84 KB)
📄 ip_nat.h(23.04 KB)
📄 ip_nat6.c(116.43 KB)
📄 ip_netbios_pxy.c(3.22 KB)
📄 ip_pool.c(46.01 KB)
📄 ip_pool.h(1.34 KB)
📄 ip_pptp_pxy.c(13.77 KB)
📄 ip_proxy.c(44.36 KB)
📄 ip_proxy.h(11.53 KB)
📄 ip_raudio_pxy.c(7.65 KB)
📄 ip_rcmd_pxy.c(7.04 KB)
📄 ip_rpcb_pxy.c(39.93 KB)
📄 ip_rules.c(6.29 KB)
📄 ip_rules.h(470 B)
📄 ip_scan.c(11.06 KB)
📄 ip_scan.h(2.56 KB)
📄 ip_state.c(161.15 KB)
📄 ip_state.h(9.55 KB)
📄 ip_sync.c(43.47 KB)
📄 ip_sync.h(3.46 KB)
📄 ip_tftp_pxy.c(10.57 KB)
📄 ipf_rb.h(10.37 KB)
📄 ipl.h(360 B)
📄 mlfk_ipl.c(15.57 KB)
📄 radix_ipf.c(41.94 KB)
📄 radix_ipf.h(2.63 KB)

Editing: ip_sync.h

/*
 * Copyright (C) 2012 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 *
 * @(#)ip_fil.h	1.35 6/5/96
 * $Id$
 */

#ifndef __IP_SYNC_H__
#define __IP_SYNC_H__

typedef	struct	synchdr	{
	u_32_t		sm_magic;	/* magic */
	u_char		sm_v;		/* version: 4,6 */
	u_char		sm_p;		/* protocol */
	u_char		sm_cmd;		/* command */
	u_char		sm_table;	/* NAT, STATE, etc */
	u_int		sm_num;		/* table entry number */
	int		sm_rev;		/* forward/reverse */
	int		sm_len;		/* length of the data section */
	struct	synclist	*sm_sl;		/* back pointer to parent */
} synchdr_t;

#define SYNHDRMAGIC 0x0FF51DE5

/*
 * Commands
 * No delete required as expirey will take care of that!
 */
#define	SMC_CREATE	0	/* pass ipstate_t after synchdr_t */
#define	SMC_UPDATE	1
#define	SMC_MAXCMD	1

/*
 * Tables
 */
#define	SMC_RLOG	-2	/* Only used with SIOCIPFFL */
#define	SMC_NAT		0
#define	SMC_STATE	1
#define	SMC_MAXTBL	1

/*
 * Only TCP requires "more" information than just a reference to the entry
 * for which an update is being made.
 */
typedef	struct	synctcp_update	{
	u_long		stu_age;
	tcpdata_t	stu_data[2];
	int		stu_state[2];
} synctcp_update_t;

typedef	struct	synclist	{
	struct	synclist	*sl_next;
	struct	synclist	**sl_pnext;
	int			sl_idx;		/* update index */
	struct	synchdr		sl_hdr;
	union	{
		struct	ipstate	*slu_ips;
		struct	nat	*slu_ipn;
		void		*slu_ptr;
	} sl_un;
} synclist_t;

#define	sl_ptr	sl_un.slu_ptr
#define	sl_ips	sl_un.slu_ips
#define	sl_ipn	sl_un.slu_ipn
#define	sl_magic sl_hdr.sm_magic
#define	sl_v	sl_hdr.sm_v
#define	sl_p	sl_hdr.sm_p
#define	sl_cmd	sl_hdr.sm_cmd
#define	sl_rev	sl_hdr.sm_rev
#define	sl_table	sl_hdr.sm_table
#define	sl_num	sl_hdr.sm_num
#define	sl_len	sl_hdr.sm_len

/*
 * NOTE: SYNCLOG_SZ is defined *low*.  It should be the next power of two
 * up for whatever number of packets per second you expect to see.  Be
 * warned: this index's a table of large elements (upto 272 bytes in size
 * each), and thus a size of 8192, for example, results in a 2MB table.
 * The lesson here is not to use small machines for running fast firewalls
 * (100BaseT) in sync, where you might have upwards of 10k pps.
 */
#define	SYNCLOG_SZ	256

typedef	struct	synclogent	{
	struct	synchdr	sle_hdr;
	union	{
		struct	ipstate	sleu_ips;
		struct	nat	sleu_ipn;
	} sle_un;
} synclogent_t;

typedef	struct	syncupdent	{		/* 28 or 32 bytes */
	struct	synchdr	sup_hdr;
	struct	synctcp_update	sup_tcp;
} syncupdent_t;

extern	void *ipf_sync_create __P((ipf_main_softc_t *));
extern	int ipf_sync_soft_init __P((ipf_main_softc_t *, void *));
extern	int ipf_sync_soft_fini __P((ipf_main_softc_t *, void *));
extern	int ipf_sync_canread __P((void *));
extern	int ipf_sync_canwrite __P((void *));
extern	void ipf_sync_del_nat __P((void *, synclist_t *));
extern	void ipf_sync_del_state __P((void *, synclist_t *));
extern	int ipf_sync_init __P((void));
extern	int ipf_sync_ioctl __P((ipf_main_softc_t *, caddr_t, ioctlcmd_t, int, int, void *));
extern	synclist_t *ipf_sync_new __P((ipf_main_softc_t *, int, fr_info_t *, void *));
extern	int ipf_sync_read __P((ipf_main_softc_t *, struct uio *uio));
extern	int ipf_sync_write __P((ipf_main_softc_t *, struct uio *uio));
extern	int ipf_sync_main_unload __P((void));
extern	void ipf_sync_update __P((ipf_main_softc_t *, int, fr_info_t *, synclist_t *));
extern	void ipf_sync_expire __P((ipf_main_softc_t *));
extern	void	ipf_sync_soft_destroy __P((ipf_main_softc_t *, void *));
extern	void	*ipf_sync_soft_create __P((ipf_main_softc_t *));

#endif /* __IP_SYNC_H__ */

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Editing: ip_sync.h

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