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-rw-r--r--sys/netinet/ip_fil.h633
1 files changed, 0 insertions, 633 deletions
diff --git a/sys/netinet/ip_fil.h b/sys/netinet/ip_fil.h
deleted file mode 100644
index c7989940004..00000000000
--- a/sys/netinet/ip_fil.h
+++ /dev/null
@@ -1,633 +0,0 @@
-/* $OpenBSD: ip_fil.h,v 1.24 2001/05/08 19:58:01 fgsch Exp $ */
-
-/*
- * Copyright (C) 1993-2000 by Darren Reed.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that this notice is preserved and due credit is given
- * to the original author and the contributors.
- *
- * @(#)ip_fil.h 1.35 6/5/96
- * $IPFilter: ip_fil.h,v 2.29.2.5 2001/03/20 13:18:05 darrenr Exp $
- */
-
-#ifndef __IP_FIL_H__
-#define __IP_FIL_H__
-
-/*
- * Pathnames for various IP Filter control devices. Used by LKM
- * and userland, so defined here.
- */
-#define IPNAT_NAME "/dev/ipnat"
-#define IPSTATE_NAME "/dev/ipstate"
-#define IPAUTH_NAME "/dev/ipauth"
-
-#ifndef SOLARIS
-# define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
-#endif
-
-#if defined(KERNEL) && !defined(_KERNEL)
-# define _KERNEL
-#endif
-
-#ifndef __P
-# ifdef __STDC__
-# define __P(x) x
-# else
-# define __P(x) ()
-# endif
-#endif
-
-#if defined(__STDC__) || defined(__GNUC__)
-# define SIOCADAFR _IOW('r', 60, struct frentry *)
-# define SIOCRMAFR _IOW('r', 61, struct frentry *)
-# define SIOCSETFF _IOW('r', 62, u_int)
-# define SIOCGETFF _IOR('r', 63, u_int)
-# define SIOCGETFS _IOWR('r', 64, struct friostat *)
-# define SIOCIPFFL _IOWR('r', 65, int)
-# define SIOCIPFFB _IOR('r', 66, int)
-# define SIOCADIFR _IOW('r', 67, struct frentry *)
-# define SIOCRMIFR _IOW('r', 68, struct frentry *)
-# define SIOCSWAPA _IOR('r', 69, u_int)
-# define SIOCINAFR _IOW('r', 70, struct frentry *)
-# define SIOCINIFR _IOW('r', 71, struct frentry *)
-# define SIOCFRENB _IOW('r', 72, u_int)
-# define SIOCFRSYN _IOW('r', 73, u_int)
-# define SIOCFRZST _IOWR('r', 74, struct friostat *)
-# define SIOCZRLST _IOWR('r', 75, struct frentry *)
-# define SIOCAUTHW _IOWR('r', 76, struct fr_info *)
-# define SIOCAUTHR _IOWR('r', 77, struct fr_info *)
-# define SIOCATHST _IOWR('r', 78, struct fr_authstat *)
-# define SIOCSTLCK _IOWR('r', 79, u_int)
-# define SIOCSTPUT _IOWR('r', 80, struct ipstate_save *)
-# define SIOCSTGET _IOWR('r', 81, struct ipstate_save *)
-# define SIOCSTGSZ _IOWR('r', 82, struct natget)
-# define SIOCGFRST _IOWR('r', 83, struct ipfrstat *)
-#else
-# define SIOCADAFR _IOW(r, 60, struct frentry *)
-# define SIOCRMAFR _IOW(r, 61, struct frentry *)
-# define SIOCSETFF _IOW(r, 62, u_int)
-# define SIOCGETFF _IOR(r, 63, u_int)
-# define SIOCGETFS _IOWR(r, 64, struct friostat *)
-# define SIOCIPFFL _IOWR(r, 65, int)
-# define SIOCIPFFB _IOR(r, 66, int)
-# define SIOCADIFR _IOW(r, 67, struct frentry *)
-# define SIOCRMIFR _IOW(r, 68, struct frentry *)
-# define SIOCSWAPA _IOR(r, 69, u_int)
-# define SIOCINAFR _IOW(r, 70, struct frentry *)
-# define SIOCINIFR _IOW(r, 71, struct frentry *)
-# define SIOCFRENB _IOW(r, 72, u_int)
-# define SIOCFRSYN _IOW(r, 73, u_int)
-# define SIOCFRZST _IOWR(r, 74, struct friostat *)
-# define SIOCZRLST _IOWR(r, 75, struct frentry *)
-# define SIOCAUTHW _IOWR(r, 76, struct fr_info *)
-# define SIOCAUTHR _IOWR(r, 77, struct fr_info *)
-# define SIOCATHST _IOWR(r, 78, struct fr_authstat *)
-# define SIOCSTLCK _IOWR(r, 79, u_int)
-# define SIOCSTPUT _IOWR(r, 80, struct ipstate_save *)
-# define SIOCSTGET _IOWR(r, 81, struct ipstate_save *)
-# define SIOCSTGSZ _IOWR(r, 82, struct natget)
-# define SIOCGFRST _IOWR(r, 83, struct ipfrstat *)
-#endif
-#define SIOCADDFR SIOCADAFR
-#define SIOCDELFR SIOCRMAFR
-#define SIOCINSFR SIOCINAFR
-
-
-typedef struct fr_ip {
- u_32_t fi_v:4; /* IP version */
- u_32_t fi_fl:4; /* packet flags */
- u_32_t fi_tos:8; /* IP packet TOS */
- u_32_t fi_ttl:8; /* IP packet TTL */
- u_32_t fi_p:8; /* IP packet protocol */
- union i6addr fi_src; /* source address from packet */
- union i6addr fi_dst; /* destination address from packet */
- u_32_t fi_optmsk; /* bitmask composed from IP options */
- u_short fi_secmsk; /* bitmask composed from IP security options */
- u_short fi_auth; /* authentication code from IP sec. options */
-} fr_ip_t;
-
-#define FI_OPTIONS (FF_OPTIONS >> 24)
-#define FI_TCPUDP (FF_TCPUDP >> 24) /* TCP/UCP implied comparison*/
-#define FI_FRAG (FF_FRAG >> 24)
-#define FI_SHORT (FF_SHORT >> 24)
-#define FI_CMP (FI_OPTIONS|FI_TCPUDP|FI_SHORT)
-
-#define fi_saddr fi_src.in4.s_addr
-#define fi_daddr fi_dst.in4.s_addr
-
-
-/*
- * These are both used by the state and NAT code to indicate that one port or
- * the other should be treated as a wildcard.
- */
-#define FI_W_SPORT 0x00000100
-#define FI_W_DPORT 0x00000200
-#define FI_WILDP (FI_W_SPORT|FI_W_DPORT)
-#define FI_W_SADDR 0x00000400
-#define FI_W_DADDR 0x00000800
-#define FI_WILDA (FI_W_SADDR|FI_W_DADDR)
-#define FI_NEWFR 0x00001000
-
-typedef struct fr_info {
- void *fin_ifp; /* interface packet is `on' */
- struct fr_ip fin_fi; /* IP Packet summary */
- u_short fin_data[2]; /* TCP/UDP ports, ICMP code/type */
- u_char fin_out; /* in or out ? 1 == out, 0 == in */
- u_char fin_rev; /* state only: 1 = reverse */
- u_short fin_hlen; /* length of IP header in bytes */
- u_char fin_tcpf; /* TCP header flags (SYN, ACK, etc) */
- /* From here on is packet specific */
- u_char fin_icode; /* ICMP error to return */
- u_short fin_rule; /* rule # last matched */
- u_32_t fin_group; /* group number, -1 for none */
- struct frentry *fin_fr; /* last matching rule */
- char *fin_dp; /* start of data past IP header */
- u_short fin_dlen; /* length of data portion of packet */
- u_short fin_id; /* IP packet id field */
- void *fin_mp; /* pointer to pointer to mbuf */
-#if SOLARIS
- void *fin_qfm; /* pointer to mblk where pkt starts */
- void *fin_qif;
-#endif
- u_short fin_plen;
- u_short fin_off;
-} fr_info_t;
-
-#define fin_v fin_fi.fi_v
-
-/*
- * Size for compares on fr_info structures
- */
-#define FI_CSIZE offsetof(fr_info_t, fin_icode)
-
-/*
- * Size for copying cache fr_info structure
- */
-#define FI_COPYSIZE offsetof(fr_info_t, fin_dp)
-
-typedef struct frdest {
- void *fd_ifp;
- struct in_addr fd_ip;
- char fd_ifname[IFNAMSIZ];
-} frdest_t;
-
-typedef struct frpcmp {
- int frp_cmp; /* data for port comparisons */
- u_short frp_port; /* top port for <> and >< */
- u_short frp_top; /* top port for <> and >< */
-} frpcmp_t;
-
-typedef struct frtuc {
- u_char ftu_tcpfm; /* tcp flags mask */
- u_char ftu_tcpf; /* tcp flags */
- frpcmp_t ftu_src;
- frpcmp_t ftu_dst;
-} frtuc_t;
-
-#define ftu_scmp ftu_src.frp_cmp
-#define ftu_dcmp ftu_dst.frp_cmp
-#define ftu_sport ftu_src.frp_port
-#define ftu_dport ftu_dst.frp_port
-#define ftu_stop ftu_src.frp_top
-#define ftu_dtop ftu_dst.frp_top
-
-typedef struct frentry {
- struct frentry *fr_next;
- u_32_t fr_group; /* group to which this rule belongs */
- u_32_t fr_grhead; /* group # which this rule starts */
- struct frentry *fr_grp;
- int fr_ref; /* reference count - for grouping */
- void *fr_ifa;
-#if BSD >= 199306
- void *fr_oifa;
-#endif
- /*
- * These are only incremented when a packet matches this rule and
- * it is the last match
- */
- U_QUAD_T fr_hits;
- U_QUAD_T fr_bytes;
- /*
- * Fields after this may not change whilst in the kernel.
- */
- struct fr_ip fr_ip;
- struct fr_ip fr_mip; /* mask structure */
-
-
- u_short fr_icmpm; /* data for ICMP packets (mask) */
- u_short fr_icmp;
-
- frtuc_t fr_tuc;
- u_32_t fr_flags; /* per-rule flags && options (see below) */
- u_int fr_skip; /* # of rules to skip */
- u_int fr_loglevel; /* syslog log facility + priority */
- int (*fr_func) __P((int, ip_t *, fr_info_t *)); /* call this function */
- int fr_sap; /* For solaris only */
- u_char fr_icode; /* return ICMP code */
- char fr_ifname[IFNAMSIZ];
-#if BSD >= 199306
- char fr_oifname[IFNAMSIZ];
-#endif
- struct frdest fr_tif; /* "to" interface */
- struct frdest fr_dif; /* duplicate packet interfaces */
- u_int fr_cksum; /* checksum on filter rules for performance */
-} frentry_t;
-
-#define fr_v fr_ip.fi_v
-#define fr_proto fr_ip.fi_p
-#define fr_ttl fr_ip.fi_ttl
-#define fr_tos fr_ip.fi_tos
-#define fr_tcpfm fr_tuc.ftu_tcpfm
-#define fr_tcpf fr_tuc.ftu_tcpf
-#define fr_scmp fr_tuc.ftu_scmp
-#define fr_dcmp fr_tuc.ftu_dcmp
-#define fr_dport fr_tuc.ftu_dport
-#define fr_sport fr_tuc.ftu_sport
-#define fr_stop fr_tuc.ftu_stop
-#define fr_dtop fr_tuc.ftu_dtop
-#define fr_dst fr_ip.fi_dst.in4
-#define fr_src fr_ip.fi_src.in4
-#define fr_dmsk fr_mip.fi_dst.in4
-#define fr_smsk fr_mip.fi_src.in4
-
-#ifndef offsetof
-#define offsetof(t,m) (int)((&((t *)0L)->m))
-#endif
-#define FR_CMPSIZ (sizeof(struct frentry) - offsetof(frentry_t, fr_ip))
-
-/*
- * fr_flags
- */
-#define FR_BLOCK 0x00001 /* do not allow packet to pass */
-#define FR_PASS 0x00002 /* allow packet to pass */
-#define FR_OUTQUE 0x00004 /* outgoing packets */
-#define FR_INQUE 0x00008 /* ingoing packets */
-#define FR_LOG 0x00010 /* Log */
-#define FR_LOGB 0x00011 /* Log-fail */
-#define FR_LOGP 0x00012 /* Log-pass */
-#define FR_LOGBODY 0x00020 /* Log the body */
-#define FR_LOGFIRST 0x00040 /* Log the first byte if state held */
-#define FR_RETRST 0x00080 /* Return TCP RST packet - reset connection */
-#define FR_RETICMP 0x00100 /* Return ICMP unreachable packet */
-#define FR_FAKEICMP 0x00180 /* Return ICMP unreachable with fake source */
-#define FR_NOMATCH 0x00200 /* no match occured */
-#define FR_ACCOUNT 0x00400 /* count packet bytes */
-#define FR_KEEPFRAG 0x00800 /* keep fragment information */
-#define FR_KEEPSTATE 0x01000 /* keep `connection' state information */
-#define FR_INACTIVE 0x02000
-#define FR_QUICK 0x04000 /* match & stop processing list */
-#define FR_FASTROUTE 0x08000 /* bypass normal routing */
-#define FR_CALLNOW 0x10000 /* call another function (fr_func) if matches */
-#define FR_DUP 0x20000 /* duplicate packet */
-#define FR_LOGORBLOCK 0x40000 /* block the packet if it can't be logged */
-#define FR_NOTSRCIP 0x80000 /* not the src IP# */
-#define FR_NOTDSTIP 0x100000 /* not the dst IP# */
-#define FR_AUTH 0x200000 /* use authentication */
-#define FR_PREAUTH 0x400000 /* require preauthentication */
-#define FR_DONTCACHE 0x800000 /* don't cache the result */
-
-#define FR_LOGMASK (FR_LOG|FR_LOGP|FR_LOGB)
-#define FR_RETMASK (FR_RETICMP|FR_RETRST|FR_FAKEICMP)
-
-/*
- * These correspond to #define's for FI_* and are stored in fr_flags
- */
-#define FF_OPTIONS 0x01000000
-#define FF_TCPUDP 0x02000000
-#define FF_FRAG 0x04000000
-#define FF_SHORT 0x08000000
-/*
- * recognized flags for SIOCGETFF and SIOCSETFF, and get put in fr_flags
- */
-#define FF_LOGPASS 0x10000000
-#define FF_LOGBLOCK 0x20000000
-#define FF_LOGNOMATCH 0x40000000
-#define FF_LOGGING (FF_LOGPASS|FF_LOGBLOCK|FF_LOGNOMATCH)
-#define FF_BLOCKNONIP 0x80000000 /* Solaris2 Only */
-
-#define FR_NONE 0
-#define FR_EQUAL 1
-#define FR_NEQUAL 2
-#define FR_LESST 3
-#define FR_GREATERT 4
-#define FR_LESSTE 5
-#define FR_GREATERTE 6
-#define FR_OUTRANGE 7
-#define FR_INRANGE 8
-
-typedef struct filterstats {
- u_long fr_pass; /* packets allowed */
- u_long fr_block; /* packets denied */
- u_long fr_nom; /* packets which don't match any rule */
- u_long fr_short; /* packets which are short */
- u_long fr_ppkl; /* packets allowed and logged */
- u_long fr_bpkl; /* packets denied and logged */
- u_long fr_npkl; /* packets unmatched and logged */
- u_long fr_pkl; /* packets logged */
- u_long fr_skip; /* packets to be logged but buffer full */
- u_long fr_ret; /* packets for which a return is sent */
- u_long fr_acct; /* packets for which counting was performed */
- u_long fr_bnfr; /* bad attempts to allocate fragment state */
- u_long fr_nfr; /* new fragment state kept */
- u_long fr_cfr; /* add new fragment state but complete pkt */
- u_long fr_bads; /* bad attempts to allocate packet state */
- u_long fr_ads; /* new packet state kept */
- u_long fr_chit; /* cached hit */
- u_long fr_tcpbad; /* TCP checksum check failures */
- u_long fr_pull[2]; /* good and bad pullup attempts */
- u_long fr_badsrc; /* source received doesn't match route */
- u_long fr_badttl; /* TTL in packet doesn't reach minimum */
-#if SOLARIS
- u_long fr_notdata; /* PROTO/PCPROTO that have no data */
- u_long fr_nodata; /* mblks that have no data */
- u_long fr_bad; /* bad IP packets to the filter */
- u_long fr_notip; /* packets passed through no on ip queue */
- u_long fr_drop; /* packets dropped - no info for them! */
- u_long fr_copy; /* messages copied due to db_ref > 1 */
-#endif
- u_long fr_ipv6[2]; /* IPv6 packets in/out */
-} filterstats_t;
-
-/*
- * For SIOCGETFS
- */
-typedef struct friostat {
- struct filterstats f_st[2];
- struct frentry *f_fin[2];
- struct frentry *f_fout[2];
- struct frentry *f_acctin[2];
- struct frentry *f_acctout[2];
- struct frentry *f_fin6[2];
- struct frentry *f_fout6[2];
- struct frentry *f_acctin6[2];
- struct frentry *f_acctout6[2];
- struct frentry *f_auth;
- struct frgroup *f_groups[3][2];
- u_long f_froute[2];
- int f_defpass; /* default pass - from fr_pass */
- char f_active; /* 1 or 0 - active rule set */
- char f_running; /* 1 if running, else 0 */
- char f_logging; /* 1 if enabled, else 0 */
- char f_version[32]; /* version string */
- int f_locks[4];
-} friostat_t;
-
-typedef struct optlist {
- u_short ol_val;
- int ol_bit;
-} optlist_t;
-
-
-/*
- * Group list structure.
- */
-typedef struct frgroup {
- u_32_t fg_num;
- struct frgroup *fg_next;
- struct frentry *fg_head;
- struct frentry **fg_start;
-} frgroup_t;
-
-
-/*
- * Log structure. Each packet header logged is prepended by one of these.
- * Following this in the log records read from the device will be an ipflog
- * structure which is then followed by any packet data.
- */
-typedef struct iplog {
- u_32_t ipl_magic;
- u_int ipl_count;
- u_long ipl_sec;
- u_long ipl_usec;
- size_t ipl_dsize;
- struct iplog *ipl_next;
-} iplog_t;
-
-#define IPL_MAGIC 0x49504c4d /* 'IPLM' */
-
-typedef struct ipflog {
-#if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199603)) || \
- (defined(OpenBSD) && (OpenBSD >= 199603))
- u_char fl_ifname[IFNAMSIZ];
-#else
- u_int fl_unit;
- u_char fl_ifname[4];
-#endif
- u_char fl_plen; /* extra data after hlen */
- u_char fl_hlen; /* length of IP headers saved */
- u_short fl_loglevel; /* syslog log level */
- u_32_t fl_rule;
- u_32_t fl_group;
- u_32_t fl_flags;
- u_32_t fl_lflags;
-} ipflog_t;
-
-
-#ifndef ICMP_UNREACH_FILTER
-# define ICMP_UNREACH_FILTER 13
-#endif
-
-#ifndef IPF_LOGGING
-# define IPF_LOGGING 0
-#endif
-#ifndef IPF_DEFAULT_PASS
-# define IPF_DEFAULT_PASS FR_PASS
-#endif
-
-#define IPMINLEN(i, h) ((i)->ip_len >= ((i)->ip_hl * 4 + sizeof(struct h)))
-#define IPLLOGSIZE 8192
-
-/*
- * Device filenames for reading log information. Use ipf on Solaris2 because
- * ipl is already a name used by something else.
- */
-#ifndef IPL_NAME
-# if SOLARIS
-# define IPL_NAME "/dev/ipf"
-# else
-# define IPL_NAME "/dev/ipl"
-# endif
-#endif
-#define IPL_NAT IPNAT_NAME
-#define IPL_STATE IPSTATE_NAME
-#define IPL_AUTH IPAUTH_NAME
-
-#define IPL_LOGIPF 0 /* Minor device #'s for accessing logs */
-#define IPL_LOGNAT 1
-#define IPL_LOGSTATE 2
-#define IPL_LOGAUTH 3
-#define IPL_LOGMAX 3
-
-#if !defined(CDEV_MAJOR) && defined (__FreeBSD_version) && \
- (__FreeBSD_version >= 220000)
-# define CDEV_MAJOR 79
-#endif
-
-/*
- * Post NetBSD 1.2 has the PFIL interface for packet filters. This turns
- * on those hooks. We don't need any special mods in non-IP Filter code
- * with this!
- */
-#if (defined(NetBSD) && (NetBSD > 199609) && (NetBSD <= 1991011)) || \
- (defined(NetBSD1_2) && NetBSD1_2 > 1)
-# if (NetBSD >= 199905)
-# define PFIL_HOOKS
-# endif
-# ifdef PFIL_HOOKS
-# define NETBSD_PF
-# endif
-#endif
-
-
-#ifndef _KERNEL
-extern int fr_check __P((ip_t *, int, void *, int, mb_t **));
-extern int (*fr_checkp) __P((ip_t *, int, void *, int, mb_t **));
-extern int send_reset __P((ip_t *, struct ifnet *));
-extern int icmp_error __P((ip_t *, struct ifnet *));
-extern int ipf_log __P((void));
-extern int ipfr_fastroute __P((ip_t *, fr_info_t *, frdest_t *));
-extern struct ifnet *get_unit __P((char *, int));
-# if defined(__NetBSD__) || defined(__OpenBSD__) || \
- (_BSDI_VERSION >= 199701) || (__FreeBSD_version >= 300000)
-extern int iplioctl __P((dev_t, u_long, caddr_t, int));
-# else
-extern int iplioctl __P((dev_t, int, caddr_t, int));
-# endif
-extern int iplopen __P((dev_t, int));
-extern int iplclose __P((dev_t, int));
-#else /* #ifndef _KERNEL */
-# if defined(__NetBSD__) && defined(PFIL_HOOKS)
-extern void ipfilterattach __P((int));
-# endif
-extern int iplattach __P((void));
-extern int ipl_enable __P((void));
-extern int ipl_disable __P((void));
-extern void ipflog_init __P((void));
-extern int ipflog_clear __P((minor_t));
-extern int ipflog_read __P((minor_t, struct uio *));
-extern int ipflog __P((u_int, ip_t *, fr_info_t *, mb_t *));
-extern int ipllog __P((int, fr_info_t *, void **, size_t *, int *, int));
-extern int send_icmp_err __P((ip_t *, int, fr_info_t *, int));
-extern int send_reset __P((ip_t *, fr_info_t *));
-# if SOLARIS
-extern int fr_check __P((ip_t *, int, void *, int, qif_t *, mb_t **));
-extern int (*fr_checkp) __P((ip_t *, int, void *,
- int, qif_t *, mb_t **));
-# if SOLARIS2 >= 7
-extern int iplioctl __P((dev_t, int, intptr_t, int, cred_t *, int *));
-# else
-extern int iplioctl __P((dev_t, int, int *, int, cred_t *, int *));
-# endif
-extern int iplopen __P((dev_t *, int, int, cred_t *));
-extern int iplclose __P((dev_t, int, int, cred_t *));
-extern int ipfsync __P((void));
-extern int ipfr_fastroute __P((ip_t *, mblk_t *, mblk_t **,
- fr_info_t *, frdest_t *));
-extern void copyin_mblk __P((mblk_t *, size_t, size_t, char *));
-extern void copyout_mblk __P((mblk_t *, size_t, size_t, char *));
-extern int fr_qin __P((queue_t *, mblk_t *));
-extern int fr_qout __P((queue_t *, mblk_t *));
-extern int iplread __P((dev_t, struct uio *, cred_t *));
-# else /* SOLARIS */
-extern int fr_check __P((ip_t *, int, void *, int, mb_t **));
-extern int (*fr_checkp) __P((ip_t *, int, void *, int, mb_t **));
-extern int ipfr_fastroute __P((mb_t *, fr_info_t *, frdest_t *));
-extern size_t mbufchainlen __P((mb_t *));
-# ifdef __sgi
-# include <sys/cred.h>
-extern int iplioctl __P((dev_t, int, caddr_t, int, cred_t *, int *));
-extern int iplopen __P((dev_t *, int, int, cred_t *));
-extern int iplclose __P((dev_t, int, int, cred_t *));
-extern int iplread __P((dev_t, struct uio *, cred_t *));
-extern int ipfsync __P((void));
-extern int ipfilter_sgi_attach __P((void));
-extern void ipfilter_sgi_detach __P((void));
-extern void ipfilter_sgi_intfsync __P((void));
-# else
-# ifdef IPFILTER_LKM
-extern int iplidentify __P((char *));
-# endif
-# if (_BSDI_VERSION >= 199510) || (__FreeBSD_version >= 220000) || \
- (NetBSD >= 199511) || defined(__OpenBSD__)
-# if defined(__NetBSD__) || (_BSDI_VERSION >= 199701) || \
- defined(__OpenBSD__) || (__FreeBSD_version >= 300000)
-extern int iplioctl __P((dev_t, u_long, caddr_t, int, struct proc *));
-# else
-extern int iplioctl __P((dev_t, int, caddr_t, int, struct proc *));
-# endif
-extern int iplopen __P((dev_t, int, int, struct proc *));
-extern int iplclose __P((dev_t, int, int, struct proc *));
-# else
-# ifndef linux
-extern int iplopen __P((dev_t, int));
-extern int iplclose __P((dev_t, int));
-extern int iplioctl __P((dev_t, int, caddr_t, int));
-# else
-extern int iplioctl(struct inode *, struct file *, u_int, u_long);
-extern int iplopen __P((struct inode *, struct file *));
-extern void iplclose __P((struct inode *, struct file *));
-# endif /* !linux */
-# endif /* (_BSDI_VERSION >= 199510) */
-# if BSD >= 199306
-extern int iplread __P((dev_t, struct uio *, int));
-# else
-# ifndef linux
-extern int iplread __P((dev_t, struct uio *));
-# else
-extern int iplread(struct inode *, struct file *, char *, int);
-# endif /* !linux */
-# endif /* BSD >= 199306 */
-# endif /* __ sgi */
-# endif /* SOLARIS */
-#endif /* #ifndef _KERNEL */
-
-extern char *memstr __P((char *, char *, int, int));
-extern void fixskip __P((frentry_t **, frentry_t *, int));
-extern int countbits __P((u_32_t));
-extern int ipldetach __P((void));
-extern u_short ipf_cksum __P((u_short *, int));
-extern int ircopyptr __P((void *, void *, size_t));
-extern int iwcopyptr __P((void *, void *, size_t));
-
-extern int frflush __P((minor_t, int));
-extern void frsync __P((void));
-extern frgroup_t *fr_addgroup __P((u_32_t, frentry_t *, minor_t, int));
-extern void fr_delgroup __P((u_32_t, u_32_t, minor_t, int));
-extern frgroup_t *fr_findgroup __P((u_32_t, u_32_t, minor_t, int,
- frgroup_t ***));
-
-extern int fr_copytolog __P((int, char *, int));
-extern void fr_forgetifp __P((void *));
-extern void fr_getstat __P((struct friostat *));
-extern int fr_ifpaddr __P((int, void *, struct in_addr *));
-extern int fr_lock __P((caddr_t, int *));
-extern void fr_makefrip __P((int, ip_t *, fr_info_t *));
-extern u_short fr_tcpsum __P((mb_t *, ip_t *, tcphdr_t *));
-extern int fr_scanlist __P((u_32_t, ip_t *, fr_info_t *, void *));
-extern int fr_tcpudpchk __P((frtuc_t *, fr_info_t *));
-extern int fr_verifysrc __P((struct in_addr, void *));
-
-extern int ipl_unreach;
-extern int fr_running;
-extern u_long ipl_frouteok[2];
-extern int fr_pass;
-extern int fr_flags;
-extern int fr_active;
-extern int fr_chksrc;
-extern int fr_minttl;
-extern int fr_minttllog;
-extern fr_info_t frcache[2];
-extern char ipfilter_version[];
-extern iplog_t **iplh[IPL_LOGMAX+1], *iplt[IPL_LOGMAX+1];
-extern size_t iplused[IPL_LOGMAX + 1];
-extern struct frentry *ipfilter[2][2], *ipacct[2][2];
-#ifdef USE_INET6
-extern struct frentry *ipfilter6[2][2], *ipacct6[2][2];
-extern int icmptoicmp6types[ICMP_MAXTYPE+1];
-extern int icmptoicmp6unreach[ICMP_MAX_UNREACH];
-#endif
-extern struct frgroup *ipfgroups[3][2];
-extern struct filterstats frstats[];
-
-#endif /* __IP_FIL_H__ */