307 lines
9.5 KiB
C
307 lines
9.5 KiB
C
/* $FreeBSD$ */
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/*
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* Copyright (C) 1993-2001, 2003 by Darren Reed.
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*
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* See the IPFILTER.LICENCE file for details on licencing.
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*
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* @(#)ipf.h 1.12 6/5/96
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* $Id: ipf.h,v 2.71.2.8 2005/12/30 07:03:21 darrenr Exp $
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*/
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#ifndef __IPF_H__
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#define __IPF_H__
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#if defined(__osf__)
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# define radix_mask ipf_radix_mask
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# define radix_node ipf_radix_node
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# define radix_node_head ipf_radix_node_head
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#endif
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/file.h>
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/*
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* This is a workaround for <sys/uio.h> troubles on FreeBSD, HPUX, OpenBSD.
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* Needed here because on some systems <sys/uio.h> gets included by things
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* like <sys/socket.h>
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*/
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#ifndef _KERNEL
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# define ADD_KERNEL
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# define _KERNEL
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# define KERNEL
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#endif
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#ifdef __OpenBSD__
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struct file;
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#endif
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#include <sys/uio.h>
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#ifdef ADD_KERNEL
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# undef _KERNEL
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# undef KERNEL
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#endif
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#if __FreeBSD_version >= 300000
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# include <net/if_var.h>
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#endif
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_icmp.h>
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#ifndef TCP_PAWS_IDLE /* IRIX */
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# include <netinet/tcp.h>
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#endif
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#include <netinet/udp.h>
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#include <arpa/inet.h>
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#include <errno.h>
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#include <limits.h>
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#include <netdb.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdio.h>
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#if !defined(__SVR4) && !defined(__svr4__) && defined(sun)
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# include <strings.h>
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#endif
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#include <string.h>
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#include <unistd.h>
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#include "netinet/ip_compat.h"
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#include "netinet/ip_fil.h"
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#include "netinet/ip_nat.h"
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#include "netinet/ip_frag.h"
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#include "netinet/ip_state.h"
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#include "netinet/ip_proxy.h"
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#include "netinet/ip_auth.h"
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#include "netinet/ip_lookup.h"
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#include "netinet/ip_pool.h"
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#include "netinet/ip_scan.h"
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#include "netinet/ip_htable.h"
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#include "netinet/ip_sync.h"
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#include "opts.h"
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#ifndef __P
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# ifdef __STDC__
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# define __P(x) x
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# else
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# define __P(x) ()
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# endif
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#endif
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#ifndef __STDC__
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# undef const
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# define const
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#endif
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#ifndef U_32_T
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# define U_32_T 1
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# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
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defined(__sgi)
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typedef u_int32_t u_32_t;
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# else
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# if defined(__alpha__) || defined(__alpha) || defined(_LP64)
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typedef unsigned int u_32_t;
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# else
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# if SOLARIS2 >= 6
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typedef uint32_t u_32_t;
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# else
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typedef unsigned int u_32_t;
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# endif
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# endif
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# endif /* __NetBSD__ || __OpenBSD__ || __FreeBSD__ || __sgi */
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#endif /* U_32_T */
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#ifndef MAXHOSTNAMELEN
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# define MAXHOSTNAMELEN 256
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#endif
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#define MAX_ICMPCODE 16
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#define MAX_ICMPTYPE 19
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struct ipopt_names {
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int on_value;
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int on_bit;
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int on_siz;
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char *on_name;
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};
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typedef struct alist_s {
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struct alist_s *al_next;
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int al_not;
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i6addr_t al_i6addr;
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i6addr_t al_i6mask;
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} alist_t;
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#define al_addr al_i6addr.in4_addr
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#define al_mask al_i6mask.in4_addr
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#define al_1 al_addr
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#define al_2 al_mask
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typedef struct {
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u_short fb_c;
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u_char fb_t;
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u_char fb_f;
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u_32_t fb_k;
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} fakebpf_t;
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#if defined(__NetBSD__) || defined(__OpenBSD__) || \
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(_BSDI_VERSION >= 199701) || (__FreeBSD_version >= 300000) || \
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SOLARIS || defined(__sgi) || defined(__osf__) || defined(linux)
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# include <stdarg.h>
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typedef int (* ioctlfunc_t) __P((int, ioctlcmd_t, ...));
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#else
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typedef int (* ioctlfunc_t) __P((dev_t, ioctlcmd_t, void *));
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#endif
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typedef void (* addfunc_t) __P((int, ioctlfunc_t, void *));
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typedef int (* copyfunc_t) __P((void *, void *, size_t));
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/*
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* SunOS4
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*/
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#if defined(sun) && !defined(__SVR4) && !defined(__svr4__)
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extern int ioctl __P((int, int, void *));
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#endif
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extern char thishost[];
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extern char flagset[];
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extern u_char flags[];
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extern struct ipopt_names ionames[];
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extern struct ipopt_names secclass[];
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extern char *icmpcodes[MAX_ICMPCODE + 1];
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extern char *icmptypes[MAX_ICMPTYPE + 1];
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extern int use_inet6;
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extern int lineNum;
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extern struct ipopt_names v6ionames[];
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extern int addicmp __P((char ***, struct frentry *, int));
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extern int addipopt __P((char *, struct ipopt_names *, int, char *));
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extern int addkeep __P((char ***, struct frentry *, int));
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extern void binprint __P((void *, size_t));
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extern void initparse __P((void));
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extern u_32_t buildopts __P((char *, char *, int));
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extern int checkrev __P((char *));
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extern int count6bits __P((u_32_t *));
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extern int count4bits __P((u_32_t));
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extern int extras __P((char ***, struct frentry *, int));
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extern char *fac_toname __P((int));
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extern int fac_findname __P((char *));
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extern void fill6bits __P((int, u_int *));
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extern int gethost __P((char *, u_32_t *));
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extern int getport __P((struct frentry *, char *, u_short *));
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extern int getportproto __P((char *, int));
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extern int getproto __P((char *));
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extern char *getline __P((char *, size_t, FILE *, int *));
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extern int genmask __P((char *, u_32_t *));
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extern char *getnattype __P((struct ipnat *));
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extern char *getsumd __P((u_32_t));
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extern u_32_t getoptbyname __P((char *));
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extern u_32_t getoptbyvalue __P((int));
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extern u_32_t getv6optbyname __P((char *));
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extern u_32_t getv6optbyvalue __P((int));
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extern void hexdump __P((FILE *, void *, int, int));
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extern int hostmask __P((char ***, char *, char *, u_32_t *, u_32_t *, int));
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extern int hostnum __P((u_32_t *, char *, int, char *));
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extern int icmpcode __P((char *));
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extern int icmpidnum __P((char *, u_short *, int));
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extern void initparse __P((void));
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extern void ipf_dotuning __P((int, char *, ioctlfunc_t));
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extern void ipf_addrule __P((int, ioctlfunc_t, void *));
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extern int ipf_parsefile __P((int, addfunc_t, ioctlfunc_t *, char *));
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extern int ipf_parsesome __P((int, addfunc_t, ioctlfunc_t *, FILE *));
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extern int ipmon_parsefile __P((char *));
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extern int ipmon_parsesome __P((FILE *));
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extern void ipnat_addrule __P((int, ioctlfunc_t, void *));
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extern int ipnat_parsefile __P((int, addfunc_t, ioctlfunc_t, char *));
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extern int ipnat_parsesome __P((int, addfunc_t, ioctlfunc_t, FILE *));
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extern int ippool_parsefile __P((int, char *, ioctlfunc_t));
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extern int ippool_parsesome __P((int, FILE *, ioctlfunc_t));
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extern int kmemcpywrap __P((void *, void *, size_t));
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extern char *kvatoname __P((ipfunc_t, ioctlfunc_t));
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extern int load_hash __P((struct iphtable_s *, struct iphtent_s *,
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ioctlfunc_t));
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extern int load_hashnode __P((int, char *, struct iphtent_s *, ioctlfunc_t));
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extern int load_pool __P((struct ip_pool_s *list, ioctlfunc_t));
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extern int load_poolnode __P((int, char *, ip_pool_node_t *, ioctlfunc_t));
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extern int loglevel __P((char **, u_int *, int));
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extern alist_t *make_range __P((int, struct in_addr, struct in_addr));
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extern ipfunc_t nametokva __P((char *, ioctlfunc_t));
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extern ipnat_t *natparse __P((char *, int));
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extern void natparsefile __P((int, char *, int));
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extern void nat_setgroupmap __P((struct ipnat *));
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extern int ntomask __P((int, int, u_32_t *));
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extern u_32_t optname __P((char ***, u_short *, int));
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extern struct frentry *parse __P((char *, int));
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extern char *portname __P((int, int));
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extern int portnum __P((char *, char *, u_short *, int));
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extern int ports __P((char ***, char *, u_short *, int *, u_short *, int));
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extern int pri_findname __P((char *));
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extern char *pri_toname __P((int));
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extern void print_toif __P((char *, struct frdest *));
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extern void printaps __P((ap_session_t *, int));
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extern void printbuf __P((char *, int, int));
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extern void printfr __P((struct frentry *, ioctlfunc_t));
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extern void printtunable __P((ipftune_t *));
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extern struct iphtable_s *printhash __P((struct iphtable_s *, copyfunc_t,
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char *, int));
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extern struct iphtent_s *printhashnode __P((struct iphtable_s *,
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struct iphtent_s *,
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copyfunc_t, int));
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extern void printhostmask __P((int, u_32_t *, u_32_t *));
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extern void printip __P((u_32_t *));
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extern void printlog __P((struct frentry *));
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extern void printlookup __P((i6addr_t *addr, i6addr_t *mask));
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extern void printmask __P((u_32_t *));
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extern void printpacket __P((struct ip *));
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extern void printpacket6 __P((struct ip *));
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extern struct ip_pool_s *printpool __P((struct ip_pool_s *, copyfunc_t,
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char *, int));
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extern struct ip_pool_node *printpoolnode __P((struct ip_pool_node *, int));
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extern void printproto __P((struct protoent *, int, struct ipnat *));
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extern void printportcmp __P((int, struct frpcmp *));
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extern void optprint __P((u_short *, u_long, u_long));
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#ifdef USE_INET6
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extern void optprintv6 __P((u_short *, u_long, u_long));
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#endif
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extern int ratoi __P((char *, int *, int, int));
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extern int ratoui __P((char *, u_int *, u_int, u_int));
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extern int remove_hash __P((struct iphtable_s *, ioctlfunc_t));
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extern int remove_hashnode __P((int, char *, struct iphtent_s *, ioctlfunc_t));
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extern int remove_pool __P((ip_pool_t *, ioctlfunc_t));
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extern int remove_poolnode __P((int, char *, ip_pool_node_t *, ioctlfunc_t));
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extern u_char tcp_flags __P((char *, u_char *, int));
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extern u_char tcpflags __P((char *));
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extern int to_interface __P((struct frdest *, char *, int));
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extern void printc __P((struct frentry *));
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extern void printC __P((int));
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extern void emit __P((int, int, void *, struct frentry *));
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extern u_char secbit __P((int));
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extern u_char seclevel __P((char *));
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extern void printfraginfo __P((char *, struct ipfr *));
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extern void printifname __P((char *, char *, void *));
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extern char *hostname __P((int, void *));
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extern struct ipstate *printstate __P((struct ipstate *, int, u_long));
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extern void printsbuf __P((char *));
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extern void printnat __P((struct ipnat *, int));
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extern void printactivenat __P((struct nat *, int));
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extern void printhostmap __P((struct hostmap *, u_int));
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extern void printpacket __P((struct ip *));
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extern void set_variable __P((char *, char *));
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extern char *get_variable __P((char *, char **, int));
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extern void resetlexer __P((void));
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#if SOLARIS
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extern int gethostname __P((char *, int ));
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extern void sync __P((void));
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#endif
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#endif /* __IPF_H__ */
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