4cd1807c7d
In the old days when K&R C and STD C were each in use a workaround (read hack) was required to allow the same code to work on each without modification. All C compilers support STD C. We can finally put the __P prototype to rest. MFC after: 1 week
378 lines
11 KiB
C
378 lines
11 KiB
C
/* $FreeBSD$ */
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/*
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* Copyright (C) 2012 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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* $Id$
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*/
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#ifndef __IPF_H__
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#define __IPF_H__
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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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#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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#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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# include <netinet/tcp.h>
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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 "netinet/ip_dstlist.h"
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#include "opts.h"
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#ifndef __P
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# define __P(x) x
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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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#define PRINTF (void)printf
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#define FPRINTF (void)fprintf
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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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int al_family;
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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 plist_s {
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struct plist_s *pl_next;
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int pl_compare;
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u_short pl_port1;
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u_short pl_port2;
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} plist_t;
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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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typedef struct {
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char *it_name;
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int it_v4;
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int it_v6;
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} icmptype_t;
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typedef struct wordtab {
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char *w_word;
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int w_value;
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} wordtab_t;
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typedef struct namelist {
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struct namelist *na_next;
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char *na_name;
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int na_value;
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} namelist_t;
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typedef struct proxyrule {
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struct proxyrule *pr_next;
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char *pr_proxy;
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char *pr_conf;
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namelist_t *pr_names;
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int pr_proto;
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} proxyrule_t;
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#if defined(__NetBSD__) || defined(__FreeBSD_version) || \
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SOLARIS
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# include <stdarg.h>
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typedef int (* ioctlfunc_t)(int, ioctlcmd_t, ...);
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#else
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typedef int (* ioctlfunc_t)(dev_t, ioctlcmd_t, void *);
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#endif
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typedef int (* addfunc_t)(int, ioctlfunc_t, void *);
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typedef int (* copyfunc_t)(void *, void *, size_t);
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extern char thishost[MAXHOSTNAMELEN];
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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 int debuglevel;
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extern struct ipopt_names v6ionames[];
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extern icmptype_t icmptypelist[];
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extern wordtab_t statefields[];
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extern wordtab_t natfields[];
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extern wordtab_t poolfields[];
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extern int addicmp(char ***, struct frentry *, int);
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extern int addipopt(char *, struct ipopt_names *, int, char *);
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extern int addkeep(char ***, struct frentry *, int);
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extern alist_t *alist_new(int, char *);
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extern void alist_free(alist_t *);
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extern void assigndefined(char *);
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extern void binprint(void *, size_t);
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extern u_32_t buildopts(char *, char *, int);
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extern int checkrev(char *);
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extern int connecttcp(char *, int);
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extern int count6bits(u_32_t *);
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extern int count4bits(u_32_t);
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extern char *fac_toname(int);
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extern int fac_findname(char *);
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extern const char *familyname(const int);
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extern void fill6bits(int, u_int *);
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extern wordtab_t *findword(wordtab_t *, char *);
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extern int ftov(int);
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extern char *ipf_geterror(int, ioctlfunc_t *);
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extern int genmask(int, char *, i6addr_t *);
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extern int gethost(int, char *, i6addr_t *);
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extern int geticmptype(int, char *);
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extern int getport(struct frentry *, char *, u_short *, char *);
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extern int getportproto(char *, int);
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extern int getproto(char *);
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extern char *getnattype(struct nat *);
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extern char *getsumd(u_32_t);
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extern u_32_t getoptbyname(char *);
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extern u_32_t getoptbyvalue(int);
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extern u_32_t getv6optbyname(char *);
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extern u_32_t getv6optbyvalue(int);
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extern char *icmptypename(int, int);
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extern void initparse(void);
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extern void ipf_dotuning(int, char *, ioctlfunc_t);
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extern int ipf_addrule(int, ioctlfunc_t, void *);
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extern void ipf_mutex_clean(void);
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extern int ipf_parsefile(int, addfunc_t, ioctlfunc_t *, char *);
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extern int ipf_parsesome(int, addfunc_t, ioctlfunc_t *, FILE *);
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extern void ipf_perror(int, char *);
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extern int ipf_perror_fd( int, ioctlfunc_t, char *);
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extern void ipf_rwlock_clean(void);
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extern char *ipf_strerror(int);
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extern void ipferror(int, char *);
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extern int ipmon_parsefile(char *);
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extern int ipmon_parsesome(FILE *);
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extern int ipnat_addrule(int, ioctlfunc_t, void *);
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extern int ipnat_parsefile(int, addfunc_t, ioctlfunc_t, char *);
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extern int ipnat_parsesome(int, addfunc_t, ioctlfunc_t, FILE *);
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extern int ippool_parsefile(int, char *, ioctlfunc_t);
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extern int ippool_parsesome(int, FILE *, ioctlfunc_t);
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extern int kmemcpywrap(void *, void *, size_t);
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extern char *kvatoname(ipfunc_t, ioctlfunc_t);
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extern int load_dstlist(struct ippool_dst *, ioctlfunc_t,
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ipf_dstnode_t *);
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extern int load_dstlistnode(int, char *, struct ipf_dstnode *,
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ioctlfunc_t);
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extern alist_t *load_file(char *);
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extern int load_hash(struct iphtable_s *, struct iphtent_s *,
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ioctlfunc_t);
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extern int load_hashnode(int, char *, struct iphtent_s *, int,
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ioctlfunc_t);
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extern alist_t *load_http(char *);
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extern int load_pool(struct ip_pool_s *list, ioctlfunc_t);
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extern int load_poolnode(int, char *, ip_pool_node_t *, int, ioctlfunc_t);
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extern alist_t *load_url(char *);
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extern alist_t *make_range(int, struct in_addr, struct in_addr);
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extern void mb_hexdump(mb_t *, FILE *);
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extern ipfunc_t nametokva(char *, ioctlfunc_t);
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extern void nat_setgroupmap(struct ipnat *);
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extern int ntomask(int, int, u_32_t *);
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extern u_32_t optname(char ***, u_short *, int);
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extern wordtab_t *parsefields(wordtab_t *, char *);
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extern int *parseipfexpr(char *, char **);
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extern int parsewhoisline(char *, addrfamily_t *, addrfamily_t *);
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extern void pool_close(void);
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extern int pool_fd(void);
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extern int pool_ioctl(ioctlfunc_t, ioctlcmd_t, void *);
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extern int pool_open(void);
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extern char *portname(int, int);
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extern int pri_findname(char *);
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extern char *pri_toname(int);
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extern void print_toif(int, char *, char *, struct frdest *);
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extern void printaps(ap_session_t *, int, int);
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extern void printaddr(int, int, char *, int, u_32_t *, u_32_t *);
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extern void printbuf(char *, int, int);
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extern void printfieldhdr(wordtab_t *, wordtab_t *);
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extern void printfr(struct frentry *, ioctlfunc_t);
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extern struct iphtable_s *printhash(struct iphtable_s *, copyfunc_t,
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char *, int, wordtab_t *);
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extern struct iphtable_s *printhash_live(iphtable_t *, int, char *,
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int, wordtab_t *);
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extern ippool_dst_t *printdstl_live(ippool_dst_t *, int, char *,
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int, wordtab_t *);
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extern void printhashdata(iphtable_t *, int);
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extern struct iphtent_s *printhashnode(struct iphtable_s *,
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struct iphtent_s *,
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copyfunc_t, int, wordtab_t *);
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extern void printhost(int, u_32_t *);
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extern void printhostmask(int, u_32_t *, u_32_t *);
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extern void printip(int, u_32_t *);
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extern void printlog(struct frentry *);
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extern void printlookup(char *, i6addr_t *addr, i6addr_t *mask);
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extern void printmask(int, u_32_t *);
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extern void printnataddr(int, char *, nat_addr_t *, int);
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extern void printnatfield(nat_t *, int);
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extern void printnatside(char *, nat_stat_side_t *);
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extern void printpacket(int, mb_t *);
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extern void printpacket6(int, mb_t *);
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extern struct ippool_dst *printdstlist(struct ippool_dst *, copyfunc_t,
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char *, int, ipf_dstnode_t *,
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wordtab_t *);
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extern void printdstlistdata(ippool_dst_t *, int);
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extern ipf_dstnode_t *printdstlistnode(ipf_dstnode_t *, copyfunc_t,
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int, wordtab_t *);
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extern void printdstlistpolicy(ippool_policy_t);
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extern struct ip_pool_s *printpool(struct ip_pool_s *, copyfunc_t,
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char *, int, wordtab_t *);
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extern struct ip_pool_s *printpool_live(struct ip_pool_s *, int,
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char *, int, wordtab_t *);
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extern void printpooldata(ip_pool_t *, int);
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extern void printpoolfield(void *, int, int);
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extern struct ip_pool_node *printpoolnode(struct ip_pool_node *,
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int, wordtab_t *);
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extern void printproto(struct protoent *, int, struct ipnat *);
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extern void printportcmp(int, struct frpcmp *);
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extern void printstatefield(ipstate_t *, int);
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extern void printtqtable(ipftq_t *);
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extern void printtunable(ipftune_t *);
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extern void printunit(int);
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extern void optprint(u_short *, u_long, u_long);
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#ifdef USE_INET6
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extern void optprintv6(u_short *, u_long, u_long);
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#endif
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extern int remove_hash(struct iphtable_s *, ioctlfunc_t);
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extern int remove_hashnode(int, char *, struct iphtent_s *, ioctlfunc_t);
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extern int remove_pool(ip_pool_t *, ioctlfunc_t);
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extern int remove_poolnode(int, char *, ip_pool_node_t *, ioctlfunc_t);
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extern u_char tcpflags(char *);
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extern void printc(struct frentry *);
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extern void printC(int);
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extern void emit(int, int, void *, struct frentry *);
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extern u_char secbit(int);
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extern u_char seclevel(char *);
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extern void printfraginfo(char *, struct ipfr *);
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extern void printifname(char *, char *, void *);
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extern char *hostname(int, void *);
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extern struct ipstate *printstate(struct ipstate *, int, u_long);
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extern void printsbuf(char *);
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extern void printnat(struct ipnat *, int);
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extern void printactiveaddress(int, char *, i6addr_t *, char *);
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extern void printactivenat(struct nat *, int, u_long);
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extern void printhostmap(struct hostmap *, u_int);
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extern void printtcpflags(u_32_t, u_32_t);
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extern void printipfexpr(int *);
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extern void printstatefield(ipstate_t *, int);
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extern void printstatefieldhdr(int);
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extern int sendtrap_v1_0(int, char *, char *, int, time_t);
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extern int sendtrap_v2_0(int, char *, char *, int);
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extern int vtof(int);
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extern void set_variable(char *, char *);
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extern char *get_variable(char *, char **, int);
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extern void resetlexer(void);
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extern void debug(int, char *, ...);
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extern void verbose(int, char *, ...);
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extern void ipfkdebug(char *, ...);
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extern void ipfkverbose(char *, ...);
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#if SOLARIS
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extern int gethostname(char *, int );
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extern void sync(void);
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#endif
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#endif /* __IPF_H__ */
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