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freebsd-skq/contrib/ipfilter/ipf.h
kevans aeb5d15f58 ipfilter: remove duplicate definition of 'thishost' 
thishost is already defined in lib/initparse.c; no need for this one. This
fixes the ipfilter build with -fno-common.

-fno-common will become the default in GCC10/LLVM11.

MFC after:	3 days
2020-03-29 02:26:58 +00:00

386 lines
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/* $FreeBSD$ */
/*
* Copyright (C) 2012 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* @(#)ipf.h 1.12 6/5/96
* $Id$
*/
#ifndef __IPF_H__
#define __IPF_H__
#include <sys/param.h>
#include <sys/types.h>
#include <sys/file.h>
/*
* This is a workaround for <sys/uio.h> troubles on FreeBSD, HPUX, OpenBSD.
* Needed here because on some systems <sys/uio.h> gets included by things
* like <sys/socket.h>
*/
#ifndef _KERNEL
# define ADD_KERNEL
# define _KERNEL
# define KERNEL
#endif
#include <sys/uio.h>
#ifdef ADD_KERNEL
# undef _KERNEL
# undef KERNEL
#endif
#include <sys/time.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
# include <netinet/tcp.h>
#include <netinet/udp.h>
#include <arpa/inet.h>
#include <errno.h>
#include <limits.h>
#include <netdb.h>
#include <stdlib.h>
#include <stddef.h>
#include <stdio.h>
#if !defined(__SVR4) && !defined(__svr4__) && defined(sun)
# include <strings.h>
#endif
#include <string.h>
#include <unistd.h>
#include "netinet/ip_compat.h"
#include "netinet/ip_fil.h"
#include "netinet/ip_nat.h"
#include "netinet/ip_frag.h"
#include "netinet/ip_state.h"
#include "netinet/ip_proxy.h"
#include "netinet/ip_auth.h"
#include "netinet/ip_lookup.h"
#include "netinet/ip_pool.h"
#include "netinet/ip_scan.h"
#include "netinet/ip_htable.h"
#include "netinet/ip_sync.h"
#include "netinet/ip_dstlist.h"
#include "opts.h"
#ifndef __P
# ifdef __STDC__
# define __P(x) x
# else
# define __P(x) ()
# endif
#endif
#ifndef __STDC__
# undef const
# define const
#endif
#ifndef U_32_T
# define U_32_T 1
# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
defined(__sgi)
typedef u_int32_t u_32_t;
# else
# if defined(__alpha__) || defined(__alpha) || defined(_LP64)
typedef unsigned int u_32_t;
# else
# if SOLARIS2 >= 6
typedef uint32_t u_32_t;
# else
typedef unsigned int u_32_t;
# endif
# endif
# endif /* __NetBSD__ || __OpenBSD__ || __FreeBSD__ || __sgi */
#endif /* U_32_T */
#ifndef MAXHOSTNAMELEN
# define MAXHOSTNAMELEN 256
#endif
#define MAX_ICMPCODE 16
#define MAX_ICMPTYPE 19
#define PRINTF (void)printf
#define FPRINTF (void)fprintf
struct ipopt_names {
int on_value;
int on_bit;
int on_siz;
char *on_name;
};
typedef struct alist_s {
struct alist_s *al_next;
int al_not;
int al_family;
i6addr_t al_i6addr;
i6addr_t al_i6mask;
} alist_t;
#define al_addr al_i6addr.in4_addr
#define al_mask al_i6mask.in4_addr
#define al_1 al_addr
#define al_2 al_mask
typedef struct plist_s {
struct plist_s *pl_next;
int pl_compare;
u_short pl_port1;
u_short pl_port2;
} plist_t;
typedef struct {
u_short fb_c;
u_char fb_t;
u_char fb_f;
u_32_t fb_k;
} fakebpf_t;
typedef struct {
char *it_name;
int it_v4;
int it_v6;
} icmptype_t;
typedef struct wordtab {
char *w_word;
int w_value;
} wordtab_t;
typedef struct namelist {
struct namelist *na_next;
char *na_name;
int na_value;
} namelist_t;
typedef struct proxyrule {
struct proxyrule *pr_next;
char *pr_proxy;
char *pr_conf;
namelist_t *pr_names;
int pr_proto;
} proxyrule_t;
#if defined(__NetBSD__) || defined(__FreeBSD_version) || \
SOLARIS
# include <stdarg.h>
typedef int (* ioctlfunc_t) __P((int, ioctlcmd_t, ...));
#else
typedef int (* ioctlfunc_t) __P((dev_t, ioctlcmd_t, void *));
#endif
typedef int (* addfunc_t) __P((int, ioctlfunc_t, void *));
typedef int (* copyfunc_t) __P((void *, void *, size_t));
extern char thishost[MAXHOSTNAMELEN];
extern char flagset[];
extern u_char flags[];
extern struct ipopt_names ionames[];
extern struct ipopt_names secclass[];
extern char *icmpcodes[MAX_ICMPCODE + 1];
extern char *icmptypes[MAX_ICMPTYPE + 1];
extern int use_inet6;
extern int lineNum;
extern int debuglevel;
extern struct ipopt_names v6ionames[];
extern icmptype_t icmptypelist[];
extern wordtab_t statefields[];
extern wordtab_t natfields[];
extern wordtab_t poolfields[];
extern int addicmp __P((char ***, struct frentry *, int));
extern int addipopt __P((char *, struct ipopt_names *, int, char *));
extern int addkeep __P((char ***, struct frentry *, int));
extern alist_t *alist_new __P((int, char *));
extern void alist_free __P((alist_t *));
extern void assigndefined __P((char *));
extern void binprint __P((void *, size_t));
extern u_32_t buildopts __P((char *, char *, int));
extern int checkrev __P((char *));
extern int connecttcp __P((char *, int));
extern int count6bits __P((u_32_t *));
extern int count4bits __P((u_32_t));
extern char *fac_toname __P((int));
extern int fac_findname __P((char *));
extern const char *familyname __P((const int));
extern void fill6bits __P((int, u_int *));
extern wordtab_t *findword __P((wordtab_t *, char *));
extern int ftov __P((int));
extern char *ipf_geterror __P((int, ioctlfunc_t *));
extern int genmask __P((int, char *, i6addr_t *));
extern int gethost __P((int, char *, i6addr_t *));
extern int geticmptype __P((int, char *));
extern int getport __P((struct frentry *, char *, u_short *, char *));
extern int getportproto __P((char *, int));
extern int getproto __P((char *));
extern char *getnattype __P((struct nat *));
extern char *getsumd __P((u_32_t));
extern u_32_t getoptbyname __P((char *));
extern u_32_t getoptbyvalue __P((int));
extern u_32_t getv6optbyname __P((char *));
extern u_32_t getv6optbyvalue __P((int));
extern char *icmptypename __P((int, int));
extern void initparse __P((void));
extern void ipf_dotuning __P((int, char *, ioctlfunc_t));
extern int ipf_addrule __P((int, ioctlfunc_t, void *));
extern void ipf_mutex_clean __P((void));
extern int ipf_parsefile __P((int, addfunc_t, ioctlfunc_t *, char *));
extern int ipf_parsesome __P((int, addfunc_t, ioctlfunc_t *, FILE *));
extern void ipf_perror __P((int, char *));
extern int ipf_perror_fd __P(( int, ioctlfunc_t, char *));
extern void ipf_rwlock_clean __P((void));
extern char *ipf_strerror __P((int));
extern void ipferror __P((int, char *));
extern int ipmon_parsefile __P((char *));
extern int ipmon_parsesome __P((FILE *));
extern int ipnat_addrule __P((int, ioctlfunc_t, void *));
extern int ipnat_parsefile __P((int, addfunc_t, ioctlfunc_t, char *));
extern int ipnat_parsesome __P((int, addfunc_t, ioctlfunc_t, FILE *));
extern int ippool_parsefile __P((int, char *, ioctlfunc_t));
extern int ippool_parsesome __P((int, FILE *, ioctlfunc_t));
extern int kmemcpywrap __P((void *, void *, size_t));
extern char *kvatoname __P((ipfunc_t, ioctlfunc_t));
extern int load_dstlist __P((struct ippool_dst *, ioctlfunc_t,
ipf_dstnode_t *));
extern int load_dstlistnode __P((int, char *, struct ipf_dstnode *,
ioctlfunc_t));
extern alist_t *load_file __P((char *));
extern int load_hash __P((struct iphtable_s *, struct iphtent_s *,
ioctlfunc_t));
extern int load_hashnode __P((int, char *, struct iphtent_s *, int,
ioctlfunc_t));
extern alist_t *load_http __P((char *));
extern int load_pool __P((struct ip_pool_s *list, ioctlfunc_t));
extern int load_poolnode __P((int, char *, ip_pool_node_t *, int, ioctlfunc_t));
extern alist_t *load_url __P((char *));
extern alist_t *make_range __P((int, struct in_addr, struct in_addr));
extern void mb_hexdump __P((mb_t *, FILE *));
extern ipfunc_t nametokva __P((char *, ioctlfunc_t));
extern void nat_setgroupmap __P((struct ipnat *));
extern int ntomask __P((int, int, u_32_t *));
extern u_32_t optname __P((char ***, u_short *, int));
extern wordtab_t *parsefields __P((wordtab_t *, char *));
extern int *parseipfexpr __P((char *, char **));
extern int parsewhoisline __P((char *, addrfamily_t *, addrfamily_t *));
extern void pool_close __P((void));
extern int pool_fd __P((void));
extern int pool_ioctl __P((ioctlfunc_t, ioctlcmd_t, void *));
extern int pool_open __P((void));
extern char *portname __P((int, int));
extern int pri_findname __P((char *));
extern char *pri_toname __P((int));
extern void print_toif __P((int, char *, char *, struct frdest *));
extern void printaps __P((ap_session_t *, int, int));
extern void printaddr __P((int, int, char *, int, u_32_t *, u_32_t *));
extern void printbuf __P((char *, int, int));
extern void printfieldhdr __P((wordtab_t *, wordtab_t *));
extern void printfr __P((struct frentry *, ioctlfunc_t));
extern struct iphtable_s *printhash __P((struct iphtable_s *, copyfunc_t,
char *, int, wordtab_t *));
extern struct iphtable_s *printhash_live __P((iphtable_t *, int, char *,
int, wordtab_t *));
extern ippool_dst_t *printdstl_live __P((ippool_dst_t *, int, char *,
int, wordtab_t *));
extern void printhashdata __P((iphtable_t *, int));
extern struct iphtent_s *printhashnode __P((struct iphtable_s *,
struct iphtent_s *,
copyfunc_t, int, wordtab_t *));
extern void printhost __P((int, u_32_t *));
extern void printhostmask __P((int, u_32_t *, u_32_t *));
extern void printip __P((int, u_32_t *));
extern void printlog __P((struct frentry *));
extern void printlookup __P((char *, i6addr_t *addr, i6addr_t *mask));
extern void printmask __P((int, u_32_t *));
extern void printnataddr __P((int, char *, nat_addr_t *, int));
extern void printnatfield __P((nat_t *, int));
extern void printnatside __P((char *, nat_stat_side_t *));
extern void printpacket __P((int, mb_t *));
extern void printpacket6 __P((int, mb_t *));
extern struct ippool_dst *printdstlist __P((struct ippool_dst *, copyfunc_t,
char *, int, ipf_dstnode_t *,
wordtab_t *));
extern void printdstlistdata __P((ippool_dst_t *, int));
extern ipf_dstnode_t *printdstlistnode __P((ipf_dstnode_t *, copyfunc_t,
int, wordtab_t *));
extern void printdstlistpolicy __P((ippool_policy_t));
extern struct ip_pool_s *printpool __P((struct ip_pool_s *, copyfunc_t,
char *, int, wordtab_t *));
extern struct ip_pool_s *printpool_live __P((struct ip_pool_s *, int,
char *, int, wordtab_t *));
extern void printpooldata __P((ip_pool_t *, int));
extern void printpoolfield __P((void *, int, int));
extern struct ip_pool_node *printpoolnode __P((struct ip_pool_node *,
int, wordtab_t *));
extern void printproto __P((struct protoent *, int, struct ipnat *));
extern void printportcmp __P((int, struct frpcmp *));
extern void printstatefield __P((ipstate_t *, int));
extern void printtqtable __P((ipftq_t *));
extern void printtunable __P((ipftune_t *));
extern void printunit __P((int));
extern void optprint __P((u_short *, u_long, u_long));
#ifdef USE_INET6
extern void optprintv6 __P((u_short *, u_long, u_long));
#endif
extern int remove_hash __P((struct iphtable_s *, ioctlfunc_t));
extern int remove_hashnode __P((int, char *, struct iphtent_s *, ioctlfunc_t));
extern int remove_pool __P((ip_pool_t *, ioctlfunc_t));
extern int remove_poolnode __P((int, char *, ip_pool_node_t *, ioctlfunc_t));
extern u_char tcpflags __P((char *));
extern void printc __P((struct frentry *));
extern void printC __P((int));
extern void emit __P((int, int, void *, struct frentry *));
extern u_char secbit __P((int));
extern u_char seclevel __P((char *));
extern void printfraginfo __P((char *, struct ipfr *));
extern void printifname __P((char *, char *, void *));
extern char *hostname __P((int, void *));
extern struct ipstate *printstate __P((struct ipstate *, int, u_long));
extern void printsbuf __P((char *));
extern void printnat __P((struct ipnat *, int));
extern void printactiveaddress __P((int, char *, i6addr_t *, char *));
extern void printactivenat __P((struct nat *, int, u_long));
extern void printhostmap __P((struct hostmap *, u_int));
extern void printtcpflags __P((u_32_t, u_32_t));
extern void printipfexpr __P((int *));
extern void printstatefield __P((ipstate_t *, int));
extern void printstatefieldhdr __P((int));
extern int sendtrap_v1_0 __P((int, char *, char *, int, time_t));
extern int sendtrap_v2_0 __P((int, char *, char *, int));
extern int vtof __P((int));
extern void set_variable __P((char *, char *));
extern char *get_variable __P((char *, char **, int));
extern void resetlexer __P((void));
extern void debug __P((int, char *, ...));
extern void verbose __P((int, char *, ...));
extern void ipfkdebug __P((char *, ...));
extern void ipfkverbose __P((char *, ...));
#if SOLARIS
extern int gethostname __P((char *, int ));
extern void sync __P((void));
#endif
#endif /* __IPF_H__ */
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