/* $NetBSD: ipf.h,v 1.3 2012/10/21 22:57:48 christos Exp $ */ /* * Copyright (C) 2012 by Darren Reed. * * See the IPFILTER.LICENCE file for details on licencing. * * @(#)ipf.h 1.12 6/5/96 * Id: ipf.h,v 1.1.1.2 2012/07/22 13:44:25 darrenr Exp $ */ #ifndef __IPF_H__ #define __IPF_H__ #if defined(__osf__) # define radix_mask ipf_radix_mask # define radix_node ipf_radix_node # define radix_node_head ipf_radix_node_head #endif #include #include #include /* * This is a workaround for troubles on FreeBSD, HPUX, OpenBSD. * Needed here because on some systems gets included by things * like */ #ifndef _KERNEL # define ADD_KERNEL # define _KERNEL # define KERNEL #endif #ifdef __OpenBSD__ struct file; #endif #include #ifdef ADD_KERNEL # undef _KERNEL # undef KERNEL #endif #include #include #include #if __FreeBSD_version >= 300000 # include #endif #include #include #include #include #ifndef TCP_PAWS_IDLE /* IRIX */ # include #endif #include #include #include #include #include #include #include #include #if !defined(__SVR4) && !defined(__svr4__) && defined(sun) # include #endif #include #include #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(__OpenBSD__) || \ (_BSDI_VERSION >= 199701) || (__FreeBSD_version >= 300000) || \ SOLARIS || defined(__sgi) || defined(__osf__) || defined(linux) # include 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)); /* * SunOS4 */ #if defined(sun) && !defined(__SVR4) && !defined(__svr4__) extern int ioctl __P((int, int, void *)); #endif extern char thishost[]; 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, const 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__ */