ip_fil.h revision 145522
1145522Sdarrenr/* $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_fil.h 145522 2005-04-25 18:43:14Z darrenr $ */ 2145522Sdarrenr 353642Sguido/* 4145522Sdarrenr * Copyright (C) 1993-2001, 2003 by Darren Reed. 553642Sguido * 680482Sdarrenr * See the IPFILTER.LICENCE file for details on licencing. 753642Sguido * 853642Sguido * @(#)ip_fil.h 1.35 6/5/96 957126Sguido * $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_fil.h 145522 2005-04-25 18:43:14Z darrenr $ 10145522Sdarrenr * Id: ip_fil.h,v 2.170.2.18 2005/03/28 10:47:52 darrenr Exp 1153642Sguido */ 1253642Sguido 1353642Sguido#ifndef __IP_FIL_H__ 1453642Sguido#define __IP_FIL_H__ 1553642Sguido 1653642Sguido#ifndef SOLARIS 1753642Sguido# define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4))) 1853642Sguido#endif 1953642Sguido 2053642Sguido#ifndef __P 2153642Sguido# ifdef __STDC__ 2253642Sguido# define __P(x) x 2353642Sguido# else 2453642Sguido# define __P(x) () 2553642Sguido# endif 2653642Sguido#endif 2753642Sguido 2853642Sguido#if defined(__STDC__) || defined(__GNUC__) 29145522Sdarrenr# define SIOCADAFR _IOW('r', 60, struct ipfobj) 30145522Sdarrenr# define SIOCRMAFR _IOW('r', 61, struct ipfobj) 3153642Sguido# define SIOCSETFF _IOW('r', 62, u_int) 3253642Sguido# define SIOCGETFF _IOR('r', 63, u_int) 33145522Sdarrenr# define SIOCGETFS _IOWR('r', 64, struct ipfobj) 3453642Sguido# define SIOCIPFFL _IOWR('r', 65, int) 3553642Sguido# define SIOCIPFFB _IOR('r', 66, int) 36145522Sdarrenr# define SIOCADIFR _IOW('r', 67, struct ipfobj) 37145522Sdarrenr# define SIOCRMIFR _IOW('r', 68, struct ipfobj) 3853642Sguido# define SIOCSWAPA _IOR('r', 69, u_int) 39145522Sdarrenr# define SIOCINAFR _IOW('r', 70, struct ipfobj) 40145522Sdarrenr# define SIOCINIFR _IOW('r', 71, struct ipfobj) 4153642Sguido# define SIOCFRENB _IOW('r', 72, u_int) 4253642Sguido# define SIOCFRSYN _IOW('r', 73, u_int) 43145522Sdarrenr# define SIOCFRZST _IOWR('r', 74, struct ipfobj) 44145522Sdarrenr# define SIOCZRLST _IOWR('r', 75, struct ipfobj) 45145522Sdarrenr# define SIOCAUTHW _IOWR('r', 76, struct ipfobj) 46145522Sdarrenr# define SIOCAUTHR _IOWR('r', 77, struct ipfobj) 47145522Sdarrenr# define SIOCATHST _IOWR('r', 78, struct ipfobj) 4860851Sdarrenr# define SIOCSTLCK _IOWR('r', 79, u_int) 49145522Sdarrenr# define SIOCSTPUT _IOWR('r', 80, struct ipfobj) 50145522Sdarrenr# define SIOCSTGET _IOWR('r', 81, struct ipfobj) 51145522Sdarrenr# define SIOCSTGSZ _IOWR('r', 82, struct ipfobj) 52145522Sdarrenr# define SIOCGFRST _IOWR('r', 83, struct ipfobj) 53145522Sdarrenr# define SIOCSETLG _IOWR('r', 84, int) 54145522Sdarrenr# define SIOCGETLG _IOWR('r', 85, int) 55145522Sdarrenr# define SIOCFUNCL _IOWR('r', 86, struct ipfunc_resolve) 56145522Sdarrenr# define SIOCIPFGETNEXT _IOWR('r', 87, struct ipfobj) 57145522Sdarrenr# define SIOCIPFGET _IOWR('r', 88, struct ipfobj) 58145522Sdarrenr# define SIOCIPFSET _IOWR('r', 89, struct ipfobj) 59145522Sdarrenr# define SIOCIPFL6 _IOWR('r', 90, int) 6053642Sguido#else 61145522Sdarrenr# define SIOCADAFR _IOW(r, 60, struct ipfobj) 62145522Sdarrenr# define SIOCRMAFR _IOW(r, 61, struct ipfobj) 6353642Sguido# define SIOCSETFF _IOW(r, 62, u_int) 6453642Sguido# define SIOCGETFF _IOR(r, 63, u_int) 65145522Sdarrenr# define SIOCGETFS _IOWR(r, 64, struct ipfobj) 6653642Sguido# define SIOCIPFFL _IOWR(r, 65, int) 6753642Sguido# define SIOCIPFFB _IOR(r, 66, int) 68145522Sdarrenr# define SIOCADIFR _IOW(r, 67, struct ipfobj) 69145522Sdarrenr# define SIOCRMIFR _IOW(r, 68, struct ipfobj) 7053642Sguido# define SIOCSWAPA _IOR(r, 69, u_int) 71145522Sdarrenr# define SIOCINAFR _IOW(r, 70, struct ipfobj) 72145522Sdarrenr# define SIOCINIFR _IOW(r, 71, struct ipfobj) 7353642Sguido# define SIOCFRENB _IOW(r, 72, u_int) 7453642Sguido# define SIOCFRSYN _IOW(r, 73, u_int) 75145522Sdarrenr# define SIOCFRZST _IOWR(r, 74, struct ipfobj) 76145522Sdarrenr# define SIOCZRLST _IOWR(r, 75, struct ipfobj) 77145522Sdarrenr# define SIOCAUTHW _IOWR(r, 76, struct ipfobj) 78145522Sdarrenr# define SIOCAUTHR _IOWR(r, 77, struct ipfobj) 79145522Sdarrenr# define SIOCATHST _IOWR(r, 78, struct ipfobj) 8060851Sdarrenr# define SIOCSTLCK _IOWR(r, 79, u_int) 81145522Sdarrenr# define SIOCSTPUT _IOWR(r, 80, struct ipfobj) 82145522Sdarrenr# define SIOCSTGET _IOWR(r, 81, struct ipfobj) 83145522Sdarrenr# define SIOCSTGSZ _IOWR(r, 82, struct ipfobj) 84145522Sdarrenr# define SIOCGFRST _IOWR(r, 83, struct ipfobj) 85145522Sdarrenr# define SIOCSETLG _IOWR(r, 84, int) 86145522Sdarrenr# define SIOCGETLG _IOWR(r, 85, int) 87145522Sdarrenr# define SIOCFUNCL _IOWR(r, 86, struct ipfunc_resolve) 88145522Sdarrenr# define SIOCIPFGETNEXT _IOWR(r, 87, struct ipfobj) 89145522Sdarrenr# define SIOCIPFGET _IOWR(r, 88, struct ipfobj) 90145522Sdarrenr# define SIOCIPFSET _IOWR(r, 89, struct ipfobj) 91145522Sdarrenr# define SIOCIPFL6 _IOWR(r, 90, int) 9253642Sguido#endif 9353642Sguido#define SIOCADDFR SIOCADAFR 9453642Sguido#define SIOCDELFR SIOCRMAFR 9553642Sguido#define SIOCINSFR SIOCINAFR 9653642Sguido 9760851Sdarrenr 98145522Sdarrenrstruct ipscan; 99145522Sdarrenrstruct ifnet; 100145522Sdarrenr 101145522Sdarrenr 102145522Sdarrenrtypedef int (* lookupfunc_t) __P((void *, int, void *)); 103145522Sdarrenr 104145522Sdarrenr/* 105145522Sdarrenr * i6addr is used as a container for both IPv4 and IPv6 addresses, as well 106145522Sdarrenr * as other types of objects, depending on its qualifier. 107145522Sdarrenr */ 108145522Sdarrenr#ifdef USE_INET6 109145522Sdarrenrtypedef union i6addr { 110145522Sdarrenr u_32_t i6[4]; 111145522Sdarrenr struct in_addr in4; 112145522Sdarrenr struct in6_addr in6; 113145522Sdarrenr void *vptr[2]; 114145522Sdarrenr lookupfunc_t lptr[2]; 115145522Sdarrenr} i6addr_t; 116145522Sdarrenr#else 117145522Sdarrenrtypedef union i6addr { 118145522Sdarrenr u_32_t i6[4]; 119145522Sdarrenr struct in_addr in4; 120145522Sdarrenr void *vptr[2]; 121145522Sdarrenr lookupfunc_t lptr[2]; 122145522Sdarrenr} i6addr_t; 123145522Sdarrenr#endif 124145522Sdarrenr 125145522Sdarrenr#define in4_addr in4.s_addr 126145522Sdarrenr#define iplookupnum i6[0] 127145522Sdarrenr#define iplookuptype i6[1] 128145522Sdarrenr/* 129145522Sdarrenr * NOTE: These DO overlap the above on 64bit systems and this IS recognised. 130145522Sdarrenr */ 131145522Sdarrenr#define iplookupptr vptr[0] 132145522Sdarrenr#define iplookupfunc lptr[1] 133145522Sdarrenr 134145522Sdarrenr#define I60(x) (((i6addr_t *)(x))->i6[0]) 135145522Sdarrenr#define I61(x) (((i6addr_t *)(x))->i6[1]) 136145522Sdarrenr#define I62(x) (((i6addr_t *)(x))->i6[2]) 137145522Sdarrenr#define I63(x) (((i6addr_t *)(x))->i6[3]) 138145522Sdarrenr#define HI60(x) ntohl(((i6addr_t *)(x))->i6[0]) 139145522Sdarrenr#define HI61(x) ntohl(((i6addr_t *)(x))->i6[1]) 140145522Sdarrenr#define HI62(x) ntohl(((i6addr_t *)(x))->i6[2]) 141145522Sdarrenr#define HI63(x) ntohl(((i6addr_t *)(x))->i6[3]) 142145522Sdarrenr 143145522Sdarrenr#define IP6_EQ(a,b) ((I63(a) == I63(b)) && (I62(a) == I62(b)) && \ 144145522Sdarrenr (I61(a) == I61(b)) && (I60(a) == I60(b))) 145145522Sdarrenr#define IP6_NEQ(a,b) ((I63(a) != I63(b)) || (I62(a) != I62(b)) || \ 146145522Sdarrenr (I61(a) != I61(b)) || (I60(a) != I60(b))) 147145522Sdarrenr#define IP6_ISZERO(a) ((I60(a) | I61(a) | I62(a) | I63(a)) == 0) 148145522Sdarrenr#define IP6_NOTZERO(a) ((I60(a) | I61(a) | I62(a) | I63(a)) != 0) 149145522Sdarrenr#define IP6_GT(a,b) (HI60(a) > HI60(b) || (HI60(a) == HI60(b) && \ 150145522Sdarrenr (HI61(a) > HI61(b) || (HI61(a) == HI61(b) && \ 151145522Sdarrenr (HI62(a) > HI62(b) || (HI62(a) == HI62(b) && \ 152145522Sdarrenr HI63(a) > HI63(b))))))) 153145522Sdarrenr#define IP6_LT(a,b) (HI60(a) < HI60(b) || (HI60(a) == HI60(b) && \ 154145522Sdarrenr (HI61(a) < HI61(b) || (HI61(a) == HI61(b) && \ 155145522Sdarrenr (HI62(a) < HI62(b) || (HI62(a) == HI62(b) && \ 156145522Sdarrenr HI63(a) < HI63(b))))))) 157145522Sdarrenr#define NLADD(n,x) htonl(ntohl(n) + (x)) 158145522Sdarrenr#define IP6_INC(a) \ 159145522Sdarrenr { i6addr_t *_i6 = (i6addr_t *)(a); \ 160145522Sdarrenr _i6->i6[0] = NLADD(_i6->i6[0], 1); \ 161145522Sdarrenr if (_i6->i6[0] == 0) { \ 162145522Sdarrenr _i6->i6[0] = NLADD(_i6->i6[1], 1); \ 163145522Sdarrenr if (_i6->i6[1] == 0) { \ 164145522Sdarrenr _i6->i6[0] = NLADD(_i6->i6[2], 1); \ 165145522Sdarrenr if (_i6->i6[2] == 0) { \ 166145522Sdarrenr _i6->i6[0] = NLADD(_i6->i6[3], 1); \ 167145522Sdarrenr } \ 168145522Sdarrenr } \ 169145522Sdarrenr } \ 170145522Sdarrenr } 171145522Sdarrenr#define IP6_ADD(a,x,d) \ 172145522Sdarrenr { i6addr_t *_s = (i6addr_t *)(a); \ 173145522Sdarrenr i6addr_t *_d = (i6addr_t *)(d); \ 174145522Sdarrenr _d->i6[0] = NLADD(_s->i6[0], x); \ 175145522Sdarrenr if (ntohl(_d->i6[0]) < ntohl(_s->i6[0])) { \ 176145522Sdarrenr _d->i6[1] = NLADD(_d->i6[1], 1); \ 177145522Sdarrenr if (ntohl(_d->i6[1]) < ntohl(_s->i6[1])) { \ 178145522Sdarrenr _d->i6[2] = NLADD(_d->i6[2], 1); \ 179145522Sdarrenr if (ntohl(_d->i6[2]) < ntohl(_s->i6[2])) { \ 180145522Sdarrenr _d->i6[3] = NLADD(_d->i6[3], 1); \ 181145522Sdarrenr } \ 182145522Sdarrenr } \ 183145522Sdarrenr } \ 184145522Sdarrenr } 185145522Sdarrenr#define IP6_AND(a,b,d) { i6addr_t *_s1 = (i6addr_t *)(a); \ 186145522Sdarrenr i6addr_t *_s2 = (i6addr_t *)(d); \ 187145522Sdarrenr i6addr_t *_d = (i6addr_t *)(d); \ 188145522Sdarrenr _d->i6[0] = _s1->i6[0] & _s2->i6[0]; \ 189145522Sdarrenr _d->i6[1] = _s1->i6[1] & _s2->i6[1]; \ 190145522Sdarrenr _d->i6[2] = _s1->i6[2] & _s2->i6[2]; \ 191145522Sdarrenr _d->i6[3] = _s1->i6[3] & _s2->i6[3]; \ 192145522Sdarrenr } 193145522Sdarrenr#define IP6_MERGE(a,b,c) \ 194145522Sdarrenr { i6addr_t *_d, *_s1, *_s2; \ 195145522Sdarrenr _d = (i6addr_t *)(a); \ 196145522Sdarrenr _s1 = (i6addr_t *)(b); \ 197145522Sdarrenr _s2 = (i6addr_t *)(c); \ 198145522Sdarrenr _d->i6[0] |= _s1->i6[0] & ~_s2->i6[0]; \ 199145522Sdarrenr _d->i6[1] |= _s1->i6[1] & ~_s2->i6[1]; \ 200145522Sdarrenr _d->i6[2] |= _s1->i6[2] & ~_s2->i6[2]; \ 201145522Sdarrenr _d->i6[2] |= _s1->i6[3] & ~_s2->i6[3]; \ 202145522Sdarrenr } 203145522Sdarrenr 204145522Sdarrenr 20553642Sguidotypedef struct fr_ip { 20660851Sdarrenr u_32_t fi_v:4; /* IP version */ 207145522Sdarrenr u_32_t fi_xx:4; /* spare */ 20860851Sdarrenr u_32_t fi_tos:8; /* IP packet TOS */ 20960851Sdarrenr u_32_t fi_ttl:8; /* IP packet TTL */ 21060851Sdarrenr u_32_t fi_p:8; /* IP packet protocol */ 21153642Sguido u_32_t fi_optmsk; /* bitmask composed from IP options */ 212145522Sdarrenr i6addr_t fi_src; /* source address from packet */ 213145522Sdarrenr i6addr_t fi_dst; /* destination address from packet */ 21453642Sguido u_short fi_secmsk; /* bitmask composed from IP security options */ 21553642Sguido u_short fi_auth; /* authentication code from IP sec. options */ 216145522Sdarrenr u_32_t fi_flx; /* packet flags */ 217145522Sdarrenr u_32_t fi_tcpmsk; /* TCP options set/reset */ 218145522Sdarrenr u_32_t fi_res1; /* RESERVED */ 21953642Sguido} fr_ip_t; 22053642Sguido 221145522Sdarrenr/* 222145522Sdarrenr * For use in fi_flx 223145522Sdarrenr */ 224145522Sdarrenr#define FI_TCPUDP 0x0001 /* TCP/UCP implied comparison*/ 225145522Sdarrenr#define FI_OPTIONS 0x0002 226145522Sdarrenr#define FI_FRAG 0x0004 227145522Sdarrenr#define FI_SHORT 0x0008 228145522Sdarrenr#define FI_NATED 0x0010 229145522Sdarrenr#define FI_MULTICAST 0x0020 230145522Sdarrenr#define FI_BROADCAST 0x0040 231145522Sdarrenr#define FI_MBCAST 0x0080 232145522Sdarrenr#define FI_STATE 0x0100 233145522Sdarrenr#define FI_BADNAT 0x0200 234145522Sdarrenr#define FI_BAD 0x0400 235145522Sdarrenr#define FI_OOW 0x0800 /* Out of state window, else match */ 236145522Sdarrenr#define FI_ICMPERR 0x1000 237145522Sdarrenr#define FI_FRAGBODY 0x2000 238145522Sdarrenr#define FI_BADSRC 0x4000 239145522Sdarrenr#define FI_LOWTTL 0x8000 240145522Sdarrenr#define FI_CMP 0xcfe3 /* Not FI_FRAG,FI_NATED,FI_FRAGTAIL */ 241145522Sdarrenr#define FI_ICMPCMP 0x0003 /* Flags we can check for ICMP error packets */ 242145522Sdarrenr#define FI_WITH 0xeffe /* Not FI_TCPUDP */ 243145522Sdarrenr#define FI_V6EXTHDR 0x10000 244145522Sdarrenr#define FI_COALESCE 0x20000 245145522Sdarrenr#define FI_NOCKSUM 0x20000000 /* don't do a L4 checksum validation */ 246145522Sdarrenr#define FI_DONTCACHE 0x40000000 /* don't cache the result */ 247145522Sdarrenr#define FI_IGNORE 0x80000000 24853642Sguido 24960851Sdarrenr#define fi_saddr fi_src.in4.s_addr 25060851Sdarrenr#define fi_daddr fi_dst.in4.s_addr 251145522Sdarrenr#define fi_srcnum fi_src.iplookupnum 252145522Sdarrenr#define fi_dstnum fi_dst.iplookupnum 253145522Sdarrenr#define fi_srctype fi_src.iplookuptype 254145522Sdarrenr#define fi_dsttype fi_dst.iplookuptype 255145522Sdarrenr#define fi_srcptr fi_src.iplookupptr 256145522Sdarrenr#define fi_dstptr fi_dst.iplookupptr 257145522Sdarrenr#define fi_srcfunc fi_src.iplookupfunc 258145522Sdarrenr#define fi_dstfunc fi_dst.iplookupfunc 25960851Sdarrenr 26060851Sdarrenr 26153642Sguido/* 26253642Sguido * These are both used by the state and NAT code to indicate that one port or 26353642Sguido * the other should be treated as a wildcard. 264145522Sdarrenr * NOTE: When updating, check bit masks in ip_state.h and update there too. 26553642Sguido */ 266145522Sdarrenr#define SI_W_SPORT 0x00000100 267145522Sdarrenr#define SI_W_DPORT 0x00000200 268145522Sdarrenr#define SI_WILDP (SI_W_SPORT|SI_W_DPORT) 269145522Sdarrenr#define SI_W_SADDR 0x00000400 270145522Sdarrenr#define SI_W_DADDR 0x00000800 271145522Sdarrenr#define SI_WILDA (SI_W_SADDR|SI_W_DADDR) 272145522Sdarrenr#define SI_NEWFR 0x00001000 273145522Sdarrenr#define SI_CLONE 0x00002000 274145522Sdarrenr#define SI_CLONED 0x00004000 27553642Sguido 276145522Sdarrenr 27753642Sguidotypedef struct fr_info { 27853642Sguido void *fin_ifp; /* interface packet is `on' */ 279145522Sdarrenr fr_ip_t fin_fi; /* IP Packet summary */ 280145522Sdarrenr union { 281145522Sdarrenr u_short fid_16[2]; /* TCP/UDP ports, ICMP code/type */ 282145522Sdarrenr u_32_t fid_32; 283145522Sdarrenr } fin_dat; 284145522Sdarrenr int fin_out; /* in or out ? 1 == out, 0 == in */ 285145522Sdarrenr int fin_rev; /* state only: 1 = reverse */ 28695418Sdarrenr u_short fin_hlen; /* length of IP header in bytes */ 28753642Sguido u_char fin_tcpf; /* TCP header flags (SYN, ACK, etc) */ 288145522Sdarrenr u_char fin_icode; /* ICMP error to return */ 28992685Sdarrenr u_32_t fin_rule; /* rule # last matched */ 290145522Sdarrenr char fin_group[FR_GROUPLEN]; /* group number, -1 for none */ 29153642Sguido struct frentry *fin_fr; /* last matching rule */ 292145522Sdarrenr void *fin_dp; /* start of data past IP header */ 293145522Sdarrenr int fin_dlen; /* length of data portion of packet */ 294145522Sdarrenr int fin_plen; 295145522Sdarrenr int fin_ipoff; /* # bytes from buffer start to hdr */ 296145522Sdarrenr u_short fin_id; /* IP packet id field */ 29792685Sdarrenr u_short fin_off; 298145522Sdarrenr int fin_depth; /* Group nesting depth */ 299145522Sdarrenr int fin_error; /* Error code to return */ 300145522Sdarrenr void *fin_nat; 301145522Sdarrenr void *fin_state; 302145522Sdarrenr void *fin_nattag; 303145522Sdarrenr ip_t *fin_ip; 304130886Sdarrenr mb_t **fin_mp; /* pointer to pointer to mbuf */ 305145522Sdarrenr mb_t *fin_m; /* pointer to mbuf */ 306145522Sdarrenr#ifdef MENTAT 307145522Sdarrenr mb_t *fin_qfm; /* pointer to mblk where pkt starts */ 308145522Sdarrenr void *fin_qpi; 30953642Sguido#endif 310145522Sdarrenr#ifdef __sgi 311145522Sdarrenr void *fin_hbuf; 312145522Sdarrenr#endif 31353642Sguido} fr_info_t; 31453642Sguido 31580482Sdarrenr#define fin_v fin_fi.fi_v 31692685Sdarrenr#define fin_p fin_fi.fi_p 317145522Sdarrenr#define fin_flx fin_fi.fi_flx 318145522Sdarrenr#define fin_optmsk fin_fi.fi_optmsk 319145522Sdarrenr#define fin_secmsk fin_fi.fi_secmsk 320145522Sdarrenr#define fin_auth fin_fi.fi_auth 321145522Sdarrenr#define fin_src fin_fi.fi_src.in4 322145522Sdarrenr#define fin_src6 fin_fi.fi_src.in6 32380482Sdarrenr#define fin_saddr fin_fi.fi_saddr 324145522Sdarrenr#define fin_dst fin_fi.fi_dst.in4 325145522Sdarrenr#define fin_dst6 fin_fi.fi_dst.in6 32680482Sdarrenr#define fin_daddr fin_fi.fi_daddr 327145522Sdarrenr#define fin_data fin_dat.fid_16 328145522Sdarrenr#define fin_sport fin_dat.fid_16[0] 329145522Sdarrenr#define fin_dport fin_dat.fid_16[1] 330145522Sdarrenr#define fin_ports fin_dat.fid_32 33160851Sdarrenr 332145522Sdarrenr#define IPF_IN 0 333145522Sdarrenr#define IPF_OUT 1 334145522Sdarrenr 335145522Sdarrenrtypedef struct frentry *(*ipfunc_t) __P((fr_info_t *, u_32_t *)); 336145522Sdarrenrtypedef int (*ipfuncinit_t) __P((struct frentry *)); 337145522Sdarrenr 338145522Sdarrenrtypedef struct ipfunc_resolve { 339145522Sdarrenr char ipfu_name[32]; 340145522Sdarrenr ipfunc_t ipfu_addr; 341145522Sdarrenr ipfuncinit_t ipfu_init; 342145522Sdarrenr} ipfunc_resolve_t; 343145522Sdarrenr 34453642Sguido/* 34553642Sguido * Size for compares on fr_info structures 34653642Sguido */ 34753642Sguido#define FI_CSIZE offsetof(fr_info_t, fin_icode) 34892685Sdarrenr#define FI_LCSIZE offsetof(fr_info_t, fin_dp) 34953642Sguido 35053642Sguido/* 351145522Sdarrenr * Size for copying cache fr_info structure 35295418Sdarrenr */ 353145522Sdarrenr#define FI_COPYSIZE offsetof(fr_info_t, fin_dp) 35495418Sdarrenr 35595418Sdarrenr/* 356145522Sdarrenr * Structure for holding IPFilter's tag information 35753642Sguido */ 358145522Sdarrenr#define IPFTAG_LEN 16 359145522Sdarrenrtypedef struct { 360145522Sdarrenr union { 361145522Sdarrenr u_32_t iptu_num[4]; 362145522Sdarrenr char iptu_tag[IPFTAG_LEN]; 363145522Sdarrenr } ipt_un; 364145522Sdarrenr int ipt_not; 365145522Sdarrenr} ipftag_t; 36653642Sguido 367145522Sdarrenr#define ipt_tag ipt_un.iptu_tag 368145522Sdarrenr#define ipt_num ipt_un.iptu_num 369145522Sdarrenr 370145522Sdarrenr 371145522Sdarrenr/* 372145522Sdarrenr * This structure is used to hold information about the next hop for where 373145522Sdarrenr * to forward a packet. 374145522Sdarrenr */ 37553642Sguidotypedef struct frdest { 37653642Sguido void *fd_ifp; 377145522Sdarrenr i6addr_t fd_ip6; 37892685Sdarrenr char fd_ifname[LIFNAMSIZ]; 37953642Sguido} frdest_t; 38053642Sguido 38192685Sdarrenr#define fd_ip fd_ip6.in4 38292685Sdarrenr 38392685Sdarrenr 384145522Sdarrenr/* 385145522Sdarrenr * This structure holds information about a port comparison. 386145522Sdarrenr */ 38760851Sdarrenrtypedef struct frpcmp { 38860851Sdarrenr int frp_cmp; /* data for port comparisons */ 38960851Sdarrenr u_short frp_port; /* top port for <> and >< */ 39060851Sdarrenr u_short frp_top; /* top port for <> and >< */ 39160851Sdarrenr} frpcmp_t; 39260851Sdarrenr 393145522Sdarrenr#define FR_NONE 0 394145522Sdarrenr#define FR_EQUAL 1 395145522Sdarrenr#define FR_NEQUAL 2 396145522Sdarrenr#define FR_LESST 3 397145522Sdarrenr#define FR_GREATERT 4 398145522Sdarrenr#define FR_LESSTE 5 399145522Sdarrenr#define FR_GREATERTE 6 400145522Sdarrenr#define FR_OUTRANGE 7 401145522Sdarrenr#define FR_INRANGE 8 402145522Sdarrenr#define FR_INCRANGE 9 403145522Sdarrenr 404145522Sdarrenr/* 405145522Sdarrenr * Structure containing all the relevant TCP things that can be checked in 406145522Sdarrenr * a filter rule. 407145522Sdarrenr */ 40860851Sdarrenrtypedef struct frtuc { 409145522Sdarrenr u_char ftu_tcpfm; /* tcp flags mask */ 410145522Sdarrenr u_char ftu_tcpf; /* tcp flags */ 41160851Sdarrenr frpcmp_t ftu_src; 41260851Sdarrenr frpcmp_t ftu_dst; 41360851Sdarrenr} frtuc_t; 41460851Sdarrenr 41560851Sdarrenr#define ftu_scmp ftu_src.frp_cmp 41660851Sdarrenr#define ftu_dcmp ftu_dst.frp_cmp 41760851Sdarrenr#define ftu_sport ftu_src.frp_port 41860851Sdarrenr#define ftu_dport ftu_dst.frp_port 41960851Sdarrenr#define ftu_stop ftu_src.frp_top 42060851Sdarrenr#define ftu_dtop ftu_dst.frp_top 42160851Sdarrenr 422145522Sdarrenr#define FR_TCPFMAX 0x3f 423145522Sdarrenr 424145522Sdarrenr/* 425145522Sdarrenr * This structure makes up what is considered to be the IPFilter specific 426145522Sdarrenr * matching components of a filter rule, as opposed to the data structures 427145522Sdarrenr * used to define the result which are in frentry_t and not here. 428145522Sdarrenr */ 429145522Sdarrenrtypedef struct fripf { 430145522Sdarrenr fr_ip_t fri_ip; 431145522Sdarrenr fr_ip_t fri_mip; /* mask structure */ 432145522Sdarrenr 433145522Sdarrenr u_short fri_icmpm; /* data for ICMP packets (mask) */ 434145522Sdarrenr u_short fri_icmp; 435145522Sdarrenr 436145522Sdarrenr frtuc_t fri_tuc; 437145522Sdarrenr int fri_satype; /* addres type */ 438145522Sdarrenr int fri_datype; /* addres type */ 439145522Sdarrenr int fri_sifpidx; /* doing dynamic addressing */ 440145522Sdarrenr int fri_difpidx; /* index into fr_ifps[] to use when */ 441145522Sdarrenr} fripf_t; 442145522Sdarrenr 443145522Sdarrenr#define fri_dstnum fri_ip.fi_dstnum 444145522Sdarrenr#define fri_srcnum fri_mip.fi_srcnum 445145522Sdarrenr#define fri_dstptr fri_ip.fi_dstptr 446145522Sdarrenr#define fri_srcptr fri_mip.fi_srcptr 447145522Sdarrenr 448145522Sdarrenr#define FRI_NORMAL 0 /* Normal address */ 449145522Sdarrenr#define FRI_DYNAMIC 1 /* dynamic address */ 450145522Sdarrenr#define FRI_LOOKUP 2 /* address is a pool # */ 451145522Sdarrenr#define FRI_RANGE 3 /* address/mask is a range */ 452145522Sdarrenr#define FRI_NETWORK 4 /* network address from if */ 453145522Sdarrenr#define FRI_BROADCAST 5 /* broadcast address from if */ 454145522Sdarrenr#define FRI_PEERADDR 6 /* Peer address for P-to-P */ 455145522Sdarrenr#define FRI_NETMASKED 7 /* network address with netmask from if */ 456145522Sdarrenr 457145522Sdarrenr 458145522Sdarrenrtypedef struct frentry * (* frentfunc_t) __P((fr_info_t *)); 459145522Sdarrenr 46053642Sguidotypedef struct frentry { 461145522Sdarrenr ipfmutex_t fr_lock; 46253642Sguido struct frentry *fr_next; 463145522Sdarrenr struct frentry **fr_grp; 464145522Sdarrenr struct ipscan *fr_isc; 465145522Sdarrenr void *fr_ifas[4]; 466145522Sdarrenr void *fr_ptr; /* for use with fr_arg */ 467145522Sdarrenr char *fr_comment; /* text comment for rule */ 46853642Sguido int fr_ref; /* reference count - for grouping */ 469145522Sdarrenr int fr_statecnt; /* state count - for limit rules */ 47053642Sguido /* 47153642Sguido * These are only incremented when a packet matches this rule and 47253642Sguido * it is the last match 47353642Sguido */ 47453642Sguido U_QUAD_T fr_hits; 47553642Sguido U_QUAD_T fr_bytes; 476145522Sdarrenr 47753642Sguido /* 478145522Sdarrenr * For PPS rate limiting 47953642Sguido */ 480145522Sdarrenr struct timeval fr_lastpkt; 481145522Sdarrenr int fr_curpps; 48253642Sguido 483145522Sdarrenr union { 484145522Sdarrenr void *fru_data; 485145522Sdarrenr caddr_t fru_caddr; 486145522Sdarrenr fripf_t *fru_ipf; 487145522Sdarrenr frentfunc_t fru_func; 488145522Sdarrenr } fr_dun; 48953642Sguido 490145522Sdarrenr /* 491145522Sdarrenr * Fields after this may not change whilst in the kernel. 492145522Sdarrenr */ 493145522Sdarrenr ipfunc_t fr_func; /* call this function */ 494145522Sdarrenr int fr_dsize; 495145522Sdarrenr int fr_pps; 496145522Sdarrenr int fr_statemax; /* max reference count */ 497145522Sdarrenr int fr_flineno; /* line number from conf file */ 498145522Sdarrenr u_32_t fr_type; 49953642Sguido u_32_t fr_flags; /* per-rule flags && options (see below) */ 500145522Sdarrenr u_32_t fr_logtag; /* user defined log tag # */ 501145522Sdarrenr u_32_t fr_collect; /* collection number */ 502145522Sdarrenr u_int fr_arg; /* misc. numeric arg for rule */ 50360851Sdarrenr u_int fr_loglevel; /* syslog log facility + priority */ 504145522Sdarrenr u_int fr_age[2]; /* non-TCP timeouts */ 505145522Sdarrenr u_char fr_v; 50660851Sdarrenr u_char fr_icode; /* return ICMP code */ 507145522Sdarrenr char fr_group[FR_GROUPLEN]; /* group to which this rule belongs */ 508145522Sdarrenr char fr_grhead[FR_GROUPLEN]; /* group # which this rule starts */ 509145522Sdarrenr ipftag_t fr_nattag; 51092685Sdarrenr char fr_ifnames[4][LIFNAMSIZ]; 511145522Sdarrenr char fr_isctag[16]; 512145522Sdarrenr frdest_t fr_tifs[2]; /* "to"/"reply-to" interface */ 513145522Sdarrenr frdest_t fr_dif; /* duplicate packet interface */ 514145522Sdarrenr /* 515145522Sdarrenr * This must be last and will change after loaded into the kernel. 516145522Sdarrenr */ 51760851Sdarrenr u_int fr_cksum; /* checksum on filter rules for performance */ 51853642Sguido} frentry_t; 51953642Sguido 520145522Sdarrenr#define fr_caddr fr_dun.fru_caddr 521145522Sdarrenr#define fr_data fr_dun.fru_data 522145522Sdarrenr#define fr_dfunc fr_dun.fru_func 523145522Sdarrenr#define fr_ipf fr_dun.fru_ipf 524145522Sdarrenr#define fr_ip fr_ipf->fri_ip 525145522Sdarrenr#define fr_mip fr_ipf->fri_mip 526145522Sdarrenr#define fr_icmpm fr_ipf->fri_icmpm 527145522Sdarrenr#define fr_icmp fr_ipf->fri_icmp 528145522Sdarrenr#define fr_tuc fr_ipf->fri_tuc 529145522Sdarrenr#define fr_satype fr_ipf->fri_satype 530145522Sdarrenr#define fr_datype fr_ipf->fri_datype 531145522Sdarrenr#define fr_sifpidx fr_ipf->fri_sifpidx 532145522Sdarrenr#define fr_difpidx fr_ipf->fri_difpidx 53353642Sguido#define fr_proto fr_ip.fi_p 534145522Sdarrenr#define fr_mproto fr_mip.fi_p 53553642Sguido#define fr_ttl fr_ip.fi_ttl 536145522Sdarrenr#define fr_mttl fr_mip.fi_ttl 53753642Sguido#define fr_tos fr_ip.fi_tos 538145522Sdarrenr#define fr_mtos fr_mip.fi_tos 53960851Sdarrenr#define fr_tcpfm fr_tuc.ftu_tcpfm 54060851Sdarrenr#define fr_tcpf fr_tuc.ftu_tcpf 54160851Sdarrenr#define fr_scmp fr_tuc.ftu_scmp 54260851Sdarrenr#define fr_dcmp fr_tuc.ftu_dcmp 54360851Sdarrenr#define fr_dport fr_tuc.ftu_dport 54460851Sdarrenr#define fr_sport fr_tuc.ftu_sport 54560851Sdarrenr#define fr_stop fr_tuc.ftu_stop 54660851Sdarrenr#define fr_dtop fr_tuc.ftu_dtop 54760851Sdarrenr#define fr_dst fr_ip.fi_dst.in4 548145522Sdarrenr#define fr_daddr fr_ip.fi_dst.in4.s_addr 54960851Sdarrenr#define fr_src fr_ip.fi_src.in4 550145522Sdarrenr#define fr_saddr fr_ip.fi_src.in4.s_addr 55160851Sdarrenr#define fr_dmsk fr_mip.fi_dst.in4 552145522Sdarrenr#define fr_dmask fr_mip.fi_dst.in4.s_addr 55360851Sdarrenr#define fr_smsk fr_mip.fi_src.in4 554145522Sdarrenr#define fr_smask fr_mip.fi_src.in4.s_addr 555145522Sdarrenr#define fr_dstnum fr_ip.fi_dstnum 556145522Sdarrenr#define fr_srcnum fr_ip.fi_srcnum 557145522Sdarrenr#define fr_dsttype fr_ip.fi_dsttype 558145522Sdarrenr#define fr_srctype fr_ip.fi_srctype 559145522Sdarrenr#define fr_dstptr fr_mip.fi_dstptr 560145522Sdarrenr#define fr_srcptr fr_mip.fi_srcptr 561145522Sdarrenr#define fr_dstfunc fr_mip.fi_dstfunc 562145522Sdarrenr#define fr_srcfunc fr_mip.fi_srcfunc 563145522Sdarrenr#define fr_optbits fr_ip.fi_optmsk 564145522Sdarrenr#define fr_optmask fr_mip.fi_optmsk 565145522Sdarrenr#define fr_secbits fr_ip.fi_secmsk 566145522Sdarrenr#define fr_secmask fr_mip.fi_secmsk 567145522Sdarrenr#define fr_authbits fr_ip.fi_auth 568145522Sdarrenr#define fr_authmask fr_mip.fi_auth 569145522Sdarrenr#define fr_flx fr_ip.fi_flx 570145522Sdarrenr#define fr_mflx fr_mip.fi_flx 57192685Sdarrenr#define fr_ifname fr_ifnames[0] 57292685Sdarrenr#define fr_oifname fr_ifnames[2] 57392685Sdarrenr#define fr_ifa fr_ifas[0] 57492685Sdarrenr#define fr_oifa fr_ifas[2] 575145522Sdarrenr#define fr_tif fr_tifs[0] 576145522Sdarrenr#define fr_rif fr_tifs[1] 57753642Sguido 578145522Sdarrenr#define FR_NOLOGTAG 0 57953642Sguido 580145522Sdarrenr#ifndef offsetof 581145522Sdarrenr#define offsetof(t,m) (int)((&((t *)0L)->m)) 582145522Sdarrenr#endif 583145522Sdarrenr#define FR_CMPSIZ (sizeof(struct frentry) - \ 584145522Sdarrenr offsetof(struct frentry, fr_func)) 585145522Sdarrenr 58653642Sguido/* 587145522Sdarrenr * fr_type 588145522Sdarrenr */ 589145522Sdarrenr#define FR_T_NONE 0 590145522Sdarrenr#define FR_T_IPF 1 /* IPF structures */ 591145522Sdarrenr#define FR_T_BPFOPC 2 /* BPF opcode */ 592145522Sdarrenr#define FR_T_CALLFUNC 3 /* callout to function in fr_func only */ 593145522Sdarrenr#define FR_T_COMPIPF 4 /* compiled C code */ 594145522Sdarrenr#define FR_T_BUILTIN 0x80000000 /* rule is in kernel space */ 595145522Sdarrenr 596145522Sdarrenr/* 59753642Sguido * fr_flags 59853642Sguido */ 599145522Sdarrenr#define FR_CALL 0x00000 /* call rule */ 60053642Sguido#define FR_BLOCK 0x00001 /* do not allow packet to pass */ 60153642Sguido#define FR_PASS 0x00002 /* allow packet to pass */ 602145522Sdarrenr#define FR_AUTH 0x00003 /* use authentication */ 603145522Sdarrenr#define FR_PREAUTH 0x00004 /* require preauthentication */ 604145522Sdarrenr#define FR_ACCOUNT 0x00005 /* Accounting rule */ 605145522Sdarrenr#define FR_SKIP 0x00006 /* skip rule */ 606145522Sdarrenr#define FR_DIVERT 0x00007 /* divert rule */ 607145522Sdarrenr#define FR_CMDMASK 0x0000f 60853642Sguido#define FR_LOG 0x00010 /* Log */ 60953642Sguido#define FR_LOGB 0x00011 /* Log-fail */ 61053642Sguido#define FR_LOGP 0x00012 /* Log-pass */ 611145522Sdarrenr#define FR_LOGMASK (FR_LOG|FR_CMDMASK) 612145522Sdarrenr#define FR_CALLNOW 0x00020 /* call another function (fr_func) if matches */ 613145522Sdarrenr#define FR_NOTSRCIP 0x00040 614145522Sdarrenr#define FR_NOTDSTIP 0x00080 615145522Sdarrenr#define FR_QUICK 0x00100 /* match & stop processing list */ 616145522Sdarrenr#define FR_KEEPFRAG 0x00200 /* keep fragment information */ 617145522Sdarrenr#define FR_KEEPSTATE 0x00400 /* keep `connection' state information */ 618145522Sdarrenr#define FR_FASTROUTE 0x00800 /* bypass normal routing */ 619145522Sdarrenr#define FR_RETRST 0x01000 /* Return TCP RST packet - reset connection */ 620145522Sdarrenr#define FR_RETICMP 0x02000 /* Return ICMP unreachable packet */ 621145522Sdarrenr#define FR_FAKEICMP 0x03000 /* Return ICMP unreachable with fake source */ 622145522Sdarrenr#define FR_OUTQUE 0x04000 /* outgoing packets */ 623145522Sdarrenr#define FR_INQUE 0x08000 /* ingoing packets */ 624145522Sdarrenr#define FR_LOGBODY 0x10000 /* Log the body */ 625145522Sdarrenr#define FR_LOGFIRST 0x20000 /* Log the first byte if state held */ 62653642Sguido#define FR_LOGORBLOCK 0x40000 /* block the packet if it can't be logged */ 627145522Sdarrenr#define FR_DUP 0x80000 /* duplicate packet */ 628145522Sdarrenr#define FR_FRSTRICT 0x100000 /* strict frag. cache */ 629145522Sdarrenr#define FR_STSTRICT 0x200000 /* strict keep state */ 630145522Sdarrenr#define FR_NEWISN 0x400000 /* new ISN for outgoing TCP */ 631145522Sdarrenr#define FR_NOICMPERR 0x800000 /* do not match ICMP errors in state */ 632145522Sdarrenr#define FR_STATESYNC 0x1000000 /* synchronize state to slave */ 633145522Sdarrenr#define FR_NOMATCH 0x8000000 /* no match occured */ 634145522Sdarrenr /* 0x10000000 FF_LOGPASS */ 635145522Sdarrenr /* 0x20000000 FF_LOGBLOCK */ 636145522Sdarrenr /* 0x40000000 FF_LOGNOMATCH */ 637145522Sdarrenr /* 0x80000000 FF_BLOCKNONIP */ 638145522Sdarrenr#define FR_COPIED 0x40000000 /* copied from user space */ 639145522Sdarrenr#define FR_INACTIVE 0x80000000 /* only used when flush'ing rules */ 64053642Sguido 64153642Sguido#define FR_RETMASK (FR_RETICMP|FR_RETRST|FR_FAKEICMP) 642145522Sdarrenr#define FR_ISBLOCK(x) (((x) & FR_CMDMASK) == FR_BLOCK) 643145522Sdarrenr#define FR_ISPASS(x) (((x) & FR_CMDMASK) == FR_PASS) 644145522Sdarrenr#define FR_ISAUTH(x) (((x) & FR_CMDMASK) == FR_AUTH) 645145522Sdarrenr#define FR_ISPREAUTH(x) (((x) & FR_CMDMASK) == FR_PREAUTH) 646145522Sdarrenr#define FR_ISACCOUNT(x) (((x) & FR_CMDMASK) == FR_ACCOUNT) 647145522Sdarrenr#define FR_ISSKIP(x) (((x) & FR_CMDMASK) == FR_SKIP) 648145522Sdarrenr#define FR_ISNOMATCH(x) ((x) & FR_NOMATCH) 649145522Sdarrenr#define FR_INOUT (FR_INQUE|FR_OUTQUE) 65053642Sguido 65153642Sguido/* 65253642Sguido * recognized flags for SIOCGETFF and SIOCSETFF, and get put in fr_flags 65353642Sguido */ 65453642Sguido#define FF_LOGPASS 0x10000000 65553642Sguido#define FF_LOGBLOCK 0x20000000 65653642Sguido#define FF_LOGNOMATCH 0x40000000 65753642Sguido#define FF_LOGGING (FF_LOGPASS|FF_LOGBLOCK|FF_LOGNOMATCH) 65853642Sguido#define FF_BLOCKNONIP 0x80000000 /* Solaris2 Only */ 65953642Sguido 66053642Sguido 661145522Sdarrenr/* 662145522Sdarrenr * Structure that passes information on what/how to flush to the kernel. 663145522Sdarrenr */ 664145522Sdarrenrtypedef struct ipfflush { 665145522Sdarrenr int ipflu_how; 666145522Sdarrenr int ipflu_arg; 667145522Sdarrenr} ipfflush_t; 668145522Sdarrenr 669145522Sdarrenr 670145522Sdarrenr/* 671145522Sdarrenr * 672145522Sdarrenr */ 673145522Sdarrenrtypedef struct ipfgetctl { 674145522Sdarrenr u_int ipfg_min; /* min value */ 675145522Sdarrenr u_int ipfg_current; /* current value */ 676145522Sdarrenr u_int ipfg_max; /* max value */ 677145522Sdarrenr u_int ipfg_default; /* default value */ 678145522Sdarrenr u_int ipfg_steps; /* value increments */ 679145522Sdarrenr char ipfg_name[40]; /* tag name for this control */ 680145522Sdarrenr} ipfgetctl_t; 681145522Sdarrenr 682145522Sdarrenrtypedef struct ipfsetctl { 683145522Sdarrenr int ipfs_which; /* 0 = min 1 = current 2 = max 3 = default */ 684145522Sdarrenr u_int ipfs_value; /* min value */ 685145522Sdarrenr char ipfs_name[40]; /* tag name for this control */ 686145522Sdarrenr} ipfsetctl_t; 687145522Sdarrenr 688145522Sdarrenr 689145522Sdarrenr/* 690145522Sdarrenr * Some of the statistics below are in their own counters, but most are kept 691145522Sdarrenr * in this single structure so that they can all easily be collected and 692145522Sdarrenr * copied back as required. 693145522Sdarrenr */ 69453642Sguidotypedef struct filterstats { 69553642Sguido u_long fr_pass; /* packets allowed */ 69653642Sguido u_long fr_block; /* packets denied */ 69753642Sguido u_long fr_nom; /* packets which don't match any rule */ 69857096Sguido u_long fr_short; /* packets which are short */ 69953642Sguido u_long fr_ppkl; /* packets allowed and logged */ 70053642Sguido u_long fr_bpkl; /* packets denied and logged */ 70153642Sguido u_long fr_npkl; /* packets unmatched and logged */ 70253642Sguido u_long fr_pkl; /* packets logged */ 70353642Sguido u_long fr_skip; /* packets to be logged but buffer full */ 70453642Sguido u_long fr_ret; /* packets for which a return is sent */ 70553642Sguido u_long fr_acct; /* packets for which counting was performed */ 70653642Sguido u_long fr_bnfr; /* bad attempts to allocate fragment state */ 70753642Sguido u_long fr_nfr; /* new fragment state kept */ 70853642Sguido u_long fr_cfr; /* add new fragment state but complete pkt */ 70953642Sguido u_long fr_bads; /* bad attempts to allocate packet state */ 71053642Sguido u_long fr_ads; /* new packet state kept */ 71153642Sguido u_long fr_chit; /* cached hit */ 71253642Sguido u_long fr_tcpbad; /* TCP checksum check failures */ 71353642Sguido u_long fr_pull[2]; /* good and bad pullup attempts */ 71460851Sdarrenr u_long fr_badsrc; /* source received doesn't match route */ 71572006Sdarrenr u_long fr_badttl; /* TTL in packet doesn't reach minimum */ 71653642Sguido u_long fr_bad; /* bad IP packets to the filter */ 717145522Sdarrenr u_long fr_ipv6; /* IPv6 packets in/out */ 718145522Sdarrenr u_long fr_ppshit; /* dropped because of pps ceiling */ 719145522Sdarrenr u_long fr_ipud; /* IP id update failures */ 72053642Sguido} filterstats_t; 72153642Sguido 72253642Sguido/* 72353642Sguido * Log structure. Each packet header logged is prepended by one of these. 72453642Sguido * Following this in the log records read from the device will be an ipflog 72553642Sguido * structure which is then followed by any packet data. 72653642Sguido */ 72753642Sguidotypedef struct iplog { 728110916Sdarrenr u_32_t ipl_magic; 729110916Sdarrenr u_int ipl_count; 730145522Sdarrenr struct timeval ipl_time; 731110916Sdarrenr size_t ipl_dsize; 73253642Sguido struct iplog *ipl_next; 73353642Sguido} iplog_t; 73453642Sguido 735145522Sdarrenr#define ipl_sec ipl_time.tv_sec 736145522Sdarrenr#define ipl_usec ipl_time.tv_usec 737110916Sdarrenr 738145522Sdarrenr#define IPL_MAGIC 0x49504c4d /* 'IPLM' */ 739145522Sdarrenr#define IPL_MAGIC_NAT 0x49504c4e /* 'IPLN' */ 740145522Sdarrenr#define IPL_MAGIC_STATE 0x49504c53 /* 'IPLS' */ 74192685Sdarrenr#define IPLOG_SIZE sizeof(iplog_t) 74253642Sguido 74353642Sguidotypedef struct ipflog { 74453642Sguido#if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199603)) || \ 74553642Sguido (defined(OpenBSD) && (OpenBSD >= 199603)) 74653642Sguido#else 74753642Sguido u_int fl_unit; 74853642Sguido#endif 74960851Sdarrenr u_32_t fl_rule; 75053642Sguido u_32_t fl_flags; 751145522Sdarrenr u_32_t fl_lflags; 752145522Sdarrenr u_32_t fl_logtag; 753145522Sdarrenr ipftag_t fl_nattag; 754145522Sdarrenr u_short fl_plen; /* extra data after hlen */ 755145522Sdarrenr u_short fl_loglevel; /* syslog log level */ 756145522Sdarrenr char fl_group[FR_GROUPLEN]; 757145522Sdarrenr u_char fl_hlen; /* length of IP headers saved */ 75892685Sdarrenr u_char fl_dir; 759145522Sdarrenr u_char fl_xxx[2]; /* pad */ 760145522Sdarrenr char fl_ifname[LIFNAMSIZ]; 76153642Sguido} ipflog_t; 76253642Sguido 76353642Sguido#ifndef IPF_LOGGING 76453642Sguido# define IPF_LOGGING 0 76553642Sguido#endif 76653642Sguido#ifndef IPF_DEFAULT_PASS 76753642Sguido# define IPF_DEFAULT_PASS FR_PASS 76853642Sguido#endif 76953642Sguido 770145522Sdarrenr#define DEFAULT_IPFLOGSIZE 8192 771145522Sdarrenr#ifndef IPFILTER_LOGSIZE 772145522Sdarrenr# define IPFILTER_LOGSIZE DEFAULT_IPFLOGSIZE 773145522Sdarrenr#else 774145522Sdarrenr# if IPFILTER_LOGSIZE < DEFAULT_IPFLOGSIZE 775145522Sdarrenr# error IPFILTER_LOGSIZE too small. Must be >= DEFAULT_IPFLOGSIZE 776145522Sdarrenr# endif 777145522Sdarrenr#endif 77853642Sguido 77980482Sdarrenr#define IPF_OPTCOPY 0x07ff00 /* bit mask of copied options */ 78080482Sdarrenr 78153642Sguido/* 78253642Sguido * Device filenames for reading log information. Use ipf on Solaris2 because 78353642Sguido * ipl is already a name used by something else. 78453642Sguido */ 78553642Sguido#ifndef IPL_NAME 78653642Sguido# if SOLARIS 78753642Sguido# define IPL_NAME "/dev/ipf" 78853642Sguido# else 78953642Sguido# define IPL_NAME "/dev/ipl" 79053642Sguido# endif 79153642Sguido#endif 792145522Sdarrenr/* 793145522Sdarrenr * Pathnames for various IP Filter control devices. Used by LKM 794145522Sdarrenr * and userland, so defined here. 795145522Sdarrenr */ 796145522Sdarrenr#define IPNAT_NAME "/dev/ipnat" 797145522Sdarrenr#define IPSTATE_NAME "/dev/ipstate" 798145522Sdarrenr#define IPAUTH_NAME "/dev/ipauth" 799145522Sdarrenr#define IPSYNC_NAME "/dev/ipsync" 800145522Sdarrenr#define IPSCAN_NAME "/dev/ipscan" 801145522Sdarrenr#define IPLOOKUP_NAME "/dev/iplookup" 80253642Sguido 80353642Sguido#define IPL_LOGIPF 0 /* Minor device #'s for accessing logs */ 80453642Sguido#define IPL_LOGNAT 1 80553642Sguido#define IPL_LOGSTATE 2 80653642Sguido#define IPL_LOGAUTH 3 807145522Sdarrenr#define IPL_LOGSYNC 4 808145522Sdarrenr#define IPL_LOGSCAN 5 809145522Sdarrenr#define IPL_LOGLOOKUP 6 810145522Sdarrenr#define IPL_LOGCOUNT 7 811145522Sdarrenr#define IPL_LOGMAX 7 812145522Sdarrenr#define IPL_LOGSIZE IPL_LOGMAX + 1 813145522Sdarrenr#define IPL_LOGALL -1 814145522Sdarrenr#define IPL_LOGNONE -2 81553642Sguido 816145522Sdarrenr/* 817145522Sdarrenr * For SIOCGETFS 818145522Sdarrenr */ 819145522Sdarrenrtypedef struct friostat { 820145522Sdarrenr struct filterstats f_st[2]; 821145522Sdarrenr struct frentry *f_ipf[2][2]; 822145522Sdarrenr struct frentry *f_acct[2][2]; 823145522Sdarrenr struct frentry *f_ipf6[2][2]; 824145522Sdarrenr struct frentry *f_acct6[2][2]; 825145522Sdarrenr struct frentry *f_auth; 826145522Sdarrenr struct frgroup *f_groups[IPL_LOGSIZE][2]; 827145522Sdarrenr u_long f_froute[2]; 828145522Sdarrenr u_long f_ticks; 829145522Sdarrenr int f_locks[IPL_LOGMAX]; 830145522Sdarrenr size_t f_kmutex_sz; 831145522Sdarrenr size_t f_krwlock_sz; 832145522Sdarrenr int f_defpass; /* default pass - from fr_pass */ 833145522Sdarrenr int f_active; /* 1 or 0 - active rule set */ 834145522Sdarrenr int f_running; /* 1 if running, else 0 */ 835145522Sdarrenr int f_logging; /* 1 if enabled, else 0 */ 836145522Sdarrenr int f_features; 837145522Sdarrenr char f_version[32]; /* version string */ 838145522Sdarrenr} friostat_t; 839145522Sdarrenr 840145522Sdarrenr#define f_fin f_ipf[0] 841145522Sdarrenr#define f_fin6 f_ipf6[0] 842145522Sdarrenr#define f_fout f_ipf[1] 843145522Sdarrenr#define f_fout6 f_ipf6[1] 844145522Sdarrenr#define f_acctin f_acct[0] 845145522Sdarrenr#define f_acctin6 f_acct6[0] 846145522Sdarrenr#define f_acctout f_acct[1] 847145522Sdarrenr#define f_acctout6 f_acct6[1] 848145522Sdarrenr 849145522Sdarrenr#define IPF_FEAT_LKM 0x001 850145522Sdarrenr#define IPF_FEAT_LOG 0x002 851145522Sdarrenr#define IPF_FEAT_LOOKUP 0x004 852145522Sdarrenr#define IPF_FEAT_BPF 0x008 853145522Sdarrenr#define IPF_FEAT_COMPILED 0x010 854145522Sdarrenr#define IPF_FEAT_CKSUM 0x020 855145522Sdarrenr#define IPF_FEAT_SYNC 0x040 856145522Sdarrenr#define IPF_FEAT_SCAN 0x080 857145522Sdarrenr#define IPF_FEAT_IPV6 0x100 858145522Sdarrenr 859145522Sdarrenrtypedef struct optlist { 860145522Sdarrenr u_short ol_val; 861145522Sdarrenr int ol_bit; 862145522Sdarrenr} optlist_t; 863145522Sdarrenr 864145522Sdarrenr 865145522Sdarrenr/* 866145522Sdarrenr * Group list structure. 867145522Sdarrenr */ 868145522Sdarrenrtypedef struct frgroup { 869145522Sdarrenr struct frgroup *fg_next; 870145522Sdarrenr struct frentry *fg_head; 871145522Sdarrenr struct frentry *fg_start; 872145522Sdarrenr u_32_t fg_flags; 873145522Sdarrenr int fg_ref; 874145522Sdarrenr char fg_name[FR_GROUPLEN]; 875145522Sdarrenr} frgroup_t; 876145522Sdarrenr 877145522Sdarrenr#define FG_NAME(g) (*(g)->fg_name == '\0' ? "" : (g)->fg_name) 878145522Sdarrenr 879145522Sdarrenr 880145522Sdarrenr/* 881145522Sdarrenr * Used by state and NAT tables 882145522Sdarrenr */ 883145522Sdarrenrtypedef struct icmpinfo { 884145522Sdarrenr u_short ici_id; 885145522Sdarrenr u_short ici_seq; 886145522Sdarrenr u_char ici_type; 887145522Sdarrenr} icmpinfo_t; 888145522Sdarrenr 889145522Sdarrenrtypedef struct udpinfo { 890145522Sdarrenr u_short us_sport; 891145522Sdarrenr u_short us_dport; 892145522Sdarrenr} udpinfo_t; 893145522Sdarrenr 894145522Sdarrenr 895145522Sdarrenrtypedef struct tcpdata { 896145522Sdarrenr u_32_t td_end; 897145522Sdarrenr u_32_t td_maxend; 898145522Sdarrenr u_32_t td_maxwin; 899145522Sdarrenr u_32_t td_winscale; 900145522Sdarrenr u_32_t td_maxseg; 901145522Sdarrenr int td_winflags; 902145522Sdarrenr} tcpdata_t; 903145522Sdarrenr 904145522Sdarrenr#define TCP_WSCALE_MAX 14 905145522Sdarrenr 906145522Sdarrenr#define TCP_WSCALE_SEEN 0x00000001 907145522Sdarrenr#define TCP_WSCALE_FIRST 0x00000002 908145522Sdarrenr 909145522Sdarrenr 910145522Sdarrenrtypedef struct tcpinfo { 911145522Sdarrenr u_short ts_sport; 912145522Sdarrenr u_short ts_dport; 913145522Sdarrenr tcpdata_t ts_data[2]; 914145522Sdarrenr} tcpinfo_t; 915145522Sdarrenr 916145522Sdarrenr 917145522Sdarrenrstruct grebits { 918145522Sdarrenr u_32_t grb_C:1; 919145522Sdarrenr u_32_t grb_R:1; 920145522Sdarrenr u_32_t grb_K:1; 921145522Sdarrenr u_32_t grb_S:1; 922145522Sdarrenr u_32_t grb_s:1; 923145522Sdarrenr u_32_t grb_recur:1; 924145522Sdarrenr u_32_t grb_A:1; 925145522Sdarrenr u_32_t grb_flags:3; 926145522Sdarrenr u_32_t grb_ver:3; 927145522Sdarrenr u_short grb_ptype; 928145522Sdarrenr}; 929145522Sdarrenr 930145522Sdarrenrtypedef struct grehdr { 931145522Sdarrenr union { 932145522Sdarrenr struct grebits gru_bits; 933145522Sdarrenr u_short gru_flags; 934145522Sdarrenr } gr_un; 935145522Sdarrenr u_short gr_len; 936145522Sdarrenr u_short gr_call; 937145522Sdarrenr} grehdr_t; 938145522Sdarrenr 939145522Sdarrenr#define gr_flags gr_un.gru_flags 940145522Sdarrenr#define gr_bits gr_un.gru_bits 941145522Sdarrenr#define gr_ptype gr_bits.grb_ptype 942145522Sdarrenr#define gr_C gr_bits.grb_C 943145522Sdarrenr#define gr_R gr_bits.grb_R 944145522Sdarrenr#define gr_K gr_bits.grb_K 945145522Sdarrenr#define gr_S gr_bits.grb_S 946145522Sdarrenr#define gr_s gr_bits.grb_s 947145522Sdarrenr#define gr_recur gr_bits.grb_recur 948145522Sdarrenr#define gr_A gr_bits.grb_A 949145522Sdarrenr#define gr_ver gr_bits.grb_ver 950145522Sdarrenr 951145522Sdarrenr 952145522Sdarrenrtypedef struct greinfo { 953145522Sdarrenr u_short gs_call[2]; 954145522Sdarrenr u_short gs_flags; 955145522Sdarrenr u_short gs_ptype; 956145522Sdarrenr} greinfo_t; 957145522Sdarrenr 958145522Sdarrenr#define GRE_REV(x) ((ntohs(x) >> 13) & 7) 959145522Sdarrenr 960145522Sdarrenr 961145522Sdarrenr/* 962145522Sdarrenr * Timeout tail queue list member 963145522Sdarrenr */ 964145522Sdarrenrtypedef struct ipftqent { 965145522Sdarrenr struct ipftqent **tqe_pnext; 966145522Sdarrenr struct ipftqent *tqe_next; 967145522Sdarrenr struct ipftq *tqe_ifq; 968145522Sdarrenr void *tqe_parent; /* pointer back to NAT/state struct */ 969145522Sdarrenr u_long tqe_die; /* when this entriy is to die */ 970145522Sdarrenr u_long tqe_touched; 971145522Sdarrenr int tqe_flags; 972145522Sdarrenr int tqe_state[2]; /* current state of this entry */ 973145522Sdarrenr} ipftqent_t; 974145522Sdarrenr 975145522Sdarrenr#define TQE_RULEBASED 0x00000001 976145522Sdarrenr 977145522Sdarrenr 978145522Sdarrenr/* 979145522Sdarrenr * Timeout tail queue head for IPFilter 980145522Sdarrenr */ 981145522Sdarrenrtypedef struct ipftq { 982145522Sdarrenr ipfmutex_t ifq_lock; 983145522Sdarrenr u_int ifq_ttl; 984145522Sdarrenr ipftqent_t *ifq_head; 985145522Sdarrenr ipftqent_t **ifq_tail; 986145522Sdarrenr struct ipftq *ifq_next; 987145522Sdarrenr struct ipftq **ifq_pnext; 988145522Sdarrenr int ifq_ref; 989145522Sdarrenr u_int ifq_flags; 990145522Sdarrenr} ipftq_t; 991145522Sdarrenr 992145522Sdarrenr#define IFQF_USER 0x01 /* User defined aging */ 993145522Sdarrenr#define IFQF_DELETE 0x02 /* Marked for deletion */ 994145522Sdarrenr#define IFQF_PROXY 0x04 /* Timeout queue in use by a proxy */ 995145522Sdarrenr 996145522Sdarrenr#define IPF_HZ_MULT 1 997145522Sdarrenr#define IPF_HZ_DIVIDE 2 /* How many times a second ipfilter */ 998145522Sdarrenr /* checks its timeout queues. */ 999145522Sdarrenr#define IPF_TTLVAL(x) (((x) / IPF_HZ_MULT) * IPF_HZ_DIVIDE) 1000145522Sdarrenr 1001145522Sdarrenr/* 1002145522Sdarrenr * Structure to define address for pool lookups. 1003145522Sdarrenr */ 1004145522Sdarrenrtypedef struct { 1005145522Sdarrenr u_char adf_len; 1006145522Sdarrenr i6addr_t adf_addr; 1007145522Sdarrenr} addrfamily_t; 1008145522Sdarrenr 1009145522Sdarrenr 1010145522Sdarrenr/* 1011145522Sdarrenr * Object structure description. For passing through in ioctls. 1012145522Sdarrenr */ 1013145522Sdarrenrtypedef struct ipfobj { 1014145522Sdarrenr u_32_t ipfo_rev; /* IPFilter version number */ 1015145522Sdarrenr u_32_t ipfo_size; /* size of object at ipfo_ptr */ 1016145522Sdarrenr void *ipfo_ptr; /* pointer to object */ 1017145522Sdarrenr int ipfo_type; /* type of object being pointed to */ 1018145522Sdarrenr int ipfo_offset; /* bytes from ipfo_ptr where to start */ 1019145522Sdarrenr u_char ipfo_xxxpad[32]; /* reserved for future use */ 1020145522Sdarrenr} ipfobj_t; 1021145522Sdarrenr 1022145522Sdarrenr#define IPFOBJ_FRENTRY 0 /* struct frentry */ 1023145522Sdarrenr#define IPFOBJ_IPFSTAT 1 /* struct friostat */ 1024145522Sdarrenr#define IPFOBJ_IPFINFO 2 /* struct fr_info */ 1025145522Sdarrenr#define IPFOBJ_AUTHSTAT 3 /* struct fr_authstat */ 1026145522Sdarrenr#define IPFOBJ_FRAGSTAT 4 /* struct ipfrstat */ 1027145522Sdarrenr#define IPFOBJ_IPNAT 5 /* struct ipnat */ 1028145522Sdarrenr#define IPFOBJ_NATSTAT 6 /* struct natstat */ 1029145522Sdarrenr#define IPFOBJ_STATESAVE 7 /* struct ipstate_save */ 1030145522Sdarrenr#define IPFOBJ_NATSAVE 8 /* struct nat_save */ 1031145522Sdarrenr#define IPFOBJ_NATLOOKUP 9 /* struct natlookup */ 1032145522Sdarrenr#define IPFOBJ_IPSTATE 10 /* struct ipstate */ 1033145522Sdarrenr#define IPFOBJ_STATESTAT 11 /* struct ips_stat */ 1034145522Sdarrenr#define IPFOBJ_FRAUTH 12 /* struct frauth */ 1035145522Sdarrenr#define IPFOBJ_TUNEABLE 13 /* struct ipftune */ 1036145522Sdarrenr 1037145522Sdarrenr 1038145522Sdarrenrtypedef union ipftunevalptr { 1039145522Sdarrenr void *ipftp_void; 1040145522Sdarrenr u_long *ipftp_long; 1041145522Sdarrenr u_int *ipftp_int; 1042145522Sdarrenr u_short *ipftp_short; 1043145522Sdarrenr u_char *ipftp_char; 1044145522Sdarrenr} ipftunevalptr_t; 1045145522Sdarrenr 1046145522Sdarrenrtypedef struct ipftuneable { 1047145522Sdarrenr ipftunevalptr_t ipft_una; 1048145522Sdarrenr char *ipft_name; 1049145522Sdarrenr u_long ipft_min; 1050145522Sdarrenr u_long ipft_max; 1051145522Sdarrenr int ipft_sz; 1052145522Sdarrenr int ipft_flags; 1053145522Sdarrenr struct ipftuneable *ipft_next; 1054145522Sdarrenr} ipftuneable_t; 1055145522Sdarrenr 1056145522Sdarrenr#define ipft_addr ipft_una.ipftp_void 1057145522Sdarrenr#define ipft_plong ipft_una.ipftp_long 1058145522Sdarrenr#define ipft_pint ipft_una.ipftp_int 1059145522Sdarrenr#define ipft_pshort ipft_una.ipftp_short 1060145522Sdarrenr#define ipft_pchar ipft_una.ipftp_char 1061145522Sdarrenr 1062145522Sdarrenr#define IPFT_RDONLY 1 /* read-only */ 1063145522Sdarrenr#define IPFT_WRDISABLED 2 /* write when disabled only */ 1064145522Sdarrenr 1065145522Sdarrenrtypedef union ipftuneval { 1066145522Sdarrenr u_long ipftu_long; 1067145522Sdarrenr u_int ipftu_int; 1068145522Sdarrenr u_short ipftu_short; 1069145522Sdarrenr u_char ipftu_char; 1070145522Sdarrenr} ipftuneval_t; 1071145522Sdarrenr 1072145522Sdarrenrtypedef struct ipftune { 1073145522Sdarrenr void *ipft_cookie; 1074145522Sdarrenr ipftuneval_t ipft_un; 1075145522Sdarrenr u_long ipft_min; 1076145522Sdarrenr u_long ipft_max; 1077145522Sdarrenr int ipft_sz; 1078145522Sdarrenr int ipft_flags; 1079145522Sdarrenr char ipft_name[80]; 1080145522Sdarrenr} ipftune_t; 1081145522Sdarrenr 1082145522Sdarrenr#define ipft_vlong ipft_un.ipftu_long 1083145522Sdarrenr#define ipft_vint ipft_un.ipftu_int 1084145522Sdarrenr#define ipft_vshort ipft_un.ipftu_short 1085145522Sdarrenr#define ipft_vchar ipft_un.ipftu_char 1086145522Sdarrenr 1087145522Sdarrenr 1088145522Sdarrenr/* 1089145522Sdarrenr** HPUX Port 1090145522Sdarrenr*/ 1091145522Sdarrenr#ifdef __hpux 1092145522Sdarrenr/* HP-UX locking sequence deadlock detection module lock MAJOR ID */ 1093145522Sdarrenr# define IPF_SMAJ 0 /* temp assignment XXX, not critical */ 1094145522Sdarrenr#endif 1095145522Sdarrenr 109653642Sguido#if !defined(CDEV_MAJOR) && defined (__FreeBSD_version) && \ 109753642Sguido (__FreeBSD_version >= 220000) 109853642Sguido# define CDEV_MAJOR 79 109953642Sguido#endif 110053642Sguido 110153642Sguido/* 110253642Sguido * Post NetBSD 1.2 has the PFIL interface for packet filters. This turns 110353642Sguido * on those hooks. We don't need any special mods in non-IP Filter code 110453642Sguido * with this! 110553642Sguido */ 110653642Sguido#if (defined(NetBSD) && (NetBSD > 199609) && (NetBSD <= 1991011)) || \ 1107145522Sdarrenr (defined(NetBSD1_2) && NetBSD1_2 > 1) || \ 1108145522Sdarrenr (defined(__FreeBSD__) && (__FreeBSD_version >= 500043)) 1109145522Sdarrenr# if (NetBSD >= 199905) 111053642Sguido# define PFIL_HOOKS 111153642Sguido# endif 111253642Sguido# ifdef PFIL_HOOKS 111353642Sguido# define NETBSD_PF 111453642Sguido# endif 111553642Sguido#endif 111653642Sguido 111753642Sguido#ifndef _KERNEL 1118145522Sdarrenrextern int fr_check __P((struct ip *, int, void *, int, mb_t **)); 111953642Sguidoextern int (*fr_checkp) __P((ip_t *, int, void *, int, mb_t **)); 112053642Sguidoextern int ipf_log __P((void)); 112160851Sdarrenrextern struct ifnet *get_unit __P((char *, int)); 1122145522Sdarrenrextern char *get_ifname __P((struct ifnet *)); 112353642Sguido# if defined(__NetBSD__) || defined(__OpenBSD__) || \ 112453642Sguido (_BSDI_VERSION >= 199701) || (__FreeBSD_version >= 300000) 1125145522Sdarrenrextern int iplioctl __P((int, ioctlcmd_t, caddr_t, int)); 112653642Sguido# else 1127145522Sdarrenrextern int iplioctl __P((int, ioctlcmd_t, caddr_t, int)); 112853642Sguido# endif 112953642Sguidoextern int iplopen __P((dev_t, int)); 113053642Sguidoextern int iplclose __P((dev_t, int)); 1131145522Sdarrenrextern void m_freem __P((mb_t *)); 113253642Sguido#else /* #ifndef _KERNEL */ 113353642Sguido# if defined(__NetBSD__) && defined(PFIL_HOOKS) 113453642Sguidoextern void ipfilterattach __P((int)); 113553642Sguido# endif 113653642Sguidoextern int ipl_enable __P((void)); 113753642Sguidoextern int ipl_disable __P((void)); 1138145522Sdarrenr# ifdef MENTAT 1139145522Sdarrenrextern int fr_check __P((struct ip *, int, void *, int, void *, 1140145522Sdarrenr mblk_t **)); 1141145522Sdarrenr# if SOLARIS 1142145522Sdarrenr# if SOLARIS2 >= 7 114353642Sguidoextern int iplioctl __P((dev_t, int, intptr_t, int, cred_t *, int *)); 1144145522Sdarrenr# else 114553642Sguidoextern int iplioctl __P((dev_t, int, int *, int, cred_t *, int *)); 1146145522Sdarrenr# endif 114753642Sguidoextern int iplopen __P((dev_t *, int, int, cred_t *)); 114853642Sguidoextern int iplclose __P((dev_t, int, int, cred_t *)); 1149145522Sdarrenrextern int iplread __P((dev_t, uio_t *, cred_t *)); 1150145522Sdarrenrextern int iplwrite __P((dev_t, uio_t *, cred_t *)); 1151145522Sdarrenr# endif 1152145522Sdarrenr# ifdef __hpux 1153145522Sdarrenrextern int iplopen __P((dev_t, int, intptr_t, int)); 1154145522Sdarrenrextern int iplclose __P((dev_t, int, int)); 1155145522Sdarrenrextern int iplioctl __P((dev_t, int, caddr_t, int)); 1156145522Sdarrenrextern int iplread __P((dev_t, uio_t *)); 1157145522Sdarrenrextern int iplwrite __P((dev_t, uio_t *)); 1158145522Sdarrenrextern int iplselect __P((dev_t, int)); 1159145522Sdarrenr# endif 116053642Sguidoextern int ipfsync __P((void)); 116153642Sguidoextern int fr_qout __P((queue_t *, mblk_t *)); 1162145522Sdarrenr# else /* MENTAT */ 1163145522Sdarrenrextern int fr_check __P((struct ip *, int, void *, int, mb_t **)); 116453642Sguidoextern int (*fr_checkp) __P((ip_t *, int, void *, int, mb_t **)); 116553642Sguidoextern size_t mbufchainlen __P((mb_t *)); 116653642Sguido# ifdef __sgi 116753642Sguido# include <sys/cred.h> 116853642Sguidoextern int iplioctl __P((dev_t, int, caddr_t, int, cred_t *, int *)); 116953642Sguidoextern int iplopen __P((dev_t *, int, int, cred_t *)); 117053642Sguidoextern int iplclose __P((dev_t, int, int, cred_t *)); 1171145522Sdarrenrextern int iplread __P((dev_t, uio_t *, cred_t *)); 1172145522Sdarrenrextern int iplwrite __P((dev_t, uio_t *, cred_t *)); 117353642Sguidoextern int ipfsync __P((void)); 117453642Sguidoextern int ipfilter_sgi_attach __P((void)); 117553642Sguidoextern void ipfilter_sgi_detach __P((void)); 117653642Sguidoextern void ipfilter_sgi_intfsync __P((void)); 117753642Sguido# else 117853642Sguido# ifdef IPFILTER_LKM 117953642Sguidoextern int iplidentify __P((char *)); 118053642Sguido# endif 118153642Sguido# if (_BSDI_VERSION >= 199510) || (__FreeBSD_version >= 220000) || \ 118253642Sguido (NetBSD >= 199511) || defined(__OpenBSD__) 118353642Sguido# if defined(__NetBSD__) || (_BSDI_VERSION >= 199701) || \ 118453642Sguido defined(__OpenBSD__) || (__FreeBSD_version >= 300000) 1185145522Sdarrenr# if (__FreeBSD_version >= 500024) 1186145522Sdarrenr# if (__FreeBSD_version >= 502116) 1187145522Sdarrenrextern int iplioctl __P((struct cdev*, u_long, caddr_t, int, struct thread *)); 1188145522Sdarrenr# else 1189145522Sdarrenrextern int iplioctl __P((dev_t, u_long, caddr_t, int, struct thread *)); 1190145522Sdarrenr# endif /* __FreeBSD_version >= 502116 */ 1191145522Sdarrenr# else 1192145522Sdarrenrextern int iplioctl __P((dev_t, u_long, caddr_t, int, struct proc *)); 1193145522Sdarrenr# endif /* __FreeBSD_version >= 500024 */ 119453642Sguido# else 119583366Sjulianextern int iplioctl __P((dev_t, int, caddr_t, int, struct thread *)); 119653642Sguido# endif 1197145522Sdarrenr# if (__FreeBSD_version >= 500024) 1198145522Sdarrenr# if (__FreeBSD_version >= 502116) 1199145522Sdarrenrextern int iplopen __P((struct cdev*, int, int, struct thread *)); 1200145522Sdarrenrextern int iplclose __P((struct cdev*, int, int, struct thread *)); 1201145522Sdarrenr# else 1202145522Sdarrenrextern int iplopen __P((dev_t, int, int, struct thread *)); 1203145522Sdarrenrextern int iplclose __P((dev_t, int, int, struct thread *)); 1204145522Sdarrenr# endif /* __FreeBSD_version >= 502116 */ 1205145522Sdarrenr# else 1206145522Sdarrenrextern int iplopen __P((dev_t, int, int, struct proc *)); 1207145522Sdarrenrextern int iplclose __P((dev_t, int, int, struct proc *)); 1208145522Sdarrenr# endif /* __FreeBSD_version >= 500024 */ 120953642Sguido# else 1210145522Sdarrenr# ifdef linux 1211145522Sdarrenrextern int iplioctl __P((struct inode *, struct file *, u_int, u_long)); 1212145522Sdarrenr# else 121353642Sguidoextern int iplopen __P((dev_t, int)); 121453642Sguidoextern int iplclose __P((dev_t, int)); 121553642Sguidoextern int iplioctl __P((dev_t, int, caddr_t, int)); 1216145522Sdarrenr# endif 121753642Sguido# endif /* (_BSDI_VERSION >= 199510) */ 121853642Sguido# if BSD >= 199306 1219145522Sdarrenr# if (__FreeBSD_version >= 502116) 1220145522Sdarrenrextern int iplread __P((struct cdev*, struct uio *, int)); 1221145522Sdarrenrextern int iplwrite __P((struct cdev*, struct uio *, int)); 1222145522Sdarrenr# else 1223145522Sdarrenrextern int iplread __P((dev_t, struct uio *, int)); 1224145522Sdarrenrextern int iplwrite __P((dev_t, struct uio *, int)); 1225145522Sdarrenr# endif /* __FreeBSD_version >= 502116 */ 122653642Sguido# else 122753642Sguido# ifndef linux 122853642Sguidoextern int iplread __P((dev_t, struct uio *)); 1229145522Sdarrenrextern int iplwrite __P((dev_t, struct uio *)); 1230145522Sdarrenr# endif 123153642Sguido# endif /* BSD >= 199306 */ 123253642Sguido# endif /* __ sgi */ 1233145522Sdarrenr# endif /* MENTAT */ 1234145522Sdarrenr 123553642Sguido#endif /* #ifndef _KERNEL */ 123653642Sguido 1237145522Sdarrenrextern ipfmutex_t ipl_mutex, ipf_authmx, ipf_rw, ipf_hostmap; 1238145522Sdarrenrextern ipfmutex_t ipf_timeoutlock, ipf_stinsert, ipf_natio, ipf_nat_new; 1239145522Sdarrenrextern ipfrwlock_t ipf_mutex, ipf_global, ip_poolrw, ipf_ipidfrag; 1240145522Sdarrenrextern ipfrwlock_t ipf_frag, ipf_state, ipf_nat, ipf_natfrag, ipf_auth; 1241145522Sdarrenr 124260851Sdarrenrextern char *memstr __P((char *, char *, int, int)); 1243145522Sdarrenrextern int count4bits __P((u_32_t)); 1244145522Sdarrenrextern int frrequest __P((int, ioctlcmd_t, caddr_t, int, int)); 1245145522Sdarrenrextern char *getifname __P((struct ifnet *)); 1246145522Sdarrenrextern int iplattach __P((void)); 124753642Sguidoextern int ipldetach __P((void)); 124853642Sguidoextern u_short ipf_cksum __P((u_short *, int)); 1249145522Sdarrenrextern int copyinptr __P((void *, void *, size_t)); 1250145522Sdarrenrextern int copyoutptr __P((void *, void *, size_t)); 1251145522Sdarrenrextern int fr_fastroute __P((mb_t *, mb_t **, fr_info_t *, frdest_t *)); 1252145522Sdarrenrextern int fr_inobj __P((void *, void *, int)); 1253145522Sdarrenrextern int fr_inobjsz __P((void *, void *, int, int)); 1254145522Sdarrenrextern int fr_ioctlswitch __P((int, void *, ioctlcmd_t, int)); 1255145522Sdarrenrextern int fr_ipftune __P((ioctlcmd_t, void *)); 1256145522Sdarrenrextern int fr_outobj __P((void *, void *, int)); 1257145522Sdarrenrextern int fr_outobjsz __P((void *, void *, int, int)); 1258145522Sdarrenrextern void *fr_pullup __P((mb_t *, fr_info_t *, int)); 1259145522Sdarrenrextern void fr_resolvedest __P((struct frdest *, int)); 1260145522Sdarrenrextern int fr_resolvefunc __P((void *)); 1261145522Sdarrenrextern void *fr_resolvenic __P((char *, int)); 1262145522Sdarrenrextern int fr_send_icmp_err __P((int, fr_info_t *, int)); 1263145522Sdarrenrextern int fr_send_reset __P((fr_info_t *)); 1264145522Sdarrenr#if (__FreeBSD_version < 490000) || !defined(_KERNEL) 1265145522Sdarrenrextern int ppsratecheck __P((struct timeval *, int *, int)); 1266145522Sdarrenr#endif 1267145522Sdarrenrextern ipftq_t *fr_addtimeoutqueue __P((ipftq_t **, u_int)); 1268145522Sdarrenrextern void fr_deletequeueentry __P((ipftqent_t *)); 1269145522Sdarrenrextern int fr_deletetimeoutqueue __P((ipftq_t *)); 1270145522Sdarrenrextern void fr_freetimeoutqueue __P((ipftq_t *)); 1271145522Sdarrenrextern void fr_movequeue __P((ipftqent_t *, ipftq_t *, ipftq_t *)); 1272145522Sdarrenrextern void fr_queueappend __P((ipftqent_t *, ipftq_t *, void *)); 1273145522Sdarrenrextern void fr_queueback __P((ipftqent_t *)); 1274145522Sdarrenrextern void fr_queuefront __P((ipftqent_t *)); 1275145522Sdarrenrextern void fr_checkv4sum __P((fr_info_t *)); 1276145522Sdarrenrextern int fr_checkl4sum __P((fr_info_t *)); 1277145522Sdarrenrextern int fr_ifpfillv4addr __P((int, struct sockaddr_in *, 1278145522Sdarrenr struct sockaddr_in *, struct in_addr *, 1279145522Sdarrenr struct in_addr *)); 1280145522Sdarrenrextern int fr_coalesce __P((fr_info_t *)); 1281145522Sdarrenr#ifdef USE_INET6 1282145522Sdarrenrextern void fr_checkv6sum __P((fr_info_t *)); 1283145522Sdarrenrextern int fr_ifpfillv6addr __P((int, struct sockaddr_in6 *, 1284145522Sdarrenr struct sockaddr_in6 *, struct in_addr *, 1285145522Sdarrenr struct in_addr *)); 1286145522Sdarrenr#endif 128760851Sdarrenr 1288145522Sdarrenrextern int fr_addipftune __P((ipftuneable_t *)); 1289145522Sdarrenrextern int fr_delipftune __P((ipftuneable_t *)); 1290145522Sdarrenr 1291145522Sdarrenrextern int frflush __P((minor_t, int, int)); 1292145522Sdarrenrextern void frsync __P((void *)); 1293145522Sdarrenrextern frgroup_t *fr_addgroup __P((char *, void *, u_32_t, minor_t, int)); 1294145522Sdarrenrextern int fr_derefrule __P((frentry_t **)); 1295145522Sdarrenrextern void fr_delgroup __P((char *, minor_t, int)); 1296145522Sdarrenrextern frgroup_t *fr_findgroup __P((char *, minor_t, int, frgroup_t ***)); 1297145522Sdarrenr 1298145522Sdarrenrextern int fr_loginit __P((void)); 129992685Sdarrenrextern int ipflog_clear __P((minor_t)); 1300145522Sdarrenrextern int ipflog_read __P((minor_t, uio_t *)); 1301145522Sdarrenrextern int ipflog __P((fr_info_t *, u_int)); 130292685Sdarrenrextern int ipllog __P((int, fr_info_t *, void **, size_t *, int *, int)); 1303145522Sdarrenrextern void fr_logunload __P((void)); 130492685Sdarrenr 1305145522Sdarrenrextern frentry_t *fr_acctpkt __P((fr_info_t *, u_32_t *)); 1306145522Sdarrenrextern int fr_copytolog __P((int, char *, int)); 1307145522Sdarrenrextern u_short fr_cksum __P((mb_t *, ip_t *, int, void *)); 1308145522Sdarrenrextern void fr_deinitialise __P((void)); 1309145522Sdarrenrextern frentry_t *fr_dolog __P((fr_info_t *, u_32_t *)); 1310145522Sdarrenrextern frentry_t *fr_dstgrpmap __P((fr_info_t *, u_32_t *)); 1311145522Sdarrenrextern void fr_fixskip __P((frentry_t **, frentry_t *, int)); 1312145522Sdarrenrextern void fr_forgetifp __P((void *)); 1313145522Sdarrenrextern frentry_t *fr_getrulen __P((int, char *, u_32_t)); 1314145522Sdarrenrextern void fr_getstat __P((struct friostat *)); 1315145522Sdarrenrextern int fr_icmp4errortype __P((int)); 1316145522Sdarrenrextern int fr_ifpaddr __P((int, int, void *, 1317145522Sdarrenr struct in_addr *, struct in_addr *)); 1318145522Sdarrenrextern int fr_initialise __P((void)); 1319145522Sdarrenrextern void fr_lock __P((caddr_t, int *)); 1320145522Sdarrenrextern int fr_makefrip __P((int, ip_t *, fr_info_t *)); 1321145522Sdarrenrextern int fr_matchtag __P((ipftag_t *, ipftag_t *)); 1322145522Sdarrenrextern int fr_matchicmpqueryreply __P((int, icmpinfo_t *, 1323145522Sdarrenr struct icmp *, int)); 1324145522Sdarrenrextern u_32_t fr_newisn __P((fr_info_t *)); 1325145522Sdarrenrextern u_short fr_nextipid __P((fr_info_t *)); 1326145522Sdarrenrextern int fr_rulen __P((int, frentry_t *)); 1327145522Sdarrenrextern int fr_scanlist __P((fr_info_t *, u_32_t)); 1328145522Sdarrenrextern frentry_t *fr_srcgrpmap __P((fr_info_t *, u_32_t *)); 1329145522Sdarrenrextern int fr_tcpudpchk __P((fr_info_t *, frtuc_t *)); 1330145522Sdarrenrextern int fr_verifysrc __P((fr_info_t *fin)); 1331145522Sdarrenrextern int fr_zerostats __P((char *)); 133260851Sdarrenr 133357096Sguidoextern int fr_running; 1334145522Sdarrenrextern u_long fr_frouteok[2]; 133553642Sguidoextern int fr_pass; 133653642Sguidoextern int fr_flags; 133753642Sguidoextern int fr_active; 133860851Sdarrenrextern int fr_chksrc; 133972006Sdarrenrextern int fr_minttl; 1340145522Sdarrenrextern int fr_refcnt; 1341145522Sdarrenrextern int fr_control_forwarding; 1342145522Sdarrenrextern int fr_update_ipid; 1343145522Sdarrenrextern int nat_logging; 1344145522Sdarrenrextern int ipstate_logging; 1345145522Sdarrenrextern int ipl_suppress; 1346145522Sdarrenrextern int ipl_buffer_sz; 1347145522Sdarrenrextern int ipl_logmax; 1348145522Sdarrenrextern int ipl_logall; 1349145522Sdarrenrextern int ipl_logsize; 1350145522Sdarrenrextern u_long fr_ticks; 1351145522Sdarrenrextern fr_info_t frcache[2][8]; 135253642Sguidoextern char ipfilter_version[]; 135353642Sguidoextern iplog_t **iplh[IPL_LOGMAX+1], *iplt[IPL_LOGMAX+1]; 1354145522Sdarrenrextern int iplused[IPL_LOGMAX + 1]; 135560851Sdarrenrextern struct frentry *ipfilter[2][2], *ipacct[2][2]; 135660851Sdarrenr#ifdef USE_INET6 135760851Sdarrenrextern struct frentry *ipfilter6[2][2], *ipacct6[2][2]; 135860851Sdarrenrextern int icmptoicmp6types[ICMP_MAXTYPE+1]; 135960851Sdarrenrextern int icmptoicmp6unreach[ICMP_MAX_UNREACH]; 1360145522Sdarrenrextern int icmpreplytype6[ICMP6_MAXTYPE + 1]; 136153642Sguido#endif 1362145522Sdarrenrextern int icmpreplytype4[ICMP_MAXTYPE + 1]; 1363145522Sdarrenrextern struct frgroup *ipfgroups[IPL_LOGSIZE][2]; 136453642Sguidoextern struct filterstats frstats[]; 1365145522Sdarrenrextern frentry_t *ipfrule_match __P((fr_info_t *)); 1366145522Sdarrenrextern u_char ipf_iss_secret[32]; 1367145522Sdarrenrextern ipftuneable_t ipf_tuneables[]; 136853642Sguido 136953642Sguido#endif /* __IP_FIL_H__ */ 1370