pfvar.h revision 130613
1126261Smlaier/* $FreeBSD: head/sys/contrib/pf/net/pfvar.h 130613 2004-06-16 23:24:02Z mlaier $ */ 2130613Smlaier/* $OpenBSD: pfvar.h,v 1.187 2004/03/22 04:54:18 mcbride Exp $ */ 3126258Smlaier 4126258Smlaier/* 5126258Smlaier * Copyright (c) 2001 Daniel Hartmeier 6126258Smlaier * All rights reserved. 7126258Smlaier * 8126258Smlaier * Redistribution and use in source and binary forms, with or without 9126258Smlaier * modification, are permitted provided that the following conditions 10126258Smlaier * are met: 11126258Smlaier * 12126258Smlaier * - Redistributions of source code must retain the above copyright 13126258Smlaier * notice, this list of conditions and the following disclaimer. 14126258Smlaier * - Redistributions in binary form must reproduce the above 15126258Smlaier * copyright notice, this list of conditions and the following 16126258Smlaier * disclaimer in the documentation and/or other materials provided 17126258Smlaier * with the distribution. 18126258Smlaier * 19126258Smlaier * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20126258Smlaier * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21126258Smlaier * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22126258Smlaier * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23126258Smlaier * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24126258Smlaier * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25126258Smlaier * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26126258Smlaier * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 27126258Smlaier * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28126258Smlaier * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29126258Smlaier * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30126258Smlaier * POSSIBILITY OF SUCH DAMAGE. 31126258Smlaier * 32126258Smlaier */ 33126258Smlaier 34126258Smlaier#ifndef _NET_PFVAR_H_ 35126258Smlaier#define _NET_PFVAR_H_ 36126258Smlaier 37126258Smlaier#include <sys/types.h> 38126258Smlaier#include <sys/queue.h> 39126258Smlaier#include <sys/tree.h> 40126258Smlaier 41126258Smlaier#include <net/radix.h> 42127145Smlaier#ifdef __FreeBSD__ 43126261Smlaier#include <vm/uma.h> 44126261Smlaier#else 45126258Smlaier#include <netinet/ip_ipsp.h> 46126261Smlaier#endif 47126261Smlaier 48127145Smlaier#ifdef __FreeBSD__ 49126261Smlaier#include <netinet/in.h> 50126261Smlaier/* 51126261Smlaier * XXX 52126261Smlaier * If we include <netipsec/keydb.h>, we need _KERNEL definition. 53126261Smlaier * This makes pfctl compilation difficult. 54126261Smlaier */ 55126261Smlaierunion sockaddr_union { 56126261Smlaier struct sockaddr sa; 57126261Smlaier struct sockaddr_in sin; 58126261Smlaier struct sockaddr_in6 sin6; 59126261Smlaier}; 60126261Smlaier#endif 61126261Smlaier 62126258Smlaier#include <netinet/tcp_fsm.h> 63126258Smlaier 64126258Smlaierstruct ip; 65126258Smlaier 66126258Smlaier#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0) 67126258Smlaier#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1) 68126258Smlaier 69126258Smlaierenum { PF_INOUT, PF_IN, PF_OUT }; 70130613Smlaierenum { PF_LAN_EXT, PF_EXT_GWY, PF_ID }; 71126258Smlaierenum { PF_PASS, PF_DROP, PF_SCRUB, PF_NAT, PF_NONAT, 72126258Smlaier PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP }; 73126258Smlaierenum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT, 74126258Smlaier PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX }; 75126258Smlaierenum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT, 76126258Smlaier PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG }; 77126258Smlaierenum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY }; 78126258Smlaierenum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL, 79126258Smlaier PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER, 80126258Smlaier PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET }; 81126258Smlaier/* 82126258Smlaier * Note about PFTM_*: real indices into pf_rule.timeout[] come before 83126258Smlaier * PFTM_MAX, special cases afterwards. See pf_state_expires(). 84126258Smlaier */ 85126258Smlaierenum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED, 86126258Smlaier PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED, 87126258Smlaier PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE, 88126258Smlaier PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY, 89126258Smlaier PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE, 90126258Smlaier PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL, 91130613Smlaier PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE, 92130613Smlaier PFTM_MAX, PFTM_PURGE, PFTM_UNTIL_PACKET }; 93126258Smlaierenum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO }; 94130613Smlaierenum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, PF_LIMIT_MAX }; 95126258Smlaier#define PF_POOL_IDMASK 0x0f 96126258Smlaierenum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM, 97126258Smlaier PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN }; 98126258Smlaierenum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL, 99126258Smlaier PF_ADDR_TABLE }; 100126258Smlaier#define PF_POOL_TYPEMASK 0x0f 101130613Smlaier#define PF_POOL_STICKYADDR 0x20 102126258Smlaier#define PF_WSCALE_FLAG 0x80 103126258Smlaier#define PF_WSCALE_MASK 0x0f 104126258Smlaier 105126258Smlaierstruct pf_addr { 106126258Smlaier union { 107126258Smlaier struct in_addr v4; 108126258Smlaier struct in6_addr v6; 109126258Smlaier u_int8_t addr8[16]; 110126258Smlaier u_int16_t addr16[8]; 111126258Smlaier u_int32_t addr32[4]; 112126258Smlaier } pfa; /* 128-bit address */ 113126258Smlaier#define v4 pfa.v4 114126258Smlaier#define v6 pfa.v6 115126258Smlaier#define addr8 pfa.addr8 116126258Smlaier#define addr16 pfa.addr16 117126258Smlaier#define addr32 pfa.addr32 118126258Smlaier}; 119126258Smlaier 120126258Smlaier#define PF_TABLE_NAME_SIZE 32 121126258Smlaier 122130613Smlaier#define PFI_AFLAG_NETWORK 0x01 123130613Smlaier#define PFI_AFLAG_BROADCAST 0x02 124130613Smlaier#define PFI_AFLAG_PEER 0x04 125130613Smlaier#define PFI_AFLAG_MODEMASK 0x07 126130613Smlaier#define PFI_AFLAG_NOALIAS 0x08 127130613Smlaier 128126258Smlaierstruct pf_addr_wrap { 129126258Smlaier union { 130126258Smlaier struct { 131126258Smlaier struct pf_addr addr; 132126258Smlaier struct pf_addr mask; 133126258Smlaier } a; 134126258Smlaier char ifname[IFNAMSIZ]; 135126258Smlaier char tblname[PF_TABLE_NAME_SIZE]; 136126258Smlaier } v; 137126258Smlaier union { 138130613Smlaier struct pfi_dynaddr *dyn; 139126258Smlaier struct pfr_ktable *tbl; 140130613Smlaier int dyncnt; 141126258Smlaier int tblcnt; 142126258Smlaier } p; 143126258Smlaier u_int8_t type; /* PF_ADDR_* */ 144130613Smlaier u_int8_t iflags; /* PFI_AFLAG_* */ 145126258Smlaier}; 146126258Smlaier 147127145Smlaier#ifdef _KERNEL 148127145Smlaier 149130613Smlaierstruct pfi_dynaddr { 150130613Smlaier struct pf_addr pfid_addr4; 151130613Smlaier struct pf_addr pfid_mask4; 152130613Smlaier struct pf_addr pfid_addr6; 153130613Smlaier struct pf_addr pfid_mask6; 154130613Smlaier struct pfr_ktable *pfid_kt; 155130613Smlaier struct pfi_kif *pfid_kif; 156130613Smlaier void *pfid_hook_cookie; 157130613Smlaier int pfid_net; /* optional mask, or 128 */ 158130613Smlaier int pfid_acnt4; /* address count, IPv4 */ 159130613Smlaier int pfid_acnt6; /* address count, IPv6 */ 160130613Smlaier sa_family_t pfid_af; /* rule address family */ 161130613Smlaier u_int8_t pfid_iflags; /* PFI_AFLAG_* */ 162126258Smlaier}; 163126258Smlaier 164126258Smlaier/* 165126258Smlaier * Address manipulation macros 166126258Smlaier */ 167126258Smlaier 168127145Smlaier#ifdef __FreeBSD__ 169126261Smlaier#define splsoftnet() splnet() 170126261Smlaier 171126263Smlaier#define HTONL(x) (x) = htonl((__uint32_t)(x)) 172126263Smlaier#define HTONS(x) (x) = htons((__uint16_t)(x)) 173126263Smlaier#define NTOHL(x) (x) = ntohl((__uint32_t)(x)) 174126263Smlaier#define NTOHS(x) (x) = ntohs((__uint16_t)(x)) 175126263Smlaier 176126261Smlaier#define PF_NAME "pf" 177126261Smlaier 178126261Smlaier#define PR_NOWAIT M_NOWAIT 179126261Smlaier#define pool_get(p, f) uma_zalloc(*(p), (f)) 180126261Smlaier#define pool_put(p, o) uma_zfree(*(p), (o)) 181126261Smlaier 182126261Smlaier#define UMA_CREATE(var, type, desc) \ 183126261Smlaier var = uma_zcreate(desc, sizeof(type), \ 184126261Smlaier NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); \ 185126261Smlaier if (var == NULL) break 186126261Smlaier#define UMA_DESTROY(var) \ 187126261Smlaier if(var) uma_zdestroy(var) 188126261Smlaier 189126261Smlaierextern struct mtx pf_task_mtx; 190126261Smlaier 191126261Smlaier#define PF_ASSERT(h) mtx_assert(&pf_task_mtx, (h)) 192126261Smlaier 193126261Smlaier#define PF_LOCK() do { \ 194126261Smlaier PF_ASSERT(MA_NOTOWNED); \ 195126261Smlaier mtx_lock(&pf_task_mtx); \ 196126261Smlaier} while(0) 197126261Smlaier#define PF_UNLOCK() do { \ 198126261Smlaier PF_ASSERT(MA_OWNED); \ 199126261Smlaier mtx_unlock(&pf_task_mtx); \ 200126261Smlaier} while(0) 201126261Smlaier 202126261Smlaier#define PF_COPYIN(uaddr, kaddr, len, r) do { \ 203126261Smlaier PF_UNLOCK(); \ 204126261Smlaier r = copyin((uaddr), (kaddr), (len)); \ 205126261Smlaier PF_LOCK(); \ 206126261Smlaier} while(0) 207126261Smlaier 208126261Smlaier#define PF_COPYOUT(kaddr, uaddr, len, r) do { \ 209126261Smlaier PF_UNLOCK(); \ 210126261Smlaier r = copyout((kaddr), (uaddr), (len)); \ 211126261Smlaier PF_LOCK(); \ 212126261Smlaier} while(0) 213126261Smlaier 214126261Smlaierextern void init_pf_mutex(void); 215126261Smlaierextern void destroy_pf_mutex(void); 216126261Smlaier 217126261Smlaier#define PF_MODVER 1 218126261Smlaier#define PFLOG_MODVER 1 219126261Smlaier#define PFSYNC_MODVER 1 220126261Smlaier 221126261Smlaier#define PFLOG_MINVER 1 222126261Smlaier#define PFLOG_PREFVER PFLOG_MODVER 223126261Smlaier#define PFLOG_MAXVER 1 224126261Smlaier#define PFSYNC_MINVER 1 225126261Smlaier#define PFSYNC_PREFVER PFSYNC_MODVER 226126261Smlaier#define PFSYNC_MAXVER 1 227126261Smlaier 228130613Smlaier/* prototyped for pf_subr.c */ 229130613Smlaierstruct hook_desc { 230130613Smlaier TAILQ_ENTRY(hook_desc) hd_list; 231130613Smlaier void (*hd_fn)(void *); 232130613Smlaier void *hd_arg; 233130613Smlaier}; 234130613SmlaierTAILQ_HEAD(hook_desc_head, hook_desc); 235130613Smlaier 236130613Smlaiervoid *hook_establish(struct hook_desc_head *, int, void (*)(void *), void *); 237130613Smlaiervoid hook_disestablish(struct hook_desc_head *, void *); 238130613Smlaiervoid dohooks(struct hook_desc_head *, int); 239130613Smlaier 240130613Smlaier#define HOOK_REMOVE 0x01 241130613Smlaier#define HOOK_FREE 0x02 242130613Smlaier#endif /* __FreeBSD__ */ 243130613Smlaier 244126258Smlaier#ifdef INET 245126258Smlaier#ifndef INET6 246126258Smlaier#define PF_INET_ONLY 247126258Smlaier#endif /* ! INET6 */ 248126258Smlaier#endif /* INET */ 249126258Smlaier 250126258Smlaier#ifdef INET6 251126258Smlaier#ifndef INET 252126258Smlaier#define PF_INET6_ONLY 253126258Smlaier#endif /* ! INET */ 254126258Smlaier#endif /* INET6 */ 255126258Smlaier 256126258Smlaier#ifdef INET 257126258Smlaier#ifdef INET6 258126258Smlaier#define PF_INET_INET6 259126258Smlaier#endif /* INET6 */ 260126258Smlaier#endif /* INET */ 261126258Smlaier 262126258Smlaier#else 263126258Smlaier 264126258Smlaier#define PF_INET_INET6 265126258Smlaier 266126258Smlaier#endif /* _KERNEL */ 267126258Smlaier 268126258Smlaier/* Both IPv4 and IPv6 */ 269126258Smlaier#ifdef PF_INET_INET6 270126258Smlaier 271126258Smlaier#define PF_AEQ(a, b, c) \ 272126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 273126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 274126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 275126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 276126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 277126258Smlaier 278126258Smlaier#define PF_ANEQ(a, b, c) \ 279126258Smlaier ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 280126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 281126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 282126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 283126258Smlaier (a)->addr32[0] != (b)->addr32[0])) \ 284126258Smlaier 285126258Smlaier#define PF_AZERO(a, c) \ 286126258Smlaier ((c == AF_INET && !(a)->addr32[0]) || \ 287126258Smlaier (!(a)->addr32[0] && !(a)->addr32[1] && \ 288126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 289126258Smlaier 290126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 291126258Smlaier pf_match_addr(n, a, m, b, f) 292126258Smlaier 293126258Smlaier#define PF_ACPY(a, b, f) \ 294126258Smlaier pf_addrcpy(a, b, f) 295126258Smlaier 296126258Smlaier#define PF_AINC(a, f) \ 297126258Smlaier pf_addr_inc(a, f) 298126258Smlaier 299126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 300126258Smlaier pf_poolmask(a, b, c, d, f) 301126258Smlaier 302126258Smlaier#else 303126258Smlaier 304126258Smlaier/* Just IPv6 */ 305126258Smlaier 306126258Smlaier#ifdef PF_INET6_ONLY 307126258Smlaier 308126258Smlaier#define PF_AEQ(a, b, c) \ 309126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 310126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 311126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 312126258Smlaier (a)->addr32[0] == (b)->addr32[0]) \ 313126258Smlaier 314126258Smlaier#define PF_ANEQ(a, b, c) \ 315126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 316126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 317126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 318126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 319126258Smlaier 320126258Smlaier#define PF_AZERO(a, c) \ 321126258Smlaier (!(a)->addr32[0] && \ 322126258Smlaier !(a)->addr32[1] && \ 323126258Smlaier !(a)->addr32[2] && \ 324126258Smlaier !(a)->addr32[3] ) \ 325126258Smlaier 326126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 327126258Smlaier pf_match_addr(n, a, m, b, f) 328126258Smlaier 329126258Smlaier#define PF_ACPY(a, b, f) \ 330126258Smlaier pf_addrcpy(a, b, f) 331126258Smlaier 332126258Smlaier#define PF_AINC(a, f) \ 333126258Smlaier pf_addr_inc(a, f) 334126258Smlaier 335126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 336126258Smlaier pf_poolmask(a, b, c, d, f) 337126258Smlaier 338126258Smlaier#else 339126258Smlaier 340126258Smlaier/* Just IPv4 */ 341126258Smlaier#ifdef PF_INET_ONLY 342126258Smlaier 343126258Smlaier#define PF_AEQ(a, b, c) \ 344126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 345126258Smlaier 346126258Smlaier#define PF_ANEQ(a, b, c) \ 347126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 348126258Smlaier 349126258Smlaier#define PF_AZERO(a, c) \ 350126258Smlaier (!(a)->addr32[0]) 351126258Smlaier 352126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 353126258Smlaier pf_match_addr(n, a, m, b, f) 354126258Smlaier 355126258Smlaier#define PF_ACPY(a, b, f) \ 356126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 357126258Smlaier 358126258Smlaier#define PF_AINC(a, f) \ 359126258Smlaier do { \ 360126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 361126258Smlaier } while (0) 362126258Smlaier 363126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 364126258Smlaier do { \ 365126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 366126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 367126258Smlaier } while (0) 368126258Smlaier 369126258Smlaier#endif /* PF_INET_ONLY */ 370126258Smlaier#endif /* PF_INET6_ONLY */ 371126258Smlaier#endif /* PF_INET_INET6 */ 372126258Smlaier 373126258Smlaier#define PF_MISMATCHAW(aw, x, af, not) \ 374126258Smlaier ( \ 375126258Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 376126258Smlaier pf_routable((x), (af))) || \ 377126258Smlaier ((aw)->type == PF_ADDR_TABLE && \ 378126258Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 379126258Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 380130613Smlaier !pfi_match_addr((aw)->p.dyn, (x), (af))) || \ 381126258Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 382126258Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 383126258Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 384126258Smlaier &(aw)->v.a.mask, (x), (af)))) != \ 385126258Smlaier (not) \ 386126258Smlaier ) 387126258Smlaier 388126258Smlaierstruct pf_rule_uid { 389126258Smlaier uid_t uid[2]; 390126258Smlaier u_int8_t op; 391126258Smlaier}; 392126258Smlaier 393126258Smlaierstruct pf_rule_gid { 394126258Smlaier uid_t gid[2]; 395126258Smlaier u_int8_t op; 396126258Smlaier}; 397126258Smlaier 398126258Smlaierstruct pf_rule_addr { 399126258Smlaier struct pf_addr_wrap addr; 400126258Smlaier u_int16_t port[2]; 401126258Smlaier u_int8_t not; 402126258Smlaier u_int8_t port_op; 403126258Smlaier}; 404126258Smlaier 405126258Smlaierstruct pf_pooladdr { 406126258Smlaier struct pf_addr_wrap addr; 407126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 408126258Smlaier char ifname[IFNAMSIZ]; 409130613Smlaier struct pfi_kif *kif; 410126258Smlaier}; 411126258Smlaier 412126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 413126258Smlaier 414126258Smlaierstruct pf_poolhashkey { 415126258Smlaier union { 416126258Smlaier u_int8_t key8[16]; 417126258Smlaier u_int16_t key16[8]; 418126258Smlaier u_int32_t key32[4]; 419126258Smlaier } pfk; /* 128-bit hash key */ 420126258Smlaier#define key8 pfk.key8 421126258Smlaier#define key16 pfk.key16 422126258Smlaier#define key32 pfk.key32 423126258Smlaier}; 424126258Smlaier 425126258Smlaierstruct pf_pool { 426126258Smlaier struct pf_palist list; 427126258Smlaier struct pf_pooladdr *cur; 428126258Smlaier struct pf_poolhashkey key; 429126258Smlaier struct pf_addr counter; 430126258Smlaier int tblidx; 431126258Smlaier u_int16_t proxy_port[2]; 432126258Smlaier u_int8_t port_op; 433126258Smlaier u_int8_t opts; 434126258Smlaier}; 435126258Smlaier 436126258Smlaier 437126258Smlaier/* A packed Operating System description for fingerprinting */ 438126258Smlaiertypedef u_int32_t pf_osfp_t; 439126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 440126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 441126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 442126258Smlaier 443126258Smlaierstruct pf_osfp_entry { 444126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 445126258Smlaier pf_osfp_t fp_os; 446126258Smlaier int fp_enflags; 447126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 448126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 449126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 450126258Smlaier#define PF_OSFP_LEN 32 451126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 452126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 453126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 454126258Smlaier}; 455126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 456126258Smlaier ((a)->fp_os == (b)->fp_os && \ 457126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 458126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 459126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 460126258Smlaier 461126258Smlaier/* handle pf_osfp_t packing */ 462126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 463126258Smlaier#define _FP_UNUSED_BITS 1 464126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 465126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 466126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 467126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 468126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 469126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 470126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 471126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 472126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 473126258Smlaier} while(0) 474126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 475126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 476126258Smlaier + _FP_SUBTYPE_BITS); \ 477126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 478126258Smlaier _FP_SUBTYPE_BITS; \ 479126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 480126258Smlaier} while(0) 481126258Smlaier 482126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 483126258Smlaiertypedef u_int64_t pf_tcpopts_t; 484126258Smlaierstruct pf_os_fingerprint { 485126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 486126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 487126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 488126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 489126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 490126258Smlaier u_int16_t fp_flags; 491126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 492126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 493126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 494126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 495126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 496126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 497126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 498126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 499126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 500126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 501126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 502126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 503126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 504126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 505126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 506126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 507126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 508126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 509126258Smlaier/* TCP options packing */ 510126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 511126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 512126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 513126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 514126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 515126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 516126258Smlaier#define PF_OSFP_MAX_OPTS \ 517126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 518126258Smlaier / PF_OSFP_TCPOPT_BITS 519126258Smlaier 520126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 521126258Smlaier}; 522126258Smlaier 523126258Smlaierstruct pf_osfp_ioctl { 524126258Smlaier struct pf_osfp_entry fp_os; 525126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 526126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 527126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 528126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 529126258Smlaier u_int16_t fp_flags; 530126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 531126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 532126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 533126258Smlaier 534126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 535126258Smlaier}; 536126258Smlaier 537126258Smlaier 538126258Smlaierunion pf_rule_ptr { 539126258Smlaier struct pf_rule *ptr; 540126258Smlaier u_int32_t nr; 541126258Smlaier}; 542126258Smlaier 543126258Smlaierstruct pf_rule { 544126258Smlaier struct pf_rule_addr src; 545126258Smlaier struct pf_rule_addr dst; 546126258Smlaier#define PF_SKIP_IFP 0 547126258Smlaier#define PF_SKIP_DIR 1 548126258Smlaier#define PF_SKIP_AF 2 549126258Smlaier#define PF_SKIP_PROTO 3 550126258Smlaier#define PF_SKIP_SRC_ADDR 4 551126258Smlaier#define PF_SKIP_SRC_PORT 5 552126258Smlaier#define PF_SKIP_DST_ADDR 6 553126258Smlaier#define PF_SKIP_DST_PORT 7 554126258Smlaier#define PF_SKIP_COUNT 8 555126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 556126258Smlaier#define PF_RULE_LABEL_SIZE 64 557126258Smlaier char label[PF_RULE_LABEL_SIZE]; 558126258Smlaier#define PF_QNAME_SIZE 16 559126258Smlaier char ifname[IFNAMSIZ]; 560126258Smlaier char qname[PF_QNAME_SIZE]; 561126258Smlaier char pqname[PF_QNAME_SIZE]; 562126258Smlaier#define PF_ANCHOR_NAME_SIZE 16 563126258Smlaier char anchorname[PF_ANCHOR_NAME_SIZE]; 564126258Smlaier#define PF_TAG_NAME_SIZE 16 565126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 566126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 567126258Smlaier 568126258Smlaier TAILQ_ENTRY(pf_rule) entries; 569126258Smlaier struct pf_pool rpool; 570126258Smlaier 571126258Smlaier u_int64_t evaluations; 572126258Smlaier u_int64_t packets; 573126258Smlaier u_int64_t bytes; 574126258Smlaier 575130613Smlaier struct pfi_kif *kif; 576126258Smlaier struct pf_anchor *anchor; 577126258Smlaier 578126258Smlaier pf_osfp_t os_fingerprint; 579130613Smlaier 580130613Smlaier u_int32_t timeout[PFTM_MAX]; 581126258Smlaier u_int32_t states; 582126258Smlaier u_int32_t max_states; 583130613Smlaier u_int32_t src_nodes; 584130613Smlaier u_int32_t max_src_nodes; 585130613Smlaier u_int32_t max_src_states; 586126258Smlaier u_int32_t qid; 587126258Smlaier u_int32_t pqid; 588126258Smlaier u_int32_t rt_listid; 589126258Smlaier u_int32_t nr; 590126258Smlaier 591126258Smlaier u_int16_t return_icmp; 592126258Smlaier u_int16_t return_icmp6; 593126258Smlaier u_int16_t max_mss; 594126258Smlaier u_int16_t tag; 595126258Smlaier u_int16_t match_tag; 596126258Smlaier 597126258Smlaier struct pf_rule_uid uid; 598126258Smlaier struct pf_rule_gid gid; 599126258Smlaier 600126258Smlaier u_int32_t rule_flag; 601126258Smlaier u_int8_t action; 602126258Smlaier u_int8_t direction; 603126258Smlaier u_int8_t log; 604126258Smlaier u_int8_t quick; 605126258Smlaier u_int8_t ifnot; 606126258Smlaier u_int8_t match_tag_not; 607126258Smlaier u_int8_t natpass; 608126258Smlaier 609126258Smlaier#define PF_STATE_NORMAL 0x1 610126258Smlaier#define PF_STATE_MODULATE 0x2 611126258Smlaier#define PF_STATE_SYNPROXY 0x3 612126258Smlaier u_int8_t keep_state; 613126258Smlaier sa_family_t af; 614126258Smlaier u_int8_t proto; 615126258Smlaier u_int8_t type; 616126258Smlaier u_int8_t code; 617126258Smlaier u_int8_t flags; 618126258Smlaier u_int8_t flagset; 619126258Smlaier u_int8_t min_ttl; 620126258Smlaier u_int8_t allow_opts; 621126258Smlaier u_int8_t rt; 622126258Smlaier u_int8_t return_ttl; 623126258Smlaier u_int8_t tos; 624126258Smlaier}; 625126258Smlaier 626126258Smlaier/* rule flags */ 627126258Smlaier#define PFRULE_DROP 0x0000 628126258Smlaier#define PFRULE_RETURNRST 0x0001 629126258Smlaier#define PFRULE_FRAGMENT 0x0002 630126258Smlaier#define PFRULE_RETURNICMP 0x0004 631126258Smlaier#define PFRULE_RETURN 0x0008 632130613Smlaier#define PFRULE_NOSYNC 0x0010 633130613Smlaier#define PFRULE_SRCTRACK 0x0020 /* track source states */ 634130613Smlaier#define PFRULE_RULESRCTRACK 0x0040 /* per rule */ 635126258Smlaier 636126258Smlaier/* scrub flags */ 637126258Smlaier#define PFRULE_NODF 0x0100 638126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 639126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 640126258Smlaier#define PFRULE_RANDOMID 0x0800 641126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 642126258Smlaier 643130613Smlaier/* rule flags again */ 644130613Smlaier#define PFRULE_IFBOUND 0x00010000 /* if-bound */ 645130613Smlaier#define PFRULE_GRBOUND 0x00020000 /* group-bound */ 646130613Smlaier 647126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 648126258Smlaier 649130613Smlaierstruct pf_src_node { 650130613Smlaier RB_ENTRY(pf_src_node) entry; 651130613Smlaier struct pf_addr addr; 652130613Smlaier struct pf_addr raddr; 653130613Smlaier union pf_rule_ptr rule; 654130613Smlaier struct pfi_kif *kif; 655130613Smlaier u_int32_t bytes; 656130613Smlaier u_int32_t packets; 657130613Smlaier u_int32_t states; 658130613Smlaier u_int32_t creation; 659130613Smlaier u_int32_t expire; 660130613Smlaier sa_family_t af; 661130613Smlaier u_int8_t ruletype; 662130613Smlaier}; 663126258Smlaier 664130613Smlaier#define PFSNODE_HIWAT 10000 /* default source node table size */ 665130613Smlaier 666126258Smlaierstruct pf_state_scrub { 667126258Smlaier u_int16_t pfss_flags; 668126258Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 669126258Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 670126258Smlaier u_int8_t pad; 671126258Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 672126258Smlaier}; 673126258Smlaier 674126258Smlaierstruct pf_state_host { 675126258Smlaier struct pf_addr addr; 676126258Smlaier u_int16_t port; 677126258Smlaier u_int16_t pad; 678126258Smlaier}; 679126258Smlaier 680126258Smlaierstruct pf_state_peer { 681126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 682126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 683126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 684126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 685126258Smlaier u_int8_t state; /* active state level */ 686126258Smlaier u_int8_t wscale; /* window scaling factor */ 687126258Smlaier u_int16_t mss; /* Maximum segment size option */ 688126258Smlaier struct pf_state_scrub *scrub; /* state is scrubbed */ 689126258Smlaier}; 690126258Smlaier 691130613SmlaierTAILQ_HEAD(pf_state_queue, pf_state); 692130613Smlaier 693126258Smlaierstruct pf_state { 694130613Smlaier u_int64_t id; 695130613Smlaier union { 696130613Smlaier struct { 697130613Smlaier RB_ENTRY(pf_state) entry_lan_ext; 698130613Smlaier RB_ENTRY(pf_state) entry_ext_gwy; 699130613Smlaier RB_ENTRY(pf_state) entry_id; 700130613Smlaier TAILQ_ENTRY(pf_state) entry_updates; 701130613Smlaier struct pfi_kif *kif; 702130613Smlaier } s; 703130613Smlaier char ifname[IFNAMSIZ]; 704130613Smlaier } u; 705126258Smlaier struct pf_state_host lan; 706126258Smlaier struct pf_state_host gwy; 707126258Smlaier struct pf_state_host ext; 708126258Smlaier struct pf_state_peer src; 709126258Smlaier struct pf_state_peer dst; 710126258Smlaier union pf_rule_ptr rule; 711126258Smlaier union pf_rule_ptr anchor; 712126258Smlaier union pf_rule_ptr nat_rule; 713126258Smlaier struct pf_addr rt_addr; 714130613Smlaier struct pfi_kif *rt_kif; 715130613Smlaier struct pf_src_node *src_node; 716130613Smlaier struct pf_src_node *nat_src_node; 717126258Smlaier u_int32_t creation; 718126258Smlaier u_int32_t expire; 719130613Smlaier u_int32_t pfsync_time; 720126258Smlaier u_int32_t packets[2]; 721126258Smlaier u_int32_t bytes[2]; 722130613Smlaier u_int32_t creatorid; 723126258Smlaier sa_family_t af; 724126258Smlaier u_int8_t proto; 725126258Smlaier u_int8_t direction; 726126258Smlaier u_int8_t log; 727126258Smlaier u_int8_t allow_opts; 728126258Smlaier u_int8_t timeout; 729130613Smlaier u_int8_t sync_flags; 730130613Smlaier#define PFSTATE_NOSYNC 0x01 731130613Smlaier#define PFSTATE_FROMSYNC 0x02 732130613Smlaier u_int8_t pad; 733126258Smlaier}; 734126258Smlaier 735126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 736126258Smlaier 737126258Smlaierstruct pf_anchor; 738126258Smlaier 739126258Smlaierstruct pf_ruleset { 740126258Smlaier TAILQ_ENTRY(pf_ruleset) entries; 741126258Smlaier#define PF_RULESET_NAME_SIZE 16 742126258Smlaier char name[PF_RULESET_NAME_SIZE]; 743126258Smlaier struct { 744126258Smlaier struct pf_rulequeue queues[2]; 745126258Smlaier struct { 746126258Smlaier struct pf_rulequeue *ptr; 747126258Smlaier u_int32_t ticket; 748130613Smlaier int open; 749126258Smlaier } active, inactive; 750126258Smlaier } rules[PF_RULESET_MAX]; 751126258Smlaier struct pf_anchor *anchor; 752126258Smlaier u_int32_t tticket; 753126258Smlaier int tables; 754126258Smlaier int topen; 755126258Smlaier}; 756126258Smlaier 757126258SmlaierTAILQ_HEAD(pf_rulesetqueue, pf_ruleset); 758126258Smlaier 759126258Smlaierstruct pf_anchor { 760126258Smlaier TAILQ_ENTRY(pf_anchor) entries; 761126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 762126258Smlaier struct pf_rulesetqueue rulesets; 763126258Smlaier int tables; 764126258Smlaier}; 765126258Smlaier 766126258SmlaierTAILQ_HEAD(pf_anchorqueue, pf_anchor); 767126258Smlaier 768130613Smlaier#define PF_RESERVED_ANCHOR "_pf" 769130613Smlaier#define PF_INTERFACE_RULESET "_if" 770130613Smlaier 771126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 772126258Smlaier#define PFR_TFLAG_CONST 0x00000002 773126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 774126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 775126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 776126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 777126258Smlaier#define PFR_TFLAG_USRMASK 0x00000003 778126258Smlaier#define PFR_TFLAG_SETMASK 0x0000003C 779126258Smlaier#define PFR_TFLAG_ALLMASK 0x0000003F 780126258Smlaier 781126258Smlaierstruct pfr_table { 782126258Smlaier char pfrt_anchor[PF_ANCHOR_NAME_SIZE]; 783126258Smlaier char pfrt_ruleset[PF_RULESET_NAME_SIZE]; 784126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 785126258Smlaier u_int32_t pfrt_flags; 786126258Smlaier u_int8_t pfrt_fback; 787126258Smlaier}; 788126258Smlaier 789126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 790126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 791126258Smlaier PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX }; 792126258Smlaier 793126258Smlaierstruct pfr_addr { 794126258Smlaier union { 795126258Smlaier struct in_addr _pfra_ip4addr; 796126258Smlaier struct in6_addr _pfra_ip6addr; 797126258Smlaier } pfra_u; 798126258Smlaier u_int8_t pfra_af; 799126258Smlaier u_int8_t pfra_net; 800126258Smlaier u_int8_t pfra_not; 801126258Smlaier u_int8_t pfra_fback; 802126258Smlaier}; 803126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 804126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 805126258Smlaier 806126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 807126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 808126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 809126258Smlaier 810126258Smlaierstruct pfr_astats { 811126258Smlaier struct pfr_addr pfras_a; 812126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 813126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 814126258Smlaier long pfras_tzero; 815126258Smlaier}; 816126258Smlaier 817126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 818126258Smlaier 819126258Smlaierstruct pfr_tstats { 820126258Smlaier struct pfr_table pfrts_t; 821126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 822126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 823126258Smlaier u_int64_t pfrts_match; 824126258Smlaier u_int64_t pfrts_nomatch; 825126258Smlaier long pfrts_tzero; 826126258Smlaier int pfrts_cnt; 827126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 828126258Smlaier}; 829126258Smlaier#define pfrts_name pfrts_t.pfrt_name 830126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 831126258Smlaier 832126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 833126258Smlaierstruct pfr_kentry { 834126258Smlaier struct radix_node pfrke_node[2]; 835126258Smlaier union sockaddr_union pfrke_sa; 836126258Smlaier u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 837126258Smlaier u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 838126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 839126258Smlaier long pfrke_tzero; 840126258Smlaier u_int8_t pfrke_af; 841126258Smlaier u_int8_t pfrke_net; 842126258Smlaier u_int8_t pfrke_not; 843126258Smlaier u_int8_t pfrke_mark; 844126258Smlaier}; 845126258Smlaier 846126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 847126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 848126258Smlaierstruct pfr_ktable { 849126258Smlaier struct pfr_tstats pfrkt_ts; 850126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 851126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 852126258Smlaier struct radix_node_head *pfrkt_ip4; 853126258Smlaier struct radix_node_head *pfrkt_ip6; 854126258Smlaier struct pfr_ktable *pfrkt_shadow; 855126258Smlaier struct pfr_ktable *pfrkt_root; 856126258Smlaier struct pf_ruleset *pfrkt_rs; 857130613Smlaier long pfrkt_larg; 858126258Smlaier int pfrkt_nflags; 859126258Smlaier}; 860126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 861126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 862130613Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 863130613Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 864126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 865126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 866126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 867126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 868126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 869126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 870126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 871126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 872126258Smlaier 873130613SmlaierRB_HEAD(pf_state_tree_lan_ext, pf_state); 874130613SmlaierRB_PROTOTYPE(pf_state_tree_lan_ext, pf_state, 875130613Smlaier u.s.entry_lan_ext, pf_state_compare_lan_ext); 876130613Smlaier 877130613SmlaierRB_HEAD(pf_state_tree_ext_gwy, pf_state); 878130613SmlaierRB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state, 879130613Smlaier u.s.entry_ext_gwy, pf_state_compare_ext_gwy); 880130613Smlaier 881130613Smlaierstruct pfi_if { 882130613Smlaier char pfif_name[IFNAMSIZ]; 883130613Smlaier u_int64_t pfif_packets[2][2][2]; 884130613Smlaier u_int64_t pfif_bytes[2][2][2]; 885130613Smlaier u_int64_t pfif_addcnt; 886130613Smlaier u_int64_t pfif_delcnt; 887130613Smlaier long pfif_tzero; 888130613Smlaier int pfif_states; 889130613Smlaier int pfif_rules; 890130613Smlaier int pfif_flags; 891130613Smlaier}; 892130613Smlaier 893130613SmlaierTAILQ_HEAD(pfi_grouphead, pfi_kif); 894130613SmlaierTAILQ_HEAD(pfi_statehead, pfi_kif); 895130613SmlaierRB_HEAD(pfi_ifhead, pfi_kif); 896130613Smlaierstruct pfi_kif { 897130613Smlaier struct pfi_if pfik_if; 898130613Smlaier RB_ENTRY(pfi_kif) pfik_tree; 899130613Smlaier struct pf_state_tree_lan_ext pfik_lan_ext; 900130613Smlaier struct pf_state_tree_ext_gwy pfik_ext_gwy; 901130613Smlaier struct pfi_grouphead pfik_grouphead; 902130613Smlaier TAILQ_ENTRY(pfi_kif) pfik_instances; 903130613Smlaier TAILQ_ENTRY(pfi_kif) pfik_w_states; 904130613Smlaier struct hook_desc_head *pfik_ah_head; 905130613Smlaier void *pfik_ah_cookie; 906130613Smlaier struct pfi_kif *pfik_parent; 907130613Smlaier struct ifnet *pfik_ifp; 908130613Smlaier int pfik_states; 909130613Smlaier int pfik_rules; 910130613Smlaier}; 911130613Smlaier#define pfik_name pfik_if.pfif_name 912130613Smlaier#define pfik_packets pfik_if.pfif_packets 913130613Smlaier#define pfik_bytes pfik_if.pfif_bytes 914130613Smlaier#define pfik_tzero pfik_if.pfif_tzero 915130613Smlaier#define pfik_flags pfik_if.pfif_flags 916130613Smlaier#define pfik_addcnt pfik_if.pfif_addcnt 917130613Smlaier#define pfik_delcnt pfik_if.pfif_delcnt 918130613Smlaier#define pfik_states pfik_if.pfif_states 919130613Smlaier#define pfik_rules pfik_if.pfif_rules 920130613Smlaier 921130613Smlaier#define PFI_IFLAG_GROUP 0x0001 /* group of interfaces */ 922130613Smlaier#define PFI_IFLAG_INSTANCE 0x0002 /* single instance */ 923130613Smlaier#define PFI_IFLAG_CLONABLE 0x0010 /* clonable group */ 924130613Smlaier#define PFI_IFLAG_DYNAMIC 0x0020 /* dynamic group */ 925130613Smlaier#define PFI_IFLAG_ATTACHED 0x0040 /* interface attached */ 926130613Smlaier#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */ 927130613Smlaier 928126258Smlaierstruct pf_pdesc { 929126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 930126258Smlaier union { 931126258Smlaier struct tcphdr *tcp; 932126258Smlaier struct udphdr *udp; 933126258Smlaier struct icmp *icmp; 934126258Smlaier#ifdef INET6 935126258Smlaier struct icmp6_hdr *icmp6; 936126258Smlaier#endif /* INET6 */ 937126258Smlaier void *any; 938126258Smlaier } hdr; 939130613Smlaier struct pf_addr baddr; /* address before translation */ 940130613Smlaier struct pf_addr naddr; /* address after translation */ 941130613Smlaier struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */ 942126258Smlaier struct pf_addr *src; 943126258Smlaier struct pf_addr *dst; 944126258Smlaier u_int16_t *ip_sum; 945126258Smlaier u_int32_t p_len; /* total length of payload */ 946126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 947126258Smlaier * state code. Easier than tags */ 948126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 949126258Smlaier sa_family_t af; 950126258Smlaier u_int8_t proto; 951126258Smlaier u_int8_t tos; 952126258Smlaier}; 953126258Smlaier 954126258Smlaier/* flags for RDR options */ 955126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 956126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 957126258Smlaier 958126258Smlaier/* Reasons code for passing/dropping a packet */ 959126258Smlaier#define PFRES_MATCH 0 /* Explicit match of a rule */ 960126258Smlaier#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 961126258Smlaier#define PFRES_FRAG 2 /* Dropping following fragment */ 962126258Smlaier#define PFRES_SHORT 3 /* Dropping short packet */ 963126258Smlaier#define PFRES_NORM 4 /* Dropping by normalizer */ 964126258Smlaier#define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 965126258Smlaier#define PFRES_MAX 6 /* total+1 */ 966126258Smlaier 967126258Smlaier#define PFRES_NAMES { \ 968126258Smlaier "match", \ 969126258Smlaier "bad-offset", \ 970126258Smlaier "fragment", \ 971126258Smlaier "short", \ 972126258Smlaier "normalize", \ 973126258Smlaier "memory", \ 974126258Smlaier NULL \ 975126258Smlaier} 976126258Smlaier 977126258Smlaier/* UDP state enumeration */ 978126258Smlaier#define PFUDPS_NO_TRAFFIC 0 979126258Smlaier#define PFUDPS_SINGLE 1 980126258Smlaier#define PFUDPS_MULTIPLE 2 981126258Smlaier 982126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 983126258Smlaier 984126258Smlaier#define PFUDPS_NAMES { \ 985126258Smlaier "NO_TRAFFIC", \ 986126258Smlaier "SINGLE", \ 987126258Smlaier "MULTIPLE", \ 988126258Smlaier NULL \ 989126258Smlaier} 990126258Smlaier 991126258Smlaier/* Other protocol state enumeration */ 992126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 993126258Smlaier#define PFOTHERS_SINGLE 1 994126258Smlaier#define PFOTHERS_MULTIPLE 2 995126258Smlaier 996126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 997126258Smlaier 998126258Smlaier#define PFOTHERS_NAMES { \ 999126258Smlaier "NO_TRAFFIC", \ 1000126258Smlaier "SINGLE", \ 1001126258Smlaier "MULTIPLE", \ 1002126258Smlaier NULL \ 1003126258Smlaier} 1004126258Smlaier 1005126258Smlaier#define FCNT_STATE_SEARCH 0 1006126258Smlaier#define FCNT_STATE_INSERT 1 1007126258Smlaier#define FCNT_STATE_REMOVALS 2 1008126258Smlaier#define FCNT_MAX 3 1009126258Smlaier 1010130613Smlaier#define SCNT_SRC_NODE_SEARCH 0 1011130613Smlaier#define SCNT_SRC_NODE_INSERT 1 1012130613Smlaier#define SCNT_SRC_NODE_REMOVALS 2 1013130613Smlaier#define SCNT_MAX 3 1014126258Smlaier 1015126258Smlaier#define ACTION_SET(a, x) \ 1016126258Smlaier do { \ 1017126258Smlaier if ((a) != NULL) \ 1018126258Smlaier *(a) = (x); \ 1019126258Smlaier } while (0) 1020126258Smlaier 1021126258Smlaier#define REASON_SET(a, x) \ 1022126258Smlaier do { \ 1023126258Smlaier if ((a) != NULL) \ 1024126258Smlaier *(a) = (x); \ 1025126258Smlaier if (x < PFRES_MAX) \ 1026126258Smlaier pf_status.counters[x]++; \ 1027126258Smlaier } while (0) 1028126258Smlaier 1029126258Smlaierstruct pf_status { 1030126258Smlaier u_int64_t counters[PFRES_MAX]; 1031126258Smlaier u_int64_t fcounters[FCNT_MAX]; 1032130613Smlaier u_int64_t scounters[SCNT_MAX]; 1033126258Smlaier u_int64_t pcounters[2][2][3]; 1034126258Smlaier u_int64_t bcounters[2][2]; 1035130613Smlaier u_int64_t stateid; 1036126258Smlaier u_int32_t running; 1037126258Smlaier u_int32_t states; 1038130613Smlaier u_int32_t src_nodes; 1039126258Smlaier u_int32_t since; 1040126258Smlaier u_int32_t debug; 1041130613Smlaier u_int32_t hostid; 1042126258Smlaier char ifname[IFNAMSIZ]; 1043126258Smlaier}; 1044126258Smlaier 1045126258Smlaierstruct cbq_opts { 1046126258Smlaier u_int minburst; 1047126258Smlaier u_int maxburst; 1048126258Smlaier u_int pktsize; 1049126258Smlaier u_int maxpktsize; 1050126258Smlaier u_int ns_per_byte; 1051126258Smlaier u_int maxidle; 1052126258Smlaier int minidle; 1053126258Smlaier u_int offtime; 1054126258Smlaier int flags; 1055126258Smlaier}; 1056126258Smlaier 1057126258Smlaierstruct priq_opts { 1058126258Smlaier int flags; 1059126258Smlaier}; 1060126258Smlaier 1061126258Smlaierstruct hfsc_opts { 1062126258Smlaier /* real-time service curve */ 1063126258Smlaier u_int rtsc_m1; /* slope of the 1st segment in bps */ 1064126258Smlaier u_int rtsc_d; /* the x-projection of m1 in msec */ 1065126258Smlaier u_int rtsc_m2; /* slope of the 2nd segment in bps */ 1066126258Smlaier /* link-sharing service curve */ 1067126258Smlaier u_int lssc_m1; 1068126258Smlaier u_int lssc_d; 1069126258Smlaier u_int lssc_m2; 1070126258Smlaier /* upper-limit service curve */ 1071126258Smlaier u_int ulsc_m1; 1072126258Smlaier u_int ulsc_d; 1073126258Smlaier u_int ulsc_m2; 1074126258Smlaier int flags; 1075126258Smlaier}; 1076126258Smlaier 1077126258Smlaierstruct pf_altq { 1078126258Smlaier char ifname[IFNAMSIZ]; 1079126258Smlaier 1080126258Smlaier void *altq_disc; /* discipline-specific state */ 1081126258Smlaier TAILQ_ENTRY(pf_altq) entries; 1082126258Smlaier 1083126258Smlaier /* scheduler spec */ 1084126258Smlaier u_int8_t scheduler; /* scheduler type */ 1085126258Smlaier u_int16_t tbrsize; /* tokenbucket regulator size */ 1086126258Smlaier u_int32_t ifbandwidth; /* interface bandwidth */ 1087126258Smlaier 1088126258Smlaier /* queue spec */ 1089126258Smlaier char qname[PF_QNAME_SIZE]; /* queue name */ 1090126258Smlaier char parent[PF_QNAME_SIZE]; /* parent name */ 1091126258Smlaier u_int32_t parent_qid; /* parent queue id */ 1092126258Smlaier u_int32_t bandwidth; /* queue bandwidth */ 1093126258Smlaier u_int8_t priority; /* priority */ 1094126258Smlaier u_int16_t qlimit; /* queue size limit */ 1095126258Smlaier u_int16_t flags; /* misc flags */ 1096126258Smlaier union { 1097126258Smlaier struct cbq_opts cbq_opts; 1098126258Smlaier struct priq_opts priq_opts; 1099126258Smlaier struct hfsc_opts hfsc_opts; 1100126258Smlaier } pq_u; 1101126258Smlaier 1102126258Smlaier u_int32_t qid; /* return value */ 1103126258Smlaier}; 1104126258Smlaier 1105126258Smlaierstruct pf_tag { 1106126258Smlaier u_int16_t tag; /* tag id */ 1107126258Smlaier}; 1108126258Smlaier 1109126258Smlaierstruct pf_tagname { 1110126258Smlaier TAILQ_ENTRY(pf_tagname) entries; 1111126258Smlaier char name[PF_TAG_NAME_SIZE]; 1112126258Smlaier u_int16_t tag; 1113126258Smlaier int ref; 1114126258Smlaier}; 1115126258Smlaier 1116126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 1117126258Smlaier#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */ 1118126258Smlaier#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */ 1119126258Smlaier#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */ 1120126258Smlaier 1121126258Smlaier/* 1122126258Smlaier * ioctl parameter structures 1123126258Smlaier */ 1124126258Smlaier 1125126258Smlaierstruct pfioc_pooladdr { 1126126258Smlaier u_int32_t action; 1127126258Smlaier u_int32_t ticket; 1128126258Smlaier u_int32_t nr; 1129126258Smlaier u_int32_t r_num; 1130126258Smlaier u_int8_t r_action; 1131126258Smlaier u_int8_t r_last; 1132126258Smlaier u_int8_t af; 1133126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1134126258Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1135126258Smlaier struct pf_pooladdr addr; 1136126258Smlaier}; 1137126258Smlaier 1138126258Smlaierstruct pfioc_rule { 1139126258Smlaier u_int32_t action; 1140126258Smlaier u_int32_t ticket; 1141126258Smlaier u_int32_t pool_ticket; 1142126258Smlaier u_int32_t nr; 1143126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1144126258Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1145126258Smlaier struct pf_rule rule; 1146126258Smlaier}; 1147126258Smlaier 1148126258Smlaierstruct pfioc_natlook { 1149126258Smlaier struct pf_addr saddr; 1150126258Smlaier struct pf_addr daddr; 1151126258Smlaier struct pf_addr rsaddr; 1152126258Smlaier struct pf_addr rdaddr; 1153126258Smlaier u_int16_t sport; 1154126258Smlaier u_int16_t dport; 1155126258Smlaier u_int16_t rsport; 1156126258Smlaier u_int16_t rdport; 1157126258Smlaier sa_family_t af; 1158126258Smlaier u_int8_t proto; 1159126258Smlaier u_int8_t direction; 1160126258Smlaier}; 1161126258Smlaier 1162126258Smlaierstruct pfioc_state { 1163126258Smlaier u_int32_t nr; 1164126258Smlaier struct pf_state state; 1165126258Smlaier}; 1166126258Smlaier 1167126258Smlaierstruct pfioc_state_kill { 1168126258Smlaier /* XXX returns the number of states killed in psk_af */ 1169126258Smlaier sa_family_t psk_af; 1170126258Smlaier int psk_proto; 1171126258Smlaier struct pf_rule_addr psk_src; 1172126258Smlaier struct pf_rule_addr psk_dst; 1173130613Smlaier char psk_ifname[IFNAMSIZ]; 1174126258Smlaier}; 1175126258Smlaier 1176126258Smlaierstruct pfioc_states { 1177126258Smlaier int ps_len; 1178126258Smlaier union { 1179126258Smlaier caddr_t psu_buf; 1180126258Smlaier struct pf_state *psu_states; 1181126258Smlaier } ps_u; 1182126258Smlaier#define ps_buf ps_u.psu_buf 1183126258Smlaier#define ps_states ps_u.psu_states 1184126258Smlaier}; 1185126258Smlaier 1186130613Smlaierstruct pfioc_src_nodes { 1187130613Smlaier int psn_len; 1188130613Smlaier union { 1189130613Smlaier caddr_t psu_buf; 1190130613Smlaier struct pf_src_node *psu_src_nodes; 1191130613Smlaier } psn_u; 1192130613Smlaier#define psn_buf psn_u.psu_buf 1193130613Smlaier#define psn_src_nodes psn_u.psu_src_nodes 1194130613Smlaier}; 1195130613Smlaier 1196126258Smlaierstruct pfioc_if { 1197126258Smlaier char ifname[IFNAMSIZ]; 1198126258Smlaier}; 1199126258Smlaier 1200126258Smlaierstruct pfioc_tm { 1201126258Smlaier int timeout; 1202126258Smlaier int seconds; 1203126258Smlaier}; 1204126258Smlaier 1205126258Smlaierstruct pfioc_limit { 1206126258Smlaier int index; 1207126258Smlaier unsigned limit; 1208126258Smlaier}; 1209126258Smlaier 1210126258Smlaierstruct pfioc_altq { 1211126258Smlaier u_int32_t action; 1212126258Smlaier u_int32_t ticket; 1213126258Smlaier u_int32_t nr; 1214126258Smlaier struct pf_altq altq; 1215126258Smlaier}; 1216126258Smlaier 1217126258Smlaierstruct pfioc_qstats { 1218126258Smlaier u_int32_t ticket; 1219126258Smlaier u_int32_t nr; 1220126258Smlaier void *buf; 1221126258Smlaier int nbytes; 1222126258Smlaier u_int8_t scheduler; 1223126258Smlaier}; 1224126258Smlaier 1225126258Smlaierstruct pfioc_anchor { 1226126258Smlaier u_int32_t nr; 1227126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1228126258Smlaier}; 1229126258Smlaier 1230126258Smlaierstruct pfioc_ruleset { 1231126258Smlaier u_int32_t nr; 1232126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1233126258Smlaier char name[PF_RULESET_NAME_SIZE]; 1234126258Smlaier}; 1235126258Smlaier 1236130613Smlaier#define PF_RULESET_ALTQ (PF_RULESET_MAX) 1237130613Smlaier#define PF_RULESET_TABLE (PF_RULESET_MAX+1) 1238130613Smlaierstruct pfioc_trans { 1239130613Smlaier int size; /* number of elements */ 1240130613Smlaier int esize; /* size of each element in bytes */ 1241130613Smlaier struct pfioc_trans_e { 1242130613Smlaier int rs_num; 1243130613Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1244130613Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1245130613Smlaier u_int32_t ticket; 1246130613Smlaier } *array; 1247130613Smlaier}; 1248130613Smlaier 1249126258Smlaier#define PFR_FLAG_ATOMIC 0x00000001 1250126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1251126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1252126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1253126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1254126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1255126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1256126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1257130613Smlaier#ifdef _KERNEL 1258130613Smlaier#define PFR_FLAG_USERIOCTL 0x10000000 1259130613Smlaier#endif 1260126258Smlaier 1261126258Smlaierstruct pfioc_table { 1262126258Smlaier struct pfr_table pfrio_table; 1263126258Smlaier void *pfrio_buffer; 1264126258Smlaier int pfrio_esize; 1265126258Smlaier int pfrio_size; 1266126258Smlaier int pfrio_size2; 1267126258Smlaier int pfrio_nadd; 1268126258Smlaier int pfrio_ndel; 1269126258Smlaier int pfrio_nchange; 1270126258Smlaier int pfrio_flags; 1271126258Smlaier u_int32_t pfrio_ticket; 1272126258Smlaier}; 1273126258Smlaier#define pfrio_exists pfrio_nadd 1274126258Smlaier#define pfrio_nzero pfrio_nadd 1275126258Smlaier#define pfrio_nmatch pfrio_nadd 1276126258Smlaier#define pfrio_naddr pfrio_size2 1277126258Smlaier#define pfrio_setflag pfrio_size2 1278126258Smlaier#define pfrio_clrflag pfrio_nadd 1279126258Smlaier 1280126258Smlaier 1281130613Smlaier#define PFI_FLAG_GROUP 0x0001 /* gets groups of interfaces */ 1282130613Smlaier#define PFI_FLAG_INSTANCE 0x0002 /* gets single interfaces */ 1283130613Smlaier#define PFI_FLAG_ALLMASK 0x0003 1284130613Smlaier 1285130613Smlaierstruct pfioc_iface { 1286130613Smlaier char pfiio_name[IFNAMSIZ]; 1287130613Smlaier void *pfiio_buffer; 1288130613Smlaier int pfiio_esize; 1289130613Smlaier int pfiio_size; 1290130613Smlaier int pfiio_nzero; 1291130613Smlaier int pfiio_flags; 1292130613Smlaier}; 1293130613Smlaier 1294130613Smlaier 1295126258Smlaier/* 1296126258Smlaier * ioctl operations 1297126258Smlaier */ 1298126258Smlaier 1299126258Smlaier#define DIOCSTART _IO ('D', 1) 1300126258Smlaier#define DIOCSTOP _IO ('D', 2) 1301126258Smlaier#define DIOCBEGINRULES _IOWR('D', 3, struct pfioc_rule) 1302126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1303126258Smlaier#define DIOCCOMMITRULES _IOWR('D', 5, struct pfioc_rule) 1304126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1305126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1306126258Smlaier/* XXX cut 8 - 17 */ 1307130613Smlaier#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill) 1308126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1309126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1310126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1311126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1312126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1313126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1314126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1315126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1316126258Smlaier/* XXX cut 26 - 28 */ 1317126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1318126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1319126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1320126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1321126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1322126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1323126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1324126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1325126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1326126258Smlaier#define DIOCBEGINALTQS _IOWR('D', 44, u_int32_t) 1327126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1328126258Smlaier#define DIOCCOMMITALTQS _IOWR('D', 46, u_int32_t) 1329126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1330126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1331126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1332126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1333126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1334126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1335126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1336126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1337126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1338126258Smlaier#define DIOCGETANCHORS _IOWR('D', 56, struct pfioc_anchor) 1339126258Smlaier#define DIOCGETANCHOR _IOWR('D', 57, struct pfioc_anchor) 1340126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1341126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1342126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1343126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1344126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1345126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1346126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1347126258Smlaier#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1348126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1349126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1350126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1351126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1352126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1353126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1354126258Smlaier#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1355126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1356126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1357126258Smlaier#define DIOCRINABEGIN _IOWR('D', 75, struct pfioc_table) 1358126258Smlaier#define DIOCRINACOMMIT _IOWR('D', 76, struct pfioc_table) 1359126258Smlaier#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1360126258Smlaier#define DIOCOSFPFLUSH _IO('D', 78) 1361126258Smlaier#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1362126258Smlaier#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1363130613Smlaier#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans) 1364130613Smlaier#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans) 1365130613Smlaier#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans) 1366130613Smlaier#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes) 1367130613Smlaier#define DIOCCLRSRCNODES _IO('D', 85) 1368130613Smlaier#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t) 1369130613Smlaier#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface) 1370130613Smlaier#define DIOCICLRISTATS _IOWR('D', 88, struct pfioc_iface) 1371127145Smlaier#ifdef __FreeBSD__ 1372126261Smlaierstruct pf_ifspeed { 1373126261Smlaier char ifname[IFNAMSIZ]; 1374126261Smlaier u_int32_t baudrate; 1375126261Smlaier}; 1376130613Smlaier#define DIOCGIFSPEED _IOWR('D', 89, struct pf_ifspeed) 1377126261Smlaier#endif 1378126258Smlaier 1379126258Smlaier#ifdef _KERNEL 1380130613SmlaierRB_HEAD(pf_src_tree, pf_src_node); 1381130613SmlaierRB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare); 1382130613Smlaierextern struct pf_src_tree tree_src_tracking; 1383126258Smlaier 1384130613SmlaierRB_HEAD(pf_state_tree_id, pf_state); 1385130613SmlaierRB_PROTOTYPE(pf_state_tree_id, pf_state, 1386130613Smlaier entry_id, pf_state_compare_id); 1387130613Smlaierextern struct pf_state_tree_id tree_id; 1388130613Smlaierextern struct pf_state_queue state_updates; 1389130613Smlaier 1390130613Smlaierextern struct pf_anchorqueue pf_anchors; 1391130613Smlaierextern struct pf_ruleset pf_main_ruleset; 1392126258SmlaierTAILQ_HEAD(pf_poolqueue, pf_pool); 1393130613Smlaierextern struct pf_poolqueue pf_pools[2]; 1394126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1395130613Smlaierextern struct pf_altqqueue pf_altqs[2]; 1396130613Smlaierextern struct pf_palist pf_pabuf; 1397130613Smlaierextern struct pfi_kif **pfi_index2kif; 1398126258Smlaier 1399126258Smlaierextern u_int32_t ticket_altqs_active; 1400126258Smlaierextern u_int32_t ticket_altqs_inactive; 1401130613Smlaierextern int altqs_inactive_open; 1402126258Smlaierextern u_int32_t ticket_pabuf; 1403126258Smlaierextern struct pf_altqqueue *pf_altqs_active; 1404126258Smlaierextern struct pf_altqqueue *pf_altqs_inactive; 1405126258Smlaierextern struct pf_poolqueue *pf_pools_active; 1406126258Smlaierextern struct pf_poolqueue *pf_pools_inactive; 1407126258Smlaierextern int pf_tbladdr_setup(struct pf_ruleset *, 1408126258Smlaier struct pf_addr_wrap *); 1409126258Smlaierextern void pf_tbladdr_remove(struct pf_addr_wrap *); 1410126258Smlaierextern void pf_tbladdr_copyout(struct pf_addr_wrap *); 1411126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1412126258Smlaierextern void pf_update_anchor_rules(void); 1413127145Smlaier#ifdef __FreeBSD__ 1414130613Smlaierextern uma_zone_t pf_src_tree_pl, pf_rule_pl; 1415126261Smlaierextern uma_zone_t pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1416126261Smlaierextern uma_zone_t pfr_ktable_pl, pfr_kentry_pl; 1417126261Smlaierextern uma_zone_t pf_cache_pl, pf_cent_pl; 1418126261Smlaierextern uma_zone_t pf_state_scrub_pl; 1419130613Smlaierextern uma_zone_t pfi_addr_pl; 1420126261Smlaier#else 1421130613Smlaierextern struct pool pf_src_tree_pl, pf_rule_pl; 1422126258Smlaierextern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1423126258Smlaierextern struct pool pf_state_scrub_pl; 1424126261Smlaier#endif 1425126258Smlaierextern void pf_purge_timeout(void *); 1426130613Smlaierextern void pf_purge_expired_src_nodes(void); 1427126258Smlaierextern void pf_purge_expired_states(void); 1428130613Smlaierextern int pf_insert_state(struct pfi_kif *, 1429130613Smlaier struct pf_state *); 1430130613Smlaierextern int pf_insert_src_node(struct pf_src_node **, 1431130613Smlaier struct pf_rule *, struct pf_addr *, 1432130613Smlaier sa_family_t); 1433130613Smlaiervoid pf_src_tree_remove_state(struct pf_state *); 1434130613Smlaierextern struct pf_state *pf_find_state_byid(struct pf_state *); 1435130613Smlaierextern struct pf_state *pf_find_state_all(struct pf_state *key, 1436130613Smlaier u_int8_t tree, int *more); 1437126258Smlaierextern struct pf_anchor *pf_find_anchor(const char *); 1438126258Smlaierextern struct pf_ruleset *pf_find_ruleset(char *, char *); 1439130613Smlaierextern struct pf_ruleset *pf_find_or_create_ruleset( 1440130613Smlaier char[PF_ANCHOR_NAME_SIZE], 1441130613Smlaier char[PF_RULESET_NAME_SIZE]); 1442126258Smlaierextern void pf_remove_if_empty_ruleset( 1443126258Smlaier struct pf_ruleset *); 1444126258Smlaier 1445130613Smlaierextern struct ifnet *sync_ifp; 1446126258Smlaierextern struct pf_rule pf_default_rule; 1447126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1448126258Smlaier u_int8_t); 1449126258Smlaiervoid pf_rm_rule(struct pf_rulequeue *, 1450126258Smlaier struct pf_rule *); 1451126258Smlaier 1452126258Smlaier#ifdef INET 1453126258Smlaierint pf_test(int, struct ifnet *, struct mbuf **); 1454126258Smlaier#endif /* INET */ 1455126258Smlaier 1456126258Smlaier#ifdef INET6 1457126258Smlaierint pf_test6(int, struct ifnet *, struct mbuf **); 1458126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1459126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1460126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1461126258Smlaier#endif /* INET6 */ 1462126258Smlaier 1463126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1464126258Smlaier sa_family_t); 1465126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1466130613Smlaierint pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t, 1467126258Smlaier u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *); 1468126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1469126258Smlaier struct pf_addr *, sa_family_t); 1470126258Smlaierint pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t); 1471126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1472126258Smlaierint pf_match_uid(u_int8_t, uid_t, uid_t, uid_t); 1473126258Smlaierint pf_match_gid(u_int8_t, gid_t, gid_t, gid_t); 1474126258Smlaier 1475126258Smlaiervoid pf_normalize_init(void); 1476130613Smlaierint pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *); 1477130613Smlaierint pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *); 1478130613Smlaierint pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *, 1479126258Smlaier struct pf_pdesc *); 1480126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1481126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1482126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1483126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1484126258Smlaier u_short *, struct tcphdr *, struct pf_state_peer *, 1485126258Smlaier struct pf_state_peer *, int *); 1486126258Smlaieru_int32_t 1487126258Smlaier pf_state_expires(const struct pf_state *); 1488126258Smlaiervoid pf_purge_expired_fragments(void); 1489126258Smlaierint pf_routable(struct pf_addr *addr, sa_family_t af); 1490126258Smlaiervoid pfr_initialize(void); 1491126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 1492126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 1493126258Smlaier u_int64_t, int, int, int); 1494126258Smlaierint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, 1495126258Smlaier struct pf_addr **, struct pf_addr **, sa_family_t); 1496130613Smlaiervoid pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *); 1497126258Smlaierstruct pfr_ktable * 1498126258Smlaier pfr_attach_table(struct pf_ruleset *, char *); 1499126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 1500126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 1501126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 1502126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 1503126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 1504126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 1505126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 1506126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 1507126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 1508126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1509126258Smlaier int); 1510126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1511126258Smlaier int); 1512126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1513126258Smlaier int *, int *, int *, int); 1514126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 1515126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 1516126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 1517126258Smlaier int); 1518126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1519126258Smlaier int); 1520126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 1521130613Smlaierint pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int); 1522126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 1523126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 1524126258Smlaier int *, u_int32_t, int); 1525126258Smlaier 1526130613Smlaiervoid pfi_initialize(void); 1527130613Smlaier#ifdef __FreeBSD__ 1528130613Smlaiervoid pfi_cleanup(void); 1529130613Smlaier#endif 1530130613Smlaiervoid pfi_attach_clone(struct if_clone *); 1531130613Smlaiervoid pfi_attach_ifnet(struct ifnet *); 1532130613Smlaiervoid pfi_detach_ifnet(struct ifnet *); 1533130613Smlaierstruct pfi_kif *pfi_lookup_create(const char *); 1534130613Smlaierstruct pfi_kif *pfi_lookup_if(const char *); 1535130613Smlaierint pfi_maybe_destroy(struct pfi_kif *); 1536130613Smlaierstruct pfi_kif *pfi_attach_rule(const char *); 1537130613Smlaiervoid pfi_detach_rule(struct pfi_kif *); 1538130613Smlaiervoid pfi_attach_state(struct pfi_kif *); 1539130613Smlaiervoid pfi_detach_state(struct pfi_kif *); 1540130613Smlaierint pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t); 1541130613Smlaiervoid pfi_dynaddr_copyout(struct pf_addr_wrap *); 1542130613Smlaiervoid pfi_dynaddr_remove(struct pf_addr_wrap *); 1543130613Smlaiervoid pfi_fill_oldstatus(struct pf_status *); 1544130613Smlaierint pfi_clr_istats(const char *, int *, int); 1545130613Smlaierint pfi_get_ifaces(const char *, struct pfi_if *, int *, int); 1546130613Smlaierint pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *, 1547130613Smlaier sa_family_t); 1548130613Smlaier 1549130613Smlaierextern struct pfi_statehead pfi_statehead; 1550130613Smlaier 1551126258Smlaieru_int16_t pf_tagname2tag(char *); 1552126258Smlaiervoid pf_tag2tagname(u_int16_t, char *); 1553126258Smlaiervoid pf_tag_unref(u_int16_t); 1554126258Smlaierint pf_tag_packet(struct mbuf *, struct pf_tag *, int); 1555130613Smlaieru_int32_t pf_qname2qid(char *); 1556130613Smlaiervoid pf_qid2qname(u_int32_t, char *); 1557130613Smlaiervoid pf_qid_unref(u_int32_t); 1558126258Smlaier 1559126258Smlaierextern struct pf_status pf_status; 1560126261Smlaier 1561127145Smlaier#ifdef __FreeBSD__ 1562126261Smlaierextern uma_zone_t pf_frent_pl, pf_frag_pl; 1563126261Smlaier#else 1564126258Smlaierextern struct pool pf_frent_pl, pf_frag_pl; 1565126261Smlaier#endif 1566126258Smlaier 1567126258Smlaierstruct pf_pool_limit { 1568126258Smlaier void *pp; 1569126258Smlaier unsigned limit; 1570126258Smlaier}; 1571126258Smlaierextern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX]; 1572126258Smlaier 1573127145Smlaier#ifdef __FreeBSD__ 1574126261Smlaierstruct pf_frent { 1575126261Smlaier LIST_ENTRY(pf_frent) fr_next; 1576126261Smlaier struct ip *fr_ip; 1577126261Smlaier struct mbuf *fr_m; 1578126261Smlaier}; 1579126261Smlaier 1580126261Smlaierstruct pf_frcache { 1581126261Smlaier LIST_ENTRY(pf_frcache) fr_next; 1582126261Smlaier uint16_t fr_off; 1583126261Smlaier uint16_t fr_end; 1584126261Smlaier}; 1585126261Smlaier 1586126261Smlaierstruct pf_fragment { 1587126261Smlaier RB_ENTRY(pf_fragment) fr_entry; 1588126261Smlaier TAILQ_ENTRY(pf_fragment) frag_next; 1589126261Smlaier struct in_addr fr_src; 1590126261Smlaier struct in_addr fr_dst; 1591126261Smlaier u_int8_t fr_p; /* protocol of this fragment */ 1592126261Smlaier u_int8_t fr_flags; /* status flags */ 1593126261Smlaier u_int16_t fr_id; /* fragment id for reassemble */ 1594126261Smlaier u_int16_t fr_max; /* fragment data max */ 1595126261Smlaier u_int32_t fr_timeout; 1596126261Smlaier#define fr_queue fr_u.fru_queue 1597126261Smlaier#define fr_cache fr_u.fru_cache 1598126261Smlaier union { 1599126261Smlaier LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */ 1600126261Smlaier LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */ 1601126261Smlaier } fr_u; 1602126261Smlaier}; 1603126261Smlaier#endif /* (__FreeBSD__) */ 1604126261Smlaier 1605126258Smlaier#endif /* _KERNEL */ 1606126258Smlaier 1607126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 1608126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 1609126258Smlaier#ifdef _KERNEL 1610126258Smlaierstruct pf_osfp_enlist * 1611126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 1612126258Smlaier const struct tcphdr *); 1613126258Smlaier#endif /* _KERNEL */ 1614126258Smlaierstruct pf_osfp_enlist * 1615126258Smlaier pf_osfp_fingerprint_hdr(const struct ip *, const struct tcphdr *); 1616126258Smlaiervoid pf_osfp_flush(void); 1617126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 1618127145Smlaier#ifdef __FreeBSD__ 1619126261Smlaierint pf_osfp_initialize(void); 1620126261Smlaiervoid pf_osfp_cleanup(void); 1621126261Smlaier#else 1622126258Smlaiervoid pf_osfp_initialize(void); 1623126261Smlaier#endif 1624126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 1625126258Smlaierstruct pf_os_fingerprint * 1626126258Smlaier pf_osfp_validate(void); 1627126258Smlaier 1628126258Smlaier 1629126258Smlaier#endif /* _NET_PFVAR_H_ */ 1630