pfvar.h revision 126263
1126261Smlaier/* $FreeBSD: head/sys/contrib/pf/net/pfvar.h 126263 2004-02-26 03:53:54Z mlaier $ */ 2126258Smlaier/* $OpenBSD: pfvar.h,v 1.170 2003/08/22 21:50:34 david 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> 42126261Smlaier#if defined(__FreeBSD__) 43126261Smlaier#include <vm/uma.h> 44126261Smlaier#else 45126258Smlaier#include <netinet/ip_ipsp.h> 46126261Smlaier#endif 47126261Smlaier 48126261Smlaier#if defined(__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 }; 70126258Smlaierenum { PF_PASS, PF_DROP, PF_SCRUB, PF_NAT, PF_NONAT, 71126258Smlaier PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP }; 72126258Smlaierenum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT, 73126258Smlaier PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX }; 74126258Smlaierenum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT, 75126258Smlaier PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG }; 76126258Smlaierenum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY }; 77126258Smlaierenum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL, 78126258Smlaier PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER, 79126258Smlaier PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET }; 80126258Smlaier/* 81126258Smlaier * Note about PFTM_*: real indices into pf_rule.timeout[] come before 82126258Smlaier * PFTM_MAX, special cases afterwards. See pf_state_expires(). 83126258Smlaier */ 84126258Smlaierenum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED, 85126258Smlaier PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED, 86126258Smlaier PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE, 87126258Smlaier PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY, 88126258Smlaier PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE, 89126258Smlaier PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL, 90126258Smlaier PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_MAX, 91126258Smlaier PFTM_PURGE, PFTM_UNTIL_PACKET }; 92126258Smlaierenum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO }; 93126258Smlaierenum { PF_LIMIT_STATES, PF_LIMIT_FRAGS, PF_LIMIT_MAX }; 94126258Smlaier#define PF_POOL_IDMASK 0x0f 95126258Smlaierenum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM, 96126258Smlaier PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN }; 97126258Smlaierenum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL, 98126258Smlaier PF_ADDR_TABLE }; 99126258Smlaier#define PF_POOL_TYPEMASK 0x0f 100126258Smlaier#define PF_WSCALE_FLAG 0x80 101126258Smlaier#define PF_WSCALE_MASK 0x0f 102126258Smlaier 103126258Smlaierstruct pf_addr { 104126258Smlaier union { 105126258Smlaier struct in_addr v4; 106126258Smlaier struct in6_addr v6; 107126258Smlaier u_int8_t addr8[16]; 108126258Smlaier u_int16_t addr16[8]; 109126258Smlaier u_int32_t addr32[4]; 110126258Smlaier } pfa; /* 128-bit address */ 111126258Smlaier#define v4 pfa.v4 112126258Smlaier#define v6 pfa.v6 113126258Smlaier#define addr8 pfa.addr8 114126258Smlaier#define addr16 pfa.addr16 115126258Smlaier#define addr32 pfa.addr32 116126258Smlaier}; 117126258Smlaier 118126258Smlaier#define PF_TABLE_NAME_SIZE 32 119126258Smlaier 120126258Smlaierstruct pf_addr_wrap { 121126258Smlaier union { 122126258Smlaier struct { 123126258Smlaier struct pf_addr addr; 124126258Smlaier struct pf_addr mask; 125126258Smlaier } a; 126126258Smlaier char ifname[IFNAMSIZ]; 127126258Smlaier char tblname[PF_TABLE_NAME_SIZE]; 128126258Smlaier } v; 129126258Smlaier union { 130126258Smlaier struct pf_addr_dyn *dyn; 131126258Smlaier struct pfr_ktable *tbl; 132126258Smlaier int tblcnt; 133126258Smlaier } p; 134126258Smlaier u_int8_t type; /* PF_ADDR_* */ 135126258Smlaier}; 136126258Smlaier 137126258Smlaierstruct pf_addr_dyn { 138126258Smlaier char ifname[IFNAMSIZ]; 139126258Smlaier struct ifnet *ifp; 140126258Smlaier struct pf_addr *addr; 141126258Smlaier sa_family_t af; 142126261Smlaier#if defined(__FreeBSD__) && defined(HOOK_HACK) 143126261Smlaier eventhandler_tag hook_cookie; 144126261Smlaier#else 145126258Smlaier void *hook_cookie; 146126261Smlaier#endif 147126258Smlaier u_int8_t undefined; 148126258Smlaier}; 149126258Smlaier 150126258Smlaier/* 151126258Smlaier * Address manipulation macros 152126258Smlaier */ 153126258Smlaier 154126258Smlaier#ifdef _KERNEL 155126258Smlaier 156126261Smlaier#if defined(__FreeBSD__) 157126261Smlaier#define splsoftnet() splnet() 158126261Smlaier 159126263Smlaier#define HTONL(x) (x) = htonl((__uint32_t)(x)) 160126263Smlaier#define HTONS(x) (x) = htons((__uint16_t)(x)) 161126263Smlaier#define NTOHL(x) (x) = ntohl((__uint32_t)(x)) 162126263Smlaier#define NTOHS(x) (x) = ntohs((__uint16_t)(x)) 163126263Smlaier 164126261Smlaier#define PF_NAME "pf" 165126261Smlaier 166126261Smlaier#define PR_NOWAIT M_NOWAIT 167126261Smlaier#define pool_get(p, f) uma_zalloc(*(p), (f)) 168126261Smlaier#define pool_put(p, o) uma_zfree(*(p), (o)) 169126261Smlaier 170126261Smlaier#define UMA_CREATE(var, type, desc) \ 171126261Smlaier var = uma_zcreate(desc, sizeof(type), \ 172126261Smlaier NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); \ 173126261Smlaier if (var == NULL) break 174126261Smlaier#define UMA_DESTROY(var) \ 175126261Smlaier if(var) uma_zdestroy(var) 176126261Smlaier 177126261Smlaierextern struct mtx pf_task_mtx; 178126261Smlaier#if defined(ALTQ) 179126261Smlaierextern struct mtx pf_altq_mtx; 180126261Smlaierextern int pfaltq_ref; 181126261Smlaier#endif 182126261Smlaier 183126261Smlaier#define PF_ASSERT(h) mtx_assert(&pf_task_mtx, (h)) 184126261Smlaier 185126261Smlaier#define PF_LOCK() do { \ 186126261Smlaier PF_ASSERT(MA_NOTOWNED); \ 187126261Smlaier mtx_lock(&pf_task_mtx); \ 188126261Smlaier} while(0) 189126261Smlaier#define PF_UNLOCK() do { \ 190126261Smlaier PF_ASSERT(MA_OWNED); \ 191126261Smlaier mtx_unlock(&pf_task_mtx); \ 192126261Smlaier} while(0) 193126261Smlaier 194126261Smlaier#define PF_COPYIN(uaddr, kaddr, len, r) do { \ 195126261Smlaier PF_UNLOCK(); \ 196126261Smlaier r = copyin((uaddr), (kaddr), (len)); \ 197126261Smlaier PF_LOCK(); \ 198126261Smlaier} while(0) 199126261Smlaier 200126261Smlaier#define PF_COPYOUT(kaddr, uaddr, len, r) do { \ 201126261Smlaier PF_UNLOCK(); \ 202126261Smlaier r = copyout((kaddr), (uaddr), (len)); \ 203126261Smlaier PF_LOCK(); \ 204126261Smlaier} while(0) 205126261Smlaier 206126261Smlaierextern void init_pf_mutex(void); 207126261Smlaierextern void destroy_pf_mutex(void); 208126261Smlaier 209126261Smlaier#define PF_MODVER 1 210126261Smlaier#define PFLOG_MODVER 1 211126261Smlaier#define PFSYNC_MODVER 1 212126261Smlaier 213126261Smlaier#define PFLOG_MINVER 1 214126261Smlaier#define PFLOG_PREFVER PFLOG_MODVER 215126261Smlaier#define PFLOG_MAXVER 1 216126261Smlaier#define PFSYNC_MINVER 1 217126261Smlaier#define PFSYNC_PREFVER PFSYNC_MODVER 218126261Smlaier#define PFSYNC_MAXVER 1 219126261Smlaier#endif 220126261Smlaier 221126258Smlaier#ifdef INET 222126258Smlaier#ifndef INET6 223126258Smlaier#define PF_INET_ONLY 224126258Smlaier#endif /* ! INET6 */ 225126258Smlaier#endif /* INET */ 226126258Smlaier 227126258Smlaier#ifdef INET6 228126258Smlaier#ifndef INET 229126258Smlaier#define PF_INET6_ONLY 230126258Smlaier#endif /* ! INET */ 231126258Smlaier#endif /* INET6 */ 232126258Smlaier 233126258Smlaier#ifdef INET 234126258Smlaier#ifdef INET6 235126258Smlaier#define PF_INET_INET6 236126258Smlaier#endif /* INET6 */ 237126258Smlaier#endif /* INET */ 238126258Smlaier 239126258Smlaier#else 240126258Smlaier 241126258Smlaier#define PF_INET_INET6 242126258Smlaier 243126258Smlaier#endif /* _KERNEL */ 244126258Smlaier 245126258Smlaier/* Both IPv4 and IPv6 */ 246126258Smlaier#ifdef PF_INET_INET6 247126258Smlaier 248126258Smlaier#define PF_AEQ(a, b, c) \ 249126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 250126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 251126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 252126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 253126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 254126258Smlaier 255126258Smlaier#define PF_ANEQ(a, b, c) \ 256126258Smlaier ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 257126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 258126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 259126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 260126258Smlaier (a)->addr32[0] != (b)->addr32[0])) \ 261126258Smlaier 262126258Smlaier#define PF_AZERO(a, c) \ 263126258Smlaier ((c == AF_INET && !(a)->addr32[0]) || \ 264126258Smlaier (!(a)->addr32[0] && !(a)->addr32[1] && \ 265126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 266126258Smlaier 267126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 268126258Smlaier pf_match_addr(n, a, m, b, f) 269126258Smlaier 270126258Smlaier#define PF_ACPY(a, b, f) \ 271126258Smlaier pf_addrcpy(a, b, f) 272126258Smlaier 273126258Smlaier#define PF_AINC(a, f) \ 274126258Smlaier pf_addr_inc(a, f) 275126258Smlaier 276126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 277126258Smlaier pf_poolmask(a, b, c, d, f) 278126258Smlaier 279126258Smlaier#else 280126258Smlaier 281126258Smlaier/* Just IPv6 */ 282126258Smlaier 283126258Smlaier#ifdef PF_INET6_ONLY 284126258Smlaier 285126258Smlaier#define PF_AEQ(a, b, c) \ 286126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 287126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 288126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 289126258Smlaier (a)->addr32[0] == (b)->addr32[0]) \ 290126258Smlaier 291126258Smlaier#define PF_ANEQ(a, b, c) \ 292126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 293126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 294126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 295126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 296126258Smlaier 297126258Smlaier#define PF_AZERO(a, c) \ 298126258Smlaier (!(a)->addr32[0] && \ 299126258Smlaier !(a)->addr32[1] && \ 300126258Smlaier !(a)->addr32[2] && \ 301126258Smlaier !(a)->addr32[3] ) \ 302126258Smlaier 303126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 304126258Smlaier pf_match_addr(n, a, m, b, f) 305126258Smlaier 306126258Smlaier#define PF_ACPY(a, b, f) \ 307126258Smlaier pf_addrcpy(a, b, f) 308126258Smlaier 309126258Smlaier#define PF_AINC(a, f) \ 310126258Smlaier pf_addr_inc(a, f) 311126258Smlaier 312126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 313126258Smlaier pf_poolmask(a, b, c, d, f) 314126258Smlaier 315126258Smlaier#else 316126258Smlaier 317126258Smlaier/* Just IPv4 */ 318126258Smlaier#ifdef PF_INET_ONLY 319126258Smlaier 320126258Smlaier#define PF_AEQ(a, b, c) \ 321126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 322126258Smlaier 323126258Smlaier#define PF_ANEQ(a, b, c) \ 324126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 325126258Smlaier 326126258Smlaier#define PF_AZERO(a, c) \ 327126258Smlaier (!(a)->addr32[0]) 328126258Smlaier 329126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 330126258Smlaier pf_match_addr(n, a, m, b, f) 331126258Smlaier 332126258Smlaier#define PF_ACPY(a, b, f) \ 333126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 334126258Smlaier 335126258Smlaier#define PF_AINC(a, f) \ 336126258Smlaier do { \ 337126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 338126258Smlaier } while (0) 339126258Smlaier 340126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 341126258Smlaier do { \ 342126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 343126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 344126258Smlaier } while (0) 345126258Smlaier 346126258Smlaier#endif /* PF_INET_ONLY */ 347126258Smlaier#endif /* PF_INET6_ONLY */ 348126258Smlaier#endif /* PF_INET_INET6 */ 349126258Smlaier 350126258Smlaier#define PF_MISMATCHAW(aw, x, af, not) \ 351126258Smlaier ( \ 352126258Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 353126258Smlaier pf_routable((x), (af))) || \ 354126258Smlaier ((aw)->type == PF_ADDR_TABLE && \ 355126258Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 356126258Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 357126258Smlaier ((aw)->p.dyn->undefined || \ 358126258Smlaier (!PF_AZERO(&(aw)->v.a.mask, (af)) && \ 359126258Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 360126258Smlaier &(aw)->v.a.mask, (x), (af))))) || \ 361126258Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 362126258Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 363126258Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 364126258Smlaier &(aw)->v.a.mask, (x), (af)))) != \ 365126258Smlaier (not) \ 366126258Smlaier ) 367126258Smlaier 368126258Smlaierstruct pf_rule_uid { 369126258Smlaier uid_t uid[2]; 370126258Smlaier u_int8_t op; 371126258Smlaier}; 372126258Smlaier 373126258Smlaierstruct pf_rule_gid { 374126258Smlaier uid_t gid[2]; 375126258Smlaier u_int8_t op; 376126258Smlaier}; 377126258Smlaier 378126258Smlaierstruct pf_rule_addr { 379126258Smlaier struct pf_addr_wrap addr; 380126258Smlaier u_int16_t port[2]; 381126258Smlaier u_int8_t not; 382126258Smlaier u_int8_t port_op; 383126258Smlaier}; 384126258Smlaier 385126258Smlaierstruct pf_pooladdr { 386126258Smlaier struct pf_addr_wrap addr; 387126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 388126258Smlaier char ifname[IFNAMSIZ]; 389126258Smlaier struct ifnet *ifp; 390126258Smlaier}; 391126258Smlaier 392126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 393126258Smlaier 394126258Smlaierstruct pf_poolhashkey { 395126258Smlaier union { 396126258Smlaier u_int8_t key8[16]; 397126258Smlaier u_int16_t key16[8]; 398126258Smlaier u_int32_t key32[4]; 399126258Smlaier } pfk; /* 128-bit hash key */ 400126258Smlaier#define key8 pfk.key8 401126258Smlaier#define key16 pfk.key16 402126258Smlaier#define key32 pfk.key32 403126258Smlaier}; 404126258Smlaier 405126258Smlaierstruct pf_pool { 406126258Smlaier struct pf_palist list; 407126258Smlaier struct pf_pooladdr *cur; 408126258Smlaier struct pf_poolhashkey key; 409126258Smlaier struct pf_addr counter; 410126258Smlaier int tblidx; 411126258Smlaier u_int16_t proxy_port[2]; 412126258Smlaier u_int8_t port_op; 413126258Smlaier u_int8_t opts; 414126258Smlaier}; 415126258Smlaier 416126258Smlaier 417126258Smlaier/* A packed Operating System description for fingerprinting */ 418126258Smlaiertypedef u_int32_t pf_osfp_t; 419126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 420126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 421126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 422126258Smlaier 423126258Smlaierstruct pf_osfp_entry { 424126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 425126258Smlaier pf_osfp_t fp_os; 426126258Smlaier int fp_enflags; 427126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 428126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 429126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 430126258Smlaier#define PF_OSFP_LEN 32 431126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 432126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 433126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 434126258Smlaier}; 435126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 436126258Smlaier ((a)->fp_os == (b)->fp_os && \ 437126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 438126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 439126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 440126258Smlaier 441126258Smlaier/* handle pf_osfp_t packing */ 442126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 443126258Smlaier#define _FP_UNUSED_BITS 1 444126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 445126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 446126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 447126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 448126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 449126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 450126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 451126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 452126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 453126258Smlaier} while(0) 454126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 455126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 456126258Smlaier + _FP_SUBTYPE_BITS); \ 457126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 458126258Smlaier _FP_SUBTYPE_BITS; \ 459126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 460126258Smlaier} while(0) 461126258Smlaier 462126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 463126258Smlaiertypedef u_int64_t pf_tcpopts_t; 464126258Smlaierstruct pf_os_fingerprint { 465126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 466126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 467126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 468126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 469126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 470126258Smlaier u_int16_t fp_flags; 471126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 472126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 473126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 474126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 475126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 476126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 477126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 478126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 479126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 480126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 481126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 482126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 483126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 484126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 485126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 486126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 487126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 488126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 489126258Smlaier/* TCP options packing */ 490126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 491126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 492126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 493126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 494126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 495126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 496126258Smlaier#define PF_OSFP_MAX_OPTS \ 497126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 498126258Smlaier / PF_OSFP_TCPOPT_BITS 499126258Smlaier 500126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 501126258Smlaier}; 502126258Smlaier 503126258Smlaierstruct pf_osfp_ioctl { 504126258Smlaier struct pf_osfp_entry fp_os; 505126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 506126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 507126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 508126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 509126258Smlaier u_int16_t fp_flags; 510126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 511126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 512126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 513126258Smlaier 514126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 515126258Smlaier}; 516126258Smlaier 517126258Smlaier 518126258Smlaierunion pf_rule_ptr { 519126258Smlaier struct pf_rule *ptr; 520126258Smlaier u_int32_t nr; 521126258Smlaier}; 522126258Smlaier 523126258Smlaierstruct pf_rule { 524126258Smlaier struct pf_rule_addr src; 525126258Smlaier struct pf_rule_addr dst; 526126258Smlaier#define PF_SKIP_IFP 0 527126258Smlaier#define PF_SKIP_DIR 1 528126258Smlaier#define PF_SKIP_AF 2 529126258Smlaier#define PF_SKIP_PROTO 3 530126258Smlaier#define PF_SKIP_SRC_ADDR 4 531126258Smlaier#define PF_SKIP_SRC_PORT 5 532126258Smlaier#define PF_SKIP_DST_ADDR 6 533126258Smlaier#define PF_SKIP_DST_PORT 7 534126258Smlaier#define PF_SKIP_COUNT 8 535126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 536126258Smlaier#define PF_RULE_LABEL_SIZE 64 537126258Smlaier char label[PF_RULE_LABEL_SIZE]; 538126258Smlaier u_int32_t timeout[PFTM_MAX]; 539126258Smlaier#define PF_QNAME_SIZE 16 540126258Smlaier char ifname[IFNAMSIZ]; 541126258Smlaier char qname[PF_QNAME_SIZE]; 542126258Smlaier char pqname[PF_QNAME_SIZE]; 543126258Smlaier#define PF_ANCHOR_NAME_SIZE 16 544126258Smlaier char anchorname[PF_ANCHOR_NAME_SIZE]; 545126258Smlaier#define PF_TAG_NAME_SIZE 16 546126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 547126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 548126258Smlaier 549126258Smlaier TAILQ_ENTRY(pf_rule) entries; 550126258Smlaier struct pf_pool rpool; 551126258Smlaier 552126258Smlaier u_int64_t evaluations; 553126258Smlaier u_int64_t packets; 554126258Smlaier u_int64_t bytes; 555126258Smlaier 556126258Smlaier struct ifnet *ifp; 557126258Smlaier struct pf_anchor *anchor; 558126258Smlaier 559126258Smlaier pf_osfp_t os_fingerprint; 560126258Smlaier u_int32_t states; 561126258Smlaier u_int32_t max_states; 562126258Smlaier u_int32_t qid; 563126258Smlaier u_int32_t pqid; 564126258Smlaier u_int32_t rt_listid; 565126258Smlaier u_int32_t nr; 566126258Smlaier 567126258Smlaier u_int16_t return_icmp; 568126258Smlaier u_int16_t return_icmp6; 569126258Smlaier u_int16_t max_mss; 570126258Smlaier u_int16_t tag; 571126258Smlaier u_int16_t match_tag; 572126258Smlaier 573126258Smlaier struct pf_rule_uid uid; 574126258Smlaier struct pf_rule_gid gid; 575126258Smlaier 576126258Smlaier u_int32_t rule_flag; 577126258Smlaier u_int8_t action; 578126258Smlaier u_int8_t direction; 579126258Smlaier u_int8_t log; 580126258Smlaier u_int8_t quick; 581126258Smlaier u_int8_t ifnot; 582126258Smlaier u_int8_t match_tag_not; 583126258Smlaier u_int8_t natpass; 584126258Smlaier 585126258Smlaier#define PF_STATE_NORMAL 0x1 586126258Smlaier#define PF_STATE_MODULATE 0x2 587126258Smlaier#define PF_STATE_SYNPROXY 0x3 588126258Smlaier u_int8_t keep_state; 589126258Smlaier sa_family_t af; 590126258Smlaier u_int8_t proto; 591126258Smlaier u_int8_t type; 592126258Smlaier u_int8_t code; 593126258Smlaier u_int8_t flags; 594126258Smlaier u_int8_t flagset; 595126258Smlaier u_int8_t min_ttl; 596126258Smlaier u_int8_t allow_opts; 597126258Smlaier u_int8_t rt; 598126258Smlaier u_int8_t return_ttl; 599126258Smlaier u_int8_t tos; 600126258Smlaier}; 601126258Smlaier 602126258Smlaier/* rule flags */ 603126258Smlaier#define PFRULE_DROP 0x0000 604126258Smlaier#define PFRULE_RETURNRST 0x0001 605126258Smlaier#define PFRULE_FRAGMENT 0x0002 606126258Smlaier#define PFRULE_RETURNICMP 0x0004 607126258Smlaier#define PFRULE_RETURN 0x0008 608126258Smlaier 609126258Smlaier/* scrub flags */ 610126258Smlaier#define PFRULE_NODF 0x0100 611126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 612126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 613126258Smlaier#define PFRULE_RANDOMID 0x0800 614126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 615126258Smlaier 616126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 617126258Smlaier 618126258Smlaier 619126258Smlaierstruct pf_state_scrub { 620126258Smlaier u_int16_t pfss_flags; 621126258Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 622126258Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 623126258Smlaier u_int8_t pad; 624126258Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 625126258Smlaier}; 626126258Smlaier 627126258Smlaierstruct pf_state_host { 628126258Smlaier struct pf_addr addr; 629126258Smlaier u_int16_t port; 630126258Smlaier u_int16_t pad; 631126258Smlaier}; 632126258Smlaier 633126258Smlaierstruct pf_state_peer { 634126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 635126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 636126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 637126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 638126258Smlaier u_int8_t state; /* active state level */ 639126258Smlaier u_int8_t wscale; /* window scaling factor */ 640126258Smlaier u_int16_t mss; /* Maximum segment size option */ 641126258Smlaier struct pf_state_scrub *scrub; /* state is scrubbed */ 642126258Smlaier}; 643126258Smlaier 644126258Smlaierstruct pf_state { 645126258Smlaier struct pf_state_host lan; 646126258Smlaier struct pf_state_host gwy; 647126258Smlaier struct pf_state_host ext; 648126258Smlaier struct pf_state_peer src; 649126258Smlaier struct pf_state_peer dst; 650126258Smlaier union pf_rule_ptr rule; 651126258Smlaier union pf_rule_ptr anchor; 652126258Smlaier union pf_rule_ptr nat_rule; 653126258Smlaier struct pf_addr rt_addr; 654126258Smlaier struct ifnet *rt_ifp; 655126258Smlaier u_int32_t creation; 656126258Smlaier u_int32_t expire; 657126258Smlaier u_int32_t packets[2]; 658126258Smlaier u_int32_t bytes[2]; 659126258Smlaier sa_family_t af; 660126258Smlaier u_int8_t proto; 661126258Smlaier u_int8_t direction; 662126258Smlaier u_int8_t log; 663126258Smlaier u_int8_t allow_opts; 664126258Smlaier u_int8_t timeout; 665126258Smlaier u_int8_t pad[2]; 666126258Smlaier}; 667126258Smlaier 668126258Smlaierstruct pf_tree_node { 669126258Smlaier RB_ENTRY(pf_tree_node) entry; 670126258Smlaier struct pf_state *state; 671126258Smlaier struct pf_addr addr[2]; 672126258Smlaier u_int16_t port[2]; 673126258Smlaier sa_family_t af; 674126258Smlaier u_int8_t proto; 675126258Smlaier}; 676126258Smlaier 677126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 678126258Smlaier 679126258Smlaierstruct pf_anchor; 680126258Smlaier 681126258Smlaierstruct pf_ruleset { 682126258Smlaier TAILQ_ENTRY(pf_ruleset) entries; 683126258Smlaier#define PF_RULESET_NAME_SIZE 16 684126258Smlaier char name[PF_RULESET_NAME_SIZE]; 685126258Smlaier struct { 686126258Smlaier struct pf_rulequeue queues[2]; 687126258Smlaier struct { 688126258Smlaier struct pf_rulequeue *ptr; 689126258Smlaier u_int32_t ticket; 690126258Smlaier } active, inactive; 691126258Smlaier } rules[PF_RULESET_MAX]; 692126258Smlaier struct pf_anchor *anchor; 693126258Smlaier u_int32_t tticket; 694126258Smlaier int tables; 695126258Smlaier int topen; 696126258Smlaier}; 697126258Smlaier 698126258SmlaierTAILQ_HEAD(pf_rulesetqueue, pf_ruleset); 699126258Smlaier 700126258Smlaierstruct pf_anchor { 701126258Smlaier TAILQ_ENTRY(pf_anchor) entries; 702126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 703126258Smlaier struct pf_rulesetqueue rulesets; 704126258Smlaier int tables; 705126258Smlaier}; 706126258Smlaier 707126258SmlaierTAILQ_HEAD(pf_anchorqueue, pf_anchor); 708126258Smlaier 709126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 710126258Smlaier#define PFR_TFLAG_CONST 0x00000002 711126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 712126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 713126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 714126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 715126258Smlaier#define PFR_TFLAG_USRMASK 0x00000003 716126258Smlaier#define PFR_TFLAG_SETMASK 0x0000003C 717126258Smlaier#define PFR_TFLAG_ALLMASK 0x0000003F 718126258Smlaier 719126258Smlaierstruct pfr_table { 720126258Smlaier char pfrt_anchor[PF_ANCHOR_NAME_SIZE]; 721126258Smlaier char pfrt_ruleset[PF_RULESET_NAME_SIZE]; 722126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 723126258Smlaier u_int32_t pfrt_flags; 724126258Smlaier u_int8_t pfrt_fback; 725126258Smlaier}; 726126258Smlaier 727126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 728126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 729126258Smlaier PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX }; 730126258Smlaier 731126258Smlaierstruct pfr_addr { 732126258Smlaier union { 733126258Smlaier struct in_addr _pfra_ip4addr; 734126258Smlaier struct in6_addr _pfra_ip6addr; 735126258Smlaier } pfra_u; 736126258Smlaier u_int8_t pfra_af; 737126258Smlaier u_int8_t pfra_net; 738126258Smlaier u_int8_t pfra_not; 739126258Smlaier u_int8_t pfra_fback; 740126258Smlaier}; 741126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 742126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 743126258Smlaier 744126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 745126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 746126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 747126258Smlaier 748126258Smlaierstruct pfr_astats { 749126258Smlaier struct pfr_addr pfras_a; 750126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 751126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 752126258Smlaier long pfras_tzero; 753126258Smlaier}; 754126258Smlaier 755126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 756126258Smlaier 757126258Smlaierstruct pfr_tstats { 758126258Smlaier struct pfr_table pfrts_t; 759126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 760126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 761126258Smlaier u_int64_t pfrts_match; 762126258Smlaier u_int64_t pfrts_nomatch; 763126258Smlaier long pfrts_tzero; 764126258Smlaier int pfrts_cnt; 765126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 766126258Smlaier}; 767126258Smlaier#define pfrts_name pfrts_t.pfrt_name 768126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 769126258Smlaier 770126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 771126258Smlaierstruct pfr_kentry { 772126258Smlaier struct radix_node pfrke_node[2]; 773126258Smlaier union sockaddr_union pfrke_sa; 774126258Smlaier u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 775126258Smlaier u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 776126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 777126258Smlaier long pfrke_tzero; 778126258Smlaier u_int8_t pfrke_af; 779126258Smlaier u_int8_t pfrke_net; 780126258Smlaier u_int8_t pfrke_not; 781126258Smlaier u_int8_t pfrke_mark; 782126258Smlaier}; 783126258Smlaier 784126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 785126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 786126258Smlaierstruct pfr_ktable { 787126258Smlaier struct pfr_tstats pfrkt_ts; 788126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 789126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 790126258Smlaier struct radix_node_head *pfrkt_ip4; 791126258Smlaier struct radix_node_head *pfrkt_ip6; 792126258Smlaier struct pfr_ktable *pfrkt_shadow; 793126258Smlaier struct pfr_ktable *pfrkt_root; 794126258Smlaier struct pf_ruleset *pfrkt_rs; 795126258Smlaier int pfrkt_nflags; 796126258Smlaier}; 797126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 798126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 799126258Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 800126258Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 801126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 802126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 803126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 804126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 805126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 806126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 807126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 808126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 809126258Smlaier 810126258Smlaierstruct pf_pdesc { 811126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 812126258Smlaier union { 813126258Smlaier struct tcphdr *tcp; 814126258Smlaier struct udphdr *udp; 815126258Smlaier struct icmp *icmp; 816126258Smlaier#ifdef INET6 817126258Smlaier struct icmp6_hdr *icmp6; 818126258Smlaier#endif /* INET6 */ 819126258Smlaier void *any; 820126258Smlaier } hdr; 821126258Smlaier struct pf_addr *src; 822126258Smlaier struct pf_addr *dst; 823126258Smlaier u_int16_t *ip_sum; 824126258Smlaier u_int32_t p_len; /* total length of payload */ 825126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 826126258Smlaier * state code. Easier than tags */ 827126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 828126258Smlaier sa_family_t af; 829126258Smlaier u_int8_t proto; 830126258Smlaier u_int8_t tos; 831126258Smlaier}; 832126258Smlaier 833126258Smlaier/* flags for RDR options */ 834126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 835126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 836126258Smlaier 837126258Smlaier/* Reasons code for passing/dropping a packet */ 838126258Smlaier#define PFRES_MATCH 0 /* Explicit match of a rule */ 839126258Smlaier#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 840126258Smlaier#define PFRES_FRAG 2 /* Dropping following fragment */ 841126258Smlaier#define PFRES_SHORT 3 /* Dropping short packet */ 842126258Smlaier#define PFRES_NORM 4 /* Dropping by normalizer */ 843126258Smlaier#define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 844126258Smlaier#define PFRES_MAX 6 /* total+1 */ 845126258Smlaier 846126258Smlaier#define PFRES_NAMES { \ 847126258Smlaier "match", \ 848126258Smlaier "bad-offset", \ 849126258Smlaier "fragment", \ 850126258Smlaier "short", \ 851126258Smlaier "normalize", \ 852126258Smlaier "memory", \ 853126258Smlaier NULL \ 854126258Smlaier} 855126258Smlaier 856126258Smlaier/* UDP state enumeration */ 857126258Smlaier#define PFUDPS_NO_TRAFFIC 0 858126258Smlaier#define PFUDPS_SINGLE 1 859126258Smlaier#define PFUDPS_MULTIPLE 2 860126258Smlaier 861126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 862126258Smlaier 863126258Smlaier#define PFUDPS_NAMES { \ 864126258Smlaier "NO_TRAFFIC", \ 865126258Smlaier "SINGLE", \ 866126258Smlaier "MULTIPLE", \ 867126258Smlaier NULL \ 868126258Smlaier} 869126258Smlaier 870126258Smlaier/* Other protocol state enumeration */ 871126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 872126258Smlaier#define PFOTHERS_SINGLE 1 873126258Smlaier#define PFOTHERS_MULTIPLE 2 874126258Smlaier 875126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 876126258Smlaier 877126258Smlaier#define PFOTHERS_NAMES { \ 878126258Smlaier "NO_TRAFFIC", \ 879126258Smlaier "SINGLE", \ 880126258Smlaier "MULTIPLE", \ 881126258Smlaier NULL \ 882126258Smlaier} 883126258Smlaier 884126258Smlaier#define FCNT_STATE_SEARCH 0 885126258Smlaier#define FCNT_STATE_INSERT 1 886126258Smlaier#define FCNT_STATE_REMOVALS 2 887126258Smlaier#define FCNT_MAX 3 888126258Smlaier 889126258Smlaier 890126258Smlaier#define ACTION_SET(a, x) \ 891126258Smlaier do { \ 892126258Smlaier if ((a) != NULL) \ 893126258Smlaier *(a) = (x); \ 894126258Smlaier } while (0) 895126258Smlaier 896126258Smlaier#define REASON_SET(a, x) \ 897126258Smlaier do { \ 898126258Smlaier if ((a) != NULL) \ 899126258Smlaier *(a) = (x); \ 900126258Smlaier if (x < PFRES_MAX) \ 901126258Smlaier pf_status.counters[x]++; \ 902126258Smlaier } while (0) 903126258Smlaier 904126258Smlaierstruct pf_status { 905126258Smlaier u_int64_t counters[PFRES_MAX]; 906126258Smlaier u_int64_t fcounters[FCNT_MAX]; 907126258Smlaier u_int64_t pcounters[2][2][3]; 908126258Smlaier u_int64_t bcounters[2][2]; 909126258Smlaier u_int32_t running; 910126258Smlaier u_int32_t states; 911126258Smlaier u_int32_t since; 912126258Smlaier u_int32_t debug; 913126258Smlaier char ifname[IFNAMSIZ]; 914126258Smlaier}; 915126258Smlaier 916126258Smlaierstruct cbq_opts { 917126258Smlaier u_int minburst; 918126258Smlaier u_int maxburst; 919126258Smlaier u_int pktsize; 920126258Smlaier u_int maxpktsize; 921126258Smlaier u_int ns_per_byte; 922126258Smlaier u_int maxidle; 923126258Smlaier int minidle; 924126258Smlaier u_int offtime; 925126258Smlaier int flags; 926126258Smlaier}; 927126258Smlaier 928126258Smlaierstruct priq_opts { 929126258Smlaier int flags; 930126258Smlaier}; 931126258Smlaier 932126258Smlaierstruct hfsc_opts { 933126258Smlaier /* real-time service curve */ 934126258Smlaier u_int rtsc_m1; /* slope of the 1st segment in bps */ 935126258Smlaier u_int rtsc_d; /* the x-projection of m1 in msec */ 936126258Smlaier u_int rtsc_m2; /* slope of the 2nd segment in bps */ 937126258Smlaier /* link-sharing service curve */ 938126258Smlaier u_int lssc_m1; 939126258Smlaier u_int lssc_d; 940126258Smlaier u_int lssc_m2; 941126258Smlaier /* upper-limit service curve */ 942126258Smlaier u_int ulsc_m1; 943126258Smlaier u_int ulsc_d; 944126258Smlaier u_int ulsc_m2; 945126258Smlaier int flags; 946126258Smlaier}; 947126258Smlaier 948126258Smlaierstruct pf_altq { 949126258Smlaier char ifname[IFNAMSIZ]; 950126258Smlaier 951126258Smlaier void *altq_disc; /* discipline-specific state */ 952126258Smlaier TAILQ_ENTRY(pf_altq) entries; 953126258Smlaier 954126258Smlaier /* scheduler spec */ 955126258Smlaier u_int8_t scheduler; /* scheduler type */ 956126258Smlaier u_int16_t tbrsize; /* tokenbucket regulator size */ 957126258Smlaier u_int32_t ifbandwidth; /* interface bandwidth */ 958126258Smlaier 959126258Smlaier /* queue spec */ 960126258Smlaier char qname[PF_QNAME_SIZE]; /* queue name */ 961126258Smlaier char parent[PF_QNAME_SIZE]; /* parent name */ 962126258Smlaier u_int32_t parent_qid; /* parent queue id */ 963126258Smlaier u_int32_t bandwidth; /* queue bandwidth */ 964126258Smlaier u_int8_t priority; /* priority */ 965126258Smlaier u_int16_t qlimit; /* queue size limit */ 966126258Smlaier u_int16_t flags; /* misc flags */ 967126258Smlaier union { 968126258Smlaier struct cbq_opts cbq_opts; 969126258Smlaier struct priq_opts priq_opts; 970126258Smlaier struct hfsc_opts hfsc_opts; 971126258Smlaier } pq_u; 972126258Smlaier 973126258Smlaier u_int32_t qid; /* return value */ 974126258Smlaier}; 975126258Smlaier 976126258Smlaierstruct pf_tag { 977126258Smlaier u_int16_t tag; /* tag id */ 978126258Smlaier}; 979126258Smlaier 980126258Smlaierstruct pf_tagname { 981126258Smlaier TAILQ_ENTRY(pf_tagname) entries; 982126258Smlaier char name[PF_TAG_NAME_SIZE]; 983126258Smlaier u_int16_t tag; 984126258Smlaier int ref; 985126258Smlaier}; 986126258Smlaier 987126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 988126258Smlaier#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */ 989126258Smlaier#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */ 990126258Smlaier#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */ 991126258Smlaier 992126258Smlaier/* 993126258Smlaier * ioctl parameter structures 994126258Smlaier */ 995126258Smlaier 996126258Smlaierstruct pfioc_pooladdr { 997126258Smlaier u_int32_t action; 998126258Smlaier u_int32_t ticket; 999126258Smlaier u_int32_t nr; 1000126258Smlaier u_int32_t r_num; 1001126258Smlaier u_int8_t r_action; 1002126258Smlaier u_int8_t r_last; 1003126258Smlaier u_int8_t af; 1004126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1005126258Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1006126258Smlaier struct pf_pooladdr addr; 1007126258Smlaier}; 1008126258Smlaier 1009126258Smlaierstruct pfioc_rule { 1010126258Smlaier u_int32_t action; 1011126258Smlaier u_int32_t ticket; 1012126258Smlaier u_int32_t pool_ticket; 1013126258Smlaier u_int32_t nr; 1014126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1015126258Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1016126258Smlaier struct pf_rule rule; 1017126258Smlaier}; 1018126258Smlaier 1019126258Smlaierstruct pfioc_natlook { 1020126258Smlaier struct pf_addr saddr; 1021126258Smlaier struct pf_addr daddr; 1022126258Smlaier struct pf_addr rsaddr; 1023126258Smlaier struct pf_addr rdaddr; 1024126258Smlaier u_int16_t sport; 1025126258Smlaier u_int16_t dport; 1026126258Smlaier u_int16_t rsport; 1027126258Smlaier u_int16_t rdport; 1028126258Smlaier sa_family_t af; 1029126258Smlaier u_int8_t proto; 1030126258Smlaier u_int8_t direction; 1031126258Smlaier}; 1032126258Smlaier 1033126258Smlaierstruct pfioc_state { 1034126258Smlaier u_int32_t nr; 1035126258Smlaier struct pf_state state; 1036126258Smlaier}; 1037126258Smlaier 1038126258Smlaierstruct pfioc_state_kill { 1039126258Smlaier /* XXX returns the number of states killed in psk_af */ 1040126258Smlaier sa_family_t psk_af; 1041126258Smlaier int psk_proto; 1042126258Smlaier struct pf_rule_addr psk_src; 1043126258Smlaier struct pf_rule_addr psk_dst; 1044126258Smlaier}; 1045126258Smlaier 1046126258Smlaierstruct pfioc_states { 1047126258Smlaier int ps_len; 1048126258Smlaier union { 1049126258Smlaier caddr_t psu_buf; 1050126258Smlaier struct pf_state *psu_states; 1051126258Smlaier } ps_u; 1052126258Smlaier#define ps_buf ps_u.psu_buf 1053126258Smlaier#define ps_states ps_u.psu_states 1054126258Smlaier}; 1055126258Smlaier 1056126258Smlaierstruct pfioc_if { 1057126258Smlaier char ifname[IFNAMSIZ]; 1058126258Smlaier}; 1059126258Smlaier 1060126258Smlaierstruct pfioc_tm { 1061126258Smlaier int timeout; 1062126258Smlaier int seconds; 1063126258Smlaier}; 1064126258Smlaier 1065126258Smlaierstruct pfioc_limit { 1066126258Smlaier int index; 1067126258Smlaier unsigned limit; 1068126258Smlaier}; 1069126258Smlaier 1070126258Smlaierstruct pfioc_altq { 1071126258Smlaier u_int32_t action; 1072126258Smlaier u_int32_t ticket; 1073126258Smlaier u_int32_t nr; 1074126258Smlaier struct pf_altq altq; 1075126258Smlaier}; 1076126258Smlaier 1077126258Smlaierstruct pfioc_qstats { 1078126258Smlaier u_int32_t ticket; 1079126258Smlaier u_int32_t nr; 1080126258Smlaier void *buf; 1081126258Smlaier int nbytes; 1082126258Smlaier u_int8_t scheduler; 1083126258Smlaier}; 1084126258Smlaier 1085126258Smlaierstruct pfioc_anchor { 1086126258Smlaier u_int32_t nr; 1087126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1088126258Smlaier}; 1089126258Smlaier 1090126258Smlaierstruct pfioc_ruleset { 1091126258Smlaier u_int32_t nr; 1092126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1093126258Smlaier char name[PF_RULESET_NAME_SIZE]; 1094126258Smlaier}; 1095126258Smlaier 1096126258Smlaier#define PFR_FLAG_ATOMIC 0x00000001 1097126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1098126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1099126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1100126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1101126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1102126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1103126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1104126258Smlaier 1105126258Smlaierstruct pfioc_table { 1106126258Smlaier struct pfr_table pfrio_table; 1107126258Smlaier void *pfrio_buffer; 1108126258Smlaier int pfrio_esize; 1109126258Smlaier int pfrio_size; 1110126258Smlaier int pfrio_size2; 1111126258Smlaier int pfrio_nadd; 1112126258Smlaier int pfrio_ndel; 1113126258Smlaier int pfrio_nchange; 1114126258Smlaier int pfrio_flags; 1115126258Smlaier u_int32_t pfrio_ticket; 1116126258Smlaier}; 1117126258Smlaier#define pfrio_exists pfrio_nadd 1118126258Smlaier#define pfrio_nzero pfrio_nadd 1119126258Smlaier#define pfrio_nmatch pfrio_nadd 1120126258Smlaier#define pfrio_naddr pfrio_size2 1121126258Smlaier#define pfrio_setflag pfrio_size2 1122126258Smlaier#define pfrio_clrflag pfrio_nadd 1123126258Smlaier 1124126258Smlaier 1125126258Smlaier/* 1126126258Smlaier * ioctl operations 1127126258Smlaier */ 1128126258Smlaier 1129126258Smlaier#define DIOCSTART _IO ('D', 1) 1130126258Smlaier#define DIOCSTOP _IO ('D', 2) 1131126258Smlaier#define DIOCBEGINRULES _IOWR('D', 3, struct pfioc_rule) 1132126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1133126258Smlaier#define DIOCCOMMITRULES _IOWR('D', 5, struct pfioc_rule) 1134126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1135126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1136126258Smlaier/* XXX cut 8 - 17 */ 1137126258Smlaier#define DIOCCLRSTATES _IO ('D', 18) 1138126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1139126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1140126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1141126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1142126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1143126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1144126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1145126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1146126258Smlaier/* XXX cut 26 - 28 */ 1147126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1148126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1149126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1150126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1151126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1152126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1153126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1154126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1155126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1156126258Smlaier#define DIOCBEGINALTQS _IOWR('D', 44, u_int32_t) 1157126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1158126258Smlaier#define DIOCCOMMITALTQS _IOWR('D', 46, u_int32_t) 1159126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1160126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1161126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1162126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1163126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1164126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1165126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1166126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1167126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1168126258Smlaier#define DIOCGETANCHORS _IOWR('D', 56, struct pfioc_anchor) 1169126258Smlaier#define DIOCGETANCHOR _IOWR('D', 57, struct pfioc_anchor) 1170126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1171126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1172126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1173126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1174126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1175126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1176126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1177126258Smlaier#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1178126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1179126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1180126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1181126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1182126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1183126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1184126258Smlaier#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1185126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1186126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1187126258Smlaier#define DIOCRINABEGIN _IOWR('D', 75, struct pfioc_table) 1188126258Smlaier#define DIOCRINACOMMIT _IOWR('D', 76, struct pfioc_table) 1189126258Smlaier#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1190126258Smlaier#define DIOCOSFPFLUSH _IO('D', 78) 1191126258Smlaier#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1192126258Smlaier#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1193126261Smlaier#if defined(__FreeBSD__) 1194126261Smlaierstruct pf_ifspeed { 1195126261Smlaier char ifname[IFNAMSIZ]; 1196126261Smlaier u_int32_t baudrate; 1197126261Smlaier}; 1198126261Smlaier#define DIOCGIFSPEED _IOWR('D', 81, struct pf_ifspeed) 1199126261Smlaier#endif 1200126258Smlaier 1201126258Smlaier#ifdef _KERNEL 1202126258SmlaierRB_HEAD(pf_state_tree, pf_tree_node); 1203126258SmlaierRB_PROTOTYPE(pf_state_tree, pf_tree_node, entry, pf_state_compare); 1204126258Smlaierextern struct pf_state_tree tree_lan_ext, tree_ext_gwy; 1205126258Smlaier 1206126258Smlaierextern struct pf_anchorqueue pf_anchors; 1207126258Smlaierextern struct pf_ruleset pf_main_ruleset; 1208126258SmlaierTAILQ_HEAD(pf_poolqueue, pf_pool); 1209126258Smlaierextern struct pf_poolqueue pf_pools[2]; 1210126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1211126258Smlaierextern struct pf_altqqueue pf_altqs[2]; 1212126258Smlaierextern struct pf_palist pf_pabuf; 1213126258Smlaier 1214126258Smlaier 1215126258Smlaierextern u_int32_t ticket_altqs_active; 1216126258Smlaierextern u_int32_t ticket_altqs_inactive; 1217126258Smlaierextern u_int32_t ticket_pabuf; 1218126258Smlaierextern struct pf_altqqueue *pf_altqs_active; 1219126258Smlaierextern struct pf_altqqueue *pf_altqs_inactive; 1220126258Smlaierextern struct pf_poolqueue *pf_pools_active; 1221126258Smlaierextern struct pf_poolqueue *pf_pools_inactive; 1222126258Smlaierextern int pf_tbladdr_setup(struct pf_ruleset *, 1223126258Smlaier struct pf_addr_wrap *); 1224126258Smlaierextern void pf_tbladdr_remove(struct pf_addr_wrap *); 1225126258Smlaierextern void pf_tbladdr_copyout(struct pf_addr_wrap *); 1226126258Smlaierextern int pf_dynaddr_setup(struct pf_addr_wrap *, 1227126258Smlaier sa_family_t); 1228126258Smlaierextern void pf_dynaddr_copyout(struct pf_addr_wrap *); 1229126258Smlaierextern void pf_dynaddr_remove(struct pf_addr_wrap *); 1230126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1231126258Smlaierextern void pf_rule_set_qid(struct pf_rulequeue *); 1232126258Smlaierextern u_int32_t pf_qname_to_qid(char *); 1233126258Smlaierextern void pf_update_anchor_rules(void); 1234126261Smlaier#if defined(__FreeBSD__) 1235126261Smlaierextern uma_zone_t pf_tree_pl, pf_rule_pl, pf_addr_pl; 1236126261Smlaierextern uma_zone_t pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1237126261Smlaierextern uma_zone_t pfr_ktable_pl, pfr_kentry_pl; 1238126261Smlaierextern uma_zone_t pf_cache_pl, pf_cent_pl; 1239126261Smlaierextern uma_zone_t pf_state_scrub_pl; 1240126261Smlaier#else 1241126258Smlaierextern struct pool pf_tree_pl, pf_rule_pl, pf_addr_pl; 1242126258Smlaierextern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1243126258Smlaierextern struct pool pf_state_scrub_pl; 1244126261Smlaier#endif 1245126258Smlaierextern void pf_purge_timeout(void *); 1246126258Smlaierextern void pf_purge_expired_states(void); 1247126258Smlaierextern int pf_insert_state(struct pf_state *); 1248126258Smlaierextern struct pf_state *pf_find_state(struct pf_state_tree *, 1249126258Smlaier struct pf_tree_node *); 1250126258Smlaierextern struct pf_anchor *pf_find_anchor(const char *); 1251126258Smlaierextern struct pf_ruleset *pf_find_ruleset(char *, char *); 1252126258Smlaierextern struct pf_ruleset *pf_find_or_create_ruleset(char *, char *); 1253126258Smlaierextern void pf_remove_if_empty_ruleset( 1254126258Smlaier struct pf_ruleset *); 1255126258Smlaier 1256126258Smlaierextern struct ifnet *status_ifp; 1257126258Smlaierextern struct pf_rule pf_default_rule; 1258126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1259126258Smlaier u_int8_t); 1260126258Smlaiervoid pf_rm_rule(struct pf_rulequeue *, 1261126258Smlaier struct pf_rule *); 1262126258Smlaier 1263126258Smlaier#ifdef INET 1264126258Smlaierint pf_test(int, struct ifnet *, struct mbuf **); 1265126258Smlaier#endif /* INET */ 1266126258Smlaier 1267126258Smlaier#ifdef INET6 1268126258Smlaierint pf_test6(int, struct ifnet *, struct mbuf **); 1269126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1270126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1271126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1272126258Smlaier#endif /* INET6 */ 1273126258Smlaier 1274126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1275126258Smlaier sa_family_t); 1276126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1277126258Smlaierint pflog_packet(struct ifnet *, struct mbuf *, sa_family_t, u_int8_t, 1278126258Smlaier u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *); 1279126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1280126258Smlaier struct pf_addr *, sa_family_t); 1281126258Smlaierint pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t); 1282126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1283126258Smlaierint pf_match_uid(u_int8_t, uid_t, uid_t, uid_t); 1284126258Smlaierint pf_match_gid(u_int8_t, gid_t, gid_t, gid_t); 1285126258Smlaier 1286126258Smlaiervoid pf_normalize_init(void); 1287126258Smlaierint pf_normalize_ip(struct mbuf **, int, struct ifnet *, u_short *); 1288126258Smlaierint pf_normalize_ip6(struct mbuf **, int, struct ifnet *, u_short *); 1289126258Smlaierint pf_normalize_tcp(int, struct ifnet *, struct mbuf *, int, int, void *, 1290126258Smlaier struct pf_pdesc *); 1291126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1292126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1293126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1294126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1295126258Smlaier u_short *, struct tcphdr *, struct pf_state_peer *, 1296126258Smlaier struct pf_state_peer *, int *); 1297126258Smlaieru_int32_t 1298126258Smlaier pf_state_expires(const struct pf_state *); 1299126258Smlaiervoid pf_purge_expired_fragments(void); 1300126258Smlaierint pf_routable(struct pf_addr *addr, sa_family_t af); 1301126258Smlaiervoid pfr_initialize(void); 1302126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 1303126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 1304126258Smlaier u_int64_t, int, int, int); 1305126258Smlaierint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, 1306126258Smlaier struct pf_addr **, struct pf_addr **, sa_family_t); 1307126258Smlaierstruct pfr_ktable * 1308126258Smlaier pfr_attach_table(struct pf_ruleset *, char *); 1309126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 1310126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 1311126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 1312126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 1313126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 1314126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 1315126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 1316126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 1317126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 1318126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1319126258Smlaier int); 1320126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1321126258Smlaier int); 1322126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1323126258Smlaier int *, int *, int *, int); 1324126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 1325126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 1326126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 1327126258Smlaier int); 1328126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1329126258Smlaier int); 1330126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 1331126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 1332126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 1333126258Smlaier int *, u_int32_t, int); 1334126258Smlaier 1335126258Smlaieru_int16_t pf_tagname2tag(char *); 1336126258Smlaiervoid pf_tag2tagname(u_int16_t, char *); 1337126258Smlaiervoid pf_tag_unref(u_int16_t); 1338126258Smlaierint pf_tag_packet(struct mbuf *, struct pf_tag *, int); 1339126258Smlaier 1340126258Smlaierextern struct pf_status pf_status; 1341126261Smlaier 1342126261Smlaier#if defined(__FreeBSD__) 1343126261Smlaierextern uma_zone_t pf_frent_pl, pf_frag_pl; 1344126261Smlaier#else 1345126258Smlaierextern struct pool pf_frent_pl, pf_frag_pl; 1346126261Smlaier#endif 1347126258Smlaier 1348126258Smlaierstruct pf_pool_limit { 1349126258Smlaier void *pp; 1350126258Smlaier unsigned limit; 1351126258Smlaier}; 1352126258Smlaierextern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX]; 1353126258Smlaier 1354126261Smlaier#if defined(__FreeBSD__) 1355126261Smlaierstruct pf_frent { 1356126261Smlaier LIST_ENTRY(pf_frent) fr_next; 1357126261Smlaier struct ip *fr_ip; 1358126261Smlaier struct mbuf *fr_m; 1359126261Smlaier}; 1360126261Smlaier 1361126261Smlaierstruct pf_frcache { 1362126261Smlaier LIST_ENTRY(pf_frcache) fr_next; 1363126261Smlaier uint16_t fr_off; 1364126261Smlaier uint16_t fr_end; 1365126261Smlaier}; 1366126261Smlaier 1367126261Smlaierstruct pf_fragment { 1368126261Smlaier RB_ENTRY(pf_fragment) fr_entry; 1369126261Smlaier TAILQ_ENTRY(pf_fragment) frag_next; 1370126261Smlaier struct in_addr fr_src; 1371126261Smlaier struct in_addr fr_dst; 1372126261Smlaier u_int8_t fr_p; /* protocol of this fragment */ 1373126261Smlaier u_int8_t fr_flags; /* status flags */ 1374126261Smlaier u_int16_t fr_id; /* fragment id for reassemble */ 1375126261Smlaier u_int16_t fr_max; /* fragment data max */ 1376126261Smlaier u_int32_t fr_timeout; 1377126261Smlaier#define fr_queue fr_u.fru_queue 1378126261Smlaier#define fr_cache fr_u.fru_cache 1379126261Smlaier union { 1380126261Smlaier LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */ 1381126261Smlaier LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */ 1382126261Smlaier } fr_u; 1383126261Smlaier}; 1384126261Smlaier#endif /* (__FreeBSD__) */ 1385126261Smlaier 1386126258Smlaier#endif /* _KERNEL */ 1387126258Smlaier 1388126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 1389126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 1390126258Smlaier#ifdef _KERNEL 1391126258Smlaierstruct pf_osfp_enlist * 1392126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 1393126258Smlaier const struct tcphdr *); 1394126258Smlaier#endif /* _KERNEL */ 1395126258Smlaierstruct pf_osfp_enlist * 1396126258Smlaier pf_osfp_fingerprint_hdr(const struct ip *, const struct tcphdr *); 1397126258Smlaiervoid pf_osfp_flush(void); 1398126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 1399126261Smlaier#if defined(__FreeBSD__) 1400126261Smlaierint pf_osfp_initialize(void); 1401126261Smlaiervoid pf_osfp_cleanup(void); 1402126261Smlaier#else 1403126258Smlaiervoid pf_osfp_initialize(void); 1404126261Smlaier#endif 1405126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 1406126258Smlaierstruct pf_os_fingerprint * 1407126258Smlaier pf_osfp_validate(void); 1408126258Smlaier 1409126258Smlaier 1410126258Smlaier#endif /* _NET_PFVAR_H_ */ 1411