1126258Smlaier/* 2126258Smlaier * Copyright (c) 2001 Daniel Hartmeier 3126258Smlaier * All rights reserved. 4126258Smlaier * 5126258Smlaier * Redistribution and use in source and binary forms, with or without 6126258Smlaier * modification, are permitted provided that the following conditions 7126258Smlaier * are met: 8126258Smlaier * 9126258Smlaier * - Redistributions of source code must retain the above copyright 10126258Smlaier * notice, this list of conditions and the following disclaimer. 11126258Smlaier * - Redistributions in binary form must reproduce the above 12126258Smlaier * copyright notice, this list of conditions and the following 13126258Smlaier * disclaimer in the documentation and/or other materials provided 14126258Smlaier * with the distribution. 15126258Smlaier * 16126258Smlaier * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17126258Smlaier * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18126258Smlaier * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 19126258Smlaier * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 20126258Smlaier * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 21126258Smlaier * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22126258Smlaier * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23126258Smlaier * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 24126258Smlaier * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25126258Smlaier * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 26126258Smlaier * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27126258Smlaier * POSSIBILITY OF SUCH DAMAGE. 28126258Smlaier * 29240644Sglebius * $OpenBSD: pfvar.h,v 1.282 2009/01/29 15:12:28 pyr Exp $ 30240640Sglebius * $FreeBSD: stable/10/sys/net/pfvar.h 332494 2018-04-13 22:33:18Z kp $ 31126258Smlaier */ 32126258Smlaier 33126258Smlaier#ifndef _NET_PFVAR_H_ 34126258Smlaier#define _NET_PFVAR_H_ 35126258Smlaier 36145836Smlaier#include <sys/param.h> 37126258Smlaier#include <sys/queue.h> 38263029Sglebius#include <sys/counter.h> 39240233Sglebius#include <sys/refcount.h> 40126258Smlaier#include <sys/tree.h> 41126258Smlaier 42126258Smlaier#include <net/radix.h> 43126261Smlaier#include <netinet/in.h> 44126261Smlaier 45263086Sglebius#include <netpfil/pf/pf.h> 46263086Sglebius#include <netpfil/pf/pf_altq.h> 47263086Sglebius#include <netpfil/pf/pf_mtag.h> 48126258Smlaier 49126258Smlaierstruct pf_addr { 50126258Smlaier union { 51126258Smlaier struct in_addr v4; 52126258Smlaier struct in6_addr v6; 53126258Smlaier u_int8_t addr8[16]; 54126258Smlaier u_int16_t addr16[8]; 55126258Smlaier u_int32_t addr32[4]; 56126258Smlaier } pfa; /* 128-bit address */ 57126258Smlaier#define v4 pfa.v4 58126258Smlaier#define v6 pfa.v6 59126258Smlaier#define addr8 pfa.addr8 60126258Smlaier#define addr16 pfa.addr16 61126258Smlaier#define addr32 pfa.addr32 62126258Smlaier}; 63126258Smlaier 64130613Smlaier#define PFI_AFLAG_NETWORK 0x01 65130613Smlaier#define PFI_AFLAG_BROADCAST 0x02 66130613Smlaier#define PFI_AFLAG_PEER 0x04 67130613Smlaier#define PFI_AFLAG_MODEMASK 0x07 68130613Smlaier#define PFI_AFLAG_NOALIAS 0x08 69130613Smlaier 70126258Smlaierstruct pf_addr_wrap { 71126258Smlaier union { 72126258Smlaier struct { 73126258Smlaier struct pf_addr addr; 74126258Smlaier struct pf_addr mask; 75126258Smlaier } a; 76126258Smlaier char ifname[IFNAMSIZ]; 77126258Smlaier char tblname[PF_TABLE_NAME_SIZE]; 78126258Smlaier } v; 79126258Smlaier union { 80130613Smlaier struct pfi_dynaddr *dyn; 81126258Smlaier struct pfr_ktable *tbl; 82130613Smlaier int dyncnt; 83126258Smlaier int tblcnt; 84126258Smlaier } p; 85126258Smlaier u_int8_t type; /* PF_ADDR_* */ 86130613Smlaier u_int8_t iflags; /* PFI_AFLAG_* */ 87126258Smlaier}; 88126258Smlaier 89127145Smlaier#ifdef _KERNEL 90127145Smlaier 91130613Smlaierstruct pfi_dynaddr { 92171168Smlaier TAILQ_ENTRY(pfi_dynaddr) entry; 93171168Smlaier struct pf_addr pfid_addr4; 94171168Smlaier struct pf_addr pfid_mask4; 95171168Smlaier struct pf_addr pfid_addr6; 96171168Smlaier struct pf_addr pfid_mask6; 97171168Smlaier struct pfr_ktable *pfid_kt; 98171168Smlaier struct pfi_kif *pfid_kif; 99171168Smlaier int pfid_net; /* mask or 128 */ 100171168Smlaier int pfid_acnt4; /* address count IPv4 */ 101171168Smlaier int pfid_acnt6; /* address count IPv6 */ 102171168Smlaier sa_family_t pfid_af; /* rule af */ 103171168Smlaier u_int8_t pfid_iflags; /* PFI_AFLAG_* */ 104126258Smlaier}; 105126258Smlaier 106126258Smlaier/* 107126258Smlaier * Address manipulation macros 108126258Smlaier */ 109126263Smlaier#define HTONL(x) (x) = htonl((__uint32_t)(x)) 110126263Smlaier#define HTONS(x) (x) = htons((__uint16_t)(x)) 111126263Smlaier#define NTOHL(x) (x) = ntohl((__uint32_t)(x)) 112126263Smlaier#define NTOHS(x) (x) = ntohs((__uint16_t)(x)) 113126263Smlaier 114223637Sbz#define PF_NAME "pf" 115126261Smlaier 116240233Sglebius#define PF_HASHROW_ASSERT(h) mtx_assert(&(h)->lock, MA_OWNED) 117240233Sglebius#define PF_HASHROW_LOCK(h) mtx_lock(&(h)->lock) 118240233Sglebius#define PF_HASHROW_UNLOCK(h) mtx_unlock(&(h)->lock) 119126261Smlaier 120240233Sglebius#define PF_STATE_LOCK(s) \ 121240233Sglebius do { \ 122240233Sglebius struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(s)]; \ 123240233Sglebius PF_HASHROW_LOCK(_ih); \ 124240233Sglebius } while (0) 125126261Smlaier 126240233Sglebius#define PF_STATE_UNLOCK(s) \ 127240233Sglebius do { \ 128240233Sglebius struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH((s))]; \ 129240233Sglebius PF_HASHROW_UNLOCK(_ih); \ 130240233Sglebius } while (0) 131223637Sbz 132240233Sglebius#ifdef INVARIANTS 133240233Sglebius#define PF_STATE_LOCK_ASSERT(s) \ 134240233Sglebius do { \ 135240233Sglebius struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(s)]; \ 136240233Sglebius PF_HASHROW_ASSERT(_ih); \ 137240233Sglebius } while (0) 138240233Sglebius#else /* !INVARIANTS */ 139240233Sglebius#define PF_STATE_LOCK_ASSERT(s) do {} while (0) 140240233Sglebius#endif /* INVARIANTS */ 141126261Smlaier 142240233Sglebiusextern struct mtx pf_unlnkdrules_mtx; 143240233Sglebius#define PF_UNLNKDRULES_LOCK() mtx_lock(&pf_unlnkdrules_mtx) 144240233Sglebius#define PF_UNLNKDRULES_UNLOCK() mtx_unlock(&pf_unlnkdrules_mtx) 145126261Smlaier 146240233Sglebiusextern struct rwlock pf_rules_lock; 147240233Sglebius#define PF_RULES_RLOCK() rw_rlock(&pf_rules_lock) 148240233Sglebius#define PF_RULES_RUNLOCK() rw_runlock(&pf_rules_lock) 149240233Sglebius#define PF_RULES_WLOCK() rw_wlock(&pf_rules_lock) 150240233Sglebius#define PF_RULES_WUNLOCK() rw_wunlock(&pf_rules_lock) 151240233Sglebius#define PF_RULES_ASSERT() rw_assert(&pf_rules_lock, RA_LOCKED) 152240233Sglebius#define PF_RULES_RASSERT() rw_assert(&pf_rules_lock, RA_RLOCKED) 153240233Sglebius#define PF_RULES_WASSERT() rw_assert(&pf_rules_lock, RA_WLOCKED) 154126261Smlaier 155223637Sbz#define PF_MODVER 1 156223637Sbz#define PFLOG_MODVER 1 157223637Sbz#define PFSYNC_MODVER 1 158126261Smlaier 159223637Sbz#define PFLOG_MINVER 1 160223637Sbz#define PFLOG_PREFVER PFLOG_MODVER 161223637Sbz#define PFLOG_MAXVER 1 162223637Sbz#define PFSYNC_MINVER 1 163223637Sbz#define PFSYNC_PREFVER PFSYNC_MODVER 164223637Sbz#define PFSYNC_MAXVER 1 165240233Sglebius 166126258Smlaier#ifdef INET 167126258Smlaier#ifndef INET6 168223637Sbz#define PF_INET_ONLY 169126258Smlaier#endif /* ! INET6 */ 170126258Smlaier#endif /* INET */ 171126258Smlaier 172126258Smlaier#ifdef INET6 173126258Smlaier#ifndef INET 174223637Sbz#define PF_INET6_ONLY 175126258Smlaier#endif /* ! INET */ 176126258Smlaier#endif /* INET6 */ 177126258Smlaier 178126258Smlaier#ifdef INET 179126258Smlaier#ifdef INET6 180223637Sbz#define PF_INET_INET6 181126258Smlaier#endif /* INET6 */ 182126258Smlaier#endif /* INET */ 183126258Smlaier 184126258Smlaier#else 185126258Smlaier 186223637Sbz#define PF_INET_INET6 187126258Smlaier 188126258Smlaier#endif /* _KERNEL */ 189126258Smlaier 190126258Smlaier/* Both IPv4 and IPv6 */ 191126258Smlaier#ifdef PF_INET_INET6 192126258Smlaier 193126258Smlaier#define PF_AEQ(a, b, c) \ 194126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 195282689Sgnn (c == AF_INET6 && (a)->addr32[3] == (b)->addr32[3] && \ 196126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 197126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 198126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 199126258Smlaier 200126258Smlaier#define PF_ANEQ(a, b, c) \ 201304293Skp ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 202304293Skp (c == AF_INET6 && ((a)->addr32[0] != (b)->addr32[0] || \ 203282689Sgnn (a)->addr32[1] != (b)->addr32[1] || \ 204126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 205304293Skp (a)->addr32[3] != (b)->addr32[3]))) \ 206126258Smlaier 207126258Smlaier#define PF_AZERO(a, c) \ 208126258Smlaier ((c == AF_INET && !(a)->addr32[0]) || \ 209282689Sgnn (c == AF_INET6 && !(a)->addr32[0] && !(a)->addr32[1] && \ 210126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 211126258Smlaier 212126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 213126258Smlaier pf_match_addr(n, a, m, b, f) 214126258Smlaier 215126258Smlaier#define PF_ACPY(a, b, f) \ 216126258Smlaier pf_addrcpy(a, b, f) 217126258Smlaier 218126258Smlaier#define PF_AINC(a, f) \ 219126258Smlaier pf_addr_inc(a, f) 220126258Smlaier 221126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 222126258Smlaier pf_poolmask(a, b, c, d, f) 223126258Smlaier 224126258Smlaier#else 225126258Smlaier 226126258Smlaier/* Just IPv6 */ 227126258Smlaier 228126258Smlaier#ifdef PF_INET6_ONLY 229126258Smlaier 230126258Smlaier#define PF_AEQ(a, b, c) \ 231126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 232126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 233126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 234126258Smlaier (a)->addr32[0] == (b)->addr32[0]) \ 235126258Smlaier 236126258Smlaier#define PF_ANEQ(a, b, c) \ 237126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 238126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 239126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 240126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 241126258Smlaier 242126258Smlaier#define PF_AZERO(a, c) \ 243126258Smlaier (!(a)->addr32[0] && \ 244126258Smlaier !(a)->addr32[1] && \ 245126258Smlaier !(a)->addr32[2] && \ 246126258Smlaier !(a)->addr32[3] ) \ 247126258Smlaier 248126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 249126258Smlaier pf_match_addr(n, a, m, b, f) 250126258Smlaier 251126258Smlaier#define PF_ACPY(a, b, f) \ 252126258Smlaier pf_addrcpy(a, b, f) 253126258Smlaier 254126258Smlaier#define PF_AINC(a, f) \ 255126258Smlaier pf_addr_inc(a, f) 256126258Smlaier 257126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 258126258Smlaier pf_poolmask(a, b, c, d, f) 259126258Smlaier 260126258Smlaier#else 261126258Smlaier 262126258Smlaier/* Just IPv4 */ 263126258Smlaier#ifdef PF_INET_ONLY 264126258Smlaier 265126258Smlaier#define PF_AEQ(a, b, c) \ 266126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 267126258Smlaier 268126258Smlaier#define PF_ANEQ(a, b, c) \ 269126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 270126258Smlaier 271126258Smlaier#define PF_AZERO(a, c) \ 272126258Smlaier (!(a)->addr32[0]) 273126258Smlaier 274126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 275126258Smlaier pf_match_addr(n, a, m, b, f) 276126258Smlaier 277126258Smlaier#define PF_ACPY(a, b, f) \ 278126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 279126258Smlaier 280126258Smlaier#define PF_AINC(a, f) \ 281126258Smlaier do { \ 282126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 283126258Smlaier } while (0) 284126258Smlaier 285126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 286126258Smlaier do { \ 287126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 288126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 289126258Smlaier } while (0) 290126258Smlaier 291126258Smlaier#endif /* PF_INET_ONLY */ 292126258Smlaier#endif /* PF_INET6_ONLY */ 293126258Smlaier#endif /* PF_INET_INET6 */ 294126258Smlaier 295231852Sbz/* 296231852Sbz * XXX callers not FIB-aware in our version of pf yet. 297231852Sbz * OpenBSD fixed it later it seems, 2010/05/07 13:33:16 claudio. 298231852Sbz */ 299231852Sbz#define PF_MISMATCHAW(aw, x, af, neg, ifp, rtid) \ 300171168Smlaier ( \ 301171168Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 302231852Sbz pf_routable((x), (af), NULL, (rtid))) || \ 303171168Smlaier (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \ 304231852Sbz pf_routable((x), (af), (ifp), (rtid))) || \ 305171168Smlaier ((aw)->type == PF_ADDR_TABLE && \ 306171168Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 307171168Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 308223637Sbz !pfi_match_addr((aw)->p.dyn, (x), (af))) || \ 309223637Sbz ((aw)->type == PF_ADDR_RANGE && \ 310223637Sbz !pf_match_addr_range(&(aw)->v.a.addr, \ 311223637Sbz &(aw)->v.a.mask, (x), (af))) || \ 312171168Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 313171168Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 314171168Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 315171168Smlaier &(aw)->v.a.mask, (x), (af))))) != \ 316171168Smlaier (neg) \ 317126258Smlaier ) 318126258Smlaier 319171168Smlaier 320126258Smlaierstruct pf_rule_uid { 321126258Smlaier uid_t uid[2]; 322126258Smlaier u_int8_t op; 323126258Smlaier}; 324126258Smlaier 325126258Smlaierstruct pf_rule_gid { 326126258Smlaier uid_t gid[2]; 327126258Smlaier u_int8_t op; 328126258Smlaier}; 329126258Smlaier 330126258Smlaierstruct pf_rule_addr { 331126258Smlaier struct pf_addr_wrap addr; 332126258Smlaier u_int16_t port[2]; 333145836Smlaier u_int8_t neg; 334126258Smlaier u_int8_t port_op; 335126258Smlaier}; 336126258Smlaier 337126258Smlaierstruct pf_pooladdr { 338126258Smlaier struct pf_addr_wrap addr; 339126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 340126258Smlaier char ifname[IFNAMSIZ]; 341130613Smlaier struct pfi_kif *kif; 342126258Smlaier}; 343126258Smlaier 344126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 345126258Smlaier 346126258Smlaierstruct pf_poolhashkey { 347126258Smlaier union { 348126258Smlaier u_int8_t key8[16]; 349126258Smlaier u_int16_t key16[8]; 350126258Smlaier u_int32_t key32[4]; 351126258Smlaier } pfk; /* 128-bit hash key */ 352126258Smlaier#define key8 pfk.key8 353126258Smlaier#define key16 pfk.key16 354126258Smlaier#define key32 pfk.key32 355126258Smlaier}; 356126258Smlaier 357126258Smlaierstruct pf_pool { 358126258Smlaier struct pf_palist list; 359126258Smlaier struct pf_pooladdr *cur; 360126258Smlaier struct pf_poolhashkey key; 361126258Smlaier struct pf_addr counter; 362126258Smlaier int tblidx; 363126258Smlaier u_int16_t proxy_port[2]; 364126258Smlaier u_int8_t opts; 365126258Smlaier}; 366126258Smlaier 367126258Smlaier 368126258Smlaier/* A packed Operating System description for fingerprinting */ 369126258Smlaiertypedef u_int32_t pf_osfp_t; 370126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 371126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 372126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 373126258Smlaier 374126258Smlaierstruct pf_osfp_entry { 375126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 376126258Smlaier pf_osfp_t fp_os; 377126258Smlaier int fp_enflags; 378126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 379126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 380126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 381126258Smlaier#define PF_OSFP_LEN 32 382126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 383126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 384126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 385126258Smlaier}; 386126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 387126258Smlaier ((a)->fp_os == (b)->fp_os && \ 388126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 389126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 390126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 391126258Smlaier 392126258Smlaier/* handle pf_osfp_t packing */ 393126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 394126258Smlaier#define _FP_UNUSED_BITS 1 395126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 396126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 397126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 398126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 399126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 400126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 401126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 402126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 403126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 404126258Smlaier} while(0) 405126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 406126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 407126258Smlaier + _FP_SUBTYPE_BITS); \ 408126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 409126258Smlaier _FP_SUBTYPE_BITS; \ 410126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 411126258Smlaier} while(0) 412126258Smlaier 413126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 414126258Smlaiertypedef u_int64_t pf_tcpopts_t; 415126258Smlaierstruct pf_os_fingerprint { 416126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 417126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 418126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 419126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 420126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 421126258Smlaier u_int16_t fp_flags; 422126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 423126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 424126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 425126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 426126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 427126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 428126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 429126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 430126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 431126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 432126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 433126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 434126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 435126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 436171168Smlaier#define PF_OSFP_INET6 0x4000 /* IPv6 */ 437126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 438126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 439126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 440126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 441126258Smlaier/* TCP options packing */ 442126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 443126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 444126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 445126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 446126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 447126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 448126258Smlaier#define PF_OSFP_MAX_OPTS \ 449126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 450126258Smlaier / PF_OSFP_TCPOPT_BITS 451126258Smlaier 452126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 453126258Smlaier}; 454126258Smlaier 455126258Smlaierstruct pf_osfp_ioctl { 456126258Smlaier struct pf_osfp_entry fp_os; 457126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 458126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 459126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 460126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 461126258Smlaier u_int16_t fp_flags; 462126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 463126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 464126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 465126258Smlaier 466126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 467126258Smlaier}; 468126258Smlaier 469126258Smlaier 470126258Smlaierunion pf_rule_ptr { 471126258Smlaier struct pf_rule *ptr; 472126258Smlaier u_int32_t nr; 473126258Smlaier}; 474126258Smlaier 475145836Smlaier#define PF_ANCHOR_NAME_SIZE 64 476145836Smlaier 477126258Smlaierstruct pf_rule { 478126258Smlaier struct pf_rule_addr src; 479126258Smlaier struct pf_rule_addr dst; 480126258Smlaier#define PF_SKIP_IFP 0 481126258Smlaier#define PF_SKIP_DIR 1 482126258Smlaier#define PF_SKIP_AF 2 483126258Smlaier#define PF_SKIP_PROTO 3 484126258Smlaier#define PF_SKIP_SRC_ADDR 4 485126258Smlaier#define PF_SKIP_SRC_PORT 5 486126258Smlaier#define PF_SKIP_DST_ADDR 6 487126258Smlaier#define PF_SKIP_DST_PORT 7 488126258Smlaier#define PF_SKIP_COUNT 8 489126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 490126258Smlaier#define PF_RULE_LABEL_SIZE 64 491126258Smlaier char label[PF_RULE_LABEL_SIZE]; 492126258Smlaier char ifname[IFNAMSIZ]; 493126258Smlaier char qname[PF_QNAME_SIZE]; 494126258Smlaier char pqname[PF_QNAME_SIZE]; 495171168Smlaier#define PF_TAG_NAME_SIZE 64 496126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 497126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 498126258Smlaier 499145836Smlaier char overload_tblname[PF_TABLE_NAME_SIZE]; 500145836Smlaier 501126258Smlaier TAILQ_ENTRY(pf_rule) entries; 502126258Smlaier struct pf_pool rpool; 503126258Smlaier 504126258Smlaier u_int64_t evaluations; 505171168Smlaier u_int64_t packets[2]; 506171168Smlaier u_int64_t bytes[2]; 507126258Smlaier 508130613Smlaier struct pfi_kif *kif; 509126258Smlaier struct pf_anchor *anchor; 510145836Smlaier struct pfr_ktable *overload_tbl; 511126258Smlaier 512126258Smlaier pf_osfp_t os_fingerprint; 513130613Smlaier 514171168Smlaier int rtableid; 515130613Smlaier u_int32_t timeout[PFTM_MAX]; 516126258Smlaier u_int32_t max_states; 517130613Smlaier u_int32_t max_src_nodes; 518130613Smlaier u_int32_t max_src_states; 519145836Smlaier u_int32_t max_src_conn; 520145836Smlaier struct { 521145836Smlaier u_int32_t limit; 522145836Smlaier u_int32_t seconds; 523145836Smlaier } max_src_conn_rate; 524126258Smlaier u_int32_t qid; 525126258Smlaier u_int32_t pqid; 526126258Smlaier u_int32_t rt_listid; 527126258Smlaier u_int32_t nr; 528145836Smlaier u_int32_t prob; 529171168Smlaier uid_t cuid; 530171168Smlaier pid_t cpid; 531126258Smlaier 532263029Sglebius counter_u64_t states_cur; 533263029Sglebius counter_u64_t states_tot; 534263029Sglebius counter_u64_t src_nodes; 535263029Sglebius 536126258Smlaier u_int16_t return_icmp; 537126258Smlaier u_int16_t return_icmp6; 538126258Smlaier u_int16_t max_mss; 539126258Smlaier u_int16_t tag; 540126258Smlaier u_int16_t match_tag; 541223637Sbz u_int16_t spare2; /* netgraph */ 542126258Smlaier 543126258Smlaier struct pf_rule_uid uid; 544126258Smlaier struct pf_rule_gid gid; 545126258Smlaier 546126258Smlaier u_int32_t rule_flag; 547126258Smlaier u_int8_t action; 548126258Smlaier u_int8_t direction; 549126258Smlaier u_int8_t log; 550171168Smlaier u_int8_t logif; 551126258Smlaier u_int8_t quick; 552126258Smlaier u_int8_t ifnot; 553126258Smlaier u_int8_t match_tag_not; 554126258Smlaier u_int8_t natpass; 555126258Smlaier 556126258Smlaier#define PF_STATE_NORMAL 0x1 557126258Smlaier#define PF_STATE_MODULATE 0x2 558126258Smlaier#define PF_STATE_SYNPROXY 0x3 559126258Smlaier u_int8_t keep_state; 560126258Smlaier sa_family_t af; 561126258Smlaier u_int8_t proto; 562126258Smlaier u_int8_t type; 563126258Smlaier u_int8_t code; 564126258Smlaier u_int8_t flags; 565126258Smlaier u_int8_t flagset; 566126258Smlaier u_int8_t min_ttl; 567126258Smlaier u_int8_t allow_opts; 568126258Smlaier u_int8_t rt; 569126258Smlaier u_int8_t return_ttl; 570126258Smlaier u_int8_t tos; 571223637Sbz u_int8_t set_tos; 572145836Smlaier u_int8_t anchor_relative; 573145836Smlaier u_int8_t anchor_wildcard; 574145836Smlaier 575145836Smlaier#define PF_FLUSH 0x01 576145836Smlaier#define PF_FLUSH_GLOBAL 0x02 577145836Smlaier u_int8_t flush; 578223637Sbz 579223637Sbz struct { 580223637Sbz struct pf_addr addr; 581223637Sbz u_int16_t port; 582223637Sbz } divert; 583263029Sglebius 584263029Sglebius uint64_t u_states_cur; 585263029Sglebius uint64_t u_states_tot; 586263029Sglebius uint64_t u_src_nodes; 587126258Smlaier}; 588126258Smlaier 589126258Smlaier/* rule flags */ 590126258Smlaier#define PFRULE_DROP 0x0000 591126258Smlaier#define PFRULE_RETURNRST 0x0001 592126258Smlaier#define PFRULE_FRAGMENT 0x0002 593126258Smlaier#define PFRULE_RETURNICMP 0x0004 594126258Smlaier#define PFRULE_RETURN 0x0008 595130613Smlaier#define PFRULE_NOSYNC 0x0010 596130613Smlaier#define PFRULE_SRCTRACK 0x0020 /* track source states */ 597130613Smlaier#define PFRULE_RULESRCTRACK 0x0040 /* per rule */ 598240233Sglebius#define PFRULE_REFS 0x0080 /* rule has references */ 599126258Smlaier 600126258Smlaier/* scrub flags */ 601126258Smlaier#define PFRULE_NODF 0x0100 602126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 603126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 604126258Smlaier#define PFRULE_RANDOMID 0x0800 605126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 606223637Sbz#define PFRULE_SET_TOS 0x2000 607126258Smlaier 608130613Smlaier/* rule flags again */ 609130613Smlaier#define PFRULE_IFBOUND 0x00010000 /* if-bound */ 610200930Sdelphij#define PFRULE_STATESLOPPY 0x00020000 /* sloppy state tracking */ 611130613Smlaier 612126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 613171168Smlaier#define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */ 614171168Smlaier#define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */ 615126258Smlaier 616145836Smlaier 617145836Smlaierstruct pf_threshold { 618145836Smlaier u_int32_t limit; 619145836Smlaier#define PF_THRESHOLD_MULT 1000 620145836Smlaier#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT 621145836Smlaier u_int32_t seconds; 622145836Smlaier u_int32_t count; 623145836Smlaier u_int32_t last; 624145836Smlaier}; 625145836Smlaier 626130613Smlaierstruct pf_src_node { 627240233Sglebius LIST_ENTRY(pf_src_node) entry; 628130613Smlaier struct pf_addr addr; 629130613Smlaier struct pf_addr raddr; 630130613Smlaier union pf_rule_ptr rule; 631130613Smlaier struct pfi_kif *kif; 632171168Smlaier u_int64_t bytes[2]; 633171168Smlaier u_int64_t packets[2]; 634130613Smlaier u_int32_t states; 635145836Smlaier u_int32_t conn; 636145836Smlaier struct pf_threshold conn_rate; 637130613Smlaier u_int32_t creation; 638130613Smlaier u_int32_t expire; 639130613Smlaier sa_family_t af; 640130613Smlaier u_int8_t ruletype; 641130613Smlaier}; 642126258Smlaier 643130613Smlaier#define PFSNODE_HIWAT 10000 /* default source node table size */ 644130613Smlaier 645126258Smlaierstruct pf_state_scrub { 646145836Smlaier struct timeval pfss_last; /* time received last packet */ 647145836Smlaier u_int32_t pfss_tsecr; /* last echoed timestamp */ 648145836Smlaier u_int32_t pfss_tsval; /* largest timestamp */ 649145836Smlaier u_int32_t pfss_tsval0; /* original timestamp */ 650126258Smlaier u_int16_t pfss_flags; 651145836Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 652145836Smlaier#define PFSS_PAWS 0x0010 /* stricter PAWS checks */ 653145836Smlaier#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */ 654145836Smlaier#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */ 655145836Smlaier#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */ 656145836Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 657126258Smlaier u_int8_t pad; 658145836Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 659126258Smlaier}; 660126258Smlaier 661126258Smlaierstruct pf_state_host { 662126258Smlaier struct pf_addr addr; 663126258Smlaier u_int16_t port; 664126258Smlaier u_int16_t pad; 665126258Smlaier}; 666126258Smlaier 667126258Smlaierstruct pf_state_peer { 668223637Sbz struct pf_state_scrub *scrub; /* state is scrubbed */ 669126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 670126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 671126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 672126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 673223637Sbz u_int16_t mss; /* Maximum segment size option */ 674126258Smlaier u_int8_t state; /* active state level */ 675126258Smlaier u_int8_t wscale; /* window scaling factor */ 676171168Smlaier u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */ 677223637Sbz u_int8_t pad[1]; 678126258Smlaier}; 679126258Smlaier 680240233Sglebius/* Keep synced with struct pf_state_key. */ 681223637Sbzstruct pf_state_key_cmp { 682223637Sbz struct pf_addr addr[2]; 683223637Sbz u_int16_t port[2]; 684171168Smlaier sa_family_t af; 685171168Smlaier u_int8_t proto; 686223637Sbz u_int8_t pad[2]; 687171168Smlaier}; 688171168Smlaier 689223637Sbzstruct pf_state_key { 690223637Sbz struct pf_addr addr[2]; 691223637Sbz u_int16_t port[2]; 692223637Sbz sa_family_t af; 693223637Sbz u_int8_t proto; 694223637Sbz u_int8_t pad[2]; 695223637Sbz 696240233Sglebius LIST_ENTRY(pf_state_key) entry; 697240233Sglebius TAILQ_HEAD(, pf_state) states[2]; 698223637Sbz}; 699223637Sbz 700240233Sglebius/* Keep synced with struct pf_state. */ 701223637Sbzstruct pf_state_cmp { 702223637Sbz u_int64_t id; 703223637Sbz u_int32_t creatorid; 704223637Sbz u_int8_t direction; 705223637Sbz u_int8_t pad[3]; 706223637Sbz}; 707223637Sbz 708126258Smlaierstruct pf_state { 709223637Sbz u_int64_t id; 710223637Sbz u_int32_t creatorid; 711223637Sbz u_int8_t direction; 712223637Sbz u_int8_t pad[3]; 713223637Sbz 714240233Sglebius u_int refs; 715223637Sbz TAILQ_ENTRY(pf_state) sync_list; 716240233Sglebius TAILQ_ENTRY(pf_state) key_list[2]; 717240233Sglebius LIST_ENTRY(pf_state) entry; 718223637Sbz struct pf_state_peer src; 719223637Sbz struct pf_state_peer dst; 720223637Sbz union pf_rule_ptr rule; 721223637Sbz union pf_rule_ptr anchor; 722223637Sbz union pf_rule_ptr nat_rule; 723223637Sbz struct pf_addr rt_addr; 724223637Sbz struct pf_state_key *key[2]; /* addresses stack and wire */ 725223637Sbz struct pfi_kif *kif; 726223637Sbz struct pfi_kif *rt_kif; 727223637Sbz struct pf_src_node *src_node; 728223637Sbz struct pf_src_node *nat_src_node; 729223637Sbz u_int64_t packets[2]; 730223637Sbz u_int64_t bytes[2]; 731223637Sbz u_int32_t creation; 732223637Sbz u_int32_t expire; 733223637Sbz u_int32_t pfsync_time; 734223637Sbz u_int16_t tag; 735223637Sbz u_int8_t log; 736223637Sbz u_int8_t state_flags; 737223637Sbz#define PFSTATE_ALLOWOPTS 0x01 738223637Sbz#define PFSTATE_SLOPPY 0x02 739240233Sglebius/* was PFSTATE_PFLOW 0x04 */ 740223637Sbz#define PFSTATE_NOSYNC 0x08 741223637Sbz#define PFSTATE_ACK 0x10 742223637Sbz u_int8_t timeout; 743223637Sbz u_int8_t sync_state; /* PFSYNC_S_x */ 744223637Sbz 745223637Sbz /* XXX */ 746223637Sbz u_int8_t sync_updates; 747223637Sbz u_int8_t _tail[3]; 748223637Sbz}; 749223637Sbz 750223637Sbz/* 751223637Sbz * Unified state structures for pulling states out of the kernel 752223637Sbz * used by pfsync(4) and the pf(4) ioctl. 753223637Sbz */ 754223637Sbzstruct pfsync_state_scrub { 755223637Sbz u_int16_t pfss_flags; 756223637Sbz u_int8_t pfss_ttl; /* stashed TTL */ 757223637Sbz#define PFSYNC_SCRUB_FLAG_VALID 0x01 758223637Sbz u_int8_t scrub_flag; 759223637Sbz u_int32_t pfss_ts_mod; /* timestamp modulation */ 760223637Sbz} __packed; 761223637Sbz 762223637Sbzstruct pfsync_state_peer { 763223637Sbz struct pfsync_state_scrub scrub; /* state is scrubbed */ 764223637Sbz u_int32_t seqlo; /* Max sequence number sent */ 765223637Sbz u_int32_t seqhi; /* Max the other end ACKd + win */ 766223637Sbz u_int32_t seqdiff; /* Sequence number modulator */ 767223637Sbz u_int16_t max_win; /* largest window (pre scaling) */ 768223637Sbz u_int16_t mss; /* Maximum segment size option */ 769223637Sbz u_int8_t state; /* active state level */ 770223637Sbz u_int8_t wscale; /* window scaling factor */ 771223637Sbz u_int8_t pad[6]; 772223637Sbz} __packed; 773223637Sbz 774223637Sbzstruct pfsync_state_key { 775223637Sbz struct pf_addr addr[2]; 776223637Sbz u_int16_t port[2]; 777223637Sbz}; 778223637Sbz 779223637Sbzstruct pfsync_state { 780240233Sglebius u_int64_t id; 781223637Sbz char ifname[IFNAMSIZ]; 782223637Sbz struct pfsync_state_key key[2]; 783223637Sbz struct pfsync_state_peer src; 784223637Sbz struct pfsync_state_peer dst; 785223637Sbz struct pf_addr rt_addr; 786223637Sbz u_int32_t rule; 787223637Sbz u_int32_t anchor; 788223637Sbz u_int32_t nat_rule; 789223637Sbz u_int32_t creation; 790223637Sbz u_int32_t expire; 791223637Sbz u_int32_t packets[2][2]; 792223637Sbz u_int32_t bytes[2][2]; 793171168Smlaier u_int32_t creatorid; 794171168Smlaier sa_family_t af; 795171168Smlaier u_int8_t proto; 796171168Smlaier u_int8_t direction; 797240233Sglebius u_int8_t __spare[2]; 798171168Smlaier u_int8_t log; 799200930Sdelphij u_int8_t state_flags; 800171168Smlaier u_int8_t timeout; 801171168Smlaier u_int8_t sync_flags; 802223637Sbz u_int8_t updates; 803223637Sbz} __packed; 804126258Smlaier 805223637Sbz#ifdef _KERNEL 806223637Sbz/* pfsync */ 807223637Sbztypedef int pfsync_state_import_t(struct pfsync_state *, u_int8_t); 808223637Sbztypedef void pfsync_insert_state_t(struct pf_state *); 809223637Sbztypedef void pfsync_update_state_t(struct pf_state *); 810223637Sbztypedef void pfsync_delete_state_t(struct pf_state *); 811223637Sbztypedef void pfsync_clear_states_t(u_int32_t, const char *); 812223637Sbztypedef int pfsync_defer_t(struct pf_state *, struct mbuf *); 813223637Sbz 814223637Sbzextern pfsync_state_import_t *pfsync_state_import_ptr; 815223637Sbzextern pfsync_insert_state_t *pfsync_insert_state_ptr; 816223637Sbzextern pfsync_update_state_t *pfsync_update_state_ptr; 817223637Sbzextern pfsync_delete_state_t *pfsync_delete_state_ptr; 818223637Sbzextern pfsync_clear_states_t *pfsync_clear_states_ptr; 819223637Sbzextern pfsync_defer_t *pfsync_defer_ptr; 820223637Sbz 821223637Sbzvoid pfsync_state_export(struct pfsync_state *, 822223637Sbz struct pf_state *); 823223637Sbz 824223637Sbz/* pflog */ 825223637Sbzstruct pf_ruleset; 826223637Sbzstruct pf_pdesc; 827223637Sbztypedef int pflog_packet_t(struct pfi_kif *, struct mbuf *, sa_family_t, 828223637Sbz u_int8_t, u_int8_t, struct pf_rule *, struct pf_rule *, 829240233Sglebius struct pf_ruleset *, struct pf_pdesc *, int); 830223637Sbzextern pflog_packet_t *pflog_packet_ptr; 831223637Sbz 832223637Sbz#define V_pf_end_threads VNET(pf_end_threads) 833240233Sglebius#endif /* _KERNEL */ 834223637Sbz 835223637Sbz#define PFSYNC_FLAG_SRCNODE 0x04 836223637Sbz#define PFSYNC_FLAG_NATSRCNODE 0x08 837223637Sbz 838223637Sbz/* for copies to/from network byte order */ 839223637Sbz/* ioctl interface also uses network byte order */ 840223637Sbz#define pf_state_peer_hton(s,d) do { \ 841223637Sbz (d)->seqlo = htonl((s)->seqlo); \ 842223637Sbz (d)->seqhi = htonl((s)->seqhi); \ 843223637Sbz (d)->seqdiff = htonl((s)->seqdiff); \ 844223637Sbz (d)->max_win = htons((s)->max_win); \ 845223637Sbz (d)->mss = htons((s)->mss); \ 846223637Sbz (d)->state = (s)->state; \ 847223637Sbz (d)->wscale = (s)->wscale; \ 848223637Sbz if ((s)->scrub) { \ 849223637Sbz (d)->scrub.pfss_flags = \ 850223637Sbz htons((s)->scrub->pfss_flags & PFSS_TIMESTAMP); \ 851223637Sbz (d)->scrub.pfss_ttl = (s)->scrub->pfss_ttl; \ 852223637Sbz (d)->scrub.pfss_ts_mod = htonl((s)->scrub->pfss_ts_mod);\ 853223637Sbz (d)->scrub.scrub_flag = PFSYNC_SCRUB_FLAG_VALID; \ 854223637Sbz } \ 855223637Sbz} while (0) 856223637Sbz 857223637Sbz#define pf_state_peer_ntoh(s,d) do { \ 858223637Sbz (d)->seqlo = ntohl((s)->seqlo); \ 859223637Sbz (d)->seqhi = ntohl((s)->seqhi); \ 860223637Sbz (d)->seqdiff = ntohl((s)->seqdiff); \ 861223637Sbz (d)->max_win = ntohs((s)->max_win); \ 862223637Sbz (d)->mss = ntohs((s)->mss); \ 863223637Sbz (d)->state = (s)->state; \ 864223637Sbz (d)->wscale = (s)->wscale; \ 865223637Sbz if ((s)->scrub.scrub_flag == PFSYNC_SCRUB_FLAG_VALID && \ 866223637Sbz (d)->scrub != NULL) { \ 867223637Sbz (d)->scrub->pfss_flags = \ 868223637Sbz ntohs((s)->scrub.pfss_flags) & PFSS_TIMESTAMP; \ 869223637Sbz (d)->scrub->pfss_ttl = (s)->scrub.pfss_ttl; \ 870223637Sbz (d)->scrub->pfss_ts_mod = ntohl((s)->scrub.pfss_ts_mod);\ 871223637Sbz } \ 872223637Sbz} while (0) 873223637Sbz 874223637Sbz#define pf_state_counter_hton(s,d) do { \ 875223637Sbz d[0] = htonl((s>>32)&0xffffffff); \ 876223637Sbz d[1] = htonl(s&0xffffffff); \ 877223637Sbz} while (0) 878223637Sbz 879223637Sbz#define pf_state_counter_from_pfsync(s) \ 880223637Sbz (((u_int64_t)(s[0])<<32) | (u_int64_t)(s[1])) 881223637Sbz 882223637Sbz#define pf_state_counter_ntoh(s,d) do { \ 883223637Sbz d = ntohl(s[0]); \ 884223637Sbz d = d<<32; \ 885223637Sbz d += ntohl(s[1]); \ 886223637Sbz} while (0) 887223637Sbz 888126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 889126258Smlaier 890126258Smlaierstruct pf_anchor; 891126258Smlaier 892126258Smlaierstruct pf_ruleset { 893126258Smlaier struct { 894126258Smlaier struct pf_rulequeue queues[2]; 895126258Smlaier struct { 896126258Smlaier struct pf_rulequeue *ptr; 897171168Smlaier struct pf_rule **ptr_array; 898171168Smlaier u_int32_t rcount; 899126258Smlaier u_int32_t ticket; 900130613Smlaier int open; 901126258Smlaier } active, inactive; 902126258Smlaier } rules[PF_RULESET_MAX]; 903126258Smlaier struct pf_anchor *anchor; 904126258Smlaier u_int32_t tticket; 905126258Smlaier int tables; 906126258Smlaier int topen; 907126258Smlaier}; 908126258Smlaier 909145836SmlaierRB_HEAD(pf_anchor_global, pf_anchor); 910145836SmlaierRB_HEAD(pf_anchor_node, pf_anchor); 911126258Smlaierstruct pf_anchor { 912145836Smlaier RB_ENTRY(pf_anchor) entry_global; 913145836Smlaier RB_ENTRY(pf_anchor) entry_node; 914145836Smlaier struct pf_anchor *parent; 915145836Smlaier struct pf_anchor_node children; 916126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 917145836Smlaier char path[MAXPATHLEN]; 918145836Smlaier struct pf_ruleset ruleset; 919145836Smlaier int refcnt; /* anchor rules */ 920240641Sglebius int match; /* XXX: used for pfctl black magic */ 921126258Smlaier}; 922145836SmlaierRB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare); 923145836SmlaierRB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare); 924126258Smlaier 925130613Smlaier#define PF_RESERVED_ANCHOR "_pf" 926130613Smlaier 927126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 928126258Smlaier#define PFR_TFLAG_CONST 0x00000002 929126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 930126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 931126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 932126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 933223637Sbz#define PFR_TFLAG_COUNTERS 0x00000040 934223637Sbz/* Adjust masks below when adding flags. */ 935240233Sglebius#define PFR_TFLAG_USRMASK (PFR_TFLAG_PERSIST | \ 936240233Sglebius PFR_TFLAG_CONST | \ 937240233Sglebius PFR_TFLAG_COUNTERS) 938240233Sglebius#define PFR_TFLAG_SETMASK (PFR_TFLAG_ACTIVE | \ 939240233Sglebius PFR_TFLAG_INACTIVE | \ 940240233Sglebius PFR_TFLAG_REFERENCED | \ 941240233Sglebius PFR_TFLAG_REFDANCHOR) 942240233Sglebius#define PFR_TFLAG_ALLMASK (PFR_TFLAG_PERSIST | \ 943240233Sglebius PFR_TFLAG_CONST | \ 944240233Sglebius PFR_TFLAG_ACTIVE | \ 945240233Sglebius PFR_TFLAG_INACTIVE | \ 946240233Sglebius PFR_TFLAG_REFERENCED | \ 947240233Sglebius PFR_TFLAG_REFDANCHOR | \ 948240233Sglebius PFR_TFLAG_COUNTERS) 949126258Smlaier 950240641Sglebiusstruct pf_anchor_stackframe; 951240641Sglebius 952126258Smlaierstruct pfr_table { 953145836Smlaier char pfrt_anchor[MAXPATHLEN]; 954126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 955126258Smlaier u_int32_t pfrt_flags; 956126258Smlaier u_int8_t pfrt_fback; 957126258Smlaier}; 958126258Smlaier 959126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 960126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 961223637Sbz PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_NOCOUNT, PFR_FB_MAX }; 962126258Smlaier 963126258Smlaierstruct pfr_addr { 964126258Smlaier union { 965126258Smlaier struct in_addr _pfra_ip4addr; 966126258Smlaier struct in6_addr _pfra_ip6addr; 967126258Smlaier } pfra_u; 968126258Smlaier u_int8_t pfra_af; 969126258Smlaier u_int8_t pfra_net; 970126258Smlaier u_int8_t pfra_not; 971126258Smlaier u_int8_t pfra_fback; 972126258Smlaier}; 973126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 974126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 975126258Smlaier 976126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 977126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 978126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 979126258Smlaier 980126258Smlaierstruct pfr_astats { 981126258Smlaier struct pfr_addr pfras_a; 982126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 983126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 984126258Smlaier long pfras_tzero; 985126258Smlaier}; 986126258Smlaier 987126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 988126258Smlaier 989126258Smlaierstruct pfr_tstats { 990126258Smlaier struct pfr_table pfrts_t; 991126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 992126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 993126258Smlaier u_int64_t pfrts_match; 994126258Smlaier u_int64_t pfrts_nomatch; 995126258Smlaier long pfrts_tzero; 996126258Smlaier int pfrts_cnt; 997126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 998126258Smlaier}; 999126258Smlaier#define pfrts_name pfrts_t.pfrt_name 1000126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 1001126258Smlaier 1002135615Smlaier#ifndef _SOCKADDR_UNION_DEFINED 1003135615Smlaier#define _SOCKADDR_UNION_DEFINED 1004135615Smlaierunion sockaddr_union { 1005135615Smlaier struct sockaddr sa; 1006135615Smlaier struct sockaddr_in sin; 1007135615Smlaier struct sockaddr_in6 sin6; 1008135615Smlaier}; 1009135615Smlaier#endif /* _SOCKADDR_UNION_DEFINED */ 1010135615Smlaier 1011223637Sbzstruct pfr_kcounters { 1012223637Sbz u_int64_t pfrkc_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1013223637Sbz u_int64_t pfrkc_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1014223637Sbz}; 1015223637Sbz 1016126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 1017126258Smlaierstruct pfr_kentry { 1018126258Smlaier struct radix_node pfrke_node[2]; 1019126258Smlaier union sockaddr_union pfrke_sa; 1020126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 1021240233Sglebius struct pfr_kcounters *pfrke_counters; 1022126258Smlaier long pfrke_tzero; 1023126258Smlaier u_int8_t pfrke_af; 1024126258Smlaier u_int8_t pfrke_net; 1025126258Smlaier u_int8_t pfrke_not; 1026126258Smlaier u_int8_t pfrke_mark; 1027126258Smlaier}; 1028126258Smlaier 1029126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 1030126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 1031126258Smlaierstruct pfr_ktable { 1032126258Smlaier struct pfr_tstats pfrkt_ts; 1033126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 1034126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 1035126258Smlaier struct radix_node_head *pfrkt_ip4; 1036126258Smlaier struct radix_node_head *pfrkt_ip6; 1037126258Smlaier struct pfr_ktable *pfrkt_shadow; 1038126258Smlaier struct pfr_ktable *pfrkt_root; 1039126258Smlaier struct pf_ruleset *pfrkt_rs; 1040130613Smlaier long pfrkt_larg; 1041126258Smlaier int pfrkt_nflags; 1042126258Smlaier}; 1043126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 1044126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 1045130613Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 1046130613Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 1047126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 1048126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 1049126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 1050126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 1051126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 1052126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 1053126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 1054126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 1055126258Smlaier 1056171168Smlaier/* keep synced with pfi_kif, used in RB_FIND */ 1057171168Smlaierstruct pfi_kif_cmp { 1058171168Smlaier char pfik_name[IFNAMSIZ]; 1059130613Smlaier}; 1060130613Smlaier 1061130613Smlaierstruct pfi_kif { 1062171168Smlaier char pfik_name[IFNAMSIZ]; 1063240233Sglebius union { 1064240233Sglebius RB_ENTRY(pfi_kif) _pfik_tree; 1065240233Sglebius LIST_ENTRY(pfi_kif) _pfik_list; 1066240233Sglebius } _pfik_glue; 1067240233Sglebius#define pfik_tree _pfik_glue._pfik_tree 1068240233Sglebius#define pfik_list _pfik_glue._pfik_list 1069171168Smlaier u_int64_t pfik_packets[2][2][2]; 1070171168Smlaier u_int64_t pfik_bytes[2][2][2]; 1071171168Smlaier u_int32_t pfik_tzero; 1072240233Sglebius u_int pfik_flags; 1073130613Smlaier struct ifnet *pfik_ifp; 1074171168Smlaier struct ifg_group *pfik_group; 1075240233Sglebius u_int pfik_rulerefs; 1076171168Smlaier TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs; 1077130613Smlaier}; 1078130613Smlaier 1079240233Sglebius#define PFI_IFLAG_REFS 0x0001 /* has state references */ 1080145836Smlaier#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */ 1081130613Smlaier 1082126258Smlaierstruct pf_pdesc { 1083171168Smlaier struct { 1084171168Smlaier int done; 1085171168Smlaier uid_t uid; 1086171168Smlaier gid_t gid; 1087171168Smlaier } lookup; 1088126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 1089126258Smlaier union { 1090126258Smlaier struct tcphdr *tcp; 1091126258Smlaier struct udphdr *udp; 1092126258Smlaier struct icmp *icmp; 1093126258Smlaier#ifdef INET6 1094126258Smlaier struct icmp6_hdr *icmp6; 1095126258Smlaier#endif /* INET6 */ 1096126258Smlaier void *any; 1097126258Smlaier } hdr; 1098223637Sbz 1099130613Smlaier struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */ 1100223637Sbz struct pf_addr *src; /* src address */ 1101223637Sbz struct pf_addr *dst; /* dst address */ 1102223637Sbz u_int16_t *sport; 1103223637Sbz u_int16_t *dport; 1104171168Smlaier struct pf_mtag *pf_mtag; 1105223637Sbz 1106223637Sbz u_int32_t p_len; /* total length of payload */ 1107223637Sbz 1108126258Smlaier u_int16_t *ip_sum; 1109223637Sbz u_int16_t *proto_sum; 1110126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 1111126258Smlaier * state code. Easier than tags */ 1112126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 1113145836Smlaier#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */ 1114126258Smlaier sa_family_t af; 1115126258Smlaier u_int8_t proto; 1116126258Smlaier u_int8_t tos; 1117223637Sbz u_int8_t dir; /* direction */ 1118223637Sbz u_int8_t sidx; /* key index for source */ 1119223637Sbz u_int8_t didx; /* key index for destination */ 1120126258Smlaier}; 1121126258Smlaier 1122126258Smlaier/* flags for RDR options */ 1123126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 1124126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 1125126258Smlaier 1126126258Smlaier/* UDP state enumeration */ 1127126258Smlaier#define PFUDPS_NO_TRAFFIC 0 1128126258Smlaier#define PFUDPS_SINGLE 1 1129126258Smlaier#define PFUDPS_MULTIPLE 2 1130126258Smlaier 1131126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 1132126258Smlaier 1133126258Smlaier#define PFUDPS_NAMES { \ 1134126258Smlaier "NO_TRAFFIC", \ 1135126258Smlaier "SINGLE", \ 1136126258Smlaier "MULTIPLE", \ 1137126258Smlaier NULL \ 1138126258Smlaier} 1139126258Smlaier 1140126258Smlaier/* Other protocol state enumeration */ 1141126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 1142126258Smlaier#define PFOTHERS_SINGLE 1 1143126258Smlaier#define PFOTHERS_MULTIPLE 2 1144126258Smlaier 1145126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 1146126258Smlaier 1147126258Smlaier#define PFOTHERS_NAMES { \ 1148126258Smlaier "NO_TRAFFIC", \ 1149126258Smlaier "SINGLE", \ 1150126258Smlaier "MULTIPLE", \ 1151126258Smlaier NULL \ 1152126258Smlaier} 1153126258Smlaier 1154126258Smlaier#define ACTION_SET(a, x) \ 1155126258Smlaier do { \ 1156126258Smlaier if ((a) != NULL) \ 1157126258Smlaier *(a) = (x); \ 1158126258Smlaier } while (0) 1159126258Smlaier 1160126258Smlaier#define REASON_SET(a, x) \ 1161126258Smlaier do { \ 1162126258Smlaier if ((a) != NULL) \ 1163126258Smlaier *(a) = (x); \ 1164126258Smlaier if (x < PFRES_MAX) \ 1165270574Sglebius counter_u64_add(V_pf_status.counters[x], 1); \ 1166223637Sbz } while (0) 1167126258Smlaier 1168270574Sglebiusstruct pf_kstatus { 1169270574Sglebius counter_u64_t counters[PFRES_MAX]; /* reason for passing/dropping */ 1170270574Sglebius counter_u64_t lcounters[LCNT_MAX]; /* limit counters */ 1171270574Sglebius counter_u64_t fcounters[FCNT_MAX]; /* state operation counters */ 1172270574Sglebius counter_u64_t scounters[SCNT_MAX]; /* src_node operation counters */ 1173270574Sglebius uint32_t states; 1174270574Sglebius uint32_t src_nodes; 1175270574Sglebius uint32_t running; 1176270574Sglebius uint32_t since; 1177270574Sglebius uint32_t debug; 1178270574Sglebius uint32_t hostid; 1179126258Smlaier char ifname[IFNAMSIZ]; 1180270574Sglebius uint8_t pf_chksum[PF_MD5_DIGEST_LENGTH]; 1181126258Smlaier}; 1182126258Smlaier 1183223637Sbzstruct pf_divert { 1184223637Sbz union { 1185223637Sbz struct in_addr ipv4; 1186223637Sbz struct in6_addr ipv6; 1187223637Sbz } addr; 1188223637Sbz u_int16_t port; 1189223637Sbz}; 1190223637Sbz 1191126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 1192171168Smlaier#define PFR_KENTRY_HIWAT 200000 /* Number of table entries */ 1193171168Smlaier 1194126258Smlaier/* 1195126258Smlaier * ioctl parameter structures 1196126258Smlaier */ 1197126258Smlaier 1198126258Smlaierstruct pfioc_pooladdr { 1199126258Smlaier u_int32_t action; 1200126258Smlaier u_int32_t ticket; 1201126258Smlaier u_int32_t nr; 1202126258Smlaier u_int32_t r_num; 1203126258Smlaier u_int8_t r_action; 1204126258Smlaier u_int8_t r_last; 1205126258Smlaier u_int8_t af; 1206145836Smlaier char anchor[MAXPATHLEN]; 1207126258Smlaier struct pf_pooladdr addr; 1208126258Smlaier}; 1209126258Smlaier 1210126258Smlaierstruct pfioc_rule { 1211126258Smlaier u_int32_t action; 1212126258Smlaier u_int32_t ticket; 1213126258Smlaier u_int32_t pool_ticket; 1214126258Smlaier u_int32_t nr; 1215145836Smlaier char anchor[MAXPATHLEN]; 1216145836Smlaier char anchor_call[MAXPATHLEN]; 1217126258Smlaier struct pf_rule rule; 1218126258Smlaier}; 1219126258Smlaier 1220126258Smlaierstruct pfioc_natlook { 1221126258Smlaier struct pf_addr saddr; 1222126258Smlaier struct pf_addr daddr; 1223126258Smlaier struct pf_addr rsaddr; 1224126258Smlaier struct pf_addr rdaddr; 1225126258Smlaier u_int16_t sport; 1226126258Smlaier u_int16_t dport; 1227126258Smlaier u_int16_t rsport; 1228126258Smlaier u_int16_t rdport; 1229126258Smlaier sa_family_t af; 1230126258Smlaier u_int8_t proto; 1231126258Smlaier u_int8_t direction; 1232126258Smlaier}; 1233126258Smlaier 1234126258Smlaierstruct pfioc_state { 1235223637Sbz struct pfsync_state state; 1236126258Smlaier}; 1237126258Smlaier 1238171168Smlaierstruct pfioc_src_node_kill { 1239171168Smlaier sa_family_t psnk_af; 1240171168Smlaier struct pf_rule_addr psnk_src; 1241171168Smlaier struct pf_rule_addr psnk_dst; 1242223637Sbz u_int psnk_killed; 1243171168Smlaier}; 1244171168Smlaier 1245126258Smlaierstruct pfioc_state_kill { 1246223637Sbz struct pf_state_cmp psk_pfcmp; 1247126258Smlaier sa_family_t psk_af; 1248126258Smlaier int psk_proto; 1249126258Smlaier struct pf_rule_addr psk_src; 1250126258Smlaier struct pf_rule_addr psk_dst; 1251130613Smlaier char psk_ifname[IFNAMSIZ]; 1252223637Sbz char psk_label[PF_RULE_LABEL_SIZE]; 1253223637Sbz u_int psk_killed; 1254126258Smlaier}; 1255126258Smlaier 1256126258Smlaierstruct pfioc_states { 1257126258Smlaier int ps_len; 1258126258Smlaier union { 1259223637Sbz caddr_t psu_buf; 1260223637Sbz struct pfsync_state *psu_states; 1261126258Smlaier } ps_u; 1262126258Smlaier#define ps_buf ps_u.psu_buf 1263126258Smlaier#define ps_states ps_u.psu_states 1264126258Smlaier}; 1265126258Smlaier 1266130613Smlaierstruct pfioc_src_nodes { 1267130613Smlaier int psn_len; 1268130613Smlaier union { 1269130613Smlaier caddr_t psu_buf; 1270130613Smlaier struct pf_src_node *psu_src_nodes; 1271130613Smlaier } psn_u; 1272130613Smlaier#define psn_buf psn_u.psu_buf 1273130613Smlaier#define psn_src_nodes psn_u.psu_src_nodes 1274130613Smlaier}; 1275130613Smlaier 1276126258Smlaierstruct pfioc_if { 1277126258Smlaier char ifname[IFNAMSIZ]; 1278126258Smlaier}; 1279126258Smlaier 1280126258Smlaierstruct pfioc_tm { 1281126258Smlaier int timeout; 1282126258Smlaier int seconds; 1283126258Smlaier}; 1284126258Smlaier 1285126258Smlaierstruct pfioc_limit { 1286126258Smlaier int index; 1287126258Smlaier unsigned limit; 1288126258Smlaier}; 1289126258Smlaier 1290126258Smlaierstruct pfioc_altq { 1291126258Smlaier u_int32_t action; 1292126258Smlaier u_int32_t ticket; 1293126258Smlaier u_int32_t nr; 1294126258Smlaier struct pf_altq altq; 1295126258Smlaier}; 1296126258Smlaier 1297126258Smlaierstruct pfioc_qstats { 1298126258Smlaier u_int32_t ticket; 1299126258Smlaier u_int32_t nr; 1300126258Smlaier void *buf; 1301126258Smlaier int nbytes; 1302126258Smlaier u_int8_t scheduler; 1303126258Smlaier}; 1304126258Smlaier 1305145836Smlaierstruct pfioc_ruleset { 1306126258Smlaier u_int32_t nr; 1307145836Smlaier char path[MAXPATHLEN]; 1308126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1309126258Smlaier}; 1310126258Smlaier 1311130613Smlaier#define PF_RULESET_ALTQ (PF_RULESET_MAX) 1312130613Smlaier#define PF_RULESET_TABLE (PF_RULESET_MAX+1) 1313130613Smlaierstruct pfioc_trans { 1314130613Smlaier int size; /* number of elements */ 1315130613Smlaier int esize; /* size of each element in bytes */ 1316130613Smlaier struct pfioc_trans_e { 1317130613Smlaier int rs_num; 1318145836Smlaier char anchor[MAXPATHLEN]; 1319130613Smlaier u_int32_t ticket; 1320130613Smlaier } *array; 1321130613Smlaier}; 1322130613Smlaier 1323240233Sglebius#define PFR_FLAG_ATOMIC 0x00000001 /* unused */ 1324126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1325126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1326126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1327126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1328126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1329126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1330126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1331130613Smlaier#ifdef _KERNEL 1332130613Smlaier#define PFR_FLAG_USERIOCTL 0x10000000 1333130613Smlaier#endif 1334126258Smlaier 1335126258Smlaierstruct pfioc_table { 1336126258Smlaier struct pfr_table pfrio_table; 1337126258Smlaier void *pfrio_buffer; 1338126258Smlaier int pfrio_esize; 1339126258Smlaier int pfrio_size; 1340126258Smlaier int pfrio_size2; 1341126258Smlaier int pfrio_nadd; 1342126258Smlaier int pfrio_ndel; 1343126258Smlaier int pfrio_nchange; 1344126258Smlaier int pfrio_flags; 1345126258Smlaier u_int32_t pfrio_ticket; 1346126258Smlaier}; 1347126258Smlaier#define pfrio_exists pfrio_nadd 1348126258Smlaier#define pfrio_nzero pfrio_nadd 1349126258Smlaier#define pfrio_nmatch pfrio_nadd 1350126258Smlaier#define pfrio_naddr pfrio_size2 1351126258Smlaier#define pfrio_setflag pfrio_size2 1352126258Smlaier#define pfrio_clrflag pfrio_nadd 1353126258Smlaier 1354130613Smlaierstruct pfioc_iface { 1355130613Smlaier char pfiio_name[IFNAMSIZ]; 1356130613Smlaier void *pfiio_buffer; 1357130613Smlaier int pfiio_esize; 1358130613Smlaier int pfiio_size; 1359130613Smlaier int pfiio_nzero; 1360130613Smlaier int pfiio_flags; 1361130613Smlaier}; 1362130613Smlaier 1363130613Smlaier 1364126258Smlaier/* 1365126258Smlaier * ioctl operations 1366126258Smlaier */ 1367126258Smlaier 1368126258Smlaier#define DIOCSTART _IO ('D', 1) 1369126258Smlaier#define DIOCSTOP _IO ('D', 2) 1370126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1371126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1372126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1373126258Smlaier/* XXX cut 8 - 17 */ 1374130613Smlaier#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill) 1375126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1376126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1377126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1378126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1379126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1380126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1381126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1382126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1383126258Smlaier/* XXX cut 26 - 28 */ 1384126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1385126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1386126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1387126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1388126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1389126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1390126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1391126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1392126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1393126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1394126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1395126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1396126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1397126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1398126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1399126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1400126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1401126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1402126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1403145836Smlaier/* XXX cut 55 - 57 */ 1404126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1405126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1406126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1407126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1408126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1409126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1410126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1411223637Sbz#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1412126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1413126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1414126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1415126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1416126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1417126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1418223637Sbz#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1419126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1420126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1421223637Sbz#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1422223637Sbz#define DIOCOSFPFLUSH _IO('D', 78) 1423223637Sbz#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1424223637Sbz#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1425223637Sbz#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans) 1426223637Sbz#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans) 1427223637Sbz#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans) 1428223637Sbz#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes) 1429223637Sbz#define DIOCCLRSRCNODES _IO('D', 85) 1430223637Sbz#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t) 1431223637Sbz#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface) 1432223637Sbz#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface) 1433223637Sbz#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface) 1434223637Sbz#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill) 1435126261Smlaierstruct pf_ifspeed { 1436126261Smlaier char ifname[IFNAMSIZ]; 1437126261Smlaier u_int32_t baudrate; 1438126261Smlaier}; 1439223637Sbz#define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed) 1440126258Smlaier 1441126258Smlaier#ifdef _KERNEL 1442261019SglebiusLIST_HEAD(pf_src_node_list, pf_src_node); 1443240233Sglebiusstruct pf_srchash { 1444261019Sglebius struct pf_src_node_list nodes; 1445240233Sglebius struct mtx lock; 1446240233Sglebius}; 1447126258Smlaier 1448240233Sglebiusstruct pf_keyhash { 1449240233Sglebius LIST_HEAD(, pf_state_key) keys; 1450240233Sglebius struct mtx lock; 1451240233Sglebius}; 1452130613Smlaier 1453240233Sglebiusstruct pf_idhash { 1454240233Sglebius LIST_HEAD(, pf_state) states; 1455240233Sglebius struct mtx lock; 1456240233Sglebius}; 1457240233Sglebius 1458273736Shselaskyextern u_long pf_hashmask; 1459273736Shselaskyextern u_long pf_srchashmask; 1460240233Sglebius#define PF_HASHSIZ (32768) 1461331117Skp#define PF_SRCHASHSIZ (PF_HASHSIZ/4) 1462240233SglebiusVNET_DECLARE(struct pf_keyhash *, pf_keyhash); 1463240233SglebiusVNET_DECLARE(struct pf_idhash *, pf_idhash); 1464240233Sglebius#define V_pf_keyhash VNET(pf_keyhash) 1465240233Sglebius#define V_pf_idhash VNET(pf_idhash) 1466240233SglebiusVNET_DECLARE(struct pf_srchash *, pf_srchash); 1467240233Sglebius#define V_pf_srchash VNET(pf_srchash) 1468240233Sglebius 1469273736Shselasky#define PF_IDHASH(s) (be64toh((s)->id) % (pf_hashmask + 1)) 1470240233Sglebius 1471240233SglebiusVNET_DECLARE(void *, pf_swi_cookie); 1472240233Sglebius#define V_pf_swi_cookie VNET(pf_swi_cookie) 1473240233Sglebius 1474240233SglebiusVNET_DECLARE(uint64_t, pf_stateid[MAXCPU]); 1475240233Sglebius#define V_pf_stateid VNET(pf_stateid) 1476240233Sglebius 1477126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1478223637SbzVNET_DECLARE(struct pf_altqqueue, pf_altqs[2]); 1479223637Sbz#define V_pf_altqs VNET(pf_altqs) 1480223637SbzVNET_DECLARE(struct pf_palist, pf_pabuf); 1481223637Sbz#define V_pf_pabuf VNET(pf_pabuf) 1482126258Smlaier 1483223637SbzVNET_DECLARE(u_int32_t, ticket_altqs_active); 1484223637Sbz#define V_ticket_altqs_active VNET(ticket_altqs_active) 1485223637SbzVNET_DECLARE(u_int32_t, ticket_altqs_inactive); 1486223637Sbz#define V_ticket_altqs_inactive VNET(ticket_altqs_inactive) 1487223637SbzVNET_DECLARE(int, altqs_inactive_open); 1488223637Sbz#define V_altqs_inactive_open VNET(altqs_inactive_open) 1489223637SbzVNET_DECLARE(u_int32_t, ticket_pabuf); 1490223637Sbz#define V_ticket_pabuf VNET(ticket_pabuf) 1491223637SbzVNET_DECLARE(struct pf_altqqueue *, pf_altqs_active); 1492223637Sbz#define V_pf_altqs_active VNET(pf_altqs_active) 1493223637SbzVNET_DECLARE(struct pf_altqqueue *, pf_altqs_inactive); 1494223637Sbz#define V_pf_altqs_inactive VNET(pf_altqs_inactive) 1495240233Sglebius 1496240233SglebiusVNET_DECLARE(struct pf_rulequeue, pf_unlinked_rules); 1497240233Sglebius#define V_pf_unlinked_rules VNET(pf_unlinked_rules) 1498240233Sglebius 1499240233Sglebiusvoid pf_initialize(void); 1500265008Smmvoid pf_mtag_initialize(void); 1501265008Smmvoid pf_mtag_cleanup(void); 1502240233Sglebiusvoid pf_cleanup(void); 1503240233Sglebius 1504240233Sglebiusstruct pf_mtag *pf_get_mtag(struct mbuf *); 1505240233Sglebius 1506126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1507177700Smlaier#ifdef ALTQ 1508223637Sbzextern void pf_altq_ifnet_event(struct ifnet *, int); 1509177700Smlaier#endif 1510240233SglebiusVNET_DECLARE(uma_zone_t, pf_state_z); 1511240233Sglebius#define V_pf_state_z VNET(pf_state_z) 1512240233SglebiusVNET_DECLARE(uma_zone_t, pf_state_key_z); 1513240233Sglebius#define V_pf_state_key_z VNET(pf_state_key_z) 1514240233SglebiusVNET_DECLARE(uma_zone_t, pf_state_scrub_z); 1515240233Sglebius#define V_pf_state_scrub_z VNET(pf_state_scrub_z) 1516240233Sglebius 1517171168Smlaierextern void pf_purge_thread(void *); 1518240233Sglebiusextern void pf_intr(void *); 1519240233Sglebiusextern void pf_purge_expired_src_nodes(void); 1520240233Sglebius 1521240233Sglebiusextern int pf_unlink_state(struct pf_state *, u_int); 1522240233Sglebius#define PF_ENTER_LOCKED 0x00000001 1523240233Sglebius#define PF_RETURN_LOCKED 0x00000002 1524223637Sbzextern int pf_state_insert(struct pfi_kif *, 1525223637Sbz struct pf_state_key *, 1526223637Sbz struct pf_state_key *, 1527130613Smlaier struct pf_state *); 1528240233Sglebiusextern void pf_free_state(struct pf_state *); 1529240233Sglebius 1530240233Sglebiusstatic __inline void 1531240233Sglebiuspf_ref_state(struct pf_state *s) 1532240233Sglebius{ 1533240233Sglebius 1534240233Sglebius refcount_acquire(&s->refs); 1535240233Sglebius} 1536240233Sglebius 1537240233Sglebiusstatic __inline int 1538240233Sglebiuspf_release_state(struct pf_state *s) 1539240233Sglebius{ 1540240233Sglebius 1541240233Sglebius if (refcount_release(&s->refs)) { 1542240233Sglebius pf_free_state(s); 1543240233Sglebius return (1); 1544240233Sglebius } else 1545240233Sglebius return (0); 1546240233Sglebius} 1547240233Sglebius 1548240233Sglebiusextern struct pf_state *pf_find_state_byid(uint64_t, uint32_t); 1549223637Sbzextern struct pf_state *pf_find_state_all(struct pf_state_key_cmp *, 1550223637Sbz u_int, int *); 1551261019Sglebiusextern struct pf_src_node *pf_find_src_node(struct pf_addr *, 1552261019Sglebius struct pf_rule *, sa_family_t, int); 1553261019Sglebiusextern void pf_unlink_src_node(struct pf_src_node *); 1554261019Sglebiusextern u_int pf_free_src_nodes(struct pf_src_node_list *); 1555145836Smlaierextern void pf_print_state(struct pf_state *); 1556145836Smlaierextern void pf_print_flags(u_int8_t); 1557133574Smlaierextern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t, 1558133574Smlaier u_int8_t); 1559289703Skpextern u_int16_t pf_proto_cksum_fixup(struct mbuf *, u_int16_t, 1560289703Skp u_int16_t, u_int16_t, u_int8_t); 1561126258Smlaier 1562223637SbzVNET_DECLARE(struct ifnet *, sync_ifp); 1563223637Sbz#define V_sync_ifp VNET(sync_ifp); 1564223637SbzVNET_DECLARE(struct pf_rule, pf_default_rule); 1565223637Sbz#define V_pf_default_rule VNET(pf_default_rule) 1566126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1567126258Smlaier u_int8_t); 1568240233Sglebiusvoid pf_free_rule(struct pf_rule *); 1569126258Smlaier 1570126258Smlaier#ifdef INET 1571240233Sglebiusint pf_test(int, struct ifnet *, struct mbuf **, struct inpcb *); 1572284579Skpint pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *, 1573284579Skp struct pf_pdesc *); 1574126258Smlaier#endif /* INET */ 1575126258Smlaier 1576126258Smlaier#ifdef INET6 1577240233Sglebiusint pf_test6(int, struct ifnet *, struct mbuf **, struct inpcb *); 1578284579Skpint pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *, 1579284579Skp struct pf_pdesc *); 1580126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1581126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1582126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1583284579Skpint pf_refragment6(struct ifnet *, struct mbuf **, struct m_tag *); 1584126258Smlaier#endif /* INET6 */ 1585126258Smlaier 1586171168Smlaieru_int32_t pf_new_isn(struct pf_state *); 1587126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1588126258Smlaier sa_family_t); 1589126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1590289703Skpvoid pf_change_proto_a(struct mbuf *, void *, u_int16_t *, u_int32_t, 1591289703Skp u_int8_t); 1592289703Skpvoid pf_change_tcp_a(struct mbuf *, void *, u_int16_t *, u_int32_t); 1593223637Sbzvoid pf_send_deferred_syn(struct pf_state *); 1594126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1595126258Smlaier struct pf_addr *, sa_family_t); 1596223637Sbzint pf_match_addr_range(struct pf_addr *, struct pf_addr *, 1597223637Sbz struct pf_addr *, sa_family_t); 1598126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1599126258Smlaier 1600126258Smlaiervoid pf_normalize_init(void); 1601240233Sglebiusvoid pf_normalize_cleanup(void); 1602130613Smlaierint pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *, 1603126258Smlaier struct pf_pdesc *); 1604126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1605126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1606126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1607126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1608145836Smlaier u_short *, struct tcphdr *, struct pf_state *, 1609145836Smlaier struct pf_state_peer *, struct pf_state_peer *, int *); 1610126258Smlaieru_int32_t 1611126258Smlaier pf_state_expires(const struct pf_state *); 1612126258Smlaiervoid pf_purge_expired_fragments(void); 1613231852Sbzint pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kif *, 1614231852Sbz int); 1615240233Sglebiusint pf_socket_lookup(int, struct pf_pdesc *, struct mbuf *); 1616223637Sbzstruct pf_state_key *pf_alloc_state_key(int); 1617126258Smlaiervoid pfr_initialize(void); 1618240233Sglebiusvoid pfr_cleanup(void); 1619126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 1620126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 1621126258Smlaier u_int64_t, int, int, int); 1622240233Sglebiusint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, sa_family_t); 1623130613Smlaiervoid pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *); 1624126258Smlaierstruct pfr_ktable * 1625240233Sglebius pfr_attach_table(struct pf_ruleset *, char *); 1626126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 1627126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 1628126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 1629126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 1630332494Skpint pfr_table_count(struct pfr_table *, int); 1631126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 1632126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 1633126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 1634126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 1635126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 1636145836Smlaierint pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long); 1637126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1638126258Smlaier int); 1639126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1640126258Smlaier int); 1641126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1642171168Smlaier int *, int *, int *, int, u_int32_t); 1643126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 1644126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 1645126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 1646126258Smlaier int); 1647126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1648126258Smlaier int); 1649126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 1650130613Smlaierint pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int); 1651126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 1652126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 1653126258Smlaier int *, u_int32_t, int); 1654126258Smlaier 1655240233SglebiusMALLOC_DECLARE(PFI_MTYPE); 1656223637SbzVNET_DECLARE(struct pfi_kif *, pfi_all); 1657223637Sbz#define V_pfi_all VNET(pfi_all) 1658171168Smlaier 1659130613Smlaiervoid pfi_initialize(void); 1660130613Smlaiervoid pfi_cleanup(void); 1661240233Sglebiusvoid pfi_kif_ref(struct pfi_kif *); 1662240233Sglebiusvoid pfi_kif_unref(struct pfi_kif *); 1663240233Sglebiusstruct pfi_kif *pfi_kif_find(const char *); 1664240233Sglebiusstruct pfi_kif *pfi_kif_attach(struct pfi_kif *, const char *); 1665171168Smlaierint pfi_kif_match(struct pfi_kif *, struct pfi_kif *); 1666240233Sglebiusvoid pfi_kif_purge(void); 1667171168Smlaierint pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *, 1668171168Smlaier sa_family_t); 1669130613Smlaierint pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t); 1670240233Sglebiusvoid pfi_dynaddr_remove(struct pfi_dynaddr *); 1671130613Smlaiervoid pfi_dynaddr_copyout(struct pf_addr_wrap *); 1672223637Sbzvoid pfi_update_status(const char *, struct pf_status *); 1673240233Sglebiusvoid pfi_get_ifaces(const char *, struct pfi_kif *, int *); 1674145836Smlaierint pfi_set_flags(const char *, int); 1675145836Smlaierint pfi_clear_flags(const char *, int); 1676130613Smlaier 1677240233Sglebiusint pf_match_tag(struct mbuf *, struct pf_rule *, int *, int); 1678240233Sglebiusint pf_tag_packet(struct mbuf *, struct pf_pdesc *, int); 1679284569Skpint pf_addr_cmp(struct pf_addr *, struct pf_addr *, 1680284569Skp sa_family_t); 1681171168Smlaiervoid pf_qid2qname(u_int32_t, char *); 1682130613Smlaier 1683270574SglebiusVNET_DECLARE(struct pf_kstatus, pf_status); 1684270574Sglebius#define V_pf_status VNET(pf_status) 1685126261Smlaier 1686240233Sglebiusstruct pf_limit { 1687240233Sglebius uma_zone_t zone; 1688240233Sglebius u_int limit; 1689126258Smlaier}; 1690240233SglebiusVNET_DECLARE(struct pf_limit, pf_limits[PF_LIMIT_MAX]); 1691240233Sglebius#define V_pf_limits VNET(pf_limits) 1692126258Smlaier 1693126258Smlaier#endif /* _KERNEL */ 1694126258Smlaier 1695223637Sbz#ifdef _KERNEL 1696223637SbzVNET_DECLARE(struct pf_anchor_global, pf_anchors); 1697223637Sbz#define V_pf_anchors VNET(pf_anchors) 1698223637SbzVNET_DECLARE(struct pf_anchor, pf_main_anchor); 1699223637Sbz#define V_pf_main_anchor VNET(pf_main_anchor) 1700223637Sbz#define pf_main_ruleset V_pf_main_anchor.ruleset 1701223637Sbz#endif 1702171168Smlaier 1703171168Smlaier/* these ruleset functions can be linked into userland programs (pfctl) */ 1704171168Smlaierint pf_get_ruleset_number(u_int8_t); 1705171168Smlaiervoid pf_init_ruleset(struct pf_ruleset *); 1706171168Smlaierint pf_anchor_setup(struct pf_rule *, 1707171168Smlaier const struct pf_ruleset *, const char *); 1708171168Smlaierint pf_anchor_copyout(const struct pf_ruleset *, 1709171168Smlaier const struct pf_rule *, struct pfioc_rule *); 1710171168Smlaiervoid pf_anchor_remove(struct pf_rule *); 1711171168Smlaiervoid pf_remove_if_empty_ruleset(struct pf_ruleset *); 1712171168Smlaierstruct pf_ruleset *pf_find_ruleset(const char *); 1713171168Smlaierstruct pf_ruleset *pf_find_or_create_ruleset(const char *); 1714171168Smlaiervoid pf_rs_initialize(void); 1715171168Smlaier 1716126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 1717126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 1718126258Smlaier#ifdef _KERNEL 1719126258Smlaierstruct pf_osfp_enlist * 1720126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 1721126258Smlaier const struct tcphdr *); 1722126258Smlaier#endif /* _KERNEL */ 1723126258Smlaiervoid pf_osfp_flush(void); 1724126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 1725126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 1726126258Smlaier 1727223637Sbz#ifdef _KERNEL 1728223637Sbzvoid pf_print_host(struct pf_addr *, u_int16_t, u_int8_t); 1729223637Sbz 1730240641Sglebiusvoid pf_step_into_anchor(struct pf_anchor_stackframe *, int *, 1731240641Sglebius struct pf_ruleset **, int, struct pf_rule **, 1732240641Sglebius struct pf_rule **, int *); 1733240641Sglebiusint pf_step_out_of_anchor(struct pf_anchor_stackframe *, int *, 1734240641Sglebius struct pf_ruleset **, int, struct pf_rule **, 1735240641Sglebius struct pf_rule **, int *); 1736223637Sbz 1737223637Sbzint pf_map_addr(u_int8_t, struct pf_rule *, 1738223637Sbz struct pf_addr *, struct pf_addr *, 1739223637Sbz struct pf_addr *, struct pf_src_node **); 1740223637Sbzstruct pf_rule *pf_get_translation(struct pf_pdesc *, struct mbuf *, 1741223637Sbz int, int, struct pfi_kif *, struct pf_src_node **, 1742223637Sbz struct pf_state_key **, struct pf_state_key **, 1743223637Sbz struct pf_addr *, struct pf_addr *, 1744240641Sglebius uint16_t, uint16_t, struct pf_anchor_stackframe *); 1745223637Sbz 1746240233Sglebiusstruct pf_state_key *pf_state_key_setup(struct pf_pdesc *, struct pf_addr *, 1747240233Sglebius struct pf_addr *, u_int16_t, u_int16_t); 1748240233Sglebiusstruct pf_state_key *pf_state_key_clone(struct pf_state_key *); 1749223637Sbz#endif /* _KERNEL */ 1750223637Sbz 1751126258Smlaier#endif /* _NET_PFVAR_H_ */ 1752