pf_altq.h revision 240233
1223637Sbz/* $OpenBSD: pfvar.h,v 1.282 2009/01/29 15:12:28 pyr Exp $ */ 2126258Smlaier 3126258Smlaier/* 4126258Smlaier * Copyright (c) 2001 Daniel Hartmeier 5126258Smlaier * All rights reserved. 6126258Smlaier * 7126258Smlaier * Redistribution and use in source and binary forms, with or without 8126258Smlaier * modification, are permitted provided that the following conditions 9126258Smlaier * are met: 10126258Smlaier * 11126258Smlaier * - Redistributions of source code must retain the above copyright 12126258Smlaier * notice, this list of conditions and the following disclaimer. 13126258Smlaier * - Redistributions in binary form must reproduce the above 14126258Smlaier * copyright notice, this list of conditions and the following 15126258Smlaier * disclaimer in the documentation and/or other materials provided 16126258Smlaier * with the distribution. 17126258Smlaier * 18126258Smlaier * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19126258Smlaier * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20126258Smlaier * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21126258Smlaier * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22126258Smlaier * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23126258Smlaier * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24126258Smlaier * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25126258Smlaier * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26126258Smlaier * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27126258Smlaier * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28126258Smlaier * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29126258Smlaier * POSSIBILITY OF SUCH DAMAGE. 30126258Smlaier * 31126258Smlaier */ 32126258Smlaier 33126258Smlaier#ifndef _NET_PFVAR_H_ 34126258Smlaier#define _NET_PFVAR_H_ 35126258Smlaier 36145836Smlaier#include <sys/param.h> 37126258Smlaier#include <sys/queue.h> 38240233Sglebius#include <sys/refcount.h> 39126258Smlaier#include <sys/tree.h> 40126258Smlaier 41126258Smlaier#include <net/radix.h> 42126261Smlaier#include <netinet/in.h> 43126261Smlaier 44240233Sglebius#include <net/pf_mtag.h> 45126258Smlaier 46126258Smlaier#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0) 47126258Smlaier#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1) 48126258Smlaier 49171168Smlaier#define PF_MD5_DIGEST_LENGTH 16 50171168Smlaier#ifdef MD5_DIGEST_LENGTH 51171168Smlaier#if PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH 52171168Smlaier#error 53171168Smlaier#endif 54171168Smlaier#endif 55171168Smlaier 56126258Smlaierenum { PF_INOUT, PF_IN, PF_OUT }; 57145836Smlaierenum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT, 58223637Sbz PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP, PF_DEFER }; 59126258Smlaierenum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT, 60126258Smlaier PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX }; 61126258Smlaierenum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT, 62126258Smlaier PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG }; 63126258Smlaierenum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY }; 64126258Smlaierenum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL, 65126258Smlaier PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER, 66126258Smlaier PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET }; 67171168Smlaierenum { PF_GET_NONE, PF_GET_CLR_CNTR }; 68223637Sbzenum { PF_SK_WIRE, PF_SK_STACK, PF_SK_BOTH }; 69171168Smlaier 70126258Smlaier/* 71126258Smlaier * Note about PFTM_*: real indices into pf_rule.timeout[] come before 72126258Smlaier * PFTM_MAX, special cases afterwards. See pf_state_expires(). 73126258Smlaier */ 74126258Smlaierenum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED, 75126258Smlaier PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED, 76126258Smlaier PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE, 77126258Smlaier PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY, 78126258Smlaier PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE, 79126258Smlaier PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL, 80130613Smlaier PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE, 81171168Smlaier PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNLINKED, 82171168Smlaier PFTM_UNTIL_PACKET }; 83145836Smlaier 84145836Smlaier/* PFTM default values */ 85145836Smlaier#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */ 86145836Smlaier#define PFTM_TCP_OPENING_VAL 30 /* No response yet */ 87145836Smlaier#define PFTM_TCP_ESTABLISHED_VAL 24*60*60/* Established */ 88145836Smlaier#define PFTM_TCP_CLOSING_VAL 15 * 60 /* Half closed */ 89145836Smlaier#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */ 90145836Smlaier#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */ 91145836Smlaier#define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */ 92145836Smlaier#define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */ 93145836Smlaier#define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */ 94145836Smlaier#define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */ 95145836Smlaier#define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */ 96145836Smlaier#define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */ 97145836Smlaier#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */ 98145836Smlaier#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */ 99145836Smlaier#define PFTM_FRAG_VAL 30 /* Fragment expire */ 100145836Smlaier#define PFTM_INTERVAL_VAL 10 /* Expire interval */ 101145836Smlaier#define PFTM_SRC_NODE_VAL 0 /* Source tracking */ 102145836Smlaier#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */ 103145836Smlaier 104126258Smlaierenum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO }; 105171168Smlaierenum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, 106240233Sglebius PF_LIMIT_TABLE_ENTRIES, PF_LIMIT_MAX }; 107126258Smlaier#define PF_POOL_IDMASK 0x0f 108126258Smlaierenum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM, 109126258Smlaier PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN }; 110126258Smlaierenum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL, 111240233Sglebius PF_ADDR_TABLE, PF_ADDR_URPFFAILED, 112223637Sbz PF_ADDR_RANGE }; 113126258Smlaier#define PF_POOL_TYPEMASK 0x0f 114130613Smlaier#define PF_POOL_STICKYADDR 0x20 115126258Smlaier#define PF_WSCALE_FLAG 0x80 116126258Smlaier#define PF_WSCALE_MASK 0x0f 117126258Smlaier 118171168Smlaier#define PF_LOG 0x01 119171168Smlaier#define PF_LOG_ALL 0x02 120171168Smlaier#define PF_LOG_SOCKET_LOOKUP 0x04 121171168Smlaier 122126258Smlaierstruct pf_addr { 123126258Smlaier union { 124126258Smlaier struct in_addr v4; 125126258Smlaier struct in6_addr v6; 126126258Smlaier u_int8_t addr8[16]; 127126258Smlaier u_int16_t addr16[8]; 128126258Smlaier u_int32_t addr32[4]; 129126258Smlaier } pfa; /* 128-bit address */ 130126258Smlaier#define v4 pfa.v4 131126258Smlaier#define v6 pfa.v6 132126258Smlaier#define addr8 pfa.addr8 133126258Smlaier#define addr16 pfa.addr16 134126258Smlaier#define addr32 pfa.addr32 135126258Smlaier}; 136126258Smlaier 137126258Smlaier#define PF_TABLE_NAME_SIZE 32 138126258Smlaier 139130613Smlaier#define PFI_AFLAG_NETWORK 0x01 140130613Smlaier#define PFI_AFLAG_BROADCAST 0x02 141130613Smlaier#define PFI_AFLAG_PEER 0x04 142130613Smlaier#define PFI_AFLAG_MODEMASK 0x07 143130613Smlaier#define PFI_AFLAG_NOALIAS 0x08 144130613Smlaier 145126258Smlaierstruct pf_addr_wrap { 146126258Smlaier union { 147126258Smlaier struct { 148126258Smlaier struct pf_addr addr; 149126258Smlaier struct pf_addr mask; 150126258Smlaier } a; 151126258Smlaier char ifname[IFNAMSIZ]; 152126258Smlaier char tblname[PF_TABLE_NAME_SIZE]; 153126258Smlaier } v; 154126258Smlaier union { 155130613Smlaier struct pfi_dynaddr *dyn; 156126258Smlaier struct pfr_ktable *tbl; 157130613Smlaier int dyncnt; 158126258Smlaier int tblcnt; 159126258Smlaier } p; 160126258Smlaier u_int8_t type; /* PF_ADDR_* */ 161130613Smlaier u_int8_t iflags; /* PFI_AFLAG_* */ 162126258Smlaier}; 163126258Smlaier 164127145Smlaier#ifdef _KERNEL 165127145Smlaier 166130613Smlaierstruct pfi_dynaddr { 167171168Smlaier TAILQ_ENTRY(pfi_dynaddr) entry; 168171168Smlaier struct pf_addr pfid_addr4; 169171168Smlaier struct pf_addr pfid_mask4; 170171168Smlaier struct pf_addr pfid_addr6; 171171168Smlaier struct pf_addr pfid_mask6; 172171168Smlaier struct pfr_ktable *pfid_kt; 173171168Smlaier struct pfi_kif *pfid_kif; 174171168Smlaier int pfid_net; /* mask or 128 */ 175171168Smlaier int pfid_acnt4; /* address count IPv4 */ 176171168Smlaier int pfid_acnt6; /* address count IPv6 */ 177171168Smlaier sa_family_t pfid_af; /* rule af */ 178171168Smlaier u_int8_t pfid_iflags; /* PFI_AFLAG_* */ 179126258Smlaier}; 180126258Smlaier 181126258Smlaier/* 182126258Smlaier * Address manipulation macros 183126258Smlaier */ 184126263Smlaier#define HTONL(x) (x) = htonl((__uint32_t)(x)) 185126263Smlaier#define HTONS(x) (x) = htons((__uint16_t)(x)) 186126263Smlaier#define NTOHL(x) (x) = ntohl((__uint32_t)(x)) 187126263Smlaier#define NTOHS(x) (x) = ntohs((__uint16_t)(x)) 188126263Smlaier 189223637Sbz#define PF_NAME "pf" 190126261Smlaier 191240233Sglebius#define PF_HASHROW_ASSERT(h) mtx_assert(&(h)->lock, MA_OWNED) 192240233Sglebius#define PF_HASHROW_LOCK(h) mtx_lock(&(h)->lock) 193240233Sglebius#define PF_HASHROW_UNLOCK(h) mtx_unlock(&(h)->lock) 194126261Smlaier 195240233Sglebius#define PF_STATE_LOCK(s) \ 196240233Sglebius do { \ 197240233Sglebius struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(s)]; \ 198240233Sglebius PF_HASHROW_LOCK(_ih); \ 199240233Sglebius } while (0) 200126261Smlaier 201240233Sglebius#define PF_STATE_UNLOCK(s) \ 202240233Sglebius do { \ 203240233Sglebius struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH((s))]; \ 204240233Sglebius PF_HASHROW_UNLOCK(_ih); \ 205240233Sglebius } while (0) 206223637Sbz 207240233Sglebius#ifdef INVARIANTS 208240233Sglebius#define PF_STATE_LOCK_ASSERT(s) \ 209240233Sglebius do { \ 210240233Sglebius struct pf_idhash *_ih = &V_pf_idhash[PF_IDHASH(s)]; \ 211240233Sglebius PF_HASHROW_ASSERT(_ih); \ 212240233Sglebius } while (0) 213240233Sglebius#else /* !INVARIANTS */ 214240233Sglebius#define PF_STATE_LOCK_ASSERT(s) do {} while (0) 215240233Sglebius#endif /* INVARIANTS */ 216126261Smlaier 217240233Sglebiusextern struct mtx pf_unlnkdrules_mtx; 218240233Sglebius#define PF_UNLNKDRULES_LOCK() mtx_lock(&pf_unlnkdrules_mtx) 219240233Sglebius#define PF_UNLNKDRULES_UNLOCK() mtx_unlock(&pf_unlnkdrules_mtx) 220126261Smlaier 221240233Sglebiusextern struct rwlock pf_rules_lock; 222240233Sglebius#define PF_RULES_RLOCK() rw_rlock(&pf_rules_lock) 223240233Sglebius#define PF_RULES_RUNLOCK() rw_runlock(&pf_rules_lock) 224240233Sglebius#define PF_RULES_WLOCK() rw_wlock(&pf_rules_lock) 225240233Sglebius#define PF_RULES_WUNLOCK() rw_wunlock(&pf_rules_lock) 226240233Sglebius#define PF_RULES_ASSERT() rw_assert(&pf_rules_lock, RA_LOCKED) 227240233Sglebius#define PF_RULES_RASSERT() rw_assert(&pf_rules_lock, RA_RLOCKED) 228240233Sglebius#define PF_RULES_WASSERT() rw_assert(&pf_rules_lock, RA_WLOCKED) 229126261Smlaier 230223637Sbz#define PF_MODVER 1 231223637Sbz#define PFLOG_MODVER 1 232223637Sbz#define PFSYNC_MODVER 1 233126261Smlaier 234223637Sbz#define PFLOG_MINVER 1 235223637Sbz#define PFLOG_PREFVER PFLOG_MODVER 236223637Sbz#define PFLOG_MAXVER 1 237223637Sbz#define PFSYNC_MINVER 1 238223637Sbz#define PFSYNC_PREFVER PFSYNC_MODVER 239223637Sbz#define PFSYNC_MAXVER 1 240240233Sglebius 241126258Smlaier#ifdef INET 242126258Smlaier#ifndef INET6 243223637Sbz#define PF_INET_ONLY 244126258Smlaier#endif /* ! INET6 */ 245126258Smlaier#endif /* INET */ 246126258Smlaier 247126258Smlaier#ifdef INET6 248126258Smlaier#ifndef INET 249223637Sbz#define PF_INET6_ONLY 250126258Smlaier#endif /* ! INET */ 251126258Smlaier#endif /* INET6 */ 252126258Smlaier 253126258Smlaier#ifdef INET 254126258Smlaier#ifdef INET6 255223637Sbz#define PF_INET_INET6 256126258Smlaier#endif /* INET6 */ 257126258Smlaier#endif /* INET */ 258126258Smlaier 259126258Smlaier#else 260126258Smlaier 261223637Sbz#define PF_INET_INET6 262126258Smlaier 263126258Smlaier#endif /* _KERNEL */ 264126258Smlaier 265126258Smlaier/* Both IPv4 and IPv6 */ 266126258Smlaier#ifdef PF_INET_INET6 267126258Smlaier 268126258Smlaier#define PF_AEQ(a, b, c) \ 269126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 270126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 271126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 272126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 273126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 274126258Smlaier 275126258Smlaier#define PF_ANEQ(a, b, c) \ 276126258Smlaier ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 277126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 278126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 279126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 280126258Smlaier (a)->addr32[0] != (b)->addr32[0])) \ 281126258Smlaier 282126258Smlaier#define PF_AZERO(a, c) \ 283126258Smlaier ((c == AF_INET && !(a)->addr32[0]) || \ 284126258Smlaier (!(a)->addr32[0] && !(a)->addr32[1] && \ 285126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 286126258Smlaier 287126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 288126258Smlaier pf_match_addr(n, a, m, b, f) 289126258Smlaier 290126258Smlaier#define PF_ACPY(a, b, f) \ 291126258Smlaier pf_addrcpy(a, b, f) 292126258Smlaier 293126258Smlaier#define PF_AINC(a, f) \ 294126258Smlaier pf_addr_inc(a, f) 295126258Smlaier 296126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 297126258Smlaier pf_poolmask(a, b, c, d, f) 298126258Smlaier 299126258Smlaier#else 300126258Smlaier 301126258Smlaier/* Just IPv6 */ 302126258Smlaier 303126258Smlaier#ifdef PF_INET6_ONLY 304126258Smlaier 305126258Smlaier#define PF_AEQ(a, b, c) \ 306126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 307126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 308126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 309126258Smlaier (a)->addr32[0] == (b)->addr32[0]) \ 310126258Smlaier 311126258Smlaier#define PF_ANEQ(a, b, c) \ 312126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 313126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 314126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 315126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 316126258Smlaier 317126258Smlaier#define PF_AZERO(a, c) \ 318126258Smlaier (!(a)->addr32[0] && \ 319126258Smlaier !(a)->addr32[1] && \ 320126258Smlaier !(a)->addr32[2] && \ 321126258Smlaier !(a)->addr32[3] ) \ 322126258Smlaier 323126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 324126258Smlaier pf_match_addr(n, a, m, b, f) 325126258Smlaier 326126258Smlaier#define PF_ACPY(a, b, f) \ 327126258Smlaier pf_addrcpy(a, b, f) 328126258Smlaier 329126258Smlaier#define PF_AINC(a, f) \ 330126258Smlaier pf_addr_inc(a, f) 331126258Smlaier 332126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 333126258Smlaier pf_poolmask(a, b, c, d, f) 334126258Smlaier 335126258Smlaier#else 336126258Smlaier 337126258Smlaier/* Just IPv4 */ 338126258Smlaier#ifdef PF_INET_ONLY 339126258Smlaier 340126258Smlaier#define PF_AEQ(a, b, c) \ 341126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 342126258Smlaier 343126258Smlaier#define PF_ANEQ(a, b, c) \ 344126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 345126258Smlaier 346126258Smlaier#define PF_AZERO(a, c) \ 347126258Smlaier (!(a)->addr32[0]) 348126258Smlaier 349126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 350126258Smlaier pf_match_addr(n, a, m, b, f) 351126258Smlaier 352126258Smlaier#define PF_ACPY(a, b, f) \ 353126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 354126258Smlaier 355126258Smlaier#define PF_AINC(a, f) \ 356126258Smlaier do { \ 357126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 358126258Smlaier } while (0) 359126258Smlaier 360126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 361126258Smlaier do { \ 362126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 363126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 364126258Smlaier } while (0) 365126258Smlaier 366126258Smlaier#endif /* PF_INET_ONLY */ 367126258Smlaier#endif /* PF_INET6_ONLY */ 368126258Smlaier#endif /* PF_INET_INET6 */ 369126258Smlaier 370231852Sbz/* 371231852Sbz * XXX callers not FIB-aware in our version of pf yet. 372231852Sbz * OpenBSD fixed it later it seems, 2010/05/07 13:33:16 claudio. 373231852Sbz */ 374231852Sbz#define PF_MISMATCHAW(aw, x, af, neg, ifp, rtid) \ 375171168Smlaier ( \ 376171168Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 377231852Sbz pf_routable((x), (af), NULL, (rtid))) || \ 378171168Smlaier (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \ 379231852Sbz pf_routable((x), (af), (ifp), (rtid))) || \ 380171168Smlaier ((aw)->type == PF_ADDR_TABLE && \ 381171168Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 382171168Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 383223637Sbz !pfi_match_addr((aw)->p.dyn, (x), (af))) || \ 384223637Sbz ((aw)->type == PF_ADDR_RANGE && \ 385223637Sbz !pf_match_addr_range(&(aw)->v.a.addr, \ 386223637Sbz &(aw)->v.a.mask, (x), (af))) || \ 387171168Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 388171168Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 389171168Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 390171168Smlaier &(aw)->v.a.mask, (x), (af))))) != \ 391171168Smlaier (neg) \ 392126258Smlaier ) 393126258Smlaier 394171168Smlaier 395126258Smlaierstruct pf_rule_uid { 396126258Smlaier uid_t uid[2]; 397126258Smlaier u_int8_t op; 398126258Smlaier}; 399126258Smlaier 400126258Smlaierstruct pf_rule_gid { 401126258Smlaier uid_t gid[2]; 402126258Smlaier u_int8_t op; 403126258Smlaier}; 404126258Smlaier 405126258Smlaierstruct pf_rule_addr { 406126258Smlaier struct pf_addr_wrap addr; 407126258Smlaier u_int16_t port[2]; 408145836Smlaier u_int8_t neg; 409126258Smlaier u_int8_t port_op; 410126258Smlaier}; 411126258Smlaier 412126258Smlaierstruct pf_pooladdr { 413126258Smlaier struct pf_addr_wrap addr; 414126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 415126258Smlaier char ifname[IFNAMSIZ]; 416130613Smlaier struct pfi_kif *kif; 417126258Smlaier}; 418126258Smlaier 419126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 420126258Smlaier 421126258Smlaierstruct pf_poolhashkey { 422126258Smlaier union { 423126258Smlaier u_int8_t key8[16]; 424126258Smlaier u_int16_t key16[8]; 425126258Smlaier u_int32_t key32[4]; 426126258Smlaier } pfk; /* 128-bit hash key */ 427126258Smlaier#define key8 pfk.key8 428126258Smlaier#define key16 pfk.key16 429126258Smlaier#define key32 pfk.key32 430126258Smlaier}; 431126258Smlaier 432126258Smlaierstruct pf_pool { 433126258Smlaier struct pf_palist list; 434126258Smlaier struct pf_pooladdr *cur; 435126258Smlaier struct pf_poolhashkey key; 436126258Smlaier struct pf_addr counter; 437126258Smlaier int tblidx; 438126258Smlaier u_int16_t proxy_port[2]; 439126258Smlaier u_int8_t opts; 440126258Smlaier}; 441126258Smlaier 442126258Smlaier 443126258Smlaier/* A packed Operating System description for fingerprinting */ 444126258Smlaiertypedef u_int32_t pf_osfp_t; 445126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 446126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 447126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 448126258Smlaier 449126258Smlaierstruct pf_osfp_entry { 450126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 451126258Smlaier pf_osfp_t fp_os; 452126258Smlaier int fp_enflags; 453126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 454126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 455126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 456126258Smlaier#define PF_OSFP_LEN 32 457126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 458126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 459126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 460126258Smlaier}; 461126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 462126258Smlaier ((a)->fp_os == (b)->fp_os && \ 463126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 464126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 465126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 466126258Smlaier 467126258Smlaier/* handle pf_osfp_t packing */ 468126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 469126258Smlaier#define _FP_UNUSED_BITS 1 470126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 471126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 472126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 473126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 474126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 475126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 476126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 477126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 478126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 479126258Smlaier} while(0) 480126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 481126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 482126258Smlaier + _FP_SUBTYPE_BITS); \ 483126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 484126258Smlaier _FP_SUBTYPE_BITS; \ 485126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 486126258Smlaier} while(0) 487126258Smlaier 488126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 489126258Smlaiertypedef u_int64_t pf_tcpopts_t; 490126258Smlaierstruct pf_os_fingerprint { 491126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 492126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 493126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 494126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 495126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 496126258Smlaier u_int16_t fp_flags; 497126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 498126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 499126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 500126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 501126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 502126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 503126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 504126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 505126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 506126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 507126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 508126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 509126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 510126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 511171168Smlaier#define PF_OSFP_INET6 0x4000 /* IPv6 */ 512126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 513126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 514126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 515126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 516126258Smlaier/* TCP options packing */ 517126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 518126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 519126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 520126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 521126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 522126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 523126258Smlaier#define PF_OSFP_MAX_OPTS \ 524126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 525126258Smlaier / PF_OSFP_TCPOPT_BITS 526126258Smlaier 527126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 528126258Smlaier}; 529126258Smlaier 530126258Smlaierstruct pf_osfp_ioctl { 531126258Smlaier struct pf_osfp_entry fp_os; 532126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 533126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 534126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 535126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 536126258Smlaier u_int16_t fp_flags; 537126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 538126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 539126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 540126258Smlaier 541126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 542126258Smlaier}; 543126258Smlaier 544126258Smlaier 545126258Smlaierunion pf_rule_ptr { 546126258Smlaier struct pf_rule *ptr; 547126258Smlaier u_int32_t nr; 548126258Smlaier}; 549126258Smlaier 550145836Smlaier#define PF_ANCHOR_NAME_SIZE 64 551145836Smlaier 552126258Smlaierstruct pf_rule { 553126258Smlaier struct pf_rule_addr src; 554126258Smlaier struct pf_rule_addr dst; 555126258Smlaier#define PF_SKIP_IFP 0 556126258Smlaier#define PF_SKIP_DIR 1 557126258Smlaier#define PF_SKIP_AF 2 558126258Smlaier#define PF_SKIP_PROTO 3 559126258Smlaier#define PF_SKIP_SRC_ADDR 4 560126258Smlaier#define PF_SKIP_SRC_PORT 5 561126258Smlaier#define PF_SKIP_DST_ADDR 6 562126258Smlaier#define PF_SKIP_DST_PORT 7 563126258Smlaier#define PF_SKIP_COUNT 8 564126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 565126258Smlaier#define PF_RULE_LABEL_SIZE 64 566126258Smlaier char label[PF_RULE_LABEL_SIZE]; 567171168Smlaier#define PF_QNAME_SIZE 64 568126258Smlaier char ifname[IFNAMSIZ]; 569126258Smlaier char qname[PF_QNAME_SIZE]; 570126258Smlaier char pqname[PF_QNAME_SIZE]; 571171168Smlaier#define PF_TAG_NAME_SIZE 64 572126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 573126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 574126258Smlaier 575145836Smlaier char overload_tblname[PF_TABLE_NAME_SIZE]; 576145836Smlaier 577126258Smlaier TAILQ_ENTRY(pf_rule) entries; 578126258Smlaier struct pf_pool rpool; 579126258Smlaier 580126258Smlaier u_int64_t evaluations; 581171168Smlaier u_int64_t packets[2]; 582171168Smlaier u_int64_t bytes[2]; 583126258Smlaier 584130613Smlaier struct pfi_kif *kif; 585126258Smlaier struct pf_anchor *anchor; 586145836Smlaier struct pfr_ktable *overload_tbl; 587126258Smlaier 588126258Smlaier pf_osfp_t os_fingerprint; 589130613Smlaier 590171168Smlaier int rtableid; 591130613Smlaier u_int32_t timeout[PFTM_MAX]; 592223637Sbz u_int32_t states_cur; 593223637Sbz u_int32_t states_tot; 594126258Smlaier u_int32_t max_states; 595130613Smlaier u_int32_t src_nodes; 596130613Smlaier u_int32_t max_src_nodes; 597130613Smlaier u_int32_t max_src_states; 598223637Sbz u_int32_t spare1; /* netgraph */ 599145836Smlaier u_int32_t max_src_conn; 600145836Smlaier struct { 601145836Smlaier u_int32_t limit; 602145836Smlaier u_int32_t seconds; 603145836Smlaier } max_src_conn_rate; 604126258Smlaier u_int32_t qid; 605126258Smlaier u_int32_t pqid; 606126258Smlaier u_int32_t rt_listid; 607126258Smlaier u_int32_t nr; 608145836Smlaier u_int32_t prob; 609171168Smlaier uid_t cuid; 610171168Smlaier pid_t cpid; 611126258Smlaier 612126258Smlaier u_int16_t return_icmp; 613126258Smlaier u_int16_t return_icmp6; 614126258Smlaier u_int16_t max_mss; 615126258Smlaier u_int16_t tag; 616126258Smlaier u_int16_t match_tag; 617223637Sbz u_int16_t spare2; /* netgraph */ 618126258Smlaier 619126258Smlaier struct pf_rule_uid uid; 620126258Smlaier struct pf_rule_gid gid; 621126258Smlaier 622126258Smlaier u_int32_t rule_flag; 623126258Smlaier u_int8_t action; 624126258Smlaier u_int8_t direction; 625126258Smlaier u_int8_t log; 626171168Smlaier u_int8_t logif; 627126258Smlaier u_int8_t quick; 628126258Smlaier u_int8_t ifnot; 629126258Smlaier u_int8_t match_tag_not; 630126258Smlaier u_int8_t natpass; 631126258Smlaier 632126258Smlaier#define PF_STATE_NORMAL 0x1 633126258Smlaier#define PF_STATE_MODULATE 0x2 634126258Smlaier#define PF_STATE_SYNPROXY 0x3 635126258Smlaier u_int8_t keep_state; 636126258Smlaier sa_family_t af; 637126258Smlaier u_int8_t proto; 638126258Smlaier u_int8_t type; 639126258Smlaier u_int8_t code; 640126258Smlaier u_int8_t flags; 641126258Smlaier u_int8_t flagset; 642126258Smlaier u_int8_t min_ttl; 643126258Smlaier u_int8_t allow_opts; 644126258Smlaier u_int8_t rt; 645126258Smlaier u_int8_t return_ttl; 646126258Smlaier u_int8_t tos; 647223637Sbz u_int8_t set_tos; 648145836Smlaier u_int8_t anchor_relative; 649145836Smlaier u_int8_t anchor_wildcard; 650145836Smlaier 651145836Smlaier#define PF_FLUSH 0x01 652145836Smlaier#define PF_FLUSH_GLOBAL 0x02 653145836Smlaier u_int8_t flush; 654223637Sbz 655223637Sbz struct { 656223637Sbz struct pf_addr addr; 657223637Sbz u_int16_t port; 658223637Sbz } divert; 659126258Smlaier}; 660126258Smlaier 661126258Smlaier/* rule flags */ 662126258Smlaier#define PFRULE_DROP 0x0000 663126258Smlaier#define PFRULE_RETURNRST 0x0001 664126258Smlaier#define PFRULE_FRAGMENT 0x0002 665126258Smlaier#define PFRULE_RETURNICMP 0x0004 666126258Smlaier#define PFRULE_RETURN 0x0008 667130613Smlaier#define PFRULE_NOSYNC 0x0010 668130613Smlaier#define PFRULE_SRCTRACK 0x0020 /* track source states */ 669130613Smlaier#define PFRULE_RULESRCTRACK 0x0040 /* per rule */ 670240233Sglebius#define PFRULE_REFS 0x0080 /* rule has references */ 671126258Smlaier 672126258Smlaier/* scrub flags */ 673126258Smlaier#define PFRULE_NODF 0x0100 674126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 675126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 676126258Smlaier#define PFRULE_RANDOMID 0x0800 677126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 678223637Sbz#define PFRULE_SET_TOS 0x2000 679126258Smlaier 680130613Smlaier/* rule flags again */ 681130613Smlaier#define PFRULE_IFBOUND 0x00010000 /* if-bound */ 682200930Sdelphij#define PFRULE_STATESLOPPY 0x00020000 /* sloppy state tracking */ 683130613Smlaier 684126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 685171168Smlaier#define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */ 686171168Smlaier#define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */ 687126258Smlaier 688145836Smlaier 689145836Smlaierstruct pf_threshold { 690145836Smlaier u_int32_t limit; 691145836Smlaier#define PF_THRESHOLD_MULT 1000 692145836Smlaier#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT 693145836Smlaier u_int32_t seconds; 694145836Smlaier u_int32_t count; 695145836Smlaier u_int32_t last; 696145836Smlaier}; 697145836Smlaier 698130613Smlaierstruct pf_src_node { 699240233Sglebius LIST_ENTRY(pf_src_node) entry; 700130613Smlaier struct pf_addr addr; 701130613Smlaier struct pf_addr raddr; 702130613Smlaier union pf_rule_ptr rule; 703130613Smlaier struct pfi_kif *kif; 704171168Smlaier u_int64_t bytes[2]; 705171168Smlaier u_int64_t packets[2]; 706130613Smlaier u_int32_t states; 707145836Smlaier u_int32_t conn; 708145836Smlaier struct pf_threshold conn_rate; 709130613Smlaier u_int32_t creation; 710130613Smlaier u_int32_t expire; 711130613Smlaier sa_family_t af; 712130613Smlaier u_int8_t ruletype; 713130613Smlaier}; 714126258Smlaier 715130613Smlaier#define PFSNODE_HIWAT 10000 /* default source node table size */ 716130613Smlaier 717126258Smlaierstruct pf_state_scrub { 718145836Smlaier struct timeval pfss_last; /* time received last packet */ 719145836Smlaier u_int32_t pfss_tsecr; /* last echoed timestamp */ 720145836Smlaier u_int32_t pfss_tsval; /* largest timestamp */ 721145836Smlaier u_int32_t pfss_tsval0; /* original timestamp */ 722126258Smlaier u_int16_t pfss_flags; 723145836Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 724145836Smlaier#define PFSS_PAWS 0x0010 /* stricter PAWS checks */ 725145836Smlaier#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */ 726145836Smlaier#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */ 727145836Smlaier#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */ 728145836Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 729126258Smlaier u_int8_t pad; 730145836Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 731126258Smlaier}; 732126258Smlaier 733126258Smlaierstruct pf_state_host { 734126258Smlaier struct pf_addr addr; 735126258Smlaier u_int16_t port; 736126258Smlaier u_int16_t pad; 737126258Smlaier}; 738126258Smlaier 739126258Smlaierstruct pf_state_peer { 740223637Sbz struct pf_state_scrub *scrub; /* state is scrubbed */ 741126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 742126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 743126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 744126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 745223637Sbz u_int16_t mss; /* Maximum segment size option */ 746126258Smlaier u_int8_t state; /* active state level */ 747126258Smlaier u_int8_t wscale; /* window scaling factor */ 748171168Smlaier u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */ 749223637Sbz u_int8_t pad[1]; 750126258Smlaier}; 751126258Smlaier 752240233Sglebius/* Keep synced with struct pf_state_key. */ 753223637Sbzstruct pf_state_key_cmp { 754223637Sbz struct pf_addr addr[2]; 755223637Sbz u_int16_t port[2]; 756171168Smlaier sa_family_t af; 757171168Smlaier u_int8_t proto; 758223637Sbz u_int8_t pad[2]; 759171168Smlaier}; 760171168Smlaier 761223637Sbzstruct pf_state_key { 762223637Sbz struct pf_addr addr[2]; 763223637Sbz u_int16_t port[2]; 764223637Sbz sa_family_t af; 765223637Sbz u_int8_t proto; 766223637Sbz u_int8_t pad[2]; 767223637Sbz 768240233Sglebius LIST_ENTRY(pf_state_key) entry; 769240233Sglebius TAILQ_HEAD(, pf_state) states[2]; 770223637Sbz}; 771223637Sbz 772240233Sglebius/* Keep synced with struct pf_state. */ 773223637Sbzstruct pf_state_cmp { 774223637Sbz u_int64_t id; 775223637Sbz u_int32_t creatorid; 776223637Sbz u_int8_t direction; 777223637Sbz u_int8_t pad[3]; 778223637Sbz}; 779223637Sbz 780126258Smlaierstruct pf_state { 781223637Sbz u_int64_t id; 782223637Sbz u_int32_t creatorid; 783223637Sbz u_int8_t direction; 784223637Sbz u_int8_t pad[3]; 785223637Sbz 786240233Sglebius u_int refs; 787223637Sbz TAILQ_ENTRY(pf_state) sync_list; 788240233Sglebius TAILQ_ENTRY(pf_state) key_list[2]; 789240233Sglebius LIST_ENTRY(pf_state) entry; 790223637Sbz struct pf_state_peer src; 791223637Sbz struct pf_state_peer dst; 792223637Sbz union pf_rule_ptr rule; 793223637Sbz union pf_rule_ptr anchor; 794223637Sbz union pf_rule_ptr nat_rule; 795223637Sbz struct pf_addr rt_addr; 796223637Sbz struct pf_state_key *key[2]; /* addresses stack and wire */ 797223637Sbz struct pfi_kif *kif; 798223637Sbz struct pfi_kif *rt_kif; 799223637Sbz struct pf_src_node *src_node; 800223637Sbz struct pf_src_node *nat_src_node; 801223637Sbz u_int64_t packets[2]; 802223637Sbz u_int64_t bytes[2]; 803223637Sbz u_int32_t creation; 804223637Sbz u_int32_t expire; 805223637Sbz u_int32_t pfsync_time; 806223637Sbz u_int16_t tag; 807223637Sbz u_int8_t log; 808223637Sbz u_int8_t state_flags; 809223637Sbz#define PFSTATE_ALLOWOPTS 0x01 810223637Sbz#define PFSTATE_SLOPPY 0x02 811240233Sglebius/* was PFSTATE_PFLOW 0x04 */ 812223637Sbz#define PFSTATE_NOSYNC 0x08 813223637Sbz#define PFSTATE_ACK 0x10 814223637Sbz u_int8_t timeout; 815223637Sbz u_int8_t sync_state; /* PFSYNC_S_x */ 816223637Sbz 817223637Sbz /* XXX */ 818223637Sbz u_int8_t sync_updates; 819223637Sbz u_int8_t _tail[3]; 820223637Sbz}; 821223637Sbz 822223637Sbz/* 823223637Sbz * Unified state structures for pulling states out of the kernel 824223637Sbz * used by pfsync(4) and the pf(4) ioctl. 825223637Sbz */ 826223637Sbzstruct pfsync_state_scrub { 827223637Sbz u_int16_t pfss_flags; 828223637Sbz u_int8_t pfss_ttl; /* stashed TTL */ 829223637Sbz#define PFSYNC_SCRUB_FLAG_VALID 0x01 830223637Sbz u_int8_t scrub_flag; 831223637Sbz u_int32_t pfss_ts_mod; /* timestamp modulation */ 832223637Sbz} __packed; 833223637Sbz 834223637Sbzstruct pfsync_state_peer { 835223637Sbz struct pfsync_state_scrub scrub; /* state is scrubbed */ 836223637Sbz u_int32_t seqlo; /* Max sequence number sent */ 837223637Sbz u_int32_t seqhi; /* Max the other end ACKd + win */ 838223637Sbz u_int32_t seqdiff; /* Sequence number modulator */ 839223637Sbz u_int16_t max_win; /* largest window (pre scaling) */ 840223637Sbz u_int16_t mss; /* Maximum segment size option */ 841223637Sbz u_int8_t state; /* active state level */ 842223637Sbz u_int8_t wscale; /* window scaling factor */ 843223637Sbz u_int8_t pad[6]; 844223637Sbz} __packed; 845223637Sbz 846223637Sbzstruct pfsync_state_key { 847223637Sbz struct pf_addr addr[2]; 848223637Sbz u_int16_t port[2]; 849223637Sbz}; 850223637Sbz 851223637Sbzstruct pfsync_state { 852240233Sglebius u_int64_t id; 853223637Sbz char ifname[IFNAMSIZ]; 854223637Sbz struct pfsync_state_key key[2]; 855223637Sbz struct pfsync_state_peer src; 856223637Sbz struct pfsync_state_peer dst; 857223637Sbz struct pf_addr rt_addr; 858223637Sbz u_int32_t rule; 859223637Sbz u_int32_t anchor; 860223637Sbz u_int32_t nat_rule; 861223637Sbz u_int32_t creation; 862223637Sbz u_int32_t expire; 863223637Sbz u_int32_t packets[2][2]; 864223637Sbz u_int32_t bytes[2][2]; 865171168Smlaier u_int32_t creatorid; 866171168Smlaier sa_family_t af; 867171168Smlaier u_int8_t proto; 868171168Smlaier u_int8_t direction; 869240233Sglebius u_int8_t __spare[2]; 870171168Smlaier u_int8_t log; 871200930Sdelphij u_int8_t state_flags; 872171168Smlaier u_int8_t timeout; 873171168Smlaier u_int8_t sync_flags; 874223637Sbz u_int8_t updates; 875223637Sbz} __packed; 876126258Smlaier 877223637Sbz#ifdef _KERNEL 878223637Sbz/* pfsync */ 879223637Sbztypedef int pfsync_state_import_t(struct pfsync_state *, u_int8_t); 880223637Sbztypedef void pfsync_insert_state_t(struct pf_state *); 881223637Sbztypedef void pfsync_update_state_t(struct pf_state *); 882223637Sbztypedef void pfsync_delete_state_t(struct pf_state *); 883223637Sbztypedef void pfsync_clear_states_t(u_int32_t, const char *); 884223637Sbztypedef int pfsync_defer_t(struct pf_state *, struct mbuf *); 885223637Sbz 886223637Sbzextern pfsync_state_import_t *pfsync_state_import_ptr; 887223637Sbzextern pfsync_insert_state_t *pfsync_insert_state_ptr; 888223637Sbzextern pfsync_update_state_t *pfsync_update_state_ptr; 889223637Sbzextern pfsync_delete_state_t *pfsync_delete_state_ptr; 890223637Sbzextern pfsync_clear_states_t *pfsync_clear_states_ptr; 891223637Sbzextern pfsync_defer_t *pfsync_defer_ptr; 892223637Sbz 893223637Sbzvoid pfsync_state_export(struct pfsync_state *, 894223637Sbz struct pf_state *); 895223637Sbz 896223637Sbz/* pflog */ 897223637Sbzstruct pf_ruleset; 898223637Sbzstruct pf_pdesc; 899223637Sbztypedef int pflog_packet_t(struct pfi_kif *, struct mbuf *, sa_family_t, 900223637Sbz u_int8_t, u_int8_t, struct pf_rule *, struct pf_rule *, 901240233Sglebius struct pf_ruleset *, struct pf_pdesc *, int); 902223637Sbzextern pflog_packet_t *pflog_packet_ptr; 903223637Sbz 904223637Sbz#define V_pf_end_threads VNET(pf_end_threads) 905240233Sglebius#endif /* _KERNEL */ 906223637Sbz 907223637Sbz#define PFSYNC_FLAG_SRCNODE 0x04 908223637Sbz#define PFSYNC_FLAG_NATSRCNODE 0x08 909223637Sbz 910223637Sbz/* for copies to/from network byte order */ 911223637Sbz/* ioctl interface also uses network byte order */ 912223637Sbz#define pf_state_peer_hton(s,d) do { \ 913223637Sbz (d)->seqlo = htonl((s)->seqlo); \ 914223637Sbz (d)->seqhi = htonl((s)->seqhi); \ 915223637Sbz (d)->seqdiff = htonl((s)->seqdiff); \ 916223637Sbz (d)->max_win = htons((s)->max_win); \ 917223637Sbz (d)->mss = htons((s)->mss); \ 918223637Sbz (d)->state = (s)->state; \ 919223637Sbz (d)->wscale = (s)->wscale; \ 920223637Sbz if ((s)->scrub) { \ 921223637Sbz (d)->scrub.pfss_flags = \ 922223637Sbz htons((s)->scrub->pfss_flags & PFSS_TIMESTAMP); \ 923223637Sbz (d)->scrub.pfss_ttl = (s)->scrub->pfss_ttl; \ 924223637Sbz (d)->scrub.pfss_ts_mod = htonl((s)->scrub->pfss_ts_mod);\ 925223637Sbz (d)->scrub.scrub_flag = PFSYNC_SCRUB_FLAG_VALID; \ 926223637Sbz } \ 927223637Sbz} while (0) 928223637Sbz 929223637Sbz#define pf_state_peer_ntoh(s,d) do { \ 930223637Sbz (d)->seqlo = ntohl((s)->seqlo); \ 931223637Sbz (d)->seqhi = ntohl((s)->seqhi); \ 932223637Sbz (d)->seqdiff = ntohl((s)->seqdiff); \ 933223637Sbz (d)->max_win = ntohs((s)->max_win); \ 934223637Sbz (d)->mss = ntohs((s)->mss); \ 935223637Sbz (d)->state = (s)->state; \ 936223637Sbz (d)->wscale = (s)->wscale; \ 937223637Sbz if ((s)->scrub.scrub_flag == PFSYNC_SCRUB_FLAG_VALID && \ 938223637Sbz (d)->scrub != NULL) { \ 939223637Sbz (d)->scrub->pfss_flags = \ 940223637Sbz ntohs((s)->scrub.pfss_flags) & PFSS_TIMESTAMP; \ 941223637Sbz (d)->scrub->pfss_ttl = (s)->scrub.pfss_ttl; \ 942223637Sbz (d)->scrub->pfss_ts_mod = ntohl((s)->scrub.pfss_ts_mod);\ 943223637Sbz } \ 944223637Sbz} while (0) 945223637Sbz 946223637Sbz#define pf_state_counter_hton(s,d) do { \ 947223637Sbz d[0] = htonl((s>>32)&0xffffffff); \ 948223637Sbz d[1] = htonl(s&0xffffffff); \ 949223637Sbz} while (0) 950223637Sbz 951223637Sbz#define pf_state_counter_from_pfsync(s) \ 952223637Sbz (((u_int64_t)(s[0])<<32) | (u_int64_t)(s[1])) 953223637Sbz 954223637Sbz#define pf_state_counter_ntoh(s,d) do { \ 955223637Sbz d = ntohl(s[0]); \ 956223637Sbz d = d<<32; \ 957223637Sbz d += ntohl(s[1]); \ 958223637Sbz} while (0) 959223637Sbz 960126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 961126258Smlaier 962126258Smlaierstruct pf_anchor; 963126258Smlaier 964126258Smlaierstruct pf_ruleset { 965126258Smlaier struct { 966126258Smlaier struct pf_rulequeue queues[2]; 967126258Smlaier struct { 968126258Smlaier struct pf_rulequeue *ptr; 969171168Smlaier struct pf_rule **ptr_array; 970171168Smlaier u_int32_t rcount; 971126258Smlaier u_int32_t ticket; 972130613Smlaier int open; 973126258Smlaier } active, inactive; 974126258Smlaier } rules[PF_RULESET_MAX]; 975126258Smlaier struct pf_anchor *anchor; 976126258Smlaier u_int32_t tticket; 977126258Smlaier int tables; 978126258Smlaier int topen; 979126258Smlaier}; 980126258Smlaier 981145836SmlaierRB_HEAD(pf_anchor_global, pf_anchor); 982145836SmlaierRB_HEAD(pf_anchor_node, pf_anchor); 983126258Smlaierstruct pf_anchor { 984145836Smlaier RB_ENTRY(pf_anchor) entry_global; 985145836Smlaier RB_ENTRY(pf_anchor) entry_node; 986145836Smlaier struct pf_anchor *parent; 987145836Smlaier struct pf_anchor_node children; 988126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 989145836Smlaier char path[MAXPATHLEN]; 990145836Smlaier struct pf_ruleset ruleset; 991145836Smlaier int refcnt; /* anchor rules */ 992171168Smlaier int match; 993126258Smlaier}; 994145836SmlaierRB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare); 995145836SmlaierRB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare); 996126258Smlaier 997130613Smlaier#define PF_RESERVED_ANCHOR "_pf" 998130613Smlaier 999126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 1000126258Smlaier#define PFR_TFLAG_CONST 0x00000002 1001126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 1002126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 1003126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 1004126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 1005223637Sbz#define PFR_TFLAG_COUNTERS 0x00000040 1006223637Sbz/* Adjust masks below when adding flags. */ 1007240233Sglebius#define PFR_TFLAG_USRMASK (PFR_TFLAG_PERSIST | \ 1008240233Sglebius PFR_TFLAG_CONST | \ 1009240233Sglebius PFR_TFLAG_COUNTERS) 1010240233Sglebius#define PFR_TFLAG_SETMASK (PFR_TFLAG_ACTIVE | \ 1011240233Sglebius PFR_TFLAG_INACTIVE | \ 1012240233Sglebius PFR_TFLAG_REFERENCED | \ 1013240233Sglebius PFR_TFLAG_REFDANCHOR) 1014240233Sglebius#define PFR_TFLAG_ALLMASK (PFR_TFLAG_PERSIST | \ 1015240233Sglebius PFR_TFLAG_CONST | \ 1016240233Sglebius PFR_TFLAG_ACTIVE | \ 1017240233Sglebius PFR_TFLAG_INACTIVE | \ 1018240233Sglebius PFR_TFLAG_REFERENCED | \ 1019240233Sglebius PFR_TFLAG_REFDANCHOR | \ 1020240233Sglebius PFR_TFLAG_COUNTERS) 1021126258Smlaier 1022126258Smlaierstruct pfr_table { 1023145836Smlaier char pfrt_anchor[MAXPATHLEN]; 1024126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 1025126258Smlaier u_int32_t pfrt_flags; 1026126258Smlaier u_int8_t pfrt_fback; 1027126258Smlaier}; 1028126258Smlaier 1029126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 1030126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 1031223637Sbz PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_NOCOUNT, PFR_FB_MAX }; 1032126258Smlaier 1033126258Smlaierstruct pfr_addr { 1034126258Smlaier union { 1035126258Smlaier struct in_addr _pfra_ip4addr; 1036126258Smlaier struct in6_addr _pfra_ip6addr; 1037126258Smlaier } pfra_u; 1038126258Smlaier u_int8_t pfra_af; 1039126258Smlaier u_int8_t pfra_net; 1040126258Smlaier u_int8_t pfra_not; 1041126258Smlaier u_int8_t pfra_fback; 1042126258Smlaier}; 1043126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 1044126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 1045126258Smlaier 1046126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 1047126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 1048126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 1049126258Smlaier 1050126258Smlaierstruct pfr_astats { 1051126258Smlaier struct pfr_addr pfras_a; 1052126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1053126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1054126258Smlaier long pfras_tzero; 1055126258Smlaier}; 1056126258Smlaier 1057126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 1058126258Smlaier 1059126258Smlaierstruct pfr_tstats { 1060126258Smlaier struct pfr_table pfrts_t; 1061126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 1062126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 1063126258Smlaier u_int64_t pfrts_match; 1064126258Smlaier u_int64_t pfrts_nomatch; 1065126258Smlaier long pfrts_tzero; 1066126258Smlaier int pfrts_cnt; 1067126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 1068126258Smlaier}; 1069126258Smlaier#define pfrts_name pfrts_t.pfrt_name 1070126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 1071126258Smlaier 1072135615Smlaier#ifndef _SOCKADDR_UNION_DEFINED 1073135615Smlaier#define _SOCKADDR_UNION_DEFINED 1074135615Smlaierunion sockaddr_union { 1075135615Smlaier struct sockaddr sa; 1076135615Smlaier struct sockaddr_in sin; 1077135615Smlaier struct sockaddr_in6 sin6; 1078135615Smlaier}; 1079135615Smlaier#endif /* _SOCKADDR_UNION_DEFINED */ 1080135615Smlaier 1081223637Sbzstruct pfr_kcounters { 1082223637Sbz u_int64_t pfrkc_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1083223637Sbz u_int64_t pfrkc_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1084223637Sbz}; 1085223637Sbz 1086126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 1087126258Smlaierstruct pfr_kentry { 1088126258Smlaier struct radix_node pfrke_node[2]; 1089126258Smlaier union sockaddr_union pfrke_sa; 1090126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 1091240233Sglebius struct pfr_kcounters *pfrke_counters; 1092126258Smlaier long pfrke_tzero; 1093126258Smlaier u_int8_t pfrke_af; 1094126258Smlaier u_int8_t pfrke_net; 1095126258Smlaier u_int8_t pfrke_not; 1096126258Smlaier u_int8_t pfrke_mark; 1097126258Smlaier}; 1098126258Smlaier 1099126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 1100126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 1101126258Smlaierstruct pfr_ktable { 1102126258Smlaier struct pfr_tstats pfrkt_ts; 1103126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 1104126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 1105126258Smlaier struct radix_node_head *pfrkt_ip4; 1106126258Smlaier struct radix_node_head *pfrkt_ip6; 1107126258Smlaier struct pfr_ktable *pfrkt_shadow; 1108126258Smlaier struct pfr_ktable *pfrkt_root; 1109126258Smlaier struct pf_ruleset *pfrkt_rs; 1110130613Smlaier long pfrkt_larg; 1111126258Smlaier int pfrkt_nflags; 1112126258Smlaier}; 1113126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 1114126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 1115130613Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 1116130613Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 1117126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 1118126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 1119126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 1120126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 1121126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 1122126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 1123126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 1124126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 1125126258Smlaier 1126171168Smlaier/* keep synced with pfi_kif, used in RB_FIND */ 1127171168Smlaierstruct pfi_kif_cmp { 1128171168Smlaier char pfik_name[IFNAMSIZ]; 1129130613Smlaier}; 1130130613Smlaier 1131130613Smlaierstruct pfi_kif { 1132171168Smlaier char pfik_name[IFNAMSIZ]; 1133240233Sglebius union { 1134240233Sglebius RB_ENTRY(pfi_kif) _pfik_tree; 1135240233Sglebius LIST_ENTRY(pfi_kif) _pfik_list; 1136240233Sglebius } _pfik_glue; 1137240233Sglebius#define pfik_tree _pfik_glue._pfik_tree 1138240233Sglebius#define pfik_list _pfik_glue._pfik_list 1139171168Smlaier u_int64_t pfik_packets[2][2][2]; 1140171168Smlaier u_int64_t pfik_bytes[2][2][2]; 1141171168Smlaier u_int32_t pfik_tzero; 1142240233Sglebius u_int pfik_flags; 1143130613Smlaier struct ifnet *pfik_ifp; 1144171168Smlaier struct ifg_group *pfik_group; 1145240233Sglebius u_int pfik_rulerefs; 1146171168Smlaier TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs; 1147130613Smlaier}; 1148130613Smlaier 1149240233Sglebius#define PFI_IFLAG_REFS 0x0001 /* has state references */ 1150145836Smlaier#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */ 1151130613Smlaier 1152126258Smlaierstruct pf_pdesc { 1153171168Smlaier struct { 1154171168Smlaier int done; 1155171168Smlaier uid_t uid; 1156171168Smlaier gid_t gid; 1157171168Smlaier } lookup; 1158126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 1159126258Smlaier union { 1160126258Smlaier struct tcphdr *tcp; 1161126258Smlaier struct udphdr *udp; 1162126258Smlaier struct icmp *icmp; 1163126258Smlaier#ifdef INET6 1164126258Smlaier struct icmp6_hdr *icmp6; 1165126258Smlaier#endif /* INET6 */ 1166126258Smlaier void *any; 1167126258Smlaier } hdr; 1168223637Sbz 1169130613Smlaier struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */ 1170223637Sbz struct pf_addr *src; /* src address */ 1171223637Sbz struct pf_addr *dst; /* dst address */ 1172223637Sbz u_int16_t *sport; 1173223637Sbz u_int16_t *dport; 1174171168Smlaier struct pf_mtag *pf_mtag; 1175223637Sbz 1176223637Sbz u_int32_t p_len; /* total length of payload */ 1177223637Sbz 1178126258Smlaier u_int16_t *ip_sum; 1179223637Sbz u_int16_t *proto_sum; 1180126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 1181126258Smlaier * state code. Easier than tags */ 1182126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 1183145836Smlaier#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */ 1184126258Smlaier sa_family_t af; 1185126258Smlaier u_int8_t proto; 1186126258Smlaier u_int8_t tos; 1187223637Sbz u_int8_t dir; /* direction */ 1188223637Sbz u_int8_t sidx; /* key index for source */ 1189223637Sbz u_int8_t didx; /* key index for destination */ 1190126258Smlaier}; 1191126258Smlaier 1192126258Smlaier/* flags for RDR options */ 1193126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 1194126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 1195126258Smlaier 1196126258Smlaier/* Reasons code for passing/dropping a packet */ 1197126258Smlaier#define PFRES_MATCH 0 /* Explicit match of a rule */ 1198126258Smlaier#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 1199126258Smlaier#define PFRES_FRAG 2 /* Dropping following fragment */ 1200126258Smlaier#define PFRES_SHORT 3 /* Dropping short packet */ 1201126258Smlaier#define PFRES_NORM 4 /* Dropping by normalizer */ 1202126258Smlaier#define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 1203145836Smlaier#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */ 1204145836Smlaier#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */ 1205145836Smlaier#define PFRES_IPOPTIONS 8 /* IP option */ 1206145836Smlaier#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */ 1207145836Smlaier#define PFRES_BADSTATE 10 /* State mismatch */ 1208145836Smlaier#define PFRES_STATEINS 11 /* State insertion failure */ 1209145836Smlaier#define PFRES_MAXSTATES 12 /* State limit */ 1210145836Smlaier#define PFRES_SRCLIMIT 13 /* Source node/conn limit */ 1211145836Smlaier#define PFRES_SYNPROXY 14 /* SYN proxy */ 1212145836Smlaier#define PFRES_MAX 15 /* total+1 */ 1213126258Smlaier 1214126258Smlaier#define PFRES_NAMES { \ 1215126258Smlaier "match", \ 1216126258Smlaier "bad-offset", \ 1217126258Smlaier "fragment", \ 1218126258Smlaier "short", \ 1219126258Smlaier "normalize", \ 1220126258Smlaier "memory", \ 1221145836Smlaier "bad-timestamp", \ 1222145836Smlaier "congestion", \ 1223145836Smlaier "ip-option", \ 1224145836Smlaier "proto-cksum", \ 1225145836Smlaier "state-mismatch", \ 1226145836Smlaier "state-insert", \ 1227145836Smlaier "state-limit", \ 1228145836Smlaier "src-limit", \ 1229145836Smlaier "synproxy", \ 1230126258Smlaier NULL \ 1231126258Smlaier} 1232126258Smlaier 1233145836Smlaier/* Counters for other things we want to keep track of */ 1234145836Smlaier#define LCNT_STATES 0 /* states */ 1235145836Smlaier#define LCNT_SRCSTATES 1 /* max-src-states */ 1236145836Smlaier#define LCNT_SRCNODES 2 /* max-src-nodes */ 1237145836Smlaier#define LCNT_SRCCONN 3 /* max-src-conn */ 1238145836Smlaier#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */ 1239145836Smlaier#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */ 1240145836Smlaier#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */ 1241145836Smlaier#define LCNT_MAX 7 /* total+1 */ 1242145836Smlaier 1243145836Smlaier#define LCNT_NAMES { \ 1244145836Smlaier "max states per rule", \ 1245145836Smlaier "max-src-states", \ 1246145836Smlaier "max-src-nodes", \ 1247145836Smlaier "max-src-conn", \ 1248145836Smlaier "max-src-conn-rate", \ 1249145836Smlaier "overload table insertion", \ 1250145836Smlaier "overload flush states", \ 1251145836Smlaier NULL \ 1252145836Smlaier} 1253145836Smlaier 1254126258Smlaier/* UDP state enumeration */ 1255126258Smlaier#define PFUDPS_NO_TRAFFIC 0 1256126258Smlaier#define PFUDPS_SINGLE 1 1257126258Smlaier#define PFUDPS_MULTIPLE 2 1258126258Smlaier 1259126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 1260126258Smlaier 1261126258Smlaier#define PFUDPS_NAMES { \ 1262126258Smlaier "NO_TRAFFIC", \ 1263126258Smlaier "SINGLE", \ 1264126258Smlaier "MULTIPLE", \ 1265126258Smlaier NULL \ 1266126258Smlaier} 1267126258Smlaier 1268126258Smlaier/* Other protocol state enumeration */ 1269126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 1270126258Smlaier#define PFOTHERS_SINGLE 1 1271126258Smlaier#define PFOTHERS_MULTIPLE 2 1272126258Smlaier 1273126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 1274126258Smlaier 1275126258Smlaier#define PFOTHERS_NAMES { \ 1276126258Smlaier "NO_TRAFFIC", \ 1277126258Smlaier "SINGLE", \ 1278126258Smlaier "MULTIPLE", \ 1279126258Smlaier NULL \ 1280126258Smlaier} 1281126258Smlaier 1282126258Smlaier#define FCNT_STATE_SEARCH 0 1283126258Smlaier#define FCNT_STATE_INSERT 1 1284126258Smlaier#define FCNT_STATE_REMOVALS 2 1285126258Smlaier#define FCNT_MAX 3 1286126258Smlaier 1287130613Smlaier#define SCNT_SRC_NODE_SEARCH 0 1288130613Smlaier#define SCNT_SRC_NODE_INSERT 1 1289130613Smlaier#define SCNT_SRC_NODE_REMOVALS 2 1290130613Smlaier#define SCNT_MAX 3 1291126258Smlaier 1292126258Smlaier#define ACTION_SET(a, x) \ 1293126258Smlaier do { \ 1294126258Smlaier if ((a) != NULL) \ 1295126258Smlaier *(a) = (x); \ 1296126258Smlaier } while (0) 1297126258Smlaier 1298126258Smlaier#define REASON_SET(a, x) \ 1299126258Smlaier do { \ 1300126258Smlaier if ((a) != NULL) \ 1301126258Smlaier *(a) = (x); \ 1302126258Smlaier if (x < PFRES_MAX) \ 1303223637Sbz V_pf_status.counters[x]++; \ 1304223637Sbz } while (0) 1305126258Smlaier 1306126258Smlaierstruct pf_status { 1307126258Smlaier u_int64_t counters[PFRES_MAX]; 1308145836Smlaier u_int64_t lcounters[LCNT_MAX]; /* limit counters */ 1309126258Smlaier u_int64_t fcounters[FCNT_MAX]; 1310130613Smlaier u_int64_t scounters[SCNT_MAX]; 1311126258Smlaier u_int64_t pcounters[2][2][3]; 1312126258Smlaier u_int64_t bcounters[2][2]; 1313126258Smlaier u_int32_t running; 1314126258Smlaier u_int32_t states; 1315130613Smlaier u_int32_t src_nodes; 1316126258Smlaier u_int32_t since; 1317126258Smlaier u_int32_t debug; 1318130613Smlaier u_int32_t hostid; 1319126258Smlaier char ifname[IFNAMSIZ]; 1320171168Smlaier u_int8_t pf_chksum[PF_MD5_DIGEST_LENGTH]; 1321126258Smlaier}; 1322126258Smlaier 1323126258Smlaierstruct cbq_opts { 1324126258Smlaier u_int minburst; 1325126258Smlaier u_int maxburst; 1326126258Smlaier u_int pktsize; 1327126258Smlaier u_int maxpktsize; 1328126258Smlaier u_int ns_per_byte; 1329126258Smlaier u_int maxidle; 1330126258Smlaier int minidle; 1331126258Smlaier u_int offtime; 1332126258Smlaier int flags; 1333126258Smlaier}; 1334126258Smlaier 1335126258Smlaierstruct priq_opts { 1336126258Smlaier int flags; 1337126258Smlaier}; 1338126258Smlaier 1339126258Smlaierstruct hfsc_opts { 1340126258Smlaier /* real-time service curve */ 1341126258Smlaier u_int rtsc_m1; /* slope of the 1st segment in bps */ 1342126258Smlaier u_int rtsc_d; /* the x-projection of m1 in msec */ 1343126258Smlaier u_int rtsc_m2; /* slope of the 2nd segment in bps */ 1344126258Smlaier /* link-sharing service curve */ 1345126258Smlaier u_int lssc_m1; 1346126258Smlaier u_int lssc_d; 1347126258Smlaier u_int lssc_m2; 1348126258Smlaier /* upper-limit service curve */ 1349126258Smlaier u_int ulsc_m1; 1350126258Smlaier u_int ulsc_d; 1351126258Smlaier u_int ulsc_m2; 1352126258Smlaier int flags; 1353126258Smlaier}; 1354126258Smlaier 1355126258Smlaierstruct pf_altq { 1356126258Smlaier char ifname[IFNAMSIZ]; 1357126258Smlaier 1358126258Smlaier void *altq_disc; /* discipline-specific state */ 1359126258Smlaier TAILQ_ENTRY(pf_altq) entries; 1360126258Smlaier 1361126258Smlaier /* scheduler spec */ 1362126258Smlaier u_int8_t scheduler; /* scheduler type */ 1363126258Smlaier u_int16_t tbrsize; /* tokenbucket regulator size */ 1364126258Smlaier u_int32_t ifbandwidth; /* interface bandwidth */ 1365126258Smlaier 1366126258Smlaier /* queue spec */ 1367126258Smlaier char qname[PF_QNAME_SIZE]; /* queue name */ 1368126258Smlaier char parent[PF_QNAME_SIZE]; /* parent name */ 1369126258Smlaier u_int32_t parent_qid; /* parent queue id */ 1370126258Smlaier u_int32_t bandwidth; /* queue bandwidth */ 1371126258Smlaier u_int8_t priority; /* priority */ 1372177700Smlaier u_int8_t local_flags; /* dynamic interface */ 1373177700Smlaier#define PFALTQ_FLAG_IF_REMOVED 0x01 1374240233Sglebius 1375126258Smlaier u_int16_t qlimit; /* queue size limit */ 1376126258Smlaier u_int16_t flags; /* misc flags */ 1377126258Smlaier union { 1378126258Smlaier struct cbq_opts cbq_opts; 1379126258Smlaier struct priq_opts priq_opts; 1380126258Smlaier struct hfsc_opts hfsc_opts; 1381126258Smlaier } pq_u; 1382126258Smlaier 1383126258Smlaier u_int32_t qid; /* return value */ 1384126258Smlaier}; 1385126258Smlaier 1386223637Sbzstruct pf_divert { 1387223637Sbz union { 1388223637Sbz struct in_addr ipv4; 1389223637Sbz struct in6_addr ipv6; 1390223637Sbz } addr; 1391223637Sbz u_int16_t port; 1392223637Sbz}; 1393223637Sbz 1394126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 1395171168Smlaier#define PFR_KENTRY_HIWAT 200000 /* Number of table entries */ 1396171168Smlaier 1397126258Smlaier/* 1398126258Smlaier * ioctl parameter structures 1399126258Smlaier */ 1400126258Smlaier 1401126258Smlaierstruct pfioc_pooladdr { 1402126258Smlaier u_int32_t action; 1403126258Smlaier u_int32_t ticket; 1404126258Smlaier u_int32_t nr; 1405126258Smlaier u_int32_t r_num; 1406126258Smlaier u_int8_t r_action; 1407126258Smlaier u_int8_t r_last; 1408126258Smlaier u_int8_t af; 1409145836Smlaier char anchor[MAXPATHLEN]; 1410126258Smlaier struct pf_pooladdr addr; 1411126258Smlaier}; 1412126258Smlaier 1413126258Smlaierstruct pfioc_rule { 1414126258Smlaier u_int32_t action; 1415126258Smlaier u_int32_t ticket; 1416126258Smlaier u_int32_t pool_ticket; 1417126258Smlaier u_int32_t nr; 1418145836Smlaier char anchor[MAXPATHLEN]; 1419145836Smlaier char anchor_call[MAXPATHLEN]; 1420126258Smlaier struct pf_rule rule; 1421126258Smlaier}; 1422126258Smlaier 1423126258Smlaierstruct pfioc_natlook { 1424126258Smlaier struct pf_addr saddr; 1425126258Smlaier struct pf_addr daddr; 1426126258Smlaier struct pf_addr rsaddr; 1427126258Smlaier struct pf_addr rdaddr; 1428126258Smlaier u_int16_t sport; 1429126258Smlaier u_int16_t dport; 1430126258Smlaier u_int16_t rsport; 1431126258Smlaier u_int16_t rdport; 1432126258Smlaier sa_family_t af; 1433126258Smlaier u_int8_t proto; 1434126258Smlaier u_int8_t direction; 1435126258Smlaier}; 1436126258Smlaier 1437126258Smlaierstruct pfioc_state { 1438223637Sbz struct pfsync_state state; 1439126258Smlaier}; 1440126258Smlaier 1441171168Smlaierstruct pfioc_src_node_kill { 1442171168Smlaier sa_family_t psnk_af; 1443171168Smlaier struct pf_rule_addr psnk_src; 1444171168Smlaier struct pf_rule_addr psnk_dst; 1445223637Sbz u_int psnk_killed; 1446171168Smlaier}; 1447171168Smlaier 1448126258Smlaierstruct pfioc_state_kill { 1449223637Sbz struct pf_state_cmp psk_pfcmp; 1450126258Smlaier sa_family_t psk_af; 1451126258Smlaier int psk_proto; 1452126258Smlaier struct pf_rule_addr psk_src; 1453126258Smlaier struct pf_rule_addr psk_dst; 1454130613Smlaier char psk_ifname[IFNAMSIZ]; 1455223637Sbz char psk_label[PF_RULE_LABEL_SIZE]; 1456223637Sbz u_int psk_killed; 1457126258Smlaier}; 1458126258Smlaier 1459126258Smlaierstruct pfioc_states { 1460126258Smlaier int ps_len; 1461126258Smlaier union { 1462223637Sbz caddr_t psu_buf; 1463223637Sbz struct pfsync_state *psu_states; 1464126258Smlaier } ps_u; 1465126258Smlaier#define ps_buf ps_u.psu_buf 1466126258Smlaier#define ps_states ps_u.psu_states 1467126258Smlaier}; 1468126258Smlaier 1469130613Smlaierstruct pfioc_src_nodes { 1470130613Smlaier int psn_len; 1471130613Smlaier union { 1472130613Smlaier caddr_t psu_buf; 1473130613Smlaier struct pf_src_node *psu_src_nodes; 1474130613Smlaier } psn_u; 1475130613Smlaier#define psn_buf psn_u.psu_buf 1476130613Smlaier#define psn_src_nodes psn_u.psu_src_nodes 1477130613Smlaier}; 1478130613Smlaier 1479126258Smlaierstruct pfioc_if { 1480126258Smlaier char ifname[IFNAMSIZ]; 1481126258Smlaier}; 1482126258Smlaier 1483126258Smlaierstruct pfioc_tm { 1484126258Smlaier int timeout; 1485126258Smlaier int seconds; 1486126258Smlaier}; 1487126258Smlaier 1488126258Smlaierstruct pfioc_limit { 1489126258Smlaier int index; 1490126258Smlaier unsigned limit; 1491126258Smlaier}; 1492126258Smlaier 1493126258Smlaierstruct pfioc_altq { 1494126258Smlaier u_int32_t action; 1495126258Smlaier u_int32_t ticket; 1496126258Smlaier u_int32_t nr; 1497126258Smlaier struct pf_altq altq; 1498126258Smlaier}; 1499126258Smlaier 1500126258Smlaierstruct pfioc_qstats { 1501126258Smlaier u_int32_t ticket; 1502126258Smlaier u_int32_t nr; 1503126258Smlaier void *buf; 1504126258Smlaier int nbytes; 1505126258Smlaier u_int8_t scheduler; 1506126258Smlaier}; 1507126258Smlaier 1508145836Smlaierstruct pfioc_ruleset { 1509126258Smlaier u_int32_t nr; 1510145836Smlaier char path[MAXPATHLEN]; 1511126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1512126258Smlaier}; 1513126258Smlaier 1514130613Smlaier#define PF_RULESET_ALTQ (PF_RULESET_MAX) 1515130613Smlaier#define PF_RULESET_TABLE (PF_RULESET_MAX+1) 1516130613Smlaierstruct pfioc_trans { 1517130613Smlaier int size; /* number of elements */ 1518130613Smlaier int esize; /* size of each element in bytes */ 1519130613Smlaier struct pfioc_trans_e { 1520130613Smlaier int rs_num; 1521145836Smlaier char anchor[MAXPATHLEN]; 1522130613Smlaier u_int32_t ticket; 1523130613Smlaier } *array; 1524130613Smlaier}; 1525130613Smlaier 1526240233Sglebius#define PFR_FLAG_ATOMIC 0x00000001 /* unused */ 1527126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1528126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1529126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1530126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1531126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1532126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1533126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1534130613Smlaier#ifdef _KERNEL 1535130613Smlaier#define PFR_FLAG_USERIOCTL 0x10000000 1536130613Smlaier#endif 1537126258Smlaier 1538126258Smlaierstruct pfioc_table { 1539126258Smlaier struct pfr_table pfrio_table; 1540126258Smlaier void *pfrio_buffer; 1541126258Smlaier int pfrio_esize; 1542126258Smlaier int pfrio_size; 1543126258Smlaier int pfrio_size2; 1544126258Smlaier int pfrio_nadd; 1545126258Smlaier int pfrio_ndel; 1546126258Smlaier int pfrio_nchange; 1547126258Smlaier int pfrio_flags; 1548126258Smlaier u_int32_t pfrio_ticket; 1549126258Smlaier}; 1550126258Smlaier#define pfrio_exists pfrio_nadd 1551126258Smlaier#define pfrio_nzero pfrio_nadd 1552126258Smlaier#define pfrio_nmatch pfrio_nadd 1553126258Smlaier#define pfrio_naddr pfrio_size2 1554126258Smlaier#define pfrio_setflag pfrio_size2 1555126258Smlaier#define pfrio_clrflag pfrio_nadd 1556126258Smlaier 1557130613Smlaierstruct pfioc_iface { 1558130613Smlaier char pfiio_name[IFNAMSIZ]; 1559130613Smlaier void *pfiio_buffer; 1560130613Smlaier int pfiio_esize; 1561130613Smlaier int pfiio_size; 1562130613Smlaier int pfiio_nzero; 1563130613Smlaier int pfiio_flags; 1564130613Smlaier}; 1565130613Smlaier 1566130613Smlaier 1567126258Smlaier/* 1568126258Smlaier * ioctl operations 1569126258Smlaier */ 1570126258Smlaier 1571126258Smlaier#define DIOCSTART _IO ('D', 1) 1572126258Smlaier#define DIOCSTOP _IO ('D', 2) 1573126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1574126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1575126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1576126258Smlaier/* XXX cut 8 - 17 */ 1577130613Smlaier#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill) 1578126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1579126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1580126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1581126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1582126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1583126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1584126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1585126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1586126258Smlaier/* XXX cut 26 - 28 */ 1587126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1588126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1589126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1590126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1591126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1592126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1593126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1594126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1595126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1596126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1597126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1598126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1599126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1600126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1601126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1602126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1603126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1604126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1605126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1606145836Smlaier/* XXX cut 55 - 57 */ 1607126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1608126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1609126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1610126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1611126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1612126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1613126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1614223637Sbz#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1615126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1616126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1617126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1618126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1619126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1620126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1621223637Sbz#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1622126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1623126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1624223637Sbz#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1625223637Sbz#define DIOCOSFPFLUSH _IO('D', 78) 1626223637Sbz#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1627223637Sbz#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1628223637Sbz#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans) 1629223637Sbz#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans) 1630223637Sbz#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans) 1631223637Sbz#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes) 1632223637Sbz#define DIOCCLRSRCNODES _IO('D', 85) 1633223637Sbz#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t) 1634223637Sbz#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface) 1635223637Sbz#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface) 1636223637Sbz#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface) 1637223637Sbz#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill) 1638126261Smlaierstruct pf_ifspeed { 1639126261Smlaier char ifname[IFNAMSIZ]; 1640126261Smlaier u_int32_t baudrate; 1641126261Smlaier}; 1642223637Sbz#define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed) 1643126258Smlaier 1644126258Smlaier#ifdef _KERNEL 1645240233Sglebiusstruct pf_srchash { 1646240233Sglebius LIST_HEAD(, pf_src_node) nodes; 1647240233Sglebius struct mtx lock; 1648240233Sglebius}; 1649126258Smlaier 1650240233Sglebiusstruct pf_keyhash { 1651240233Sglebius LIST_HEAD(, pf_state_key) keys; 1652240233Sglebius struct mtx lock; 1653240233Sglebius}; 1654130613Smlaier 1655240233Sglebiusstruct pf_idhash { 1656240233Sglebius LIST_HEAD(, pf_state) states; 1657240233Sglebius struct mtx lock; 1658240233Sglebius}; 1659240233Sglebius 1660240233Sglebius#define PF_HASHSIZ (32768) 1661240233SglebiusVNET_DECLARE(struct pf_keyhash *, pf_keyhash); 1662240233SglebiusVNET_DECLARE(struct pf_idhash *, pf_idhash); 1663240233SglebiusVNET_DECLARE(u_long, pf_hashmask); 1664240233Sglebius#define V_pf_keyhash VNET(pf_keyhash) 1665240233Sglebius#define V_pf_idhash VNET(pf_idhash) 1666240233Sglebius#define V_pf_hashmask VNET(pf_hashmask) 1667240233SglebiusVNET_DECLARE(struct pf_srchash *, pf_srchash); 1668240233SglebiusVNET_DECLARE(u_long, pf_srchashmask); 1669240233Sglebius#define V_pf_srchash VNET(pf_srchash) 1670240233Sglebius#define V_pf_srchashmask VNET(pf_srchashmask) 1671240233Sglebius 1672240233Sglebius#define PF_IDHASH(s) (be64toh((s)->id) % (V_pf_hashmask + 1)) 1673240233Sglebius 1674240233SglebiusVNET_DECLARE(void *, pf_swi_cookie); 1675240233Sglebius#define V_pf_swi_cookie VNET(pf_swi_cookie) 1676240233Sglebius 1677240233SglebiusVNET_DECLARE(uint64_t, pf_stateid[MAXCPU]); 1678240233Sglebius#define V_pf_stateid VNET(pf_stateid) 1679240233Sglebius 1680126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1681223637SbzVNET_DECLARE(struct pf_altqqueue, pf_altqs[2]); 1682223637Sbz#define V_pf_altqs VNET(pf_altqs) 1683223637SbzVNET_DECLARE(struct pf_palist, pf_pabuf); 1684223637Sbz#define V_pf_pabuf VNET(pf_pabuf) 1685126258Smlaier 1686223637SbzVNET_DECLARE(u_int32_t, ticket_altqs_active); 1687223637Sbz#define V_ticket_altqs_active VNET(ticket_altqs_active) 1688223637SbzVNET_DECLARE(u_int32_t, ticket_altqs_inactive); 1689223637Sbz#define V_ticket_altqs_inactive VNET(ticket_altqs_inactive) 1690223637SbzVNET_DECLARE(int, altqs_inactive_open); 1691223637Sbz#define V_altqs_inactive_open VNET(altqs_inactive_open) 1692223637SbzVNET_DECLARE(u_int32_t, ticket_pabuf); 1693223637Sbz#define V_ticket_pabuf VNET(ticket_pabuf) 1694223637SbzVNET_DECLARE(struct pf_altqqueue *, pf_altqs_active); 1695223637Sbz#define V_pf_altqs_active VNET(pf_altqs_active) 1696223637SbzVNET_DECLARE(struct pf_altqqueue *, pf_altqs_inactive); 1697223637Sbz#define V_pf_altqs_inactive VNET(pf_altqs_inactive) 1698240233Sglebius 1699240233SglebiusVNET_DECLARE(struct pf_rulequeue, pf_unlinked_rules); 1700240233Sglebius#define V_pf_unlinked_rules VNET(pf_unlinked_rules) 1701240233Sglebius 1702240233Sglebiusvoid pf_initialize(void); 1703240233Sglebiusvoid pf_cleanup(void); 1704240233Sglebius 1705240233Sglebiusstruct pf_mtag *pf_get_mtag(struct mbuf *); 1706240233Sglebius 1707126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1708177700Smlaier#ifdef ALTQ 1709223637Sbzextern void pf_altq_ifnet_event(struct ifnet *, int); 1710177700Smlaier#endif 1711240233SglebiusVNET_DECLARE(uma_zone_t, pf_state_z); 1712240233Sglebius#define V_pf_state_z VNET(pf_state_z) 1713240233SglebiusVNET_DECLARE(uma_zone_t, pf_state_key_z); 1714240233Sglebius#define V_pf_state_key_z VNET(pf_state_key_z) 1715240233SglebiusVNET_DECLARE(uma_zone_t, pf_state_scrub_z); 1716240233Sglebius#define V_pf_state_scrub_z VNET(pf_state_scrub_z) 1717240233Sglebius 1718171168Smlaierextern void pf_purge_thread(void *); 1719240233Sglebiusextern void pf_intr(void *); 1720240233Sglebiusextern void pf_purge_expired_src_nodes(void); 1721240233Sglebius 1722240233Sglebiusextern int pf_unlink_state(struct pf_state *, u_int); 1723240233Sglebius#define PF_ENTER_LOCKED 0x00000001 1724240233Sglebius#define PF_RETURN_LOCKED 0x00000002 1725223637Sbzextern int pf_state_insert(struct pfi_kif *, 1726223637Sbz struct pf_state_key *, 1727223637Sbz struct pf_state_key *, 1728130613Smlaier struct pf_state *); 1729240233Sglebiusextern void pf_free_state(struct pf_state *); 1730240233Sglebius 1731240233Sglebiusstatic __inline u_int 1732240233Sglebiuspf_hashsrc(struct pf_addr *addr, sa_family_t af) 1733240233Sglebius{ 1734240233Sglebius u_int h; 1735240233Sglebius 1736240233Sglebius#define ADDR_HASH(a) ((a) ^ ((a) >> 16)) 1737240233Sglebius 1738240233Sglebius switch (af) { 1739240233Sglebius case AF_INET: 1740240233Sglebius h = ADDR_HASH(addr->v4.s_addr); 1741240233Sglebius break; 1742240233Sglebius case AF_INET6: 1743240233Sglebius h = ADDR_HASH(addr->v6.__u6_addr.__u6_addr32[3]); 1744240233Sglebius default: 1745240233Sglebius panic("%s: unknown address family %u", __func__, af); 1746240233Sglebius } 1747240233Sglebius#undef ADDR_HASH 1748240233Sglebius 1749240233Sglebius return (h & V_pf_srchashmask); 1750240233Sglebius} 1751240233Sglebius 1752240233Sglebiusstatic __inline void 1753240233Sglebiuspf_ref_state(struct pf_state *s) 1754240233Sglebius{ 1755240233Sglebius 1756240233Sglebius refcount_acquire(&s->refs); 1757240233Sglebius} 1758240233Sglebius 1759240233Sglebiusstatic __inline int 1760240233Sglebiuspf_release_state(struct pf_state *s) 1761240233Sglebius{ 1762240233Sglebius 1763240233Sglebius if (refcount_release(&s->refs)) { 1764240233Sglebius pf_free_state(s); 1765240233Sglebius return (1); 1766240233Sglebius } else 1767240233Sglebius return (0); 1768240233Sglebius} 1769240233Sglebius 1770240233Sglebiusextern struct pf_state *pf_find_state_byid(uint64_t, uint32_t); 1771223637Sbzextern struct pf_state *pf_find_state_all(struct pf_state_key_cmp *, 1772223637Sbz u_int, int *); 1773240233Sglebiusstruct pf_src_node *pf_find_src_node(struct pf_addr *, struct pf_rule *, 1774240233Sglebius sa_family_t, int); 1775145836Smlaierextern void pf_print_state(struct pf_state *); 1776145836Smlaierextern void pf_print_flags(u_int8_t); 1777133574Smlaierextern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t, 1778133574Smlaier u_int8_t); 1779126258Smlaier 1780223637SbzVNET_DECLARE(struct ifnet *, sync_ifp); 1781223637Sbz#define V_sync_ifp VNET(sync_ifp); 1782223637SbzVNET_DECLARE(struct pf_rule, pf_default_rule); 1783223637Sbz#define V_pf_default_rule VNET(pf_default_rule) 1784126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1785126258Smlaier u_int8_t); 1786240233Sglebiusvoid pf_free_rule(struct pf_rule *); 1787126258Smlaier 1788126258Smlaier#ifdef INET 1789240233Sglebiusint pf_test(int, struct ifnet *, struct mbuf **, struct inpcb *); 1790126258Smlaier#endif /* INET */ 1791126258Smlaier 1792126258Smlaier#ifdef INET6 1793240233Sglebiusint pf_test6(int, struct ifnet *, struct mbuf **, struct inpcb *); 1794126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1795126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1796126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1797126258Smlaier#endif /* INET6 */ 1798126258Smlaier 1799171168Smlaieru_int32_t pf_new_isn(struct pf_state *); 1800126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1801126258Smlaier sa_family_t); 1802126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1803223637Sbzvoid pf_send_deferred_syn(struct pf_state *); 1804126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1805126258Smlaier struct pf_addr *, sa_family_t); 1806223637Sbzint pf_match_addr_range(struct pf_addr *, struct pf_addr *, 1807223637Sbz struct pf_addr *, sa_family_t); 1808126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1809126258Smlaier 1810126258Smlaiervoid pf_normalize_init(void); 1811240233Sglebiusvoid pf_normalize_cleanup(void); 1812145836Smlaierint pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *, 1813145836Smlaier struct pf_pdesc *); 1814145836Smlaierint pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *, 1815145836Smlaier struct pf_pdesc *); 1816130613Smlaierint pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *, 1817126258Smlaier struct pf_pdesc *); 1818126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1819126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1820126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1821126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1822145836Smlaier u_short *, struct tcphdr *, struct pf_state *, 1823145836Smlaier struct pf_state_peer *, struct pf_state_peer *, int *); 1824126258Smlaieru_int32_t 1825126258Smlaier pf_state_expires(const struct pf_state *); 1826126258Smlaiervoid pf_purge_expired_fragments(void); 1827231852Sbzint pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kif *, 1828231852Sbz int); 1829240233Sglebiusint pf_socket_lookup(int, struct pf_pdesc *, struct mbuf *); 1830223637Sbzstruct pf_state_key *pf_alloc_state_key(int); 1831126258Smlaiervoid pfr_initialize(void); 1832240233Sglebiusvoid pfr_cleanup(void); 1833126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 1834126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 1835126258Smlaier u_int64_t, int, int, int); 1836240233Sglebiusint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, sa_family_t); 1837130613Smlaiervoid pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *); 1838126258Smlaierstruct pfr_ktable * 1839240233Sglebius pfr_attach_table(struct pf_ruleset *, char *); 1840126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 1841126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 1842126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 1843126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 1844126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 1845126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 1846126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 1847126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 1848126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 1849145836Smlaierint pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long); 1850126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1851126258Smlaier int); 1852126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1853126258Smlaier int); 1854126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1855171168Smlaier int *, int *, int *, int, u_int32_t); 1856126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 1857126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 1858126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 1859126258Smlaier int); 1860126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1861126258Smlaier int); 1862126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 1863130613Smlaierint pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int); 1864126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 1865126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 1866126258Smlaier int *, u_int32_t, int); 1867126258Smlaier 1868240233SglebiusMALLOC_DECLARE(PFI_MTYPE); 1869223637SbzVNET_DECLARE(struct pfi_kif *, pfi_all); 1870223637Sbz#define V_pfi_all VNET(pfi_all) 1871171168Smlaier 1872130613Smlaiervoid pfi_initialize(void); 1873130613Smlaiervoid pfi_cleanup(void); 1874240233Sglebiusvoid pfi_kif_ref(struct pfi_kif *); 1875240233Sglebiusvoid pfi_kif_unref(struct pfi_kif *); 1876240233Sglebiusstruct pfi_kif *pfi_kif_find(const char *); 1877240233Sglebiusstruct pfi_kif *pfi_kif_attach(struct pfi_kif *, const char *); 1878171168Smlaierint pfi_kif_match(struct pfi_kif *, struct pfi_kif *); 1879240233Sglebiusvoid pfi_kif_purge(void); 1880171168Smlaierint pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *, 1881171168Smlaier sa_family_t); 1882130613Smlaierint pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t); 1883240233Sglebiusvoid pfi_dynaddr_remove(struct pfi_dynaddr *); 1884130613Smlaiervoid pfi_dynaddr_copyout(struct pf_addr_wrap *); 1885223637Sbzvoid pfi_update_status(const char *, struct pf_status *); 1886240233Sglebiusvoid pfi_get_ifaces(const char *, struct pfi_kif *, int *); 1887145836Smlaierint pfi_set_flags(const char *, int); 1888145836Smlaierint pfi_clear_flags(const char *, int); 1889130613Smlaier 1890240233Sglebiusint pf_match_tag(struct mbuf *, struct pf_rule *, int *, int); 1891240233Sglebiusint pf_tag_packet(struct mbuf *, struct pf_pdesc *, int); 1892171168Smlaiervoid pf_qid2qname(u_int32_t, char *); 1893130613Smlaier 1894223637SbzVNET_DECLARE(struct pf_status, pf_status); 1895223637Sbz#define V_pf_status VNET(pf_status) 1896126261Smlaier 1897240233Sglebiusstruct pf_limit { 1898240233Sglebius uma_zone_t zone; 1899240233Sglebius u_int limit; 1900126258Smlaier}; 1901240233SglebiusVNET_DECLARE(struct pf_limit, pf_limits[PF_LIMIT_MAX]); 1902240233Sglebius#define V_pf_limits VNET(pf_limits) 1903126258Smlaier 1904126258Smlaier#endif /* _KERNEL */ 1905126258Smlaier 1906223637Sbz#ifdef _KERNEL 1907223637SbzVNET_DECLARE(struct pf_anchor_global, pf_anchors); 1908223637Sbz#define V_pf_anchors VNET(pf_anchors) 1909223637SbzVNET_DECLARE(struct pf_anchor, pf_main_anchor); 1910223637Sbz#define V_pf_main_anchor VNET(pf_main_anchor) 1911223637Sbz#define pf_main_ruleset V_pf_main_anchor.ruleset 1912223637Sbz#endif 1913171168Smlaier 1914171168Smlaier/* these ruleset functions can be linked into userland programs (pfctl) */ 1915171168Smlaierint pf_get_ruleset_number(u_int8_t); 1916171168Smlaiervoid pf_init_ruleset(struct pf_ruleset *); 1917171168Smlaierint pf_anchor_setup(struct pf_rule *, 1918171168Smlaier const struct pf_ruleset *, const char *); 1919171168Smlaierint pf_anchor_copyout(const struct pf_ruleset *, 1920171168Smlaier const struct pf_rule *, struct pfioc_rule *); 1921171168Smlaiervoid pf_anchor_remove(struct pf_rule *); 1922171168Smlaiervoid pf_remove_if_empty_ruleset(struct pf_ruleset *); 1923171168Smlaierstruct pf_ruleset *pf_find_ruleset(const char *); 1924171168Smlaierstruct pf_ruleset *pf_find_or_create_ruleset(const char *); 1925171168Smlaiervoid pf_rs_initialize(void); 1926171168Smlaier 1927126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 1928126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 1929126258Smlaier#ifdef _KERNEL 1930126258Smlaierstruct pf_osfp_enlist * 1931126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 1932126258Smlaier const struct tcphdr *); 1933126258Smlaier#endif /* _KERNEL */ 1934126258Smlaiervoid pf_osfp_flush(void); 1935126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 1936126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 1937126258Smlaier 1938223637Sbz#ifdef _KERNEL 1939223637Sbzvoid pf_print_host(struct pf_addr *, u_int16_t, u_int8_t); 1940223637Sbz 1941223637Sbzvoid pf_step_into_anchor(int *, struct pf_ruleset **, int, 1942223637Sbz struct pf_rule **, struct pf_rule **, int *); 1943223637Sbzint pf_step_out_of_anchor(int *, struct pf_ruleset **, 1944223637Sbz int, struct pf_rule **, struct pf_rule **, 1945223637Sbz int *); 1946223637Sbz 1947223637Sbzint pf_map_addr(u_int8_t, struct pf_rule *, 1948223637Sbz struct pf_addr *, struct pf_addr *, 1949223637Sbz struct pf_addr *, struct pf_src_node **); 1950223637Sbzstruct pf_rule *pf_get_translation(struct pf_pdesc *, struct mbuf *, 1951223637Sbz int, int, struct pfi_kif *, struct pf_src_node **, 1952223637Sbz struct pf_state_key **, struct pf_state_key **, 1953223637Sbz struct pf_addr *, struct pf_addr *, 1954223637Sbz u_int16_t, u_int16_t); 1955223637Sbz 1956240233Sglebiusstruct pf_state_key *pf_state_key_setup(struct pf_pdesc *, struct pf_addr *, 1957240233Sglebius struct pf_addr *, u_int16_t, u_int16_t); 1958240233Sglebiusstruct pf_state_key *pf_state_key_clone(struct pf_state_key *); 1959223637Sbz#endif /* _KERNEL */ 1960223637Sbz 1961126258Smlaier#endif /* _NET_PFVAR_H_ */ 1962