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/types.h> 38126258Smlaier#include <sys/queue.h> 39126258Smlaier#include <sys/tree.h> 40171168Smlaier#ifdef __FreeBSD__ 41171168Smlaier#include <sys/lock.h> 42171168Smlaier#include <sys/sx.h> 43171168Smlaier#else 44171168Smlaier#include <sys/rwlock.h> 45171168Smlaier#endif 46126258Smlaier 47126258Smlaier#include <net/radix.h> 48145836Smlaier#include <net/route.h> 49127145Smlaier#ifdef __FreeBSD__ 50130933Sbrooks#include <net/if_clone.h> 51171168Smlaier#include <net/pf_mtag.h> 52126261Smlaier#include <vm/uma.h> 53126261Smlaier#else 54126258Smlaier#include <netinet/ip_ipsp.h> 55126261Smlaier#endif 56126261Smlaier 57127145Smlaier#ifdef __FreeBSD__ 58126261Smlaier#include <netinet/in.h> 59126261Smlaier#endif 60126261Smlaier 61126258Smlaier#include <netinet/tcp_fsm.h> 62126258Smlaier 63126258Smlaierstruct ip; 64171168Smlaierstruct ip6_hdr; 65135920Smlaier#ifdef __FreeBSD__ 66135920Smlaierstruct inpcb; 67135920Smlaier#endif 68126258Smlaier 69126258Smlaier#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0) 70126258Smlaier#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1) 71126258Smlaier 72171168Smlaier#define PF_MD5_DIGEST_LENGTH 16 73171168Smlaier#ifdef MD5_DIGEST_LENGTH 74171168Smlaier#if PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH 75171168Smlaier#error 76171168Smlaier#endif 77171168Smlaier#endif 78171168Smlaier 79126258Smlaierenum { PF_INOUT, PF_IN, PF_OUT }; 80145836Smlaierenum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT, 81223637Sbz PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP, PF_DEFER }; 82126258Smlaierenum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT, 83126258Smlaier PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX }; 84126258Smlaierenum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT, 85126258Smlaier PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG }; 86126258Smlaierenum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY }; 87126258Smlaierenum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL, 88126258Smlaier PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER, 89126258Smlaier PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET }; 90171168Smlaierenum { PF_GET_NONE, PF_GET_CLR_CNTR }; 91223637Sbzenum { PF_SK_WIRE, PF_SK_STACK, PF_SK_BOTH }; 92171168Smlaier 93126258Smlaier/* 94126258Smlaier * Note about PFTM_*: real indices into pf_rule.timeout[] come before 95126258Smlaier * PFTM_MAX, special cases afterwards. See pf_state_expires(). 96126258Smlaier */ 97126258Smlaierenum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED, 98126258Smlaier PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED, 99126258Smlaier PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE, 100126258Smlaier PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY, 101126258Smlaier PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE, 102126258Smlaier PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL, 103130613Smlaier PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE, 104171168Smlaier PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNLINKED, 105171168Smlaier PFTM_UNTIL_PACKET }; 106145836Smlaier 107145836Smlaier/* PFTM default values */ 108145836Smlaier#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */ 109145836Smlaier#define PFTM_TCP_OPENING_VAL 30 /* No response yet */ 110145836Smlaier#define PFTM_TCP_ESTABLISHED_VAL 24*60*60/* Established */ 111145836Smlaier#define PFTM_TCP_CLOSING_VAL 15 * 60 /* Half closed */ 112145836Smlaier#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */ 113145836Smlaier#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */ 114145836Smlaier#define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */ 115145836Smlaier#define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */ 116145836Smlaier#define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */ 117145836Smlaier#define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */ 118145836Smlaier#define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */ 119145836Smlaier#define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */ 120145836Smlaier#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */ 121145836Smlaier#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */ 122145836Smlaier#define PFTM_FRAG_VAL 30 /* Fragment expire */ 123145836Smlaier#define PFTM_INTERVAL_VAL 10 /* Expire interval */ 124145836Smlaier#define PFTM_SRC_NODE_VAL 0 /* Source tracking */ 125145836Smlaier#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */ 126145836Smlaier 127126258Smlaierenum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO }; 128171168Smlaierenum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, 129171168Smlaier PF_LIMIT_TABLES, PF_LIMIT_TABLE_ENTRIES, PF_LIMIT_MAX }; 130126258Smlaier#define PF_POOL_IDMASK 0x0f 131126258Smlaierenum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM, 132126258Smlaier PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN }; 133126258Smlaierenum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL, 134223637Sbz PF_ADDR_TABLE, PF_ADDR_RTLABEL, PF_ADDR_URPFFAILED, 135223637Sbz PF_ADDR_RANGE }; 136126258Smlaier#define PF_POOL_TYPEMASK 0x0f 137130613Smlaier#define PF_POOL_STICKYADDR 0x20 138126258Smlaier#define PF_WSCALE_FLAG 0x80 139126258Smlaier#define PF_WSCALE_MASK 0x0f 140126258Smlaier 141171168Smlaier#define PF_LOG 0x01 142171168Smlaier#define PF_LOG_ALL 0x02 143171168Smlaier#define PF_LOG_SOCKET_LOOKUP 0x04 144171168Smlaier 145126258Smlaierstruct pf_addr { 146126258Smlaier union { 147126258Smlaier struct in_addr v4; 148126258Smlaier struct in6_addr v6; 149126258Smlaier u_int8_t addr8[16]; 150126258Smlaier u_int16_t addr16[8]; 151126258Smlaier u_int32_t addr32[4]; 152126258Smlaier } pfa; /* 128-bit address */ 153126258Smlaier#define v4 pfa.v4 154126258Smlaier#define v6 pfa.v6 155126258Smlaier#define addr8 pfa.addr8 156126258Smlaier#define addr16 pfa.addr16 157126258Smlaier#define addr32 pfa.addr32 158126258Smlaier}; 159126258Smlaier 160126258Smlaier#define PF_TABLE_NAME_SIZE 32 161126258Smlaier 162130613Smlaier#define PFI_AFLAG_NETWORK 0x01 163130613Smlaier#define PFI_AFLAG_BROADCAST 0x02 164130613Smlaier#define PFI_AFLAG_PEER 0x04 165130613Smlaier#define PFI_AFLAG_MODEMASK 0x07 166130613Smlaier#define PFI_AFLAG_NOALIAS 0x08 167130613Smlaier 168126258Smlaierstruct pf_addr_wrap { 169126258Smlaier union { 170126258Smlaier struct { 171126258Smlaier struct pf_addr addr; 172126258Smlaier struct pf_addr mask; 173126258Smlaier } a; 174126258Smlaier char ifname[IFNAMSIZ]; 175126258Smlaier char tblname[PF_TABLE_NAME_SIZE]; 176145836Smlaier#ifdef __FreeBSD__ 177145836Smlaier#define RTLABEL_LEN 32 178145836Smlaier#endif 179145836Smlaier char rtlabelname[RTLABEL_LEN]; 180145836Smlaier u_int32_t rtlabel; 181126258Smlaier } v; 182126258Smlaier union { 183130613Smlaier struct pfi_dynaddr *dyn; 184126258Smlaier struct pfr_ktable *tbl; 185130613Smlaier int dyncnt; 186126258Smlaier int tblcnt; 187126258Smlaier } p; 188126258Smlaier u_int8_t type; /* PF_ADDR_* */ 189130613Smlaier u_int8_t iflags; /* PFI_AFLAG_* */ 190126258Smlaier}; 191126258Smlaier 192127145Smlaier#ifdef _KERNEL 193127145Smlaier 194130613Smlaierstruct pfi_dynaddr { 195171168Smlaier TAILQ_ENTRY(pfi_dynaddr) entry; 196171168Smlaier struct pf_addr pfid_addr4; 197171168Smlaier struct pf_addr pfid_mask4; 198171168Smlaier struct pf_addr pfid_addr6; 199171168Smlaier struct pf_addr pfid_mask6; 200171168Smlaier struct pfr_ktable *pfid_kt; 201171168Smlaier struct pfi_kif *pfid_kif; 202171168Smlaier void *pfid_hook_cookie; 203171168Smlaier int pfid_net; /* mask or 128 */ 204171168Smlaier int pfid_acnt4; /* address count IPv4 */ 205171168Smlaier int pfid_acnt6; /* address count IPv6 */ 206171168Smlaier sa_family_t pfid_af; /* rule af */ 207171168Smlaier u_int8_t pfid_iflags; /* PFI_AFLAG_* */ 208126258Smlaier}; 209126258Smlaier 210126258Smlaier/* 211126258Smlaier * Address manipulation macros 212126258Smlaier */ 213126258Smlaier 214127145Smlaier#ifdef __FreeBSD__ 215223637Sbz#define splsoftnet() splnet() 216126261Smlaier 217126263Smlaier#define HTONL(x) (x) = htonl((__uint32_t)(x)) 218126263Smlaier#define HTONS(x) (x) = htons((__uint16_t)(x)) 219126263Smlaier#define NTOHL(x) (x) = ntohl((__uint32_t)(x)) 220126263Smlaier#define NTOHS(x) (x) = ntohs((__uint16_t)(x)) 221126263Smlaier 222223637Sbz#define PF_NAME "pf" 223126261Smlaier 224223637Sbz#define PR_NOWAIT M_NOWAIT 225226801Sglebius#define PR_WAITOK M_WAITOK 226223637Sbz#define PR_ZERO M_ZERO 227223637Sbz#define pool_get(p, f) uma_zalloc(*(p), (f)) 228223637Sbz#define pool_put(p, o) uma_zfree(*(p), (o)) 229126261Smlaier 230223637Sbz#define UMA_CREATE(var, type, desc) \ 231223637Sbz var = uma_zcreate(desc, sizeof(type), \ 232223637Sbz NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); \ 233223637Sbz if (var == NULL) \ 234223637Sbz break 235223637Sbz#define UMA_DESTROY(var) \ 236223637Sbz if (var) \ 237223637Sbz uma_zdestroy(var) 238126261Smlaier 239223637Sbz#ifdef __FreeBSD__ 240126261Smlaierextern struct mtx pf_task_mtx; 241126261Smlaier 242226801Sglebius#define PF_LOCK_ASSERT() mtx_assert(&pf_task_mtx, MA_OWNED) 243226801Sglebius#define PF_UNLOCK_ASSERT() mtx_assert(&pf_task_mtx, MA_NOTOWNED) 244230868Sglebius#define PF_LOCK() mtx_lock(&pf_task_mtx) 245230868Sglebius#define PF_UNLOCK() mtx_unlock(&pf_task_mtx) 246226801Sglebius#else 247226801Sglebius#define PF_LOCK_ASSERT() 248226801Sglebius#define PF_UNLOCK_ASSERT() 249226801Sglebius#define PF_LOCK() 250226801Sglebius#define PF_UNLOCK() 251226801Sglebius#endif /* __FreeBSD__ */ 252126261Smlaier 253223637Sbz#define PF_COPYIN(uaddr, kaddr, len, r) do { \ 254223637Sbz PF_UNLOCK(); \ 255223637Sbz r = copyin((uaddr), (kaddr), (len)); \ 256223637Sbz PF_LOCK(); \ 257126261Smlaier} while(0) 258126261Smlaier 259223637Sbz#define PF_COPYOUT(kaddr, uaddr, len, r) do { \ 260223637Sbz PF_UNLOCK(); \ 261223637Sbz r = copyout((kaddr), (uaddr), (len)); \ 262223637Sbz PF_LOCK(); \ 263126261Smlaier} while(0) 264126261Smlaier 265223637Sbz#define PF_MODVER 1 266223637Sbz#define PFLOG_MODVER 1 267223637Sbz#define PFSYNC_MODVER 1 268126261Smlaier 269223637Sbz#define PFLOG_MINVER 1 270223637Sbz#define PFLOG_PREFVER PFLOG_MODVER 271223637Sbz#define PFLOG_MAXVER 1 272223637Sbz#define PFSYNC_MINVER 1 273223637Sbz#define PFSYNC_PREFVER PFSYNC_MODVER 274223637Sbz#define PFSYNC_MAXVER 1 275223637Sbz#endif /* __FreeBSD__ */ 276126258Smlaier#ifdef INET 277126258Smlaier#ifndef INET6 278223637Sbz#define PF_INET_ONLY 279126258Smlaier#endif /* ! INET6 */ 280126258Smlaier#endif /* INET */ 281126258Smlaier 282126258Smlaier#ifdef INET6 283126258Smlaier#ifndef INET 284223637Sbz#define PF_INET6_ONLY 285126258Smlaier#endif /* ! INET */ 286126258Smlaier#endif /* INET6 */ 287126258Smlaier 288126258Smlaier#ifdef INET 289126258Smlaier#ifdef INET6 290223637Sbz#define PF_INET_INET6 291126258Smlaier#endif /* INET6 */ 292126258Smlaier#endif /* INET */ 293126258Smlaier 294126258Smlaier#else 295126258Smlaier 296223637Sbz#define PF_INET_INET6 297126258Smlaier 298126258Smlaier#endif /* _KERNEL */ 299126258Smlaier 300126258Smlaier/* Both IPv4 and IPv6 */ 301126258Smlaier#ifdef PF_INET_INET6 302126258Smlaier 303126258Smlaier#define PF_AEQ(a, b, c) \ 304126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 305126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 306126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 307126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 308126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 309126258Smlaier 310126258Smlaier#define PF_ANEQ(a, b, c) \ 311126258Smlaier ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 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 ((c == AF_INET && !(a)->addr32[0]) || \ 319126258Smlaier (!(a)->addr32[0] && !(a)->addr32[1] && \ 320126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 321126258Smlaier 322126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 323126258Smlaier pf_match_addr(n, a, m, b, f) 324126258Smlaier 325126258Smlaier#define PF_ACPY(a, b, f) \ 326126258Smlaier pf_addrcpy(a, b, f) 327126258Smlaier 328126258Smlaier#define PF_AINC(a, f) \ 329126258Smlaier pf_addr_inc(a, f) 330126258Smlaier 331126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 332126258Smlaier pf_poolmask(a, b, c, d, f) 333126258Smlaier 334126258Smlaier#else 335126258Smlaier 336126258Smlaier/* Just IPv6 */ 337126258Smlaier 338126258Smlaier#ifdef PF_INET6_ONLY 339126258Smlaier 340126258Smlaier#define PF_AEQ(a, b, c) \ 341126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 342126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 343126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 344126258Smlaier (a)->addr32[0] == (b)->addr32[0]) \ 345126258Smlaier 346126258Smlaier#define PF_ANEQ(a, b, c) \ 347126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 348126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 349126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 350126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 351126258Smlaier 352126258Smlaier#define PF_AZERO(a, c) \ 353126258Smlaier (!(a)->addr32[0] && \ 354126258Smlaier !(a)->addr32[1] && \ 355126258Smlaier !(a)->addr32[2] && \ 356126258Smlaier !(a)->addr32[3] ) \ 357126258Smlaier 358126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 359126258Smlaier pf_match_addr(n, a, m, b, f) 360126258Smlaier 361126258Smlaier#define PF_ACPY(a, b, f) \ 362126258Smlaier pf_addrcpy(a, b, f) 363126258Smlaier 364126258Smlaier#define PF_AINC(a, f) \ 365126258Smlaier pf_addr_inc(a, f) 366126258Smlaier 367126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 368126258Smlaier pf_poolmask(a, b, c, d, f) 369126258Smlaier 370126258Smlaier#else 371126258Smlaier 372126258Smlaier/* Just IPv4 */ 373126258Smlaier#ifdef PF_INET_ONLY 374126258Smlaier 375126258Smlaier#define PF_AEQ(a, b, c) \ 376126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 377126258Smlaier 378126258Smlaier#define PF_ANEQ(a, b, c) \ 379126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 380126258Smlaier 381126258Smlaier#define PF_AZERO(a, c) \ 382126258Smlaier (!(a)->addr32[0]) 383126258Smlaier 384126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 385126258Smlaier pf_match_addr(n, a, m, b, f) 386126258Smlaier 387126258Smlaier#define PF_ACPY(a, b, f) \ 388126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 389126258Smlaier 390126258Smlaier#define PF_AINC(a, f) \ 391126258Smlaier do { \ 392126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 393126258Smlaier } while (0) 394126258Smlaier 395126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 396126258Smlaier do { \ 397126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 398126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 399126258Smlaier } while (0) 400126258Smlaier 401126258Smlaier#endif /* PF_INET_ONLY */ 402126258Smlaier#endif /* PF_INET6_ONLY */ 403126258Smlaier#endif /* PF_INET_INET6 */ 404126258Smlaier 405232292Sbz/* 406232292Sbz * XXX callers not FIB-aware in our version of pf yet. 407232292Sbz * OpenBSD fixed it later it seems, 2010/05/07 13:33:16 claudio. 408232292Sbz */ 409232292Sbz#define PF_MISMATCHAW(aw, x, af, neg, ifp, rtid) \ 410171168Smlaier ( \ 411171168Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 412232292Sbz pf_routable((x), (af), NULL, (rtid))) || \ 413171168Smlaier (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \ 414232292Sbz pf_routable((x), (af), (ifp), (rtid))) || \ 415171168Smlaier ((aw)->type == PF_ADDR_RTLABEL && \ 416232292Sbz !pf_rtlabel_match((x), (af), (aw), (rtid))) || \ 417171168Smlaier ((aw)->type == PF_ADDR_TABLE && \ 418171168Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 419171168Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 420223637Sbz !pfi_match_addr((aw)->p.dyn, (x), (af))) || \ 421223637Sbz ((aw)->type == PF_ADDR_RANGE && \ 422223637Sbz !pf_match_addr_range(&(aw)->v.a.addr, \ 423223637Sbz &(aw)->v.a.mask, (x), (af))) || \ 424171168Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 425171168Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 426171168Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 427171168Smlaier &(aw)->v.a.mask, (x), (af))))) != \ 428171168Smlaier (neg) \ 429126258Smlaier ) 430126258Smlaier 431171168Smlaier 432126258Smlaierstruct pf_rule_uid { 433126258Smlaier uid_t uid[2]; 434126258Smlaier u_int8_t op; 435126258Smlaier}; 436126258Smlaier 437126258Smlaierstruct pf_rule_gid { 438126258Smlaier uid_t gid[2]; 439126258Smlaier u_int8_t op; 440126258Smlaier}; 441126258Smlaier 442126258Smlaierstruct pf_rule_addr { 443126258Smlaier struct pf_addr_wrap addr; 444126258Smlaier u_int16_t port[2]; 445145836Smlaier u_int8_t neg; 446126258Smlaier u_int8_t port_op; 447126258Smlaier}; 448126258Smlaier 449126258Smlaierstruct pf_pooladdr { 450126258Smlaier struct pf_addr_wrap addr; 451126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 452126258Smlaier char ifname[IFNAMSIZ]; 453130613Smlaier struct pfi_kif *kif; 454126258Smlaier}; 455126258Smlaier 456126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 457126258Smlaier 458126258Smlaierstruct pf_poolhashkey { 459126258Smlaier union { 460126258Smlaier u_int8_t key8[16]; 461126258Smlaier u_int16_t key16[8]; 462126258Smlaier u_int32_t key32[4]; 463126258Smlaier } pfk; /* 128-bit hash key */ 464126258Smlaier#define key8 pfk.key8 465126258Smlaier#define key16 pfk.key16 466126258Smlaier#define key32 pfk.key32 467126258Smlaier}; 468126258Smlaier 469126258Smlaierstruct pf_pool { 470126258Smlaier struct pf_palist list; 471126258Smlaier struct pf_pooladdr *cur; 472126258Smlaier struct pf_poolhashkey key; 473126258Smlaier struct pf_addr counter; 474126258Smlaier int tblidx; 475126258Smlaier u_int16_t proxy_port[2]; 476126258Smlaier u_int8_t port_op; 477126258Smlaier u_int8_t opts; 478126258Smlaier}; 479126258Smlaier 480126258Smlaier 481126258Smlaier/* A packed Operating System description for fingerprinting */ 482126258Smlaiertypedef u_int32_t pf_osfp_t; 483126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 484126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 485126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 486126258Smlaier 487126258Smlaierstruct pf_osfp_entry { 488126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 489126258Smlaier pf_osfp_t fp_os; 490126258Smlaier int fp_enflags; 491126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 492126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 493126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 494126258Smlaier#define PF_OSFP_LEN 32 495126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 496126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 497126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 498126258Smlaier}; 499126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 500126258Smlaier ((a)->fp_os == (b)->fp_os && \ 501126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 502126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 503126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 504126258Smlaier 505126258Smlaier/* handle pf_osfp_t packing */ 506126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 507126258Smlaier#define _FP_UNUSED_BITS 1 508126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 509126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 510126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 511126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 512126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 513126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 514126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 515126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 516126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 517126258Smlaier} while(0) 518126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 519126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 520126258Smlaier + _FP_SUBTYPE_BITS); \ 521126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 522126258Smlaier _FP_SUBTYPE_BITS; \ 523126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 524126258Smlaier} while(0) 525126258Smlaier 526126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 527126258Smlaiertypedef u_int64_t pf_tcpopts_t; 528126258Smlaierstruct pf_os_fingerprint { 529126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 530126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 531126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 532126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 533126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 534126258Smlaier u_int16_t fp_flags; 535126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 536126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 537126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 538126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 539126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 540126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 541126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 542126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 543126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 544126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 545126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 546126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 547126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 548126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 549171168Smlaier#define PF_OSFP_INET6 0x4000 /* IPv6 */ 550126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 551126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 552126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 553126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 554126258Smlaier/* TCP options packing */ 555126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 556126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 557126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 558126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 559126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 560126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 561126258Smlaier#define PF_OSFP_MAX_OPTS \ 562126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 563126258Smlaier / PF_OSFP_TCPOPT_BITS 564126258Smlaier 565126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 566126258Smlaier}; 567126258Smlaier 568126258Smlaierstruct pf_osfp_ioctl { 569126258Smlaier struct pf_osfp_entry fp_os; 570126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 571126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 572126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 573126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 574126258Smlaier u_int16_t fp_flags; 575126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 576126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 577126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 578126258Smlaier 579126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 580126258Smlaier}; 581126258Smlaier 582126258Smlaier 583126258Smlaierunion pf_rule_ptr { 584126258Smlaier struct pf_rule *ptr; 585126258Smlaier u_int32_t nr; 586126258Smlaier}; 587126258Smlaier 588145836Smlaier#define PF_ANCHOR_NAME_SIZE 64 589145836Smlaier 590126258Smlaierstruct pf_rule { 591126258Smlaier struct pf_rule_addr src; 592126258Smlaier struct pf_rule_addr dst; 593126258Smlaier#define PF_SKIP_IFP 0 594126258Smlaier#define PF_SKIP_DIR 1 595126258Smlaier#define PF_SKIP_AF 2 596126258Smlaier#define PF_SKIP_PROTO 3 597126258Smlaier#define PF_SKIP_SRC_ADDR 4 598126258Smlaier#define PF_SKIP_SRC_PORT 5 599126258Smlaier#define PF_SKIP_DST_ADDR 6 600126258Smlaier#define PF_SKIP_DST_PORT 7 601126258Smlaier#define PF_SKIP_COUNT 8 602126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 603126258Smlaier#define PF_RULE_LABEL_SIZE 64 604126258Smlaier char label[PF_RULE_LABEL_SIZE]; 605171168Smlaier#define PF_QNAME_SIZE 64 606126258Smlaier char ifname[IFNAMSIZ]; 607126258Smlaier char qname[PF_QNAME_SIZE]; 608126258Smlaier char pqname[PF_QNAME_SIZE]; 609171168Smlaier#define PF_TAG_NAME_SIZE 64 610126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 611126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 612126258Smlaier 613145836Smlaier char overload_tblname[PF_TABLE_NAME_SIZE]; 614145836Smlaier 615126258Smlaier TAILQ_ENTRY(pf_rule) entries; 616126258Smlaier struct pf_pool rpool; 617126258Smlaier 618126258Smlaier u_int64_t evaluations; 619171168Smlaier u_int64_t packets[2]; 620171168Smlaier u_int64_t bytes[2]; 621126258Smlaier 622130613Smlaier struct pfi_kif *kif; 623126258Smlaier struct pf_anchor *anchor; 624145836Smlaier struct pfr_ktable *overload_tbl; 625126258Smlaier 626126258Smlaier pf_osfp_t os_fingerprint; 627130613Smlaier 628171168Smlaier int rtableid; 629130613Smlaier u_int32_t timeout[PFTM_MAX]; 630223637Sbz u_int32_t states_cur; 631223637Sbz u_int32_t states_tot; 632126258Smlaier u_int32_t max_states; 633130613Smlaier u_int32_t src_nodes; 634130613Smlaier u_int32_t max_src_nodes; 635130613Smlaier u_int32_t max_src_states; 636223637Sbz u_int32_t spare1; /* netgraph */ 637145836Smlaier u_int32_t max_src_conn; 638145836Smlaier struct { 639145836Smlaier u_int32_t limit; 640145836Smlaier u_int32_t seconds; 641145836Smlaier } max_src_conn_rate; 642126258Smlaier u_int32_t qid; 643126258Smlaier u_int32_t pqid; 644126258Smlaier u_int32_t rt_listid; 645126258Smlaier u_int32_t nr; 646145836Smlaier u_int32_t prob; 647171168Smlaier uid_t cuid; 648171168Smlaier pid_t cpid; 649126258Smlaier 650126258Smlaier u_int16_t return_icmp; 651126258Smlaier u_int16_t return_icmp6; 652126258Smlaier u_int16_t max_mss; 653126258Smlaier u_int16_t tag; 654126258Smlaier u_int16_t match_tag; 655223637Sbz u_int16_t spare2; /* netgraph */ 656126258Smlaier 657126258Smlaier struct pf_rule_uid uid; 658126258Smlaier struct pf_rule_gid gid; 659126258Smlaier 660126258Smlaier u_int32_t rule_flag; 661126258Smlaier u_int8_t action; 662126258Smlaier u_int8_t direction; 663126258Smlaier u_int8_t log; 664171168Smlaier u_int8_t logif; 665126258Smlaier u_int8_t quick; 666126258Smlaier u_int8_t ifnot; 667126258Smlaier u_int8_t match_tag_not; 668126258Smlaier u_int8_t natpass; 669126258Smlaier 670126258Smlaier#define PF_STATE_NORMAL 0x1 671126258Smlaier#define PF_STATE_MODULATE 0x2 672126258Smlaier#define PF_STATE_SYNPROXY 0x3 673126258Smlaier u_int8_t keep_state; 674126258Smlaier sa_family_t af; 675126258Smlaier u_int8_t proto; 676126258Smlaier u_int8_t type; 677126258Smlaier u_int8_t code; 678126258Smlaier u_int8_t flags; 679126258Smlaier u_int8_t flagset; 680126258Smlaier u_int8_t min_ttl; 681126258Smlaier u_int8_t allow_opts; 682126258Smlaier u_int8_t rt; 683126258Smlaier u_int8_t return_ttl; 684126258Smlaier u_int8_t tos; 685223637Sbz u_int8_t set_tos; 686145836Smlaier u_int8_t anchor_relative; 687145836Smlaier u_int8_t anchor_wildcard; 688145836Smlaier 689145836Smlaier#define PF_FLUSH 0x01 690145836Smlaier#define PF_FLUSH_GLOBAL 0x02 691145836Smlaier u_int8_t flush; 692223637Sbz 693223637Sbz struct { 694223637Sbz struct pf_addr addr; 695223637Sbz u_int16_t port; 696223637Sbz } divert; 697126258Smlaier}; 698126258Smlaier 699126258Smlaier/* rule flags */ 700126258Smlaier#define PFRULE_DROP 0x0000 701126258Smlaier#define PFRULE_RETURNRST 0x0001 702126258Smlaier#define PFRULE_FRAGMENT 0x0002 703126258Smlaier#define PFRULE_RETURNICMP 0x0004 704126258Smlaier#define PFRULE_RETURN 0x0008 705130613Smlaier#define PFRULE_NOSYNC 0x0010 706130613Smlaier#define PFRULE_SRCTRACK 0x0020 /* track source states */ 707130613Smlaier#define PFRULE_RULESRCTRACK 0x0040 /* per rule */ 708126258Smlaier 709126258Smlaier/* scrub flags */ 710126258Smlaier#define PFRULE_NODF 0x0100 711126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 712126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 713126258Smlaier#define PFRULE_RANDOMID 0x0800 714126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 715223637Sbz#define PFRULE_SET_TOS 0x2000 716126258Smlaier 717130613Smlaier/* rule flags again */ 718130613Smlaier#define PFRULE_IFBOUND 0x00010000 /* if-bound */ 719200930Sdelphij#define PFRULE_STATESLOPPY 0x00020000 /* sloppy state tracking */ 720223637Sbz#define PFRULE_PFLOW 0x00040000 721130613Smlaier 722126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 723171168Smlaier#define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */ 724171168Smlaier#define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */ 725126258Smlaier 726145836Smlaier 727145836Smlaierstruct pf_threshold { 728145836Smlaier u_int32_t limit; 729145836Smlaier#define PF_THRESHOLD_MULT 1000 730145836Smlaier#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT 731145836Smlaier u_int32_t seconds; 732145836Smlaier u_int32_t count; 733145836Smlaier u_int32_t last; 734145836Smlaier}; 735145836Smlaier 736130613Smlaierstruct pf_src_node { 737130613Smlaier RB_ENTRY(pf_src_node) entry; 738130613Smlaier struct pf_addr addr; 739130613Smlaier struct pf_addr raddr; 740130613Smlaier union pf_rule_ptr rule; 741130613Smlaier struct pfi_kif *kif; 742171168Smlaier u_int64_t bytes[2]; 743171168Smlaier u_int64_t packets[2]; 744130613Smlaier u_int32_t states; 745145836Smlaier u_int32_t conn; 746145836Smlaier struct pf_threshold conn_rate; 747130613Smlaier u_int32_t creation; 748130613Smlaier u_int32_t expire; 749130613Smlaier sa_family_t af; 750130613Smlaier u_int8_t ruletype; 751130613Smlaier}; 752126258Smlaier 753130613Smlaier#define PFSNODE_HIWAT 10000 /* default source node table size */ 754130613Smlaier 755126258Smlaierstruct pf_state_scrub { 756145836Smlaier struct timeval pfss_last; /* time received last packet */ 757145836Smlaier u_int32_t pfss_tsecr; /* last echoed timestamp */ 758145836Smlaier u_int32_t pfss_tsval; /* largest timestamp */ 759145836Smlaier u_int32_t pfss_tsval0; /* original timestamp */ 760126258Smlaier u_int16_t pfss_flags; 761145836Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 762145836Smlaier#define PFSS_PAWS 0x0010 /* stricter PAWS checks */ 763145836Smlaier#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */ 764145836Smlaier#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */ 765145836Smlaier#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */ 766145836Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 767126258Smlaier u_int8_t pad; 768145836Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 769126258Smlaier}; 770126258Smlaier 771126258Smlaierstruct pf_state_host { 772126258Smlaier struct pf_addr addr; 773126258Smlaier u_int16_t port; 774126258Smlaier u_int16_t pad; 775126258Smlaier}; 776126258Smlaier 777126258Smlaierstruct pf_state_peer { 778223637Sbz struct pf_state_scrub *scrub; /* state is scrubbed */ 779126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 780126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 781126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 782126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 783223637Sbz u_int16_t mss; /* Maximum segment size option */ 784126258Smlaier u_int8_t state; /* active state level */ 785126258Smlaier u_int8_t wscale; /* window scaling factor */ 786171168Smlaier u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */ 787223637Sbz u_int8_t pad[1]; 788126258Smlaier}; 789126258Smlaier 790130613SmlaierTAILQ_HEAD(pf_state_queue, pf_state); 791130613Smlaier 792223637Sbz/* keep synced with struct pf_state_key, used in RB_FIND */ 793223637Sbzstruct pf_state_key_cmp { 794223637Sbz struct pf_addr addr[2]; 795223637Sbz u_int16_t port[2]; 796171168Smlaier sa_family_t af; 797171168Smlaier u_int8_t proto; 798223637Sbz u_int8_t pad[2]; 799171168Smlaier}; 800171168Smlaier 801223637Sbzstruct pf_state_item { 802223637Sbz TAILQ_ENTRY(pf_state_item) entry; 803223637Sbz struct pf_state *s; 804223637Sbz}; 805223637Sbz 806223637SbzTAILQ_HEAD(pf_statelisthead, pf_state_item); 807223637Sbz 808223637Sbzstruct pf_state_key { 809223637Sbz struct pf_addr addr[2]; 810223637Sbz u_int16_t port[2]; 811223637Sbz sa_family_t af; 812223637Sbz u_int8_t proto; 813223637Sbz u_int8_t pad[2]; 814223637Sbz 815223637Sbz RB_ENTRY(pf_state_key) entry; 816223637Sbz struct pf_statelisthead states; 817223637Sbz struct pf_state_key *reverse; 818223637Sbz struct inpcb *inp; 819223637Sbz}; 820223637Sbz 821223637Sbz/* keep synced with struct pf_state, used in RB_FIND */ 822223637Sbzstruct pf_state_cmp { 823223637Sbz u_int64_t id; 824223637Sbz u_int32_t creatorid; 825223637Sbz u_int8_t direction; 826223637Sbz u_int8_t pad[3]; 827223637Sbz}; 828223637Sbz 829126258Smlaierstruct pf_state { 830223637Sbz u_int64_t id; 831223637Sbz u_int32_t creatorid; 832223637Sbz u_int8_t direction; 833223637Sbz#ifdef __FreeBSD__ 834223637Sbz u_int8_t pad[2]; 835223637Sbz u_int8_t local_flags; 836223637Sbz#define PFSTATE_EXPIRING 0x01 837223637Sbz#else 838223637Sbz u_int8_t pad[3]; 839223637Sbz#endif 840223637Sbz 841223637Sbz TAILQ_ENTRY(pf_state) sync_list; 842223637Sbz TAILQ_ENTRY(pf_state) entry_list; 843223637Sbz RB_ENTRY(pf_state) entry_id; 844223637Sbz struct pf_state_peer src; 845223637Sbz struct pf_state_peer dst; 846223637Sbz union pf_rule_ptr rule; 847223637Sbz union pf_rule_ptr anchor; 848223637Sbz union pf_rule_ptr nat_rule; 849223637Sbz struct pf_addr rt_addr; 850223637Sbz struct pf_state_key *key[2]; /* addresses stack and wire */ 851223637Sbz struct pfi_kif *kif; 852223637Sbz struct pfi_kif *rt_kif; 853223637Sbz struct pf_src_node *src_node; 854223637Sbz struct pf_src_node *nat_src_node; 855223637Sbz u_int64_t packets[2]; 856223637Sbz u_int64_t bytes[2]; 857223637Sbz u_int32_t creation; 858223637Sbz u_int32_t expire; 859223637Sbz u_int32_t pfsync_time; 860223637Sbz u_int16_t tag; 861223637Sbz u_int8_t log; 862223637Sbz u_int8_t state_flags; 863223637Sbz#define PFSTATE_ALLOWOPTS 0x01 864223637Sbz#define PFSTATE_SLOPPY 0x02 865223637Sbz#define PFSTATE_PFLOW 0x04 866223637Sbz#define PFSTATE_NOSYNC 0x08 867223637Sbz#define PFSTATE_ACK 0x10 868223637Sbz u_int8_t timeout; 869223637Sbz u_int8_t sync_state; /* PFSYNC_S_x */ 870223637Sbz 871223637Sbz /* XXX */ 872223637Sbz u_int8_t sync_updates; 873223637Sbz u_int8_t _tail[3]; 874223637Sbz}; 875223637Sbz 876223637Sbz/* 877223637Sbz * Unified state structures for pulling states out of the kernel 878223637Sbz * used by pfsync(4) and the pf(4) ioctl. 879223637Sbz */ 880223637Sbzstruct pfsync_state_scrub { 881223637Sbz u_int16_t pfss_flags; 882223637Sbz u_int8_t pfss_ttl; /* stashed TTL */ 883223637Sbz#define PFSYNC_SCRUB_FLAG_VALID 0x01 884223637Sbz u_int8_t scrub_flag; 885223637Sbz u_int32_t pfss_ts_mod; /* timestamp modulation */ 886223637Sbz} __packed; 887223637Sbz 888223637Sbzstruct pfsync_state_peer { 889223637Sbz struct pfsync_state_scrub scrub; /* state is scrubbed */ 890223637Sbz u_int32_t seqlo; /* Max sequence number sent */ 891223637Sbz u_int32_t seqhi; /* Max the other end ACKd + win */ 892223637Sbz u_int32_t seqdiff; /* Sequence number modulator */ 893223637Sbz u_int16_t max_win; /* largest window (pre scaling) */ 894223637Sbz u_int16_t mss; /* Maximum segment size option */ 895223637Sbz u_int8_t state; /* active state level */ 896223637Sbz u_int8_t wscale; /* window scaling factor */ 897223637Sbz u_int8_t pad[6]; 898223637Sbz} __packed; 899223637Sbz 900223637Sbzstruct pfsync_state_key { 901223637Sbz struct pf_addr addr[2]; 902223637Sbz u_int16_t port[2]; 903223637Sbz}; 904223637Sbz 905223637Sbzstruct pfsync_state { 906223637Sbz u_int32_t id[2]; 907223637Sbz char ifname[IFNAMSIZ]; 908223637Sbz struct pfsync_state_key key[2]; 909223637Sbz struct pfsync_state_peer src; 910223637Sbz struct pfsync_state_peer dst; 911223637Sbz struct pf_addr rt_addr; 912223637Sbz u_int32_t rule; 913223637Sbz u_int32_t anchor; 914223637Sbz u_int32_t nat_rule; 915223637Sbz u_int32_t creation; 916223637Sbz u_int32_t expire; 917223637Sbz u_int32_t packets[2][2]; 918223637Sbz u_int32_t bytes[2][2]; 919171168Smlaier u_int32_t creatorid; 920171168Smlaier sa_family_t af; 921171168Smlaier u_int8_t proto; 922171168Smlaier u_int8_t direction; 923171168Smlaier#ifdef __FreeBSD__ 924171168Smlaier u_int8_t local_flags; 925223637Sbz#define PFSTATE_EXPIRING 0x01 926171168Smlaier u_int8_t pad; 927171168Smlaier#endif 928171168Smlaier u_int8_t log; 929200930Sdelphij u_int8_t state_flags; 930171168Smlaier u_int8_t timeout; 931171168Smlaier u_int8_t sync_flags; 932223637Sbz u_int8_t updates; 933223637Sbz} __packed; 934126258Smlaier 935223637Sbz#ifdef __FreeBSD__ 936223637Sbz#ifdef _KERNEL 937223637Sbz/* pfsync */ 938223637Sbztypedef int pfsync_state_import_t(struct pfsync_state *, u_int8_t); 939223637Sbztypedef void pfsync_insert_state_t(struct pf_state *); 940223637Sbztypedef void pfsync_update_state_t(struct pf_state *); 941223637Sbztypedef void pfsync_delete_state_t(struct pf_state *); 942223637Sbztypedef void pfsync_clear_states_t(u_int32_t, const char *); 943223637Sbztypedef int pfsync_state_in_use_t(struct pf_state *); 944223637Sbztypedef int pfsync_defer_t(struct pf_state *, struct mbuf *); 945223637Sbztypedef int pfsync_up_t(void); 946223637Sbz 947223637Sbzextern pfsync_state_import_t *pfsync_state_import_ptr; 948223637Sbzextern pfsync_insert_state_t *pfsync_insert_state_ptr; 949223637Sbzextern pfsync_update_state_t *pfsync_update_state_ptr; 950223637Sbzextern pfsync_delete_state_t *pfsync_delete_state_ptr; 951223637Sbzextern pfsync_clear_states_t *pfsync_clear_states_ptr; 952223637Sbzextern pfsync_state_in_use_t *pfsync_state_in_use_ptr; 953223637Sbzextern pfsync_defer_t *pfsync_defer_ptr; 954223637Sbzextern pfsync_up_t *pfsync_up_ptr; 955223637Sbz 956223637Sbzvoid pfsync_state_export(struct pfsync_state *, 957223637Sbz struct pf_state *); 958223637Sbz 959223637Sbz/* pflow */ 960223637Sbztypedef int export_pflow_t(struct pf_state *); 961223637Sbz 962223637Sbzextern export_pflow_t *export_pflow_ptr; 963223637Sbz 964223637Sbz/* pflog */ 965223637Sbzstruct pf_ruleset; 966223637Sbzstruct pf_pdesc; 967223637Sbztypedef int pflog_packet_t(struct pfi_kif *, struct mbuf *, sa_family_t, 968223637Sbz u_int8_t, u_int8_t, struct pf_rule *, struct pf_rule *, 969223637Sbz struct pf_ruleset *, struct pf_pdesc *); 970223637Sbz 971223637Sbzextern pflog_packet_t *pflog_packet_ptr; 972223637Sbz 973223637Sbz/* pf uid hack */ 974223637SbzVNET_DECLARE(int, debug_pfugidhack); 975223637Sbz#define V_debug_pfugidhack VNET(debug_pfugidhack) 976223637Sbz 977223637Sbz#define V_pf_end_threads VNET(pf_end_threads) 978223637Sbz#endif 979223637Sbz 980223637Sbz/* Macros to set/clear/test flags. */ 981223637Sbz#ifdef _KERNEL 982223637Sbz#define SET(t, f) ((t) |= (f)) 983223637Sbz#define CLR(t, f) ((t) &= ~(f)) 984223637Sbz#define ISSET(t, f) ((t) & (f)) 985223637Sbz#endif 986223637Sbz#endif 987223637Sbz 988223637Sbz#define PFSYNC_FLAG_SRCNODE 0x04 989223637Sbz#define PFSYNC_FLAG_NATSRCNODE 0x08 990223637Sbz 991223637Sbz/* for copies to/from network byte order */ 992223637Sbz/* ioctl interface also uses network byte order */ 993223637Sbz#define pf_state_peer_hton(s,d) do { \ 994223637Sbz (d)->seqlo = htonl((s)->seqlo); \ 995223637Sbz (d)->seqhi = htonl((s)->seqhi); \ 996223637Sbz (d)->seqdiff = htonl((s)->seqdiff); \ 997223637Sbz (d)->max_win = htons((s)->max_win); \ 998223637Sbz (d)->mss = htons((s)->mss); \ 999223637Sbz (d)->state = (s)->state; \ 1000223637Sbz (d)->wscale = (s)->wscale; \ 1001223637Sbz if ((s)->scrub) { \ 1002223637Sbz (d)->scrub.pfss_flags = \ 1003223637Sbz htons((s)->scrub->pfss_flags & PFSS_TIMESTAMP); \ 1004223637Sbz (d)->scrub.pfss_ttl = (s)->scrub->pfss_ttl; \ 1005223637Sbz (d)->scrub.pfss_ts_mod = htonl((s)->scrub->pfss_ts_mod);\ 1006223637Sbz (d)->scrub.scrub_flag = PFSYNC_SCRUB_FLAG_VALID; \ 1007223637Sbz } \ 1008223637Sbz} while (0) 1009223637Sbz 1010223637Sbz#define pf_state_peer_ntoh(s,d) do { \ 1011223637Sbz (d)->seqlo = ntohl((s)->seqlo); \ 1012223637Sbz (d)->seqhi = ntohl((s)->seqhi); \ 1013223637Sbz (d)->seqdiff = ntohl((s)->seqdiff); \ 1014223637Sbz (d)->max_win = ntohs((s)->max_win); \ 1015223637Sbz (d)->mss = ntohs((s)->mss); \ 1016223637Sbz (d)->state = (s)->state; \ 1017223637Sbz (d)->wscale = (s)->wscale; \ 1018223637Sbz if ((s)->scrub.scrub_flag == PFSYNC_SCRUB_FLAG_VALID && \ 1019223637Sbz (d)->scrub != NULL) { \ 1020223637Sbz (d)->scrub->pfss_flags = \ 1021223637Sbz ntohs((s)->scrub.pfss_flags) & PFSS_TIMESTAMP; \ 1022223637Sbz (d)->scrub->pfss_ttl = (s)->scrub.pfss_ttl; \ 1023223637Sbz (d)->scrub->pfss_ts_mod = ntohl((s)->scrub.pfss_ts_mod);\ 1024223637Sbz } \ 1025223637Sbz} while (0) 1026223637Sbz 1027223637Sbz#define pf_state_counter_hton(s,d) do { \ 1028223637Sbz d[0] = htonl((s>>32)&0xffffffff); \ 1029223637Sbz d[1] = htonl(s&0xffffffff); \ 1030223637Sbz} while (0) 1031223637Sbz 1032223637Sbz#define pf_state_counter_from_pfsync(s) \ 1033223637Sbz (((u_int64_t)(s[0])<<32) | (u_int64_t)(s[1])) 1034223637Sbz 1035223637Sbz#define pf_state_counter_ntoh(s,d) do { \ 1036223637Sbz d = ntohl(s[0]); \ 1037223637Sbz d = d<<32; \ 1038223637Sbz d += ntohl(s[1]); \ 1039223637Sbz} while (0) 1040223637Sbz 1041126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 1042126258Smlaier 1043126258Smlaierstruct pf_anchor; 1044126258Smlaier 1045126258Smlaierstruct pf_ruleset { 1046126258Smlaier struct { 1047126258Smlaier struct pf_rulequeue queues[2]; 1048126258Smlaier struct { 1049126258Smlaier struct pf_rulequeue *ptr; 1050171168Smlaier struct pf_rule **ptr_array; 1051171168Smlaier u_int32_t rcount; 1052126258Smlaier u_int32_t ticket; 1053130613Smlaier int open; 1054126258Smlaier } active, inactive; 1055126258Smlaier } rules[PF_RULESET_MAX]; 1056126258Smlaier struct pf_anchor *anchor; 1057126258Smlaier u_int32_t tticket; 1058126258Smlaier int tables; 1059126258Smlaier int topen; 1060126258Smlaier}; 1061126258Smlaier 1062145836SmlaierRB_HEAD(pf_anchor_global, pf_anchor); 1063145836SmlaierRB_HEAD(pf_anchor_node, pf_anchor); 1064126258Smlaierstruct pf_anchor { 1065145836Smlaier RB_ENTRY(pf_anchor) entry_global; 1066145836Smlaier RB_ENTRY(pf_anchor) entry_node; 1067145836Smlaier struct pf_anchor *parent; 1068145836Smlaier struct pf_anchor_node children; 1069126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1070145836Smlaier char path[MAXPATHLEN]; 1071145836Smlaier struct pf_ruleset ruleset; 1072145836Smlaier int refcnt; /* anchor rules */ 1073171168Smlaier int match; 1074126258Smlaier}; 1075145836SmlaierRB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare); 1076145836SmlaierRB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare); 1077126258Smlaier 1078130613Smlaier#define PF_RESERVED_ANCHOR "_pf" 1079130613Smlaier 1080126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 1081126258Smlaier#define PFR_TFLAG_CONST 0x00000002 1082126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 1083126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 1084126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 1085126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 1086223637Sbz#define PFR_TFLAG_COUNTERS 0x00000040 1087223637Sbz/* Adjust masks below when adding flags. */ 1088223637Sbz#define PFR_TFLAG_USRMASK 0x00000043 1089126258Smlaier#define PFR_TFLAG_SETMASK 0x0000003C 1090223637Sbz#define PFR_TFLAG_ALLMASK 0x0000007F 1091126258Smlaier 1092126258Smlaierstruct pfr_table { 1093145836Smlaier char pfrt_anchor[MAXPATHLEN]; 1094126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 1095126258Smlaier u_int32_t pfrt_flags; 1096126258Smlaier u_int8_t pfrt_fback; 1097126258Smlaier}; 1098126258Smlaier 1099126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 1100126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 1101223637Sbz PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_NOCOUNT, PFR_FB_MAX }; 1102126258Smlaier 1103126258Smlaierstruct pfr_addr { 1104126258Smlaier union { 1105126258Smlaier struct in_addr _pfra_ip4addr; 1106126258Smlaier struct in6_addr _pfra_ip6addr; 1107126258Smlaier } pfra_u; 1108126258Smlaier u_int8_t pfra_af; 1109126258Smlaier u_int8_t pfra_net; 1110126258Smlaier u_int8_t pfra_not; 1111126258Smlaier u_int8_t pfra_fback; 1112126258Smlaier}; 1113126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 1114126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 1115126258Smlaier 1116126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 1117126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 1118126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 1119126258Smlaier 1120126258Smlaierstruct pfr_astats { 1121126258Smlaier struct pfr_addr pfras_a; 1122126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1123126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1124126258Smlaier long pfras_tzero; 1125126258Smlaier}; 1126126258Smlaier 1127126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 1128126258Smlaier 1129126258Smlaierstruct pfr_tstats { 1130126258Smlaier struct pfr_table pfrts_t; 1131126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 1132126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 1133126258Smlaier u_int64_t pfrts_match; 1134126258Smlaier u_int64_t pfrts_nomatch; 1135126258Smlaier long pfrts_tzero; 1136126258Smlaier int pfrts_cnt; 1137126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 1138126258Smlaier}; 1139126258Smlaier#define pfrts_name pfrts_t.pfrt_name 1140126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 1141126258Smlaier 1142135615Smlaier#ifndef _SOCKADDR_UNION_DEFINED 1143135615Smlaier#define _SOCKADDR_UNION_DEFINED 1144135615Smlaierunion sockaddr_union { 1145135615Smlaier struct sockaddr sa; 1146135615Smlaier struct sockaddr_in sin; 1147135615Smlaier struct sockaddr_in6 sin6; 1148135615Smlaier}; 1149135615Smlaier#endif /* _SOCKADDR_UNION_DEFINED */ 1150135615Smlaier 1151223637Sbzstruct pfr_kcounters { 1152223637Sbz u_int64_t pfrkc_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1153223637Sbz u_int64_t pfrkc_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1154223637Sbz}; 1155223637Sbz 1156126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 1157126258Smlaierstruct pfr_kentry { 1158126258Smlaier struct radix_node pfrke_node[2]; 1159126258Smlaier union sockaddr_union pfrke_sa; 1160126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 1161223637Sbz union { 1162223637Sbz 1163223637Sbz struct pfr_kcounters *pfrke_counters; 1164223637Sbz#if 0 1165223637Sbz struct pfr_kroute *pfrke_route; 1166223637Sbz#endif 1167223637Sbz } u; 1168126258Smlaier long pfrke_tzero; 1169126258Smlaier u_int8_t pfrke_af; 1170126258Smlaier u_int8_t pfrke_net; 1171126258Smlaier u_int8_t pfrke_not; 1172126258Smlaier u_int8_t pfrke_mark; 1173126258Smlaier}; 1174223637Sbz#define pfrke_counters u.pfrke_counters 1175223637Sbz#define pfrke_route u.pfrke_route 1176126258Smlaier 1177223637Sbz 1178126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 1179126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 1180126258Smlaierstruct pfr_ktable { 1181126258Smlaier struct pfr_tstats pfrkt_ts; 1182126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 1183126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 1184126258Smlaier struct radix_node_head *pfrkt_ip4; 1185126258Smlaier struct radix_node_head *pfrkt_ip6; 1186126258Smlaier struct pfr_ktable *pfrkt_shadow; 1187126258Smlaier struct pfr_ktable *pfrkt_root; 1188126258Smlaier struct pf_ruleset *pfrkt_rs; 1189130613Smlaier long pfrkt_larg; 1190126258Smlaier int pfrkt_nflags; 1191126258Smlaier}; 1192126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 1193126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 1194130613Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 1195130613Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 1196126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 1197126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 1198126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 1199126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 1200126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 1201126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 1202126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 1203126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 1204126258Smlaier 1205223637SbzRB_HEAD(pf_state_tree, pf_state_key); 1206223637SbzRB_PROTOTYPE(pf_state_tree, pf_state_key, entry, pf_state_compare_key); 1207130613Smlaier 1208223637SbzRB_HEAD(pf_state_tree_ext_gwy, pf_state_key); 1209223637SbzRB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state_key, 1210223637Sbz entry_ext_gwy, pf_state_compare_ext_gwy); 1211130613Smlaier 1212171168SmlaierRB_HEAD(pfi_ifhead, pfi_kif); 1213171168Smlaier 1214223637Sbz/* state tables */ 1215223637Sbz#ifdef __FreeBSD__ 1216223637Sbz#ifdef _KERNEL 1217223637SbzVNET_DECLARE(struct pf_state_tree, pf_statetbl); 1218223637Sbz#define V_pf_statetbl VNET(pf_statetbl) 1219223637Sbz#endif 1220223637Sbz#else 1221223637Sbzextern struct pf_state_tree pf_statetbl; 1222223637Sbz#endif 1223223637Sbz 1224171168Smlaier/* keep synced with pfi_kif, used in RB_FIND */ 1225171168Smlaierstruct pfi_kif_cmp { 1226171168Smlaier char pfik_name[IFNAMSIZ]; 1227130613Smlaier}; 1228130613Smlaier 1229130613Smlaierstruct pfi_kif { 1230171168Smlaier char pfik_name[IFNAMSIZ]; 1231130613Smlaier RB_ENTRY(pfi_kif) pfik_tree; 1232171168Smlaier u_int64_t pfik_packets[2][2][2]; 1233171168Smlaier u_int64_t pfik_bytes[2][2][2]; 1234171168Smlaier u_int32_t pfik_tzero; 1235171168Smlaier int pfik_flags; 1236130613Smlaier void *pfik_ah_cookie; 1237130613Smlaier struct ifnet *pfik_ifp; 1238171168Smlaier struct ifg_group *pfik_group; 1239130613Smlaier int pfik_states; 1240130613Smlaier int pfik_rules; 1241171168Smlaier TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs; 1242130613Smlaier}; 1243130613Smlaier 1244171168Smlaierenum pfi_kif_refs { 1245171168Smlaier PFI_KIF_REF_NONE, 1246171168Smlaier PFI_KIF_REF_STATE, 1247171168Smlaier PFI_KIF_REF_RULE 1248171168Smlaier}; 1249171168Smlaier 1250145836Smlaier#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */ 1251130613Smlaier 1252126258Smlaierstruct pf_pdesc { 1253171168Smlaier struct { 1254171168Smlaier int done; 1255171168Smlaier uid_t uid; 1256171168Smlaier gid_t gid; 1257171168Smlaier pid_t pid; 1258171168Smlaier } lookup; 1259126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 1260126258Smlaier union { 1261126258Smlaier struct tcphdr *tcp; 1262126258Smlaier struct udphdr *udp; 1263126258Smlaier struct icmp *icmp; 1264126258Smlaier#ifdef INET6 1265126258Smlaier struct icmp6_hdr *icmp6; 1266126258Smlaier#endif /* INET6 */ 1267126258Smlaier void *any; 1268126258Smlaier } hdr; 1269223637Sbz 1270130613Smlaier struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */ 1271145836Smlaier struct ether_header 1272145836Smlaier *eh; 1273223637Sbz struct pf_addr *src; /* src address */ 1274223637Sbz struct pf_addr *dst; /* dst address */ 1275223637Sbz u_int16_t *sport; 1276223637Sbz u_int16_t *dport; 1277223637Sbz#ifdef __FreeBSD__ 1278171168Smlaier struct pf_mtag *pf_mtag; 1279223637Sbz#endif 1280223637Sbz 1281223637Sbz u_int32_t p_len; /* total length of payload */ 1282223637Sbz 1283126258Smlaier u_int16_t *ip_sum; 1284223637Sbz u_int16_t *proto_sum; 1285126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 1286126258Smlaier * state code. Easier than tags */ 1287126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 1288145836Smlaier#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */ 1289126258Smlaier sa_family_t af; 1290126258Smlaier u_int8_t proto; 1291126258Smlaier u_int8_t tos; 1292223637Sbz u_int8_t dir; /* direction */ 1293223637Sbz u_int8_t sidx; /* key index for source */ 1294223637Sbz u_int8_t didx; /* key index for destination */ 1295126258Smlaier}; 1296126258Smlaier 1297126258Smlaier/* flags for RDR options */ 1298126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 1299126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 1300126258Smlaier 1301126258Smlaier/* Reasons code for passing/dropping a packet */ 1302126258Smlaier#define PFRES_MATCH 0 /* Explicit match of a rule */ 1303126258Smlaier#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 1304126258Smlaier#define PFRES_FRAG 2 /* Dropping following fragment */ 1305126258Smlaier#define PFRES_SHORT 3 /* Dropping short packet */ 1306126258Smlaier#define PFRES_NORM 4 /* Dropping by normalizer */ 1307126258Smlaier#define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 1308145836Smlaier#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */ 1309145836Smlaier#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */ 1310145836Smlaier#define PFRES_IPOPTIONS 8 /* IP option */ 1311145836Smlaier#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */ 1312145836Smlaier#define PFRES_BADSTATE 10 /* State mismatch */ 1313145836Smlaier#define PFRES_STATEINS 11 /* State insertion failure */ 1314145836Smlaier#define PFRES_MAXSTATES 12 /* State limit */ 1315145836Smlaier#define PFRES_SRCLIMIT 13 /* Source node/conn limit */ 1316145836Smlaier#define PFRES_SYNPROXY 14 /* SYN proxy */ 1317145836Smlaier#define PFRES_MAX 15 /* total+1 */ 1318126258Smlaier 1319126258Smlaier#define PFRES_NAMES { \ 1320126258Smlaier "match", \ 1321126258Smlaier "bad-offset", \ 1322126258Smlaier "fragment", \ 1323126258Smlaier "short", \ 1324126258Smlaier "normalize", \ 1325126258Smlaier "memory", \ 1326145836Smlaier "bad-timestamp", \ 1327145836Smlaier "congestion", \ 1328145836Smlaier "ip-option", \ 1329145836Smlaier "proto-cksum", \ 1330145836Smlaier "state-mismatch", \ 1331145836Smlaier "state-insert", \ 1332145836Smlaier "state-limit", \ 1333145836Smlaier "src-limit", \ 1334145836Smlaier "synproxy", \ 1335126258Smlaier NULL \ 1336126258Smlaier} 1337126258Smlaier 1338145836Smlaier/* Counters for other things we want to keep track of */ 1339145836Smlaier#define LCNT_STATES 0 /* states */ 1340145836Smlaier#define LCNT_SRCSTATES 1 /* max-src-states */ 1341145836Smlaier#define LCNT_SRCNODES 2 /* max-src-nodes */ 1342145836Smlaier#define LCNT_SRCCONN 3 /* max-src-conn */ 1343145836Smlaier#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */ 1344145836Smlaier#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */ 1345145836Smlaier#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */ 1346145836Smlaier#define LCNT_MAX 7 /* total+1 */ 1347145836Smlaier 1348145836Smlaier#define LCNT_NAMES { \ 1349145836Smlaier "max states per rule", \ 1350145836Smlaier "max-src-states", \ 1351145836Smlaier "max-src-nodes", \ 1352145836Smlaier "max-src-conn", \ 1353145836Smlaier "max-src-conn-rate", \ 1354145836Smlaier "overload table insertion", \ 1355145836Smlaier "overload flush states", \ 1356145836Smlaier NULL \ 1357145836Smlaier} 1358145836Smlaier 1359126258Smlaier/* UDP state enumeration */ 1360126258Smlaier#define PFUDPS_NO_TRAFFIC 0 1361126258Smlaier#define PFUDPS_SINGLE 1 1362126258Smlaier#define PFUDPS_MULTIPLE 2 1363126258Smlaier 1364126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 1365126258Smlaier 1366126258Smlaier#define PFUDPS_NAMES { \ 1367126258Smlaier "NO_TRAFFIC", \ 1368126258Smlaier "SINGLE", \ 1369126258Smlaier "MULTIPLE", \ 1370126258Smlaier NULL \ 1371126258Smlaier} 1372126258Smlaier 1373126258Smlaier/* Other protocol state enumeration */ 1374126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 1375126258Smlaier#define PFOTHERS_SINGLE 1 1376126258Smlaier#define PFOTHERS_MULTIPLE 2 1377126258Smlaier 1378126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 1379126258Smlaier 1380126258Smlaier#define PFOTHERS_NAMES { \ 1381126258Smlaier "NO_TRAFFIC", \ 1382126258Smlaier "SINGLE", \ 1383126258Smlaier "MULTIPLE", \ 1384126258Smlaier NULL \ 1385126258Smlaier} 1386126258Smlaier 1387126258Smlaier#define FCNT_STATE_SEARCH 0 1388126258Smlaier#define FCNT_STATE_INSERT 1 1389126258Smlaier#define FCNT_STATE_REMOVALS 2 1390126258Smlaier#define FCNT_MAX 3 1391126258Smlaier 1392130613Smlaier#define SCNT_SRC_NODE_SEARCH 0 1393130613Smlaier#define SCNT_SRC_NODE_INSERT 1 1394130613Smlaier#define SCNT_SRC_NODE_REMOVALS 2 1395130613Smlaier#define SCNT_MAX 3 1396126258Smlaier 1397126258Smlaier#define ACTION_SET(a, x) \ 1398126258Smlaier do { \ 1399126258Smlaier if ((a) != NULL) \ 1400126258Smlaier *(a) = (x); \ 1401126258Smlaier } while (0) 1402126258Smlaier 1403223637Sbz#ifdef __FreeBSD__ 1404126258Smlaier#define REASON_SET(a, x) \ 1405126258Smlaier do { \ 1406126258Smlaier if ((a) != NULL) \ 1407126258Smlaier *(a) = (x); \ 1408126258Smlaier if (x < PFRES_MAX) \ 1409223637Sbz V_pf_status.counters[x]++; \ 1410223637Sbz } while (0) 1411223637Sbz#else 1412223637Sbz#define REASON_SET(a, x) \ 1413223637Sbz do { \ 1414223637Sbz if ((a) != NULL) \ 1415223637Sbz *(a) = (x); \ 1416223637Sbz if (x < PFRES_MAX) \ 1417126258Smlaier pf_status.counters[x]++; \ 1418126258Smlaier } while (0) 1419223637Sbz#endif 1420126258Smlaier 1421126258Smlaierstruct pf_status { 1422126258Smlaier u_int64_t counters[PFRES_MAX]; 1423145836Smlaier u_int64_t lcounters[LCNT_MAX]; /* limit counters */ 1424126258Smlaier u_int64_t fcounters[FCNT_MAX]; 1425130613Smlaier u_int64_t scounters[SCNT_MAX]; 1426126258Smlaier u_int64_t pcounters[2][2][3]; 1427126258Smlaier u_int64_t bcounters[2][2]; 1428130613Smlaier u_int64_t stateid; 1429126258Smlaier u_int32_t running; 1430126258Smlaier u_int32_t states; 1431130613Smlaier u_int32_t src_nodes; 1432126258Smlaier u_int32_t since; 1433126258Smlaier u_int32_t debug; 1434130613Smlaier u_int32_t hostid; 1435126258Smlaier char ifname[IFNAMSIZ]; 1436171168Smlaier u_int8_t pf_chksum[PF_MD5_DIGEST_LENGTH]; 1437126258Smlaier}; 1438126258Smlaier 1439126258Smlaierstruct cbq_opts { 1440126258Smlaier u_int minburst; 1441126258Smlaier u_int maxburst; 1442126258Smlaier u_int pktsize; 1443126258Smlaier u_int maxpktsize; 1444126258Smlaier u_int ns_per_byte; 1445126258Smlaier u_int maxidle; 1446126258Smlaier int minidle; 1447126258Smlaier u_int offtime; 1448126258Smlaier int flags; 1449126258Smlaier}; 1450126258Smlaier 1451126258Smlaierstruct priq_opts { 1452126258Smlaier int flags; 1453126258Smlaier}; 1454126258Smlaier 1455126258Smlaierstruct hfsc_opts { 1456126258Smlaier /* real-time service curve */ 1457126258Smlaier u_int rtsc_m1; /* slope of the 1st segment in bps */ 1458126258Smlaier u_int rtsc_d; /* the x-projection of m1 in msec */ 1459126258Smlaier u_int rtsc_m2; /* slope of the 2nd segment in bps */ 1460126258Smlaier /* link-sharing service curve */ 1461126258Smlaier u_int lssc_m1; 1462126258Smlaier u_int lssc_d; 1463126258Smlaier u_int lssc_m2; 1464126258Smlaier /* upper-limit service curve */ 1465126258Smlaier u_int ulsc_m1; 1466126258Smlaier u_int ulsc_d; 1467126258Smlaier u_int ulsc_m2; 1468126258Smlaier int flags; 1469126258Smlaier}; 1470126258Smlaier 1471126258Smlaierstruct pf_altq { 1472126258Smlaier char ifname[IFNAMSIZ]; 1473126258Smlaier 1474126258Smlaier void *altq_disc; /* discipline-specific state */ 1475126258Smlaier TAILQ_ENTRY(pf_altq) entries; 1476126258Smlaier 1477126258Smlaier /* scheduler spec */ 1478126258Smlaier u_int8_t scheduler; /* scheduler type */ 1479126258Smlaier u_int16_t tbrsize; /* tokenbucket regulator size */ 1480126258Smlaier u_int32_t ifbandwidth; /* interface bandwidth */ 1481126258Smlaier 1482126258Smlaier /* queue spec */ 1483126258Smlaier char qname[PF_QNAME_SIZE]; /* queue name */ 1484126258Smlaier char parent[PF_QNAME_SIZE]; /* parent name */ 1485126258Smlaier u_int32_t parent_qid; /* parent queue id */ 1486126258Smlaier u_int32_t bandwidth; /* queue bandwidth */ 1487126258Smlaier u_int8_t priority; /* priority */ 1488177700Smlaier#ifdef __FreeBSD__ 1489177700Smlaier u_int8_t local_flags; /* dynamic interface */ 1490177700Smlaier#define PFALTQ_FLAG_IF_REMOVED 0x01 1491177700Smlaier#endif 1492126258Smlaier u_int16_t qlimit; /* queue size limit */ 1493126258Smlaier u_int16_t flags; /* misc flags */ 1494126258Smlaier union { 1495126258Smlaier struct cbq_opts cbq_opts; 1496126258Smlaier struct priq_opts priq_opts; 1497126258Smlaier struct hfsc_opts hfsc_opts; 1498126258Smlaier } pq_u; 1499126258Smlaier 1500126258Smlaier u_int32_t qid; /* return value */ 1501126258Smlaier}; 1502126258Smlaier 1503126258Smlaierstruct pf_tagname { 1504126258Smlaier TAILQ_ENTRY(pf_tagname) entries; 1505126258Smlaier char name[PF_TAG_NAME_SIZE]; 1506126258Smlaier u_int16_t tag; 1507126258Smlaier int ref; 1508126258Smlaier}; 1509126258Smlaier 1510223637Sbzstruct pf_divert { 1511223637Sbz union { 1512223637Sbz struct in_addr ipv4; 1513223637Sbz struct in6_addr ipv6; 1514223637Sbz } addr; 1515223637Sbz u_int16_t port; 1516223637Sbz}; 1517223637Sbz 1518126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 1519126258Smlaier#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */ 1520126258Smlaier#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */ 1521126258Smlaier#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */ 1522126258Smlaier 1523171168Smlaier#define PFR_KTABLE_HIWAT 1000 /* Number of tables */ 1524171168Smlaier#define PFR_KENTRY_HIWAT 200000 /* Number of table entries */ 1525171168Smlaier#define PFR_KENTRY_HIWAT_SMALL 100000 /* Number of table entries (tiny hosts) */ 1526171168Smlaier 1527126258Smlaier/* 1528126258Smlaier * ioctl parameter structures 1529126258Smlaier */ 1530126258Smlaier 1531126258Smlaierstruct pfioc_pooladdr { 1532126258Smlaier u_int32_t action; 1533126258Smlaier u_int32_t ticket; 1534126258Smlaier u_int32_t nr; 1535126258Smlaier u_int32_t r_num; 1536126258Smlaier u_int8_t r_action; 1537126258Smlaier u_int8_t r_last; 1538126258Smlaier u_int8_t af; 1539145836Smlaier char anchor[MAXPATHLEN]; 1540126258Smlaier struct pf_pooladdr addr; 1541126258Smlaier}; 1542126258Smlaier 1543126258Smlaierstruct pfioc_rule { 1544126258Smlaier u_int32_t action; 1545126258Smlaier u_int32_t ticket; 1546126258Smlaier u_int32_t pool_ticket; 1547126258Smlaier u_int32_t nr; 1548145836Smlaier char anchor[MAXPATHLEN]; 1549145836Smlaier char anchor_call[MAXPATHLEN]; 1550126258Smlaier struct pf_rule rule; 1551126258Smlaier}; 1552126258Smlaier 1553126258Smlaierstruct pfioc_natlook { 1554126258Smlaier struct pf_addr saddr; 1555126258Smlaier struct pf_addr daddr; 1556126258Smlaier struct pf_addr rsaddr; 1557126258Smlaier struct pf_addr rdaddr; 1558126258Smlaier u_int16_t sport; 1559126258Smlaier u_int16_t dport; 1560126258Smlaier u_int16_t rsport; 1561126258Smlaier u_int16_t rdport; 1562126258Smlaier sa_family_t af; 1563126258Smlaier u_int8_t proto; 1564126258Smlaier u_int8_t direction; 1565126258Smlaier}; 1566126258Smlaier 1567126258Smlaierstruct pfioc_state { 1568223637Sbz struct pfsync_state state; 1569126258Smlaier}; 1570126258Smlaier 1571171168Smlaierstruct pfioc_src_node_kill { 1572171168Smlaier sa_family_t psnk_af; 1573171168Smlaier struct pf_rule_addr psnk_src; 1574171168Smlaier struct pf_rule_addr psnk_dst; 1575223637Sbz u_int psnk_killed; 1576171168Smlaier}; 1577171168Smlaier 1578126258Smlaierstruct pfioc_state_kill { 1579223637Sbz struct pf_state_cmp psk_pfcmp; 1580126258Smlaier sa_family_t psk_af; 1581126258Smlaier int psk_proto; 1582126258Smlaier struct pf_rule_addr psk_src; 1583126258Smlaier struct pf_rule_addr psk_dst; 1584130613Smlaier char psk_ifname[IFNAMSIZ]; 1585223637Sbz char psk_label[PF_RULE_LABEL_SIZE]; 1586223637Sbz u_int psk_killed; 1587126258Smlaier}; 1588126258Smlaier 1589126258Smlaierstruct pfioc_states { 1590126258Smlaier int ps_len; 1591126258Smlaier union { 1592223637Sbz caddr_t psu_buf; 1593223637Sbz struct pfsync_state *psu_states; 1594126258Smlaier } ps_u; 1595126258Smlaier#define ps_buf ps_u.psu_buf 1596126258Smlaier#define ps_states ps_u.psu_states 1597126258Smlaier}; 1598126258Smlaier 1599130613Smlaierstruct pfioc_src_nodes { 1600130613Smlaier int psn_len; 1601130613Smlaier union { 1602130613Smlaier caddr_t psu_buf; 1603130613Smlaier struct pf_src_node *psu_src_nodes; 1604130613Smlaier } psn_u; 1605130613Smlaier#define psn_buf psn_u.psu_buf 1606130613Smlaier#define psn_src_nodes psn_u.psu_src_nodes 1607130613Smlaier}; 1608130613Smlaier 1609126258Smlaierstruct pfioc_if { 1610126258Smlaier char ifname[IFNAMSIZ]; 1611126258Smlaier}; 1612126258Smlaier 1613126258Smlaierstruct pfioc_tm { 1614126258Smlaier int timeout; 1615126258Smlaier int seconds; 1616126258Smlaier}; 1617126258Smlaier 1618126258Smlaierstruct pfioc_limit { 1619126258Smlaier int index; 1620126258Smlaier unsigned limit; 1621126258Smlaier}; 1622126258Smlaier 1623126258Smlaierstruct pfioc_altq { 1624126258Smlaier u_int32_t action; 1625126258Smlaier u_int32_t ticket; 1626126258Smlaier u_int32_t nr; 1627126258Smlaier struct pf_altq altq; 1628126258Smlaier}; 1629126258Smlaier 1630126258Smlaierstruct pfioc_qstats { 1631126258Smlaier u_int32_t ticket; 1632126258Smlaier u_int32_t nr; 1633126258Smlaier void *buf; 1634126258Smlaier int nbytes; 1635126258Smlaier u_int8_t scheduler; 1636126258Smlaier}; 1637126258Smlaier 1638145836Smlaierstruct pfioc_ruleset { 1639126258Smlaier u_int32_t nr; 1640145836Smlaier char path[MAXPATHLEN]; 1641126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1642126258Smlaier}; 1643126258Smlaier 1644130613Smlaier#define PF_RULESET_ALTQ (PF_RULESET_MAX) 1645130613Smlaier#define PF_RULESET_TABLE (PF_RULESET_MAX+1) 1646130613Smlaierstruct pfioc_trans { 1647130613Smlaier int size; /* number of elements */ 1648130613Smlaier int esize; /* size of each element in bytes */ 1649130613Smlaier struct pfioc_trans_e { 1650130613Smlaier int rs_num; 1651145836Smlaier char anchor[MAXPATHLEN]; 1652130613Smlaier u_int32_t ticket; 1653130613Smlaier } *array; 1654130613Smlaier}; 1655130613Smlaier 1656126258Smlaier#define PFR_FLAG_ATOMIC 0x00000001 1657126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1658126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1659126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1660126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1661126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1662126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1663126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1664130613Smlaier#ifdef _KERNEL 1665130613Smlaier#define PFR_FLAG_USERIOCTL 0x10000000 1666130613Smlaier#endif 1667126258Smlaier 1668126258Smlaierstruct pfioc_table { 1669126258Smlaier struct pfr_table pfrio_table; 1670126258Smlaier void *pfrio_buffer; 1671126258Smlaier int pfrio_esize; 1672126258Smlaier int pfrio_size; 1673126258Smlaier int pfrio_size2; 1674126258Smlaier int pfrio_nadd; 1675126258Smlaier int pfrio_ndel; 1676126258Smlaier int pfrio_nchange; 1677126258Smlaier int pfrio_flags; 1678126258Smlaier u_int32_t pfrio_ticket; 1679126258Smlaier}; 1680126258Smlaier#define pfrio_exists pfrio_nadd 1681126258Smlaier#define pfrio_nzero pfrio_nadd 1682126258Smlaier#define pfrio_nmatch pfrio_nadd 1683126258Smlaier#define pfrio_naddr pfrio_size2 1684126258Smlaier#define pfrio_setflag pfrio_size2 1685126258Smlaier#define pfrio_clrflag pfrio_nadd 1686126258Smlaier 1687130613Smlaierstruct pfioc_iface { 1688130613Smlaier char pfiio_name[IFNAMSIZ]; 1689130613Smlaier void *pfiio_buffer; 1690130613Smlaier int pfiio_esize; 1691130613Smlaier int pfiio_size; 1692130613Smlaier int pfiio_nzero; 1693130613Smlaier int pfiio_flags; 1694130613Smlaier}; 1695130613Smlaier 1696130613Smlaier 1697126258Smlaier/* 1698126258Smlaier * ioctl operations 1699126258Smlaier */ 1700126258Smlaier 1701126258Smlaier#define DIOCSTART _IO ('D', 1) 1702126258Smlaier#define DIOCSTOP _IO ('D', 2) 1703126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1704126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1705126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1706126258Smlaier/* XXX cut 8 - 17 */ 1707130613Smlaier#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill) 1708126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1709126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1710126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1711126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1712126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1713126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1714126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1715126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1716126258Smlaier/* XXX cut 26 - 28 */ 1717126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1718126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1719126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1720126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1721126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1722126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1723126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1724126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1725126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1726126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1727126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1728126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1729126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1730126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1731126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1732126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1733126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1734126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1735126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1736145836Smlaier/* XXX cut 55 - 57 */ 1737126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1738126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1739126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1740126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1741126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1742126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1743126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1744223637Sbz#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1745126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1746126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1747126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1748126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1749126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1750126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1751223637Sbz#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1752126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1753126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1754223637Sbz#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1755223637Sbz#define DIOCOSFPFLUSH _IO('D', 78) 1756223637Sbz#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1757223637Sbz#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1758223637Sbz#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans) 1759223637Sbz#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans) 1760223637Sbz#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans) 1761223637Sbz#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes) 1762223637Sbz#define DIOCCLRSRCNODES _IO('D', 85) 1763223637Sbz#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t) 1764223637Sbz#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface) 1765223637Sbz#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface) 1766223637Sbz#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface) 1767223637Sbz#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill) 1768127145Smlaier#ifdef __FreeBSD__ 1769126261Smlaierstruct pf_ifspeed { 1770126261Smlaier char ifname[IFNAMSIZ]; 1771126261Smlaier u_int32_t baudrate; 1772126261Smlaier}; 1773223637Sbz#define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed) 1774126261Smlaier#endif 1775126258Smlaier 1776126258Smlaier#ifdef _KERNEL 1777130613SmlaierRB_HEAD(pf_src_tree, pf_src_node); 1778130613SmlaierRB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare); 1779223637Sbz#ifdef __FreeBSD__ 1780223637SbzVNET_DECLARE(struct pf_src_tree, tree_src_tracking); 1781223637Sbz#define V_tree_src_tracking VNET(tree_src_tracking) 1782223637Sbz#else 1783130613Smlaierextern struct pf_src_tree tree_src_tracking; 1784223637Sbz#endif 1785126258Smlaier 1786130613SmlaierRB_HEAD(pf_state_tree_id, pf_state); 1787130613SmlaierRB_PROTOTYPE(pf_state_tree_id, pf_state, 1788130613Smlaier entry_id, pf_state_compare_id); 1789223637Sbz#ifdef __FreeBSD__ 1790223637SbzVNET_DECLARE(struct pf_state_tree_id, tree_id); 1791223637Sbz#define V_tree_id VNET(tree_id) 1792223637SbzVNET_DECLARE(struct pf_state_queue, state_list); 1793223637Sbz#define V_state_list VNET(state_list) 1794223637Sbz#else 1795130613Smlaierextern struct pf_state_tree_id tree_id; 1796171168Smlaierextern struct pf_state_queue state_list; 1797223637Sbz#endif 1798130613Smlaier 1799126258SmlaierTAILQ_HEAD(pf_poolqueue, pf_pool); 1800223637Sbz#ifdef __FreeBSD__ 1801223637SbzVNET_DECLARE(struct pf_poolqueue, pf_pools[2]); 1802223637Sbz#define V_pf_pools VNET(pf_pools) 1803223637Sbz#else 1804130613Smlaierextern struct pf_poolqueue pf_pools[2]; 1805223637Sbz#endif 1806126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1807223637Sbz#ifdef __FreeBSD__ 1808223637SbzVNET_DECLARE(struct pf_altqqueue, pf_altqs[2]); 1809223637Sbz#define V_pf_altqs VNET(pf_altqs) 1810223637SbzVNET_DECLARE(struct pf_palist, pf_pabuf); 1811223637Sbz#define V_pf_pabuf VNET(pf_pabuf) 1812223637Sbz#else 1813130613Smlaierextern struct pf_altqqueue pf_altqs[2]; 1814130613Smlaierextern struct pf_palist pf_pabuf; 1815223637Sbz#endif 1816126258Smlaier 1817223637Sbz#ifdef __FreeBSD__ 1818223637SbzVNET_DECLARE(u_int32_t, ticket_altqs_active); 1819223637Sbz#define V_ticket_altqs_active VNET(ticket_altqs_active) 1820223637SbzVNET_DECLARE(u_int32_t, ticket_altqs_inactive); 1821223637Sbz#define V_ticket_altqs_inactive VNET(ticket_altqs_inactive) 1822223637SbzVNET_DECLARE(int, altqs_inactive_open); 1823223637Sbz#define V_altqs_inactive_open VNET(altqs_inactive_open) 1824223637SbzVNET_DECLARE(u_int32_t, ticket_pabuf); 1825223637Sbz#define V_ticket_pabuf VNET(ticket_pabuf) 1826223637SbzVNET_DECLARE(struct pf_altqqueue *, pf_altqs_active); 1827223637Sbz#define V_pf_altqs_active VNET(pf_altqs_active) 1828223637SbzVNET_DECLARE(struct pf_altqqueue *, pf_altqs_inactive); 1829223637Sbz#define V_pf_altqs_inactive VNET(pf_altqs_inactive) 1830223637SbzVNET_DECLARE(struct pf_poolqueue *, pf_pools_active); 1831223637Sbz#define V_pf_pools_active VNET(pf_pools_active) 1832223637SbzVNET_DECLARE(struct pf_poolqueue *, pf_pools_inactive); 1833223637Sbz#define V_pf_pools_inactive VNET(pf_pools_inactive) 1834223637Sbz#else 1835126258Smlaierextern u_int32_t ticket_altqs_active; 1836126258Smlaierextern u_int32_t ticket_altqs_inactive; 1837130613Smlaierextern int altqs_inactive_open; 1838126258Smlaierextern u_int32_t ticket_pabuf; 1839126258Smlaierextern struct pf_altqqueue *pf_altqs_active; 1840126258Smlaierextern struct pf_altqqueue *pf_altqs_inactive; 1841126258Smlaierextern struct pf_poolqueue *pf_pools_active; 1842126258Smlaierextern struct pf_poolqueue *pf_pools_inactive; 1843223637Sbz#endif 1844126258Smlaierextern int pf_tbladdr_setup(struct pf_ruleset *, 1845126258Smlaier struct pf_addr_wrap *); 1846126258Smlaierextern void pf_tbladdr_remove(struct pf_addr_wrap *); 1847126258Smlaierextern void pf_tbladdr_copyout(struct pf_addr_wrap *); 1848126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1849127145Smlaier#ifdef __FreeBSD__ 1850177700Smlaier#ifdef ALTQ 1851223637Sbzextern void pf_altq_ifnet_event(struct ifnet *, int); 1852177700Smlaier#endif 1853223637SbzVNET_DECLARE(uma_zone_t, pf_src_tree_pl); 1854223637Sbz#define V_pf_src_tree_pl VNET(pf_src_tree_pl) 1855223637SbzVNET_DECLARE(uma_zone_t, pf_rule_pl); 1856223637Sbz#define V_pf_rule_pl VNET(pf_rule_pl) 1857223637SbzVNET_DECLARE(uma_zone_t, pf_state_pl); 1858223637Sbz#define V_pf_state_pl VNET(pf_state_pl) 1859223637SbzVNET_DECLARE(uma_zone_t, pf_state_key_pl); 1860223637Sbz#define V_pf_state_key_pl VNET(pf_state_key_pl) 1861223637SbzVNET_DECLARE(uma_zone_t, pf_state_item_pl); 1862223637Sbz#define V_pf_state_item_pl VNET(pf_state_item_pl) 1863223637SbzVNET_DECLARE(uma_zone_t, pf_altq_pl); 1864223637Sbz#define V_pf_altq_pl VNET(pf_altq_pl) 1865223637SbzVNET_DECLARE(uma_zone_t, pf_pooladdr_pl); 1866223637Sbz#define V_pf_pooladdr_pl VNET(pf_pooladdr_pl) 1867223637SbzVNET_DECLARE(uma_zone_t, pfr_ktable_pl); 1868223637Sbz#define V_pfr_ktable_pl VNET(pfr_ktable_pl) 1869223637SbzVNET_DECLARE(uma_zone_t, pfr_kentry_pl); 1870223637Sbz#define V_pfr_kentry_pl VNET(pfr_kentry_pl) 1871237776SglebiusVNET_DECLARE(uma_zone_t, pfr_kcounters_pl); 1872237776Sglebius#define V_pfr_kcounters_pl VNET(pfr_kcounters_pl) 1873223637SbzVNET_DECLARE(uma_zone_t, pf_cache_pl); 1874223637Sbz#define V_pf_cache_pl VNET(pf_cache_pl) 1875223637SbzVNET_DECLARE(uma_zone_t, pf_cent_pl); 1876223637Sbz#define V_pf_cent_pl VNET(pf_cent_pl) 1877223637SbzVNET_DECLARE(uma_zone_t, pf_state_scrub_pl); 1878223637Sbz#define V_pf_state_scrub_pl VNET(pf_state_scrub_pl) 1879223637SbzVNET_DECLARE(uma_zone_t, pfi_addr_pl); 1880223637Sbz#define V_pfi_addr_pl VNET(pfi_addr_pl) 1881126261Smlaier#else 1882130613Smlaierextern struct pool pf_src_tree_pl, pf_rule_pl; 1883223637Sbzextern struct pool pf_state_pl, pf_state_key_pl, pf_state_item_pl, 1884223637Sbz pf_altq_pl, pf_pooladdr_pl; 1885126258Smlaierextern struct pool pf_state_scrub_pl; 1886126261Smlaier#endif 1887171168Smlaierextern void pf_purge_thread(void *); 1888196372Smlaier#ifdef __FreeBSD__ 1889196372Smlaierextern int pf_purge_expired_src_nodes(int); 1890223637Sbzextern int pf_purge_expired_states(u_int32_t , int); 1891196372Smlaier#else 1892171168Smlaierextern void pf_purge_expired_src_nodes(int); 1893171168Smlaierextern void pf_purge_expired_states(u_int32_t); 1894196372Smlaier#endif 1895171168Smlaierextern void pf_unlink_state(struct pf_state *); 1896171168Smlaierextern void pf_free_state(struct pf_state *); 1897223637Sbzextern int pf_state_insert(struct pfi_kif *, 1898223637Sbz struct pf_state_key *, 1899223637Sbz struct pf_state_key *, 1900130613Smlaier struct pf_state *); 1901130613Smlaierextern int pf_insert_src_node(struct pf_src_node **, 1902130613Smlaier struct pf_rule *, struct pf_addr *, 1903130613Smlaier sa_family_t); 1904130613Smlaiervoid pf_src_tree_remove_state(struct pf_state *); 1905171168Smlaierextern struct pf_state *pf_find_state_byid(struct pf_state_cmp *); 1906223637Sbzextern struct pf_state *pf_find_state_all(struct pf_state_key_cmp *, 1907223637Sbz u_int, int *); 1908145836Smlaierextern void pf_print_state(struct pf_state *); 1909145836Smlaierextern void pf_print_flags(u_int8_t); 1910133574Smlaierextern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t, 1911133574Smlaier u_int8_t); 1912293896Sglebiusextern u_int16_t pf_proto_cksum_fixup(struct mbuf *, u_int16_t, 1913293896Sglebius u_int16_t, u_int16_t, u_int8_t); 1914126258Smlaier 1915223637Sbz#ifdef __FreeBSD__ 1916223637SbzVNET_DECLARE(struct ifnet *, sync_ifp); 1917223637Sbz#define V_sync_ifp VNET(sync_ifp); 1918223637SbzVNET_DECLARE(struct pf_rule, pf_default_rule); 1919223637Sbz#define V_pf_default_rule VNET(pf_default_rule) 1920223637Sbz#else 1921130613Smlaierextern struct ifnet *sync_ifp; 1922126258Smlaierextern struct pf_rule pf_default_rule; 1923223637Sbz#endif 1924126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1925126258Smlaier u_int8_t); 1926126258Smlaiervoid pf_rm_rule(struct pf_rulequeue *, 1927126258Smlaier struct pf_rule *); 1928223637Sbz#ifndef __FreeBSD__ 1929223637Sbzstruct pf_divert *pf_find_divert(struct mbuf *); 1930223637Sbz#endif 1931126258Smlaier 1932126258Smlaier#ifdef INET 1933135920Smlaier#ifdef __FreeBSD__ 1934145836Smlaierint pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *, 1935145836Smlaier struct inpcb *); 1936135920Smlaier#else 1937145836Smlaierint pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *); 1938135920Smlaier#endif 1939126258Smlaier#endif /* INET */ 1940126258Smlaier 1941126258Smlaier#ifdef INET6 1942135920Smlaier#ifdef __FreeBSD__ 1943145836Smlaierint pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *, 1944145836Smlaier struct inpcb *); 1945135920Smlaier#else 1946145836Smlaierint pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *); 1947135920Smlaier#endif 1948126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1949126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1950126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1951126258Smlaier#endif /* INET6 */ 1952126258Smlaier 1953171168Smlaier#ifdef __FreeBSD__ 1954171168Smlaieru_int32_t pf_new_isn(struct pf_state *); 1955171168Smlaier#endif 1956126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1957126258Smlaier sa_family_t); 1958126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1959293896Sglebiusvoid pf_change_proto_a(struct mbuf *, void *, u_int16_t *, u_int32_t, 1960293896Sglebius u_int8_t); 1961293896Sglebiusvoid pf_change_tcp_a(struct mbuf *, void *, u_int16_t *, u_int32_t); 1962130613Smlaierint pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t, 1963171168Smlaier u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *, 1964171168Smlaier struct pf_pdesc *); 1965223637Sbzvoid pf_send_deferred_syn(struct pf_state *); 1966126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1967126258Smlaier struct pf_addr *, sa_family_t); 1968223637Sbzint pf_match_addr_range(struct pf_addr *, struct pf_addr *, 1969223637Sbz struct pf_addr *, sa_family_t); 1970126258Smlaierint pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t); 1971126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1972126258Smlaierint pf_match_uid(u_int8_t, uid_t, uid_t, uid_t); 1973126258Smlaierint pf_match_gid(u_int8_t, gid_t, gid_t, gid_t); 1974126258Smlaier 1975126258Smlaiervoid pf_normalize_init(void); 1976145836Smlaierint pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *, 1977145836Smlaier struct pf_pdesc *); 1978145836Smlaierint pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *, 1979145836Smlaier struct pf_pdesc *); 1980130613Smlaierint pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *, 1981126258Smlaier struct pf_pdesc *); 1982126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1983126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1984126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1985126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1986145836Smlaier u_short *, struct tcphdr *, struct pf_state *, 1987145836Smlaier struct pf_state_peer *, struct pf_state_peer *, int *); 1988126258Smlaieru_int32_t 1989126258Smlaier pf_state_expires(const struct pf_state *); 1990126258Smlaiervoid pf_purge_expired_fragments(void); 1991232292Sbzint pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kif *, 1992232292Sbz int); 1993232292Sbzint pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *, 1994232292Sbz int); 1995171168Smlaier#ifdef __FreeBSD__ 1996223637Sbzint pf_socket_lookup(int, struct pf_pdesc *, struct inpcb *); 1997171168Smlaier#else 1998171168Smlaierint pf_socket_lookup(int, struct pf_pdesc *); 1999171168Smlaier#endif 2000223637Sbzstruct pf_state_key *pf_alloc_state_key(int); 2001223637Sbzvoid pf_pkt_addr_changed(struct mbuf *); 2002223637Sbzint pf_state_key_attach(struct pf_state_key *, struct pf_state *, int); 2003126258Smlaiervoid pfr_initialize(void); 2004126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 2005126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 2006126258Smlaier u_int64_t, int, int, int); 2007126258Smlaierint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, 2008126258Smlaier struct pf_addr **, struct pf_addr **, sa_family_t); 2009130613Smlaiervoid pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *); 2010126258Smlaierstruct pfr_ktable * 2011223637Sbz pfr_attach_table(struct pf_ruleset *, char *, int); 2012126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 2013126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 2014126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 2015126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 2016126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 2017126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 2018126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 2019126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 2020126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 2021145836Smlaierint pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long); 2022126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 2023126258Smlaier int); 2024126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 2025126258Smlaier int); 2026126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 2027171168Smlaier int *, int *, int *, int, u_int32_t); 2028126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 2029126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 2030126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 2031126258Smlaier int); 2032126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 2033126258Smlaier int); 2034126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 2035130613Smlaierint pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int); 2036126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 2037126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 2038126258Smlaier int *, u_int32_t, int); 2039126258Smlaier 2040223637Sbz#ifdef __FreeBSD__ 2041223637SbzVNET_DECLARE(struct pfi_kif *, pfi_all); 2042223637Sbz#define V_pfi_all VNET(pfi_all) 2043223637Sbz#else 2044171168Smlaierextern struct pfi_kif *pfi_all; 2045223637Sbz#endif 2046171168Smlaier 2047130613Smlaiervoid pfi_initialize(void); 2048130613Smlaier#ifdef __FreeBSD__ 2049130613Smlaiervoid pfi_cleanup(void); 2050130613Smlaier#endif 2051171168Smlaierstruct pfi_kif *pfi_kif_get(const char *); 2052171168Smlaiervoid pfi_kif_ref(struct pfi_kif *, enum pfi_kif_refs); 2053171168Smlaiervoid pfi_kif_unref(struct pfi_kif *, enum pfi_kif_refs); 2054171168Smlaierint pfi_kif_match(struct pfi_kif *, struct pfi_kif *); 2055130613Smlaiervoid pfi_attach_ifnet(struct ifnet *); 2056130613Smlaiervoid pfi_detach_ifnet(struct ifnet *); 2057171168Smlaiervoid pfi_attach_ifgroup(struct ifg_group *); 2058171168Smlaiervoid pfi_detach_ifgroup(struct ifg_group *); 2059171168Smlaiervoid pfi_group_change(const char *); 2060171168Smlaierint pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *, 2061171168Smlaier sa_family_t); 2062130613Smlaierint pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t); 2063171168Smlaiervoid pfi_dynaddr_remove(struct pf_addr_wrap *); 2064130613Smlaiervoid pfi_dynaddr_copyout(struct pf_addr_wrap *); 2065223637Sbzvoid pfi_update_status(const char *, struct pf_status *); 2066171168Smlaierint pfi_get_ifaces(const char *, struct pfi_kif *, int *); 2067145836Smlaierint pfi_set_flags(const char *, int); 2068145836Smlaierint pfi_clear_flags(const char *, int); 2069130613Smlaier 2070223637Sbz#ifdef __FreeBSD__ 2071223637Sbzint pf_match_tag(struct mbuf *, struct pf_rule *, int *, 2072223637Sbz struct pf_mtag *); 2073223637Sbz#else 2074223637Sbzint pf_match_tag(struct mbuf *, struct pf_rule *, int *); 2075223637Sbz#endif 2076171168Smlaieru_int16_t pf_tagname2tag(char *); 2077171168Smlaiervoid pf_tag2tagname(u_int16_t, char *); 2078171168Smlaiervoid pf_tag_ref(u_int16_t); 2079171168Smlaiervoid pf_tag_unref(u_int16_t); 2080223637Sbz#ifdef __FreeBSD__ 2081223637Sbzint pf_tag_packet(struct mbuf *, int, int, struct pf_mtag *); 2082223637Sbz#else 2083223637Sbzint pf_tag_packet(struct mbuf *, int, int); 2084223637Sbz#endif 2085171168Smlaieru_int32_t pf_qname2qid(char *); 2086171168Smlaiervoid pf_qid2qname(u_int32_t, char *); 2087171168Smlaiervoid pf_qid_unref(u_int32_t); 2088130613Smlaier 2089223637Sbz#ifdef __FreeBSD__ 2090223637SbzVNET_DECLARE(struct pf_status, pf_status); 2091223637Sbz#define V_pf_status VNET(pf_status) 2092223637Sbz#else 2093126258Smlaierextern struct pf_status pf_status; 2094223637Sbz#endif 2095126261Smlaier 2096127145Smlaier#ifdef __FreeBSD__ 2097223637SbzVNET_DECLARE(uma_zone_t, pf_frent_pl); 2098223637Sbz#define V_pf_frent_pl VNET(pf_frent_pl) 2099223637SbzVNET_DECLARE(uma_zone_t, pf_frag_pl); 2100223637Sbz#define V_pf_frag_pl VNET(pf_frag_pl) 2101223637SbzVNET_DECLARE(struct sx, pf_consistency_lock); 2102223637Sbz#define V_pf_consistency_lock VNET(pf_consistency_lock) 2103126261Smlaier#else 2104126258Smlaierextern struct pool pf_frent_pl, pf_frag_pl; 2105171168Smlaierextern struct rwlock pf_consistency_lock; 2106126261Smlaier#endif 2107126258Smlaier 2108126258Smlaierstruct pf_pool_limit { 2109126258Smlaier void *pp; 2110126258Smlaier unsigned limit; 2111126258Smlaier}; 2112223637Sbz#ifdef __FreeBSD__ 2113223637SbzVNET_DECLARE(struct pf_pool_limit, pf_pool_limits[PF_LIMIT_MAX]); 2114223637Sbz#define V_pf_pool_limits VNET(pf_pool_limits) 2115223637Sbz#else 2116126258Smlaierextern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX]; 2117223637Sbz#endif 2118126258Smlaier 2119127145Smlaier#ifdef __FreeBSD__ 2120126261Smlaierstruct pf_frent { 2121126261Smlaier LIST_ENTRY(pf_frent) fr_next; 2122126261Smlaier struct ip *fr_ip; 2123126261Smlaier struct mbuf *fr_m; 2124126261Smlaier}; 2125126261Smlaier 2126126261Smlaierstruct pf_frcache { 2127126261Smlaier LIST_ENTRY(pf_frcache) fr_next; 2128223637Sbz uint16_t fr_off; 2129223637Sbz uint16_t fr_end; 2130126261Smlaier}; 2131126261Smlaier 2132126261Smlaierstruct pf_fragment { 2133126261Smlaier RB_ENTRY(pf_fragment) fr_entry; 2134126261Smlaier TAILQ_ENTRY(pf_fragment) frag_next; 2135223637Sbz struct in_addr fr_src; 2136223637Sbz struct in_addr fr_dst; 2137223637Sbz u_int8_t fr_p; /* protocol of this fragment */ 2138223637Sbz u_int8_t fr_flags; /* status flags */ 2139223637Sbz u_int16_t fr_id; /* fragment id for reassemble */ 2140223637Sbz u_int16_t fr_max; /* fragment data max */ 2141223637Sbz u_int32_t fr_timeout; 2142223637Sbz#define fr_queue fr_u.fru_queue 2143223637Sbz#define fr_cache fr_u.fru_cache 2144126261Smlaier union { 2145223637Sbz LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */ 2146223637Sbz LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */ 2147126261Smlaier } fr_u; 2148126261Smlaier}; 2149126261Smlaier#endif /* (__FreeBSD__) */ 2150126261Smlaier 2151126258Smlaier#endif /* _KERNEL */ 2152126258Smlaier 2153223637Sbz#ifdef __FreeBSD__ 2154223637Sbz#ifdef _KERNEL 2155223637SbzVNET_DECLARE(struct pf_anchor_global, pf_anchors); 2156223637Sbz#define V_pf_anchors VNET(pf_anchors) 2157223637SbzVNET_DECLARE(struct pf_anchor, pf_main_anchor); 2158223637Sbz#define V_pf_main_anchor VNET(pf_main_anchor) 2159223637Sbz#define pf_main_ruleset V_pf_main_anchor.ruleset 2160223637Sbz#endif 2161223637Sbz#else 2162223637Sbzextern struct pf_anchor_global pf_anchors; 2163223637Sbzextern struct pf_anchor pf_main_anchor; 2164171168Smlaier#define pf_main_ruleset pf_main_anchor.ruleset 2165223637Sbz#endif 2166171168Smlaier 2167171168Smlaier/* these ruleset functions can be linked into userland programs (pfctl) */ 2168171168Smlaierint pf_get_ruleset_number(u_int8_t); 2169171168Smlaiervoid pf_init_ruleset(struct pf_ruleset *); 2170171168Smlaierint pf_anchor_setup(struct pf_rule *, 2171171168Smlaier const struct pf_ruleset *, const char *); 2172171168Smlaierint pf_anchor_copyout(const struct pf_ruleset *, 2173171168Smlaier const struct pf_rule *, struct pfioc_rule *); 2174171168Smlaiervoid pf_anchor_remove(struct pf_rule *); 2175171168Smlaiervoid pf_remove_if_empty_ruleset(struct pf_ruleset *); 2176171168Smlaierstruct pf_anchor *pf_find_anchor(const char *); 2177171168Smlaierstruct pf_ruleset *pf_find_ruleset(const char *); 2178171168Smlaierstruct pf_ruleset *pf_find_or_create_ruleset(const char *); 2179171168Smlaiervoid pf_rs_initialize(void); 2180171168Smlaier 2181171168Smlaier#ifndef __FreeBSD__ 2182171168Smlaier#ifdef _KERNEL 2183171168Smlaierint pf_anchor_copyout(const struct pf_ruleset *, 2184171168Smlaier const struct pf_rule *, struct pfioc_rule *); 2185171168Smlaiervoid pf_anchor_remove(struct pf_rule *); 2186171168Smlaier 2187171168Smlaier#endif /* _KERNEL */ 2188171168Smlaier#endif 2189171168Smlaier 2190126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 2191126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 2192126258Smlaier#ifdef _KERNEL 2193126258Smlaierstruct pf_osfp_enlist * 2194126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 2195126258Smlaier const struct tcphdr *); 2196126258Smlaier#endif /* _KERNEL */ 2197126258Smlaierstruct pf_osfp_enlist * 2198171168Smlaier pf_osfp_fingerprint_hdr(const struct ip *, const struct ip6_hdr *, 2199171168Smlaier const struct tcphdr *); 2200126258Smlaiervoid pf_osfp_flush(void); 2201126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 2202127145Smlaier#ifdef __FreeBSD__ 2203126261Smlaierint pf_osfp_initialize(void); 2204126261Smlaiervoid pf_osfp_cleanup(void); 2205126261Smlaier#else 2206126258Smlaiervoid pf_osfp_initialize(void); 2207126261Smlaier#endif 2208126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 2209126258Smlaierstruct pf_os_fingerprint * 2210126258Smlaier pf_osfp_validate(void); 2211126258Smlaier 2212223637Sbz#ifdef _KERNEL 2213223637Sbzvoid pf_print_host(struct pf_addr *, u_int16_t, u_int8_t); 2214223637Sbz 2215223637Sbzvoid pf_step_into_anchor(int *, struct pf_ruleset **, int, 2216223637Sbz struct pf_rule **, struct pf_rule **, int *); 2217223637Sbzint pf_step_out_of_anchor(int *, struct pf_ruleset **, 2218223637Sbz int, struct pf_rule **, struct pf_rule **, 2219223637Sbz int *); 2220223637Sbz 2221223637Sbzint pf_map_addr(u_int8_t, struct pf_rule *, 2222223637Sbz struct pf_addr *, struct pf_addr *, 2223223637Sbz struct pf_addr *, struct pf_src_node **); 2224223637Sbzstruct pf_rule *pf_get_translation(struct pf_pdesc *, struct mbuf *, 2225223637Sbz int, int, struct pfi_kif *, struct pf_src_node **, 2226223637Sbz struct pf_state_key **, struct pf_state_key **, 2227223637Sbz struct pf_state_key **, struct pf_state_key **, 2228223637Sbz struct pf_addr *, struct pf_addr *, 2229223637Sbz u_int16_t, u_int16_t); 2230223637Sbz 2231223637Sbzint pf_state_key_setup(struct pf_pdesc *, struct pf_rule *, 2232223637Sbz struct pf_state_key **, struct pf_state_key **, 2233223637Sbz struct pf_state_key **, struct pf_state_key **, 2234223637Sbz struct pf_addr *, struct pf_addr *, 2235223637Sbz u_int16_t, u_int16_t); 2236223637Sbz#endif /* _KERNEL */ 2237223637Sbz 2238223637Sbz 2239126258Smlaier#endif /* _NET_PFVAR_H_ */ 2240