pf_altq.h revision 223637
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 225223637Sbz#define PR_WAITOK M_WAIT 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__ 240223637SbzVNET_DECLARE(struct mtx, pf_task_mtx); 241223637Sbz#define V_pf_task_mtx VNET(pf_task_mtx) 242223637Sbz 243223637Sbz#define PF_ASSERT(h) mtx_assert(&V_pf_task_mtx, (h)) 244223637Sbz 245223637Sbz#define PF_LOCK() do { \ 246223637Sbz PF_ASSERT(MA_NOTOWNED); \ 247223637Sbz mtx_lock(&V_pf_task_mtx); \ 248223637Sbz} while(0) 249223637Sbz#define PF_UNLOCK() do { \ 250223637Sbz PF_ASSERT(MA_OWNED); \ 251223637Sbz mtx_unlock(&V_pf_task_mtx); \ 252223637Sbz} while(0) 253223637Sbz#else 254126261Smlaierextern struct mtx pf_task_mtx; 255126261Smlaier 256223637Sbz#define PF_ASSERT(h) mtx_assert(&pf_task_mtx, (h)) 257126261Smlaier 258223637Sbz#define PF_LOCK() do { \ 259223637Sbz PF_ASSERT(MA_NOTOWNED); \ 260223637Sbz mtx_lock(&pf_task_mtx); \ 261126261Smlaier} while(0) 262223637Sbz#define PF_UNLOCK() do { \ 263223637Sbz PF_ASSERT(MA_OWNED); \ 264223637Sbz mtx_unlock(&pf_task_mtx); \ 265126261Smlaier} while(0) 266223637Sbz#endif 267126261Smlaier 268223637Sbz#define PF_COPYIN(uaddr, kaddr, len, r) do { \ 269223637Sbz PF_UNLOCK(); \ 270223637Sbz r = copyin((uaddr), (kaddr), (len)); \ 271223637Sbz PF_LOCK(); \ 272126261Smlaier} while(0) 273126261Smlaier 274223637Sbz#define PF_COPYOUT(kaddr, uaddr, len, r) do { \ 275223637Sbz PF_UNLOCK(); \ 276223637Sbz r = copyout((kaddr), (uaddr), (len)); \ 277223637Sbz PF_LOCK(); \ 278126261Smlaier} while(0) 279126261Smlaier 280126261Smlaierextern void init_pf_mutex(void); 281126261Smlaierextern void destroy_pf_mutex(void); 282126261Smlaier 283223637Sbz#define PF_MODVER 1 284223637Sbz#define PFLOG_MODVER 1 285223637Sbz#define PFSYNC_MODVER 1 286126261Smlaier 287223637Sbz#define PFLOG_MINVER 1 288223637Sbz#define PFLOG_PREFVER PFLOG_MODVER 289223637Sbz#define PFLOG_MAXVER 1 290223637Sbz#define PFSYNC_MINVER 1 291223637Sbz#define PFSYNC_PREFVER PFSYNC_MODVER 292223637Sbz#define PFSYNC_MAXVER 1 293223637Sbz#endif /* __FreeBSD__ */ 294126258Smlaier#ifdef INET 295126258Smlaier#ifndef INET6 296223637Sbz#define PF_INET_ONLY 297126258Smlaier#endif /* ! INET6 */ 298126258Smlaier#endif /* INET */ 299126258Smlaier 300126258Smlaier#ifdef INET6 301126258Smlaier#ifndef INET 302223637Sbz#define PF_INET6_ONLY 303126258Smlaier#endif /* ! INET */ 304126258Smlaier#endif /* INET6 */ 305126258Smlaier 306126258Smlaier#ifdef INET 307126258Smlaier#ifdef INET6 308223637Sbz#define PF_INET_INET6 309126258Smlaier#endif /* INET6 */ 310126258Smlaier#endif /* INET */ 311126258Smlaier 312126258Smlaier#else 313126258Smlaier 314223637Sbz#define PF_INET_INET6 315126258Smlaier 316126258Smlaier#endif /* _KERNEL */ 317126258Smlaier 318126258Smlaier/* Both IPv4 and IPv6 */ 319126258Smlaier#ifdef PF_INET_INET6 320126258Smlaier 321126258Smlaier#define PF_AEQ(a, b, c) \ 322126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 323126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 324126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 325126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 326126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 327126258Smlaier 328126258Smlaier#define PF_ANEQ(a, b, c) \ 329126258Smlaier ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 330126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 331126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 332126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 333126258Smlaier (a)->addr32[0] != (b)->addr32[0])) \ 334126258Smlaier 335126258Smlaier#define PF_AZERO(a, c) \ 336126258Smlaier ((c == AF_INET && !(a)->addr32[0]) || \ 337126258Smlaier (!(a)->addr32[0] && !(a)->addr32[1] && \ 338126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 339126258Smlaier 340126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 341126258Smlaier pf_match_addr(n, a, m, b, f) 342126258Smlaier 343126258Smlaier#define PF_ACPY(a, b, f) \ 344126258Smlaier pf_addrcpy(a, b, f) 345126258Smlaier 346126258Smlaier#define PF_AINC(a, f) \ 347126258Smlaier pf_addr_inc(a, f) 348126258Smlaier 349126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 350126258Smlaier pf_poolmask(a, b, c, d, f) 351126258Smlaier 352126258Smlaier#else 353126258Smlaier 354126258Smlaier/* Just IPv6 */ 355126258Smlaier 356126258Smlaier#ifdef PF_INET6_ONLY 357126258Smlaier 358126258Smlaier#define PF_AEQ(a, b, c) \ 359126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 360126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 361126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 362126258Smlaier (a)->addr32[0] == (b)->addr32[0]) \ 363126258Smlaier 364126258Smlaier#define PF_ANEQ(a, b, c) \ 365126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 366126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 367126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 368126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 369126258Smlaier 370126258Smlaier#define PF_AZERO(a, c) \ 371126258Smlaier (!(a)->addr32[0] && \ 372126258Smlaier !(a)->addr32[1] && \ 373126258Smlaier !(a)->addr32[2] && \ 374126258Smlaier !(a)->addr32[3] ) \ 375126258Smlaier 376126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 377126258Smlaier pf_match_addr(n, a, m, b, f) 378126258Smlaier 379126258Smlaier#define PF_ACPY(a, b, f) \ 380126258Smlaier pf_addrcpy(a, b, f) 381126258Smlaier 382126258Smlaier#define PF_AINC(a, f) \ 383126258Smlaier pf_addr_inc(a, f) 384126258Smlaier 385126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 386126258Smlaier pf_poolmask(a, b, c, d, f) 387126258Smlaier 388126258Smlaier#else 389126258Smlaier 390126258Smlaier/* Just IPv4 */ 391126258Smlaier#ifdef PF_INET_ONLY 392126258Smlaier 393126258Smlaier#define PF_AEQ(a, b, c) \ 394126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 395126258Smlaier 396126258Smlaier#define PF_ANEQ(a, b, c) \ 397126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 398126258Smlaier 399126258Smlaier#define PF_AZERO(a, c) \ 400126258Smlaier (!(a)->addr32[0]) 401126258Smlaier 402126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 403126258Smlaier pf_match_addr(n, a, m, b, f) 404126258Smlaier 405126258Smlaier#define PF_ACPY(a, b, f) \ 406126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 407126258Smlaier 408126258Smlaier#define PF_AINC(a, f) \ 409126258Smlaier do { \ 410126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 411126258Smlaier } while (0) 412126258Smlaier 413126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 414126258Smlaier do { \ 415126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 416126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 417126258Smlaier } while (0) 418126258Smlaier 419126258Smlaier#endif /* PF_INET_ONLY */ 420126258Smlaier#endif /* PF_INET6_ONLY */ 421126258Smlaier#endif /* PF_INET_INET6 */ 422126258Smlaier 423171168Smlaier#define PF_MISMATCHAW(aw, x, af, neg, ifp) \ 424171168Smlaier ( \ 425171168Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 426171168Smlaier pf_routable((x), (af), NULL)) || \ 427171168Smlaier (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \ 428171168Smlaier pf_routable((x), (af), (ifp))) || \ 429171168Smlaier ((aw)->type == PF_ADDR_RTLABEL && \ 430171168Smlaier !pf_rtlabel_match((x), (af), (aw))) || \ 431171168Smlaier ((aw)->type == PF_ADDR_TABLE && \ 432171168Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 433171168Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 434223637Sbz !pfi_match_addr((aw)->p.dyn, (x), (af))) || \ 435223637Sbz ((aw)->type == PF_ADDR_RANGE && \ 436223637Sbz !pf_match_addr_range(&(aw)->v.a.addr, \ 437223637Sbz &(aw)->v.a.mask, (x), (af))) || \ 438171168Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 439171168Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 440171168Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 441171168Smlaier &(aw)->v.a.mask, (x), (af))))) != \ 442171168Smlaier (neg) \ 443126258Smlaier ) 444126258Smlaier 445171168Smlaier 446126258Smlaierstruct pf_rule_uid { 447126258Smlaier uid_t uid[2]; 448126258Smlaier u_int8_t op; 449126258Smlaier}; 450126258Smlaier 451126258Smlaierstruct pf_rule_gid { 452126258Smlaier uid_t gid[2]; 453126258Smlaier u_int8_t op; 454126258Smlaier}; 455126258Smlaier 456126258Smlaierstruct pf_rule_addr { 457126258Smlaier struct pf_addr_wrap addr; 458126258Smlaier u_int16_t port[2]; 459145836Smlaier u_int8_t neg; 460126258Smlaier u_int8_t port_op; 461126258Smlaier}; 462126258Smlaier 463126258Smlaierstruct pf_pooladdr { 464126258Smlaier struct pf_addr_wrap addr; 465126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 466126258Smlaier char ifname[IFNAMSIZ]; 467130613Smlaier struct pfi_kif *kif; 468126258Smlaier}; 469126258Smlaier 470126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 471126258Smlaier 472126258Smlaierstruct pf_poolhashkey { 473126258Smlaier union { 474126258Smlaier u_int8_t key8[16]; 475126258Smlaier u_int16_t key16[8]; 476126258Smlaier u_int32_t key32[4]; 477126258Smlaier } pfk; /* 128-bit hash key */ 478126258Smlaier#define key8 pfk.key8 479126258Smlaier#define key16 pfk.key16 480126258Smlaier#define key32 pfk.key32 481126258Smlaier}; 482126258Smlaier 483126258Smlaierstruct pf_pool { 484126258Smlaier struct pf_palist list; 485126258Smlaier struct pf_pooladdr *cur; 486126258Smlaier struct pf_poolhashkey key; 487126258Smlaier struct pf_addr counter; 488126258Smlaier int tblidx; 489126258Smlaier u_int16_t proxy_port[2]; 490126258Smlaier u_int8_t port_op; 491126258Smlaier u_int8_t opts; 492126258Smlaier}; 493126258Smlaier 494126258Smlaier 495126258Smlaier/* A packed Operating System description for fingerprinting */ 496126258Smlaiertypedef u_int32_t pf_osfp_t; 497126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 498126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 499126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 500126258Smlaier 501126258Smlaierstruct pf_osfp_entry { 502126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 503126258Smlaier pf_osfp_t fp_os; 504126258Smlaier int fp_enflags; 505126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 506126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 507126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 508126258Smlaier#define PF_OSFP_LEN 32 509126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 510126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 511126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 512126258Smlaier}; 513126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 514126258Smlaier ((a)->fp_os == (b)->fp_os && \ 515126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 516126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 517126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 518126258Smlaier 519126258Smlaier/* handle pf_osfp_t packing */ 520126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 521126258Smlaier#define _FP_UNUSED_BITS 1 522126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 523126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 524126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 525126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 526126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 527126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 528126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 529126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 530126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 531126258Smlaier} while(0) 532126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 533126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 534126258Smlaier + _FP_SUBTYPE_BITS); \ 535126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 536126258Smlaier _FP_SUBTYPE_BITS; \ 537126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 538126258Smlaier} while(0) 539126258Smlaier 540126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 541126258Smlaiertypedef u_int64_t pf_tcpopts_t; 542126258Smlaierstruct pf_os_fingerprint { 543126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 544126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 545126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 546126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 547126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 548126258Smlaier u_int16_t fp_flags; 549126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 550126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 551126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 552126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 553126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 554126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 555126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 556126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 557126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 558126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 559126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 560126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 561126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 562126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 563171168Smlaier#define PF_OSFP_INET6 0x4000 /* IPv6 */ 564126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 565126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 566126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 567126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 568126258Smlaier/* TCP options packing */ 569126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 570126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 571126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 572126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 573126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 574126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 575126258Smlaier#define PF_OSFP_MAX_OPTS \ 576126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 577126258Smlaier / PF_OSFP_TCPOPT_BITS 578126258Smlaier 579126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 580126258Smlaier}; 581126258Smlaier 582126258Smlaierstruct pf_osfp_ioctl { 583126258Smlaier struct pf_osfp_entry fp_os; 584126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 585126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 586126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 587126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 588126258Smlaier u_int16_t fp_flags; 589126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 590126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 591126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 592126258Smlaier 593126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 594126258Smlaier}; 595126258Smlaier 596126258Smlaier 597126258Smlaierunion pf_rule_ptr { 598126258Smlaier struct pf_rule *ptr; 599126258Smlaier u_int32_t nr; 600126258Smlaier}; 601126258Smlaier 602145836Smlaier#define PF_ANCHOR_NAME_SIZE 64 603145836Smlaier 604126258Smlaierstruct pf_rule { 605126258Smlaier struct pf_rule_addr src; 606126258Smlaier struct pf_rule_addr dst; 607126258Smlaier#define PF_SKIP_IFP 0 608126258Smlaier#define PF_SKIP_DIR 1 609126258Smlaier#define PF_SKIP_AF 2 610126258Smlaier#define PF_SKIP_PROTO 3 611126258Smlaier#define PF_SKIP_SRC_ADDR 4 612126258Smlaier#define PF_SKIP_SRC_PORT 5 613126258Smlaier#define PF_SKIP_DST_ADDR 6 614126258Smlaier#define PF_SKIP_DST_PORT 7 615126258Smlaier#define PF_SKIP_COUNT 8 616126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 617126258Smlaier#define PF_RULE_LABEL_SIZE 64 618126258Smlaier char label[PF_RULE_LABEL_SIZE]; 619171168Smlaier#define PF_QNAME_SIZE 64 620126258Smlaier char ifname[IFNAMSIZ]; 621126258Smlaier char qname[PF_QNAME_SIZE]; 622126258Smlaier char pqname[PF_QNAME_SIZE]; 623171168Smlaier#define PF_TAG_NAME_SIZE 64 624126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 625126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 626126258Smlaier 627145836Smlaier char overload_tblname[PF_TABLE_NAME_SIZE]; 628145836Smlaier 629126258Smlaier TAILQ_ENTRY(pf_rule) entries; 630126258Smlaier struct pf_pool rpool; 631126258Smlaier 632126258Smlaier u_int64_t evaluations; 633171168Smlaier u_int64_t packets[2]; 634171168Smlaier u_int64_t bytes[2]; 635126258Smlaier 636130613Smlaier struct pfi_kif *kif; 637126258Smlaier struct pf_anchor *anchor; 638145836Smlaier struct pfr_ktable *overload_tbl; 639126258Smlaier 640126258Smlaier pf_osfp_t os_fingerprint; 641130613Smlaier 642171168Smlaier int rtableid; 643130613Smlaier u_int32_t timeout[PFTM_MAX]; 644223637Sbz u_int32_t states_cur; 645223637Sbz u_int32_t states_tot; 646126258Smlaier u_int32_t max_states; 647130613Smlaier u_int32_t src_nodes; 648130613Smlaier u_int32_t max_src_nodes; 649130613Smlaier u_int32_t max_src_states; 650223637Sbz u_int32_t spare1; /* netgraph */ 651145836Smlaier u_int32_t max_src_conn; 652145836Smlaier struct { 653145836Smlaier u_int32_t limit; 654145836Smlaier u_int32_t seconds; 655145836Smlaier } max_src_conn_rate; 656126258Smlaier u_int32_t qid; 657126258Smlaier u_int32_t pqid; 658126258Smlaier u_int32_t rt_listid; 659126258Smlaier u_int32_t nr; 660145836Smlaier u_int32_t prob; 661171168Smlaier uid_t cuid; 662171168Smlaier pid_t cpid; 663126258Smlaier 664126258Smlaier u_int16_t return_icmp; 665126258Smlaier u_int16_t return_icmp6; 666126258Smlaier u_int16_t max_mss; 667126258Smlaier u_int16_t tag; 668126258Smlaier u_int16_t match_tag; 669223637Sbz u_int16_t spare2; /* netgraph */ 670126258Smlaier 671126258Smlaier struct pf_rule_uid uid; 672126258Smlaier struct pf_rule_gid gid; 673126258Smlaier 674126258Smlaier u_int32_t rule_flag; 675126258Smlaier u_int8_t action; 676126258Smlaier u_int8_t direction; 677126258Smlaier u_int8_t log; 678171168Smlaier u_int8_t logif; 679126258Smlaier u_int8_t quick; 680126258Smlaier u_int8_t ifnot; 681126258Smlaier u_int8_t match_tag_not; 682126258Smlaier u_int8_t natpass; 683126258Smlaier 684126258Smlaier#define PF_STATE_NORMAL 0x1 685126258Smlaier#define PF_STATE_MODULATE 0x2 686126258Smlaier#define PF_STATE_SYNPROXY 0x3 687126258Smlaier u_int8_t keep_state; 688126258Smlaier sa_family_t af; 689126258Smlaier u_int8_t proto; 690126258Smlaier u_int8_t type; 691126258Smlaier u_int8_t code; 692126258Smlaier u_int8_t flags; 693126258Smlaier u_int8_t flagset; 694126258Smlaier u_int8_t min_ttl; 695126258Smlaier u_int8_t allow_opts; 696126258Smlaier u_int8_t rt; 697126258Smlaier u_int8_t return_ttl; 698126258Smlaier u_int8_t tos; 699223637Sbz u_int8_t set_tos; 700145836Smlaier u_int8_t anchor_relative; 701145836Smlaier u_int8_t anchor_wildcard; 702145836Smlaier 703145836Smlaier#define PF_FLUSH 0x01 704145836Smlaier#define PF_FLUSH_GLOBAL 0x02 705145836Smlaier u_int8_t flush; 706223637Sbz 707223637Sbz struct { 708223637Sbz struct pf_addr addr; 709223637Sbz u_int16_t port; 710223637Sbz } divert; 711126258Smlaier}; 712126258Smlaier 713126258Smlaier/* rule flags */ 714126258Smlaier#define PFRULE_DROP 0x0000 715126258Smlaier#define PFRULE_RETURNRST 0x0001 716126258Smlaier#define PFRULE_FRAGMENT 0x0002 717126258Smlaier#define PFRULE_RETURNICMP 0x0004 718126258Smlaier#define PFRULE_RETURN 0x0008 719130613Smlaier#define PFRULE_NOSYNC 0x0010 720130613Smlaier#define PFRULE_SRCTRACK 0x0020 /* track source states */ 721130613Smlaier#define PFRULE_RULESRCTRACK 0x0040 /* per rule */ 722126258Smlaier 723126258Smlaier/* scrub flags */ 724126258Smlaier#define PFRULE_NODF 0x0100 725126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 726126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 727126258Smlaier#define PFRULE_RANDOMID 0x0800 728126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 729223637Sbz#define PFRULE_SET_TOS 0x2000 730126258Smlaier 731130613Smlaier/* rule flags again */ 732130613Smlaier#define PFRULE_IFBOUND 0x00010000 /* if-bound */ 733200930Sdelphij#define PFRULE_STATESLOPPY 0x00020000 /* sloppy state tracking */ 734223637Sbz#define PFRULE_PFLOW 0x00040000 735130613Smlaier 736126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 737171168Smlaier#define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */ 738171168Smlaier#define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */ 739126258Smlaier 740145836Smlaier 741145836Smlaierstruct pf_threshold { 742145836Smlaier u_int32_t limit; 743145836Smlaier#define PF_THRESHOLD_MULT 1000 744145836Smlaier#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT 745145836Smlaier u_int32_t seconds; 746145836Smlaier u_int32_t count; 747145836Smlaier u_int32_t last; 748145836Smlaier}; 749145836Smlaier 750130613Smlaierstruct pf_src_node { 751130613Smlaier RB_ENTRY(pf_src_node) entry; 752130613Smlaier struct pf_addr addr; 753130613Smlaier struct pf_addr raddr; 754130613Smlaier union pf_rule_ptr rule; 755130613Smlaier struct pfi_kif *kif; 756171168Smlaier u_int64_t bytes[2]; 757171168Smlaier u_int64_t packets[2]; 758130613Smlaier u_int32_t states; 759145836Smlaier u_int32_t conn; 760145836Smlaier struct pf_threshold conn_rate; 761130613Smlaier u_int32_t creation; 762130613Smlaier u_int32_t expire; 763130613Smlaier sa_family_t af; 764130613Smlaier u_int8_t ruletype; 765130613Smlaier}; 766126258Smlaier 767130613Smlaier#define PFSNODE_HIWAT 10000 /* default source node table size */ 768130613Smlaier 769126258Smlaierstruct pf_state_scrub { 770145836Smlaier struct timeval pfss_last; /* time received last packet */ 771145836Smlaier u_int32_t pfss_tsecr; /* last echoed timestamp */ 772145836Smlaier u_int32_t pfss_tsval; /* largest timestamp */ 773145836Smlaier u_int32_t pfss_tsval0; /* original timestamp */ 774126258Smlaier u_int16_t pfss_flags; 775145836Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 776145836Smlaier#define PFSS_PAWS 0x0010 /* stricter PAWS checks */ 777145836Smlaier#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */ 778145836Smlaier#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */ 779145836Smlaier#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */ 780145836Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 781126258Smlaier u_int8_t pad; 782145836Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 783126258Smlaier}; 784126258Smlaier 785126258Smlaierstruct pf_state_host { 786126258Smlaier struct pf_addr addr; 787126258Smlaier u_int16_t port; 788126258Smlaier u_int16_t pad; 789126258Smlaier}; 790126258Smlaier 791126258Smlaierstruct pf_state_peer { 792223637Sbz struct pf_state_scrub *scrub; /* state is scrubbed */ 793126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 794126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 795126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 796126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 797223637Sbz u_int16_t mss; /* Maximum segment size option */ 798126258Smlaier u_int8_t state; /* active state level */ 799126258Smlaier u_int8_t wscale; /* window scaling factor */ 800171168Smlaier u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */ 801223637Sbz u_int8_t pad[1]; 802126258Smlaier}; 803126258Smlaier 804130613SmlaierTAILQ_HEAD(pf_state_queue, pf_state); 805130613Smlaier 806223637Sbz/* keep synced with struct pf_state_key, used in RB_FIND */ 807223637Sbzstruct pf_state_key_cmp { 808223637Sbz struct pf_addr addr[2]; 809223637Sbz u_int16_t port[2]; 810171168Smlaier sa_family_t af; 811171168Smlaier u_int8_t proto; 812223637Sbz u_int8_t pad[2]; 813171168Smlaier}; 814171168Smlaier 815223637Sbzstruct pf_state_item { 816223637Sbz TAILQ_ENTRY(pf_state_item) entry; 817223637Sbz struct pf_state *s; 818223637Sbz}; 819223637Sbz 820223637SbzTAILQ_HEAD(pf_statelisthead, pf_state_item); 821223637Sbz 822223637Sbzstruct pf_state_key { 823223637Sbz struct pf_addr addr[2]; 824223637Sbz u_int16_t port[2]; 825223637Sbz sa_family_t af; 826223637Sbz u_int8_t proto; 827223637Sbz u_int8_t pad[2]; 828223637Sbz 829223637Sbz RB_ENTRY(pf_state_key) entry; 830223637Sbz struct pf_statelisthead states; 831223637Sbz struct pf_state_key *reverse; 832223637Sbz struct inpcb *inp; 833223637Sbz}; 834223637Sbz 835223637Sbz/* keep synced with struct pf_state, used in RB_FIND */ 836223637Sbzstruct pf_state_cmp { 837223637Sbz u_int64_t id; 838223637Sbz u_int32_t creatorid; 839223637Sbz u_int8_t direction; 840223637Sbz u_int8_t pad[3]; 841223637Sbz}; 842223637Sbz 843126258Smlaierstruct pf_state { 844223637Sbz u_int64_t id; 845223637Sbz u_int32_t creatorid; 846223637Sbz u_int8_t direction; 847223637Sbz#ifdef __FreeBSD__ 848223637Sbz u_int8_t pad[2]; 849223637Sbz u_int8_t local_flags; 850223637Sbz#define PFSTATE_EXPIRING 0x01 851223637Sbz#else 852223637Sbz u_int8_t pad[3]; 853223637Sbz#endif 854223637Sbz 855223637Sbz TAILQ_ENTRY(pf_state) sync_list; 856223637Sbz TAILQ_ENTRY(pf_state) entry_list; 857223637Sbz RB_ENTRY(pf_state) entry_id; 858223637Sbz struct pf_state_peer src; 859223637Sbz struct pf_state_peer dst; 860223637Sbz union pf_rule_ptr rule; 861223637Sbz union pf_rule_ptr anchor; 862223637Sbz union pf_rule_ptr nat_rule; 863223637Sbz struct pf_addr rt_addr; 864223637Sbz struct pf_state_key *key[2]; /* addresses stack and wire */ 865223637Sbz struct pfi_kif *kif; 866223637Sbz struct pfi_kif *rt_kif; 867223637Sbz struct pf_src_node *src_node; 868223637Sbz struct pf_src_node *nat_src_node; 869223637Sbz u_int64_t packets[2]; 870223637Sbz u_int64_t bytes[2]; 871223637Sbz u_int32_t creation; 872223637Sbz u_int32_t expire; 873223637Sbz u_int32_t pfsync_time; 874223637Sbz u_int16_t tag; 875223637Sbz u_int8_t log; 876223637Sbz u_int8_t state_flags; 877223637Sbz#define PFSTATE_ALLOWOPTS 0x01 878223637Sbz#define PFSTATE_SLOPPY 0x02 879223637Sbz#define PFSTATE_PFLOW 0x04 880223637Sbz#define PFSTATE_NOSYNC 0x08 881223637Sbz#define PFSTATE_ACK 0x10 882223637Sbz u_int8_t timeout; 883223637Sbz u_int8_t sync_state; /* PFSYNC_S_x */ 884223637Sbz 885223637Sbz /* XXX */ 886223637Sbz u_int8_t sync_updates; 887223637Sbz u_int8_t _tail[3]; 888223637Sbz}; 889223637Sbz 890223637Sbz/* 891223637Sbz * Unified state structures for pulling states out of the kernel 892223637Sbz * used by pfsync(4) and the pf(4) ioctl. 893223637Sbz */ 894223637Sbzstruct pfsync_state_scrub { 895223637Sbz u_int16_t pfss_flags; 896223637Sbz u_int8_t pfss_ttl; /* stashed TTL */ 897223637Sbz#define PFSYNC_SCRUB_FLAG_VALID 0x01 898223637Sbz u_int8_t scrub_flag; 899223637Sbz u_int32_t pfss_ts_mod; /* timestamp modulation */ 900223637Sbz} __packed; 901223637Sbz 902223637Sbzstruct pfsync_state_peer { 903223637Sbz struct pfsync_state_scrub scrub; /* state is scrubbed */ 904223637Sbz u_int32_t seqlo; /* Max sequence number sent */ 905223637Sbz u_int32_t seqhi; /* Max the other end ACKd + win */ 906223637Sbz u_int32_t seqdiff; /* Sequence number modulator */ 907223637Sbz u_int16_t max_win; /* largest window (pre scaling) */ 908223637Sbz u_int16_t mss; /* Maximum segment size option */ 909223637Sbz u_int8_t state; /* active state level */ 910223637Sbz u_int8_t wscale; /* window scaling factor */ 911223637Sbz u_int8_t pad[6]; 912223637Sbz} __packed; 913223637Sbz 914223637Sbzstruct pfsync_state_key { 915223637Sbz struct pf_addr addr[2]; 916223637Sbz u_int16_t port[2]; 917223637Sbz}; 918223637Sbz 919223637Sbzstruct pfsync_state { 920223637Sbz u_int32_t id[2]; 921223637Sbz char ifname[IFNAMSIZ]; 922223637Sbz struct pfsync_state_key key[2]; 923223637Sbz struct pfsync_state_peer src; 924223637Sbz struct pfsync_state_peer dst; 925223637Sbz struct pf_addr rt_addr; 926223637Sbz u_int32_t rule; 927223637Sbz u_int32_t anchor; 928223637Sbz u_int32_t nat_rule; 929223637Sbz u_int32_t creation; 930223637Sbz u_int32_t expire; 931223637Sbz u_int32_t packets[2][2]; 932223637Sbz u_int32_t bytes[2][2]; 933171168Smlaier u_int32_t creatorid; 934171168Smlaier sa_family_t af; 935171168Smlaier u_int8_t proto; 936171168Smlaier u_int8_t direction; 937171168Smlaier#ifdef __FreeBSD__ 938171168Smlaier u_int8_t local_flags; 939223637Sbz#define PFSTATE_EXPIRING 0x01 940171168Smlaier u_int8_t pad; 941171168Smlaier#endif 942171168Smlaier u_int8_t log; 943200930Sdelphij u_int8_t state_flags; 944171168Smlaier u_int8_t timeout; 945171168Smlaier u_int8_t sync_flags; 946223637Sbz u_int8_t updates; 947223637Sbz} __packed; 948126258Smlaier 949223637Sbz#ifdef __FreeBSD__ 950223637Sbz#ifdef _KERNEL 951223637Sbz/* pfsync */ 952223637Sbztypedef int pfsync_state_import_t(struct pfsync_state *, u_int8_t); 953223637Sbztypedef void pfsync_insert_state_t(struct pf_state *); 954223637Sbztypedef void pfsync_update_state_t(struct pf_state *); 955223637Sbztypedef void pfsync_delete_state_t(struct pf_state *); 956223637Sbztypedef void pfsync_clear_states_t(u_int32_t, const char *); 957223637Sbztypedef int pfsync_state_in_use_t(struct pf_state *); 958223637Sbztypedef int pfsync_defer_t(struct pf_state *, struct mbuf *); 959223637Sbztypedef int pfsync_up_t(void); 960223637Sbz 961223637Sbzextern pfsync_state_import_t *pfsync_state_import_ptr; 962223637Sbzextern pfsync_insert_state_t *pfsync_insert_state_ptr; 963223637Sbzextern pfsync_update_state_t *pfsync_update_state_ptr; 964223637Sbzextern pfsync_delete_state_t *pfsync_delete_state_ptr; 965223637Sbzextern pfsync_clear_states_t *pfsync_clear_states_ptr; 966223637Sbzextern pfsync_state_in_use_t *pfsync_state_in_use_ptr; 967223637Sbzextern pfsync_defer_t *pfsync_defer_ptr; 968223637Sbzextern pfsync_up_t *pfsync_up_ptr; 969223637Sbz 970223637Sbzvoid pfsync_state_export(struct pfsync_state *, 971223637Sbz struct pf_state *); 972223637Sbz 973223637Sbz/* pflow */ 974223637Sbztypedef int export_pflow_t(struct pf_state *); 975223637Sbz 976223637Sbzextern export_pflow_t *export_pflow_ptr; 977223637Sbz 978223637Sbz/* pflog */ 979223637Sbzstruct pf_ruleset; 980223637Sbzstruct pf_pdesc; 981223637Sbztypedef int pflog_packet_t(struct pfi_kif *, struct mbuf *, sa_family_t, 982223637Sbz u_int8_t, u_int8_t, struct pf_rule *, struct pf_rule *, 983223637Sbz struct pf_ruleset *, struct pf_pdesc *); 984223637Sbz 985223637Sbzextern pflog_packet_t *pflog_packet_ptr; 986223637Sbz 987223637Sbz/* pf uid hack */ 988223637SbzVNET_DECLARE(int, debug_pfugidhack); 989223637Sbz#define V_debug_pfugidhack VNET(debug_pfugidhack) 990223637Sbz 991223637Sbz#define V_pf_end_threads VNET(pf_end_threads) 992223637Sbz#endif 993223637Sbz 994223637Sbz/* Macros to set/clear/test flags. */ 995223637Sbz#ifdef _KERNEL 996223637Sbz#define SET(t, f) ((t) |= (f)) 997223637Sbz#define CLR(t, f) ((t) &= ~(f)) 998223637Sbz#define ISSET(t, f) ((t) & (f)) 999223637Sbz#endif 1000223637Sbz#endif 1001223637Sbz 1002223637Sbz#define PFSYNC_FLAG_SRCNODE 0x04 1003223637Sbz#define PFSYNC_FLAG_NATSRCNODE 0x08 1004223637Sbz 1005223637Sbz/* for copies to/from network byte order */ 1006223637Sbz/* ioctl interface also uses network byte order */ 1007223637Sbz#define pf_state_peer_hton(s,d) do { \ 1008223637Sbz (d)->seqlo = htonl((s)->seqlo); \ 1009223637Sbz (d)->seqhi = htonl((s)->seqhi); \ 1010223637Sbz (d)->seqdiff = htonl((s)->seqdiff); \ 1011223637Sbz (d)->max_win = htons((s)->max_win); \ 1012223637Sbz (d)->mss = htons((s)->mss); \ 1013223637Sbz (d)->state = (s)->state; \ 1014223637Sbz (d)->wscale = (s)->wscale; \ 1015223637Sbz if ((s)->scrub) { \ 1016223637Sbz (d)->scrub.pfss_flags = \ 1017223637Sbz htons((s)->scrub->pfss_flags & PFSS_TIMESTAMP); \ 1018223637Sbz (d)->scrub.pfss_ttl = (s)->scrub->pfss_ttl; \ 1019223637Sbz (d)->scrub.pfss_ts_mod = htonl((s)->scrub->pfss_ts_mod);\ 1020223637Sbz (d)->scrub.scrub_flag = PFSYNC_SCRUB_FLAG_VALID; \ 1021223637Sbz } \ 1022223637Sbz} while (0) 1023223637Sbz 1024223637Sbz#define pf_state_peer_ntoh(s,d) do { \ 1025223637Sbz (d)->seqlo = ntohl((s)->seqlo); \ 1026223637Sbz (d)->seqhi = ntohl((s)->seqhi); \ 1027223637Sbz (d)->seqdiff = ntohl((s)->seqdiff); \ 1028223637Sbz (d)->max_win = ntohs((s)->max_win); \ 1029223637Sbz (d)->mss = ntohs((s)->mss); \ 1030223637Sbz (d)->state = (s)->state; \ 1031223637Sbz (d)->wscale = (s)->wscale; \ 1032223637Sbz if ((s)->scrub.scrub_flag == PFSYNC_SCRUB_FLAG_VALID && \ 1033223637Sbz (d)->scrub != NULL) { \ 1034223637Sbz (d)->scrub->pfss_flags = \ 1035223637Sbz ntohs((s)->scrub.pfss_flags) & PFSS_TIMESTAMP; \ 1036223637Sbz (d)->scrub->pfss_ttl = (s)->scrub.pfss_ttl; \ 1037223637Sbz (d)->scrub->pfss_ts_mod = ntohl((s)->scrub.pfss_ts_mod);\ 1038223637Sbz } \ 1039223637Sbz} while (0) 1040223637Sbz 1041223637Sbz#define pf_state_counter_hton(s,d) do { \ 1042223637Sbz d[0] = htonl((s>>32)&0xffffffff); \ 1043223637Sbz d[1] = htonl(s&0xffffffff); \ 1044223637Sbz} while (0) 1045223637Sbz 1046223637Sbz#define pf_state_counter_from_pfsync(s) \ 1047223637Sbz (((u_int64_t)(s[0])<<32) | (u_int64_t)(s[1])) 1048223637Sbz 1049223637Sbz#define pf_state_counter_ntoh(s,d) do { \ 1050223637Sbz d = ntohl(s[0]); \ 1051223637Sbz d = d<<32; \ 1052223637Sbz d += ntohl(s[1]); \ 1053223637Sbz} while (0) 1054223637Sbz 1055126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 1056126258Smlaier 1057126258Smlaierstruct pf_anchor; 1058126258Smlaier 1059126258Smlaierstruct pf_ruleset { 1060126258Smlaier struct { 1061126258Smlaier struct pf_rulequeue queues[2]; 1062126258Smlaier struct { 1063126258Smlaier struct pf_rulequeue *ptr; 1064171168Smlaier struct pf_rule **ptr_array; 1065171168Smlaier u_int32_t rcount; 1066126258Smlaier u_int32_t ticket; 1067130613Smlaier int open; 1068126258Smlaier } active, inactive; 1069126258Smlaier } rules[PF_RULESET_MAX]; 1070126258Smlaier struct pf_anchor *anchor; 1071126258Smlaier u_int32_t tticket; 1072126258Smlaier int tables; 1073126258Smlaier int topen; 1074126258Smlaier}; 1075126258Smlaier 1076145836SmlaierRB_HEAD(pf_anchor_global, pf_anchor); 1077145836SmlaierRB_HEAD(pf_anchor_node, pf_anchor); 1078126258Smlaierstruct pf_anchor { 1079145836Smlaier RB_ENTRY(pf_anchor) entry_global; 1080145836Smlaier RB_ENTRY(pf_anchor) entry_node; 1081145836Smlaier struct pf_anchor *parent; 1082145836Smlaier struct pf_anchor_node children; 1083126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1084145836Smlaier char path[MAXPATHLEN]; 1085145836Smlaier struct pf_ruleset ruleset; 1086145836Smlaier int refcnt; /* anchor rules */ 1087171168Smlaier int match; 1088126258Smlaier}; 1089145836SmlaierRB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare); 1090145836SmlaierRB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare); 1091126258Smlaier 1092130613Smlaier#define PF_RESERVED_ANCHOR "_pf" 1093130613Smlaier 1094126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 1095126258Smlaier#define PFR_TFLAG_CONST 0x00000002 1096126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 1097126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 1098126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 1099126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 1100223637Sbz#define PFR_TFLAG_COUNTERS 0x00000040 1101223637Sbz/* Adjust masks below when adding flags. */ 1102223637Sbz#define PFR_TFLAG_USRMASK 0x00000043 1103126258Smlaier#define PFR_TFLAG_SETMASK 0x0000003C 1104223637Sbz#define PFR_TFLAG_ALLMASK 0x0000007F 1105126258Smlaier 1106126258Smlaierstruct pfr_table { 1107145836Smlaier char pfrt_anchor[MAXPATHLEN]; 1108126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 1109126258Smlaier u_int32_t pfrt_flags; 1110126258Smlaier u_int8_t pfrt_fback; 1111126258Smlaier}; 1112126258Smlaier 1113126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 1114126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 1115223637Sbz PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_NOCOUNT, PFR_FB_MAX }; 1116126258Smlaier 1117126258Smlaierstruct pfr_addr { 1118126258Smlaier union { 1119126258Smlaier struct in_addr _pfra_ip4addr; 1120126258Smlaier struct in6_addr _pfra_ip6addr; 1121126258Smlaier } pfra_u; 1122126258Smlaier u_int8_t pfra_af; 1123126258Smlaier u_int8_t pfra_net; 1124126258Smlaier u_int8_t pfra_not; 1125126258Smlaier u_int8_t pfra_fback; 1126126258Smlaier}; 1127126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 1128126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 1129126258Smlaier 1130126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 1131126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 1132126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 1133126258Smlaier 1134126258Smlaierstruct pfr_astats { 1135126258Smlaier struct pfr_addr pfras_a; 1136126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1137126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1138126258Smlaier long pfras_tzero; 1139126258Smlaier}; 1140126258Smlaier 1141126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 1142126258Smlaier 1143126258Smlaierstruct pfr_tstats { 1144126258Smlaier struct pfr_table pfrts_t; 1145126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 1146126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 1147126258Smlaier u_int64_t pfrts_match; 1148126258Smlaier u_int64_t pfrts_nomatch; 1149126258Smlaier long pfrts_tzero; 1150126258Smlaier int pfrts_cnt; 1151126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 1152126258Smlaier}; 1153126258Smlaier#define pfrts_name pfrts_t.pfrt_name 1154126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 1155126258Smlaier 1156135615Smlaier#ifndef _SOCKADDR_UNION_DEFINED 1157135615Smlaier#define _SOCKADDR_UNION_DEFINED 1158135615Smlaierunion sockaddr_union { 1159135615Smlaier struct sockaddr sa; 1160135615Smlaier struct sockaddr_in sin; 1161135615Smlaier struct sockaddr_in6 sin6; 1162135615Smlaier}; 1163135615Smlaier#endif /* _SOCKADDR_UNION_DEFINED */ 1164135615Smlaier 1165223637Sbzstruct pfr_kcounters { 1166223637Sbz u_int64_t pfrkc_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1167223637Sbz u_int64_t pfrkc_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 1168223637Sbz}; 1169223637Sbz 1170126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 1171126258Smlaierstruct pfr_kentry { 1172126258Smlaier struct radix_node pfrke_node[2]; 1173126258Smlaier union sockaddr_union pfrke_sa; 1174126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 1175223637Sbz union { 1176223637Sbz 1177223637Sbz struct pfr_kcounters *pfrke_counters; 1178223637Sbz#if 0 1179223637Sbz struct pfr_kroute *pfrke_route; 1180223637Sbz#endif 1181223637Sbz } u; 1182126258Smlaier long pfrke_tzero; 1183126258Smlaier u_int8_t pfrke_af; 1184126258Smlaier u_int8_t pfrke_net; 1185126258Smlaier u_int8_t pfrke_not; 1186126258Smlaier u_int8_t pfrke_mark; 1187126258Smlaier}; 1188223637Sbz#define pfrke_counters u.pfrke_counters 1189223637Sbz#define pfrke_route u.pfrke_route 1190126258Smlaier 1191223637Sbz 1192126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 1193126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 1194126258Smlaierstruct pfr_ktable { 1195126258Smlaier struct pfr_tstats pfrkt_ts; 1196126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 1197126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 1198126258Smlaier struct radix_node_head *pfrkt_ip4; 1199126258Smlaier struct radix_node_head *pfrkt_ip6; 1200126258Smlaier struct pfr_ktable *pfrkt_shadow; 1201126258Smlaier struct pfr_ktable *pfrkt_root; 1202126258Smlaier struct pf_ruleset *pfrkt_rs; 1203130613Smlaier long pfrkt_larg; 1204126258Smlaier int pfrkt_nflags; 1205126258Smlaier}; 1206126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 1207126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 1208130613Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 1209130613Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 1210126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 1211126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 1212126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 1213126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 1214126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 1215126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 1216126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 1217126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 1218126258Smlaier 1219223637SbzRB_HEAD(pf_state_tree, pf_state_key); 1220223637SbzRB_PROTOTYPE(pf_state_tree, pf_state_key, entry, pf_state_compare_key); 1221130613Smlaier 1222223637SbzRB_HEAD(pf_state_tree_ext_gwy, pf_state_key); 1223223637SbzRB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state_key, 1224223637Sbz entry_ext_gwy, pf_state_compare_ext_gwy); 1225130613Smlaier 1226171168SmlaierRB_HEAD(pfi_ifhead, pfi_kif); 1227171168Smlaier 1228223637Sbz/* state tables */ 1229223637Sbz#ifdef __FreeBSD__ 1230223637Sbz#ifdef _KERNEL 1231223637SbzVNET_DECLARE(struct pf_state_tree, pf_statetbl); 1232223637Sbz#define V_pf_statetbl VNET(pf_statetbl) 1233223637Sbz#endif 1234223637Sbz#else 1235223637Sbzextern struct pf_state_tree pf_statetbl; 1236223637Sbz#endif 1237223637Sbz 1238171168Smlaier/* keep synced with pfi_kif, used in RB_FIND */ 1239171168Smlaierstruct pfi_kif_cmp { 1240171168Smlaier char pfik_name[IFNAMSIZ]; 1241130613Smlaier}; 1242130613Smlaier 1243130613Smlaierstruct pfi_kif { 1244171168Smlaier char pfik_name[IFNAMSIZ]; 1245130613Smlaier RB_ENTRY(pfi_kif) pfik_tree; 1246171168Smlaier u_int64_t pfik_packets[2][2][2]; 1247171168Smlaier u_int64_t pfik_bytes[2][2][2]; 1248171168Smlaier u_int32_t pfik_tzero; 1249171168Smlaier int pfik_flags; 1250130613Smlaier void *pfik_ah_cookie; 1251130613Smlaier struct ifnet *pfik_ifp; 1252171168Smlaier struct ifg_group *pfik_group; 1253130613Smlaier int pfik_states; 1254130613Smlaier int pfik_rules; 1255171168Smlaier TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs; 1256130613Smlaier}; 1257130613Smlaier 1258171168Smlaierenum pfi_kif_refs { 1259171168Smlaier PFI_KIF_REF_NONE, 1260171168Smlaier PFI_KIF_REF_STATE, 1261171168Smlaier PFI_KIF_REF_RULE 1262171168Smlaier}; 1263171168Smlaier 1264145836Smlaier#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */ 1265130613Smlaier 1266126258Smlaierstruct pf_pdesc { 1267171168Smlaier struct { 1268171168Smlaier int done; 1269171168Smlaier uid_t uid; 1270171168Smlaier gid_t gid; 1271171168Smlaier pid_t pid; 1272171168Smlaier } lookup; 1273126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 1274126258Smlaier union { 1275126258Smlaier struct tcphdr *tcp; 1276126258Smlaier struct udphdr *udp; 1277126258Smlaier struct icmp *icmp; 1278126258Smlaier#ifdef INET6 1279126258Smlaier struct icmp6_hdr *icmp6; 1280126258Smlaier#endif /* INET6 */ 1281126258Smlaier void *any; 1282126258Smlaier } hdr; 1283223637Sbz 1284130613Smlaier struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */ 1285145836Smlaier struct ether_header 1286145836Smlaier *eh; 1287223637Sbz struct pf_addr *src; /* src address */ 1288223637Sbz struct pf_addr *dst; /* dst address */ 1289223637Sbz u_int16_t *sport; 1290223637Sbz u_int16_t *dport; 1291223637Sbz#ifdef __FreeBSD__ 1292171168Smlaier struct pf_mtag *pf_mtag; 1293223637Sbz#endif 1294223637Sbz 1295223637Sbz u_int32_t p_len; /* total length of payload */ 1296223637Sbz 1297126258Smlaier u_int16_t *ip_sum; 1298223637Sbz u_int16_t *proto_sum; 1299126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 1300126258Smlaier * state code. Easier than tags */ 1301126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 1302145836Smlaier#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */ 1303126258Smlaier sa_family_t af; 1304126258Smlaier u_int8_t proto; 1305126258Smlaier u_int8_t tos; 1306223637Sbz u_int8_t dir; /* direction */ 1307223637Sbz u_int8_t sidx; /* key index for source */ 1308223637Sbz u_int8_t didx; /* key index for destination */ 1309126258Smlaier}; 1310126258Smlaier 1311126258Smlaier/* flags for RDR options */ 1312126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 1313126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 1314126258Smlaier 1315126258Smlaier/* Reasons code for passing/dropping a packet */ 1316126258Smlaier#define PFRES_MATCH 0 /* Explicit match of a rule */ 1317126258Smlaier#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 1318126258Smlaier#define PFRES_FRAG 2 /* Dropping following fragment */ 1319126258Smlaier#define PFRES_SHORT 3 /* Dropping short packet */ 1320126258Smlaier#define PFRES_NORM 4 /* Dropping by normalizer */ 1321126258Smlaier#define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 1322145836Smlaier#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */ 1323145836Smlaier#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */ 1324145836Smlaier#define PFRES_IPOPTIONS 8 /* IP option */ 1325145836Smlaier#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */ 1326145836Smlaier#define PFRES_BADSTATE 10 /* State mismatch */ 1327145836Smlaier#define PFRES_STATEINS 11 /* State insertion failure */ 1328145836Smlaier#define PFRES_MAXSTATES 12 /* State limit */ 1329145836Smlaier#define PFRES_SRCLIMIT 13 /* Source node/conn limit */ 1330145836Smlaier#define PFRES_SYNPROXY 14 /* SYN proxy */ 1331145836Smlaier#define PFRES_MAX 15 /* total+1 */ 1332126258Smlaier 1333126258Smlaier#define PFRES_NAMES { \ 1334126258Smlaier "match", \ 1335126258Smlaier "bad-offset", \ 1336126258Smlaier "fragment", \ 1337126258Smlaier "short", \ 1338126258Smlaier "normalize", \ 1339126258Smlaier "memory", \ 1340145836Smlaier "bad-timestamp", \ 1341145836Smlaier "congestion", \ 1342145836Smlaier "ip-option", \ 1343145836Smlaier "proto-cksum", \ 1344145836Smlaier "state-mismatch", \ 1345145836Smlaier "state-insert", \ 1346145836Smlaier "state-limit", \ 1347145836Smlaier "src-limit", \ 1348145836Smlaier "synproxy", \ 1349126258Smlaier NULL \ 1350126258Smlaier} 1351126258Smlaier 1352145836Smlaier/* Counters for other things we want to keep track of */ 1353145836Smlaier#define LCNT_STATES 0 /* states */ 1354145836Smlaier#define LCNT_SRCSTATES 1 /* max-src-states */ 1355145836Smlaier#define LCNT_SRCNODES 2 /* max-src-nodes */ 1356145836Smlaier#define LCNT_SRCCONN 3 /* max-src-conn */ 1357145836Smlaier#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */ 1358145836Smlaier#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */ 1359145836Smlaier#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */ 1360145836Smlaier#define LCNT_MAX 7 /* total+1 */ 1361145836Smlaier 1362145836Smlaier#define LCNT_NAMES { \ 1363145836Smlaier "max states per rule", \ 1364145836Smlaier "max-src-states", \ 1365145836Smlaier "max-src-nodes", \ 1366145836Smlaier "max-src-conn", \ 1367145836Smlaier "max-src-conn-rate", \ 1368145836Smlaier "overload table insertion", \ 1369145836Smlaier "overload flush states", \ 1370145836Smlaier NULL \ 1371145836Smlaier} 1372145836Smlaier 1373126258Smlaier/* UDP state enumeration */ 1374126258Smlaier#define PFUDPS_NO_TRAFFIC 0 1375126258Smlaier#define PFUDPS_SINGLE 1 1376126258Smlaier#define PFUDPS_MULTIPLE 2 1377126258Smlaier 1378126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 1379126258Smlaier 1380126258Smlaier#define PFUDPS_NAMES { \ 1381126258Smlaier "NO_TRAFFIC", \ 1382126258Smlaier "SINGLE", \ 1383126258Smlaier "MULTIPLE", \ 1384126258Smlaier NULL \ 1385126258Smlaier} 1386126258Smlaier 1387126258Smlaier/* Other protocol state enumeration */ 1388126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 1389126258Smlaier#define PFOTHERS_SINGLE 1 1390126258Smlaier#define PFOTHERS_MULTIPLE 2 1391126258Smlaier 1392126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 1393126258Smlaier 1394126258Smlaier#define PFOTHERS_NAMES { \ 1395126258Smlaier "NO_TRAFFIC", \ 1396126258Smlaier "SINGLE", \ 1397126258Smlaier "MULTIPLE", \ 1398126258Smlaier NULL \ 1399126258Smlaier} 1400126258Smlaier 1401126258Smlaier#define FCNT_STATE_SEARCH 0 1402126258Smlaier#define FCNT_STATE_INSERT 1 1403126258Smlaier#define FCNT_STATE_REMOVALS 2 1404126258Smlaier#define FCNT_MAX 3 1405126258Smlaier 1406130613Smlaier#define SCNT_SRC_NODE_SEARCH 0 1407130613Smlaier#define SCNT_SRC_NODE_INSERT 1 1408130613Smlaier#define SCNT_SRC_NODE_REMOVALS 2 1409130613Smlaier#define SCNT_MAX 3 1410126258Smlaier 1411126258Smlaier#define ACTION_SET(a, x) \ 1412126258Smlaier do { \ 1413126258Smlaier if ((a) != NULL) \ 1414126258Smlaier *(a) = (x); \ 1415126258Smlaier } while (0) 1416126258Smlaier 1417223637Sbz#ifdef __FreeBSD__ 1418126258Smlaier#define REASON_SET(a, x) \ 1419126258Smlaier do { \ 1420126258Smlaier if ((a) != NULL) \ 1421126258Smlaier *(a) = (x); \ 1422126258Smlaier if (x < PFRES_MAX) \ 1423223637Sbz V_pf_status.counters[x]++; \ 1424223637Sbz } while (0) 1425223637Sbz#else 1426223637Sbz#define REASON_SET(a, x) \ 1427223637Sbz do { \ 1428223637Sbz if ((a) != NULL) \ 1429223637Sbz *(a) = (x); \ 1430223637Sbz if (x < PFRES_MAX) \ 1431126258Smlaier pf_status.counters[x]++; \ 1432126258Smlaier } while (0) 1433223637Sbz#endif 1434126258Smlaier 1435126258Smlaierstruct pf_status { 1436126258Smlaier u_int64_t counters[PFRES_MAX]; 1437145836Smlaier u_int64_t lcounters[LCNT_MAX]; /* limit counters */ 1438126258Smlaier u_int64_t fcounters[FCNT_MAX]; 1439130613Smlaier u_int64_t scounters[SCNT_MAX]; 1440126258Smlaier u_int64_t pcounters[2][2][3]; 1441126258Smlaier u_int64_t bcounters[2][2]; 1442130613Smlaier u_int64_t stateid; 1443126258Smlaier u_int32_t running; 1444126258Smlaier u_int32_t states; 1445130613Smlaier u_int32_t src_nodes; 1446126258Smlaier u_int32_t since; 1447126258Smlaier u_int32_t debug; 1448130613Smlaier u_int32_t hostid; 1449126258Smlaier char ifname[IFNAMSIZ]; 1450171168Smlaier u_int8_t pf_chksum[PF_MD5_DIGEST_LENGTH]; 1451126258Smlaier}; 1452126258Smlaier 1453126258Smlaierstruct cbq_opts { 1454126258Smlaier u_int minburst; 1455126258Smlaier u_int maxburst; 1456126258Smlaier u_int pktsize; 1457126258Smlaier u_int maxpktsize; 1458126258Smlaier u_int ns_per_byte; 1459126258Smlaier u_int maxidle; 1460126258Smlaier int minidle; 1461126258Smlaier u_int offtime; 1462126258Smlaier int flags; 1463126258Smlaier}; 1464126258Smlaier 1465126258Smlaierstruct priq_opts { 1466126258Smlaier int flags; 1467126258Smlaier}; 1468126258Smlaier 1469126258Smlaierstruct hfsc_opts { 1470126258Smlaier /* real-time service curve */ 1471126258Smlaier u_int rtsc_m1; /* slope of the 1st segment in bps */ 1472126258Smlaier u_int rtsc_d; /* the x-projection of m1 in msec */ 1473126258Smlaier u_int rtsc_m2; /* slope of the 2nd segment in bps */ 1474126258Smlaier /* link-sharing service curve */ 1475126258Smlaier u_int lssc_m1; 1476126258Smlaier u_int lssc_d; 1477126258Smlaier u_int lssc_m2; 1478126258Smlaier /* upper-limit service curve */ 1479126258Smlaier u_int ulsc_m1; 1480126258Smlaier u_int ulsc_d; 1481126258Smlaier u_int ulsc_m2; 1482126258Smlaier int flags; 1483126258Smlaier}; 1484126258Smlaier 1485126258Smlaierstruct pf_altq { 1486126258Smlaier char ifname[IFNAMSIZ]; 1487126258Smlaier 1488126258Smlaier void *altq_disc; /* discipline-specific state */ 1489126258Smlaier TAILQ_ENTRY(pf_altq) entries; 1490126258Smlaier 1491126258Smlaier /* scheduler spec */ 1492126258Smlaier u_int8_t scheduler; /* scheduler type */ 1493126258Smlaier u_int16_t tbrsize; /* tokenbucket regulator size */ 1494126258Smlaier u_int32_t ifbandwidth; /* interface bandwidth */ 1495126258Smlaier 1496126258Smlaier /* queue spec */ 1497126258Smlaier char qname[PF_QNAME_SIZE]; /* queue name */ 1498126258Smlaier char parent[PF_QNAME_SIZE]; /* parent name */ 1499126258Smlaier u_int32_t parent_qid; /* parent queue id */ 1500126258Smlaier u_int32_t bandwidth; /* queue bandwidth */ 1501126258Smlaier u_int8_t priority; /* priority */ 1502177700Smlaier#ifdef __FreeBSD__ 1503177700Smlaier u_int8_t local_flags; /* dynamic interface */ 1504177700Smlaier#define PFALTQ_FLAG_IF_REMOVED 0x01 1505177700Smlaier#endif 1506126258Smlaier u_int16_t qlimit; /* queue size limit */ 1507126258Smlaier u_int16_t flags; /* misc flags */ 1508126258Smlaier union { 1509126258Smlaier struct cbq_opts cbq_opts; 1510126258Smlaier struct priq_opts priq_opts; 1511126258Smlaier struct hfsc_opts hfsc_opts; 1512126258Smlaier } pq_u; 1513126258Smlaier 1514126258Smlaier u_int32_t qid; /* return value */ 1515126258Smlaier}; 1516126258Smlaier 1517126258Smlaierstruct pf_tagname { 1518126258Smlaier TAILQ_ENTRY(pf_tagname) entries; 1519126258Smlaier char name[PF_TAG_NAME_SIZE]; 1520126258Smlaier u_int16_t tag; 1521126258Smlaier int ref; 1522126258Smlaier}; 1523126258Smlaier 1524223637Sbzstruct pf_divert { 1525223637Sbz union { 1526223637Sbz struct in_addr ipv4; 1527223637Sbz struct in6_addr ipv6; 1528223637Sbz } addr; 1529223637Sbz u_int16_t port; 1530223637Sbz}; 1531223637Sbz 1532126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 1533126258Smlaier#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */ 1534126258Smlaier#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */ 1535126258Smlaier#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */ 1536126258Smlaier 1537171168Smlaier#define PFR_KTABLE_HIWAT 1000 /* Number of tables */ 1538171168Smlaier#define PFR_KENTRY_HIWAT 200000 /* Number of table entries */ 1539171168Smlaier#define PFR_KENTRY_HIWAT_SMALL 100000 /* Number of table entries (tiny hosts) */ 1540171168Smlaier 1541126258Smlaier/* 1542126258Smlaier * ioctl parameter structures 1543126258Smlaier */ 1544126258Smlaier 1545126258Smlaierstruct pfioc_pooladdr { 1546126258Smlaier u_int32_t action; 1547126258Smlaier u_int32_t ticket; 1548126258Smlaier u_int32_t nr; 1549126258Smlaier u_int32_t r_num; 1550126258Smlaier u_int8_t r_action; 1551126258Smlaier u_int8_t r_last; 1552126258Smlaier u_int8_t af; 1553145836Smlaier char anchor[MAXPATHLEN]; 1554126258Smlaier struct pf_pooladdr addr; 1555126258Smlaier}; 1556126258Smlaier 1557126258Smlaierstruct pfioc_rule { 1558126258Smlaier u_int32_t action; 1559126258Smlaier u_int32_t ticket; 1560126258Smlaier u_int32_t pool_ticket; 1561126258Smlaier u_int32_t nr; 1562145836Smlaier char anchor[MAXPATHLEN]; 1563145836Smlaier char anchor_call[MAXPATHLEN]; 1564126258Smlaier struct pf_rule rule; 1565126258Smlaier}; 1566126258Smlaier 1567126258Smlaierstruct pfioc_natlook { 1568126258Smlaier struct pf_addr saddr; 1569126258Smlaier struct pf_addr daddr; 1570126258Smlaier struct pf_addr rsaddr; 1571126258Smlaier struct pf_addr rdaddr; 1572126258Smlaier u_int16_t sport; 1573126258Smlaier u_int16_t dport; 1574126258Smlaier u_int16_t rsport; 1575126258Smlaier u_int16_t rdport; 1576126258Smlaier sa_family_t af; 1577126258Smlaier u_int8_t proto; 1578126258Smlaier u_int8_t direction; 1579126258Smlaier}; 1580126258Smlaier 1581126258Smlaierstruct pfioc_state { 1582223637Sbz struct pfsync_state state; 1583126258Smlaier}; 1584126258Smlaier 1585171168Smlaierstruct pfioc_src_node_kill { 1586171168Smlaier sa_family_t psnk_af; 1587171168Smlaier struct pf_rule_addr psnk_src; 1588171168Smlaier struct pf_rule_addr psnk_dst; 1589223637Sbz u_int psnk_killed; 1590171168Smlaier}; 1591171168Smlaier 1592126258Smlaierstruct pfioc_state_kill { 1593223637Sbz struct pf_state_cmp psk_pfcmp; 1594126258Smlaier sa_family_t psk_af; 1595126258Smlaier int psk_proto; 1596126258Smlaier struct pf_rule_addr psk_src; 1597126258Smlaier struct pf_rule_addr psk_dst; 1598130613Smlaier char psk_ifname[IFNAMSIZ]; 1599223637Sbz char psk_label[PF_RULE_LABEL_SIZE]; 1600223637Sbz u_int psk_killed; 1601126258Smlaier}; 1602126258Smlaier 1603126258Smlaierstruct pfioc_states { 1604126258Smlaier int ps_len; 1605126258Smlaier union { 1606223637Sbz caddr_t psu_buf; 1607223637Sbz struct pfsync_state *psu_states; 1608126258Smlaier } ps_u; 1609126258Smlaier#define ps_buf ps_u.psu_buf 1610126258Smlaier#define ps_states ps_u.psu_states 1611126258Smlaier}; 1612126258Smlaier 1613130613Smlaierstruct pfioc_src_nodes { 1614130613Smlaier int psn_len; 1615130613Smlaier union { 1616130613Smlaier caddr_t psu_buf; 1617130613Smlaier struct pf_src_node *psu_src_nodes; 1618130613Smlaier } psn_u; 1619130613Smlaier#define psn_buf psn_u.psu_buf 1620130613Smlaier#define psn_src_nodes psn_u.psu_src_nodes 1621130613Smlaier}; 1622130613Smlaier 1623126258Smlaierstruct pfioc_if { 1624126258Smlaier char ifname[IFNAMSIZ]; 1625126258Smlaier}; 1626126258Smlaier 1627126258Smlaierstruct pfioc_tm { 1628126258Smlaier int timeout; 1629126258Smlaier int seconds; 1630126258Smlaier}; 1631126258Smlaier 1632126258Smlaierstruct pfioc_limit { 1633126258Smlaier int index; 1634126258Smlaier unsigned limit; 1635126258Smlaier}; 1636126258Smlaier 1637126258Smlaierstruct pfioc_altq { 1638126258Smlaier u_int32_t action; 1639126258Smlaier u_int32_t ticket; 1640126258Smlaier u_int32_t nr; 1641126258Smlaier struct pf_altq altq; 1642126258Smlaier}; 1643126258Smlaier 1644126258Smlaierstruct pfioc_qstats { 1645126258Smlaier u_int32_t ticket; 1646126258Smlaier u_int32_t nr; 1647126258Smlaier void *buf; 1648126258Smlaier int nbytes; 1649126258Smlaier u_int8_t scheduler; 1650126258Smlaier}; 1651126258Smlaier 1652145836Smlaierstruct pfioc_ruleset { 1653126258Smlaier u_int32_t nr; 1654145836Smlaier char path[MAXPATHLEN]; 1655126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1656126258Smlaier}; 1657126258Smlaier 1658130613Smlaier#define PF_RULESET_ALTQ (PF_RULESET_MAX) 1659130613Smlaier#define PF_RULESET_TABLE (PF_RULESET_MAX+1) 1660130613Smlaierstruct pfioc_trans { 1661130613Smlaier int size; /* number of elements */ 1662130613Smlaier int esize; /* size of each element in bytes */ 1663130613Smlaier struct pfioc_trans_e { 1664130613Smlaier int rs_num; 1665145836Smlaier char anchor[MAXPATHLEN]; 1666130613Smlaier u_int32_t ticket; 1667130613Smlaier } *array; 1668130613Smlaier}; 1669130613Smlaier 1670126258Smlaier#define PFR_FLAG_ATOMIC 0x00000001 1671126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1672126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1673126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1674126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1675126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1676126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1677126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1678130613Smlaier#ifdef _KERNEL 1679130613Smlaier#define PFR_FLAG_USERIOCTL 0x10000000 1680130613Smlaier#endif 1681126258Smlaier 1682126258Smlaierstruct pfioc_table { 1683126258Smlaier struct pfr_table pfrio_table; 1684126258Smlaier void *pfrio_buffer; 1685126258Smlaier int pfrio_esize; 1686126258Smlaier int pfrio_size; 1687126258Smlaier int pfrio_size2; 1688126258Smlaier int pfrio_nadd; 1689126258Smlaier int pfrio_ndel; 1690126258Smlaier int pfrio_nchange; 1691126258Smlaier int pfrio_flags; 1692126258Smlaier u_int32_t pfrio_ticket; 1693126258Smlaier}; 1694126258Smlaier#define pfrio_exists pfrio_nadd 1695126258Smlaier#define pfrio_nzero pfrio_nadd 1696126258Smlaier#define pfrio_nmatch pfrio_nadd 1697126258Smlaier#define pfrio_naddr pfrio_size2 1698126258Smlaier#define pfrio_setflag pfrio_size2 1699126258Smlaier#define pfrio_clrflag pfrio_nadd 1700126258Smlaier 1701130613Smlaierstruct pfioc_iface { 1702130613Smlaier char pfiio_name[IFNAMSIZ]; 1703130613Smlaier void *pfiio_buffer; 1704130613Smlaier int pfiio_esize; 1705130613Smlaier int pfiio_size; 1706130613Smlaier int pfiio_nzero; 1707130613Smlaier int pfiio_flags; 1708130613Smlaier}; 1709130613Smlaier 1710130613Smlaier 1711126258Smlaier/* 1712126258Smlaier * ioctl operations 1713126258Smlaier */ 1714126258Smlaier 1715126258Smlaier#define DIOCSTART _IO ('D', 1) 1716126258Smlaier#define DIOCSTOP _IO ('D', 2) 1717126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1718126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1719126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1720126258Smlaier/* XXX cut 8 - 17 */ 1721130613Smlaier#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill) 1722126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1723126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1724126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1725126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1726126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1727126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1728126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1729126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1730126258Smlaier/* XXX cut 26 - 28 */ 1731126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1732126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1733126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1734126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1735126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1736126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1737126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1738126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1739126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1740126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1741126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1742126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1743126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1744126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1745126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1746126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1747126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1748126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1749126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1750145836Smlaier/* XXX cut 55 - 57 */ 1751126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1752126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1753126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1754126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1755126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1756126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1757126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1758223637Sbz#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1759126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1760126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1761126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1762126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1763126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1764126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1765223637Sbz#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1766126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1767126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1768223637Sbz#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1769223637Sbz#define DIOCOSFPFLUSH _IO('D', 78) 1770223637Sbz#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1771223637Sbz#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1772223637Sbz#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans) 1773223637Sbz#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans) 1774223637Sbz#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans) 1775223637Sbz#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes) 1776223637Sbz#define DIOCCLRSRCNODES _IO('D', 85) 1777223637Sbz#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t) 1778223637Sbz#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface) 1779223637Sbz#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface) 1780223637Sbz#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface) 1781223637Sbz#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill) 1782127145Smlaier#ifdef __FreeBSD__ 1783126261Smlaierstruct pf_ifspeed { 1784126261Smlaier char ifname[IFNAMSIZ]; 1785126261Smlaier u_int32_t baudrate; 1786126261Smlaier}; 1787223637Sbz#define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed) 1788126261Smlaier#endif 1789126258Smlaier 1790126258Smlaier#ifdef _KERNEL 1791130613SmlaierRB_HEAD(pf_src_tree, pf_src_node); 1792130613SmlaierRB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare); 1793223637Sbz#ifdef __FreeBSD__ 1794223637SbzVNET_DECLARE(struct pf_src_tree, tree_src_tracking); 1795223637Sbz#define V_tree_src_tracking VNET(tree_src_tracking) 1796223637Sbz#else 1797130613Smlaierextern struct pf_src_tree tree_src_tracking; 1798223637Sbz#endif 1799126258Smlaier 1800130613SmlaierRB_HEAD(pf_state_tree_id, pf_state); 1801130613SmlaierRB_PROTOTYPE(pf_state_tree_id, pf_state, 1802130613Smlaier entry_id, pf_state_compare_id); 1803223637Sbz#ifdef __FreeBSD__ 1804223637SbzVNET_DECLARE(struct pf_state_tree_id, tree_id); 1805223637Sbz#define V_tree_id VNET(tree_id) 1806223637SbzVNET_DECLARE(struct pf_state_queue, state_list); 1807223637Sbz#define V_state_list VNET(state_list) 1808223637Sbz#else 1809130613Smlaierextern struct pf_state_tree_id tree_id; 1810171168Smlaierextern struct pf_state_queue state_list; 1811223637Sbz#endif 1812130613Smlaier 1813126258SmlaierTAILQ_HEAD(pf_poolqueue, pf_pool); 1814223637Sbz#ifdef __FreeBSD__ 1815223637SbzVNET_DECLARE(struct pf_poolqueue, pf_pools[2]); 1816223637Sbz#define V_pf_pools VNET(pf_pools) 1817223637Sbz#else 1818130613Smlaierextern struct pf_poolqueue pf_pools[2]; 1819223637Sbz#endif 1820126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1821223637Sbz#ifdef __FreeBSD__ 1822223637SbzVNET_DECLARE(struct pf_altqqueue, pf_altqs[2]); 1823223637Sbz#define V_pf_altqs VNET(pf_altqs) 1824223637SbzVNET_DECLARE(struct pf_palist, pf_pabuf); 1825223637Sbz#define V_pf_pabuf VNET(pf_pabuf) 1826223637Sbz#else 1827130613Smlaierextern struct pf_altqqueue pf_altqs[2]; 1828130613Smlaierextern struct pf_palist pf_pabuf; 1829223637Sbz#endif 1830126258Smlaier 1831223637Sbz#ifdef __FreeBSD__ 1832223637SbzVNET_DECLARE(u_int32_t, ticket_altqs_active); 1833223637Sbz#define V_ticket_altqs_active VNET(ticket_altqs_active) 1834223637SbzVNET_DECLARE(u_int32_t, ticket_altqs_inactive); 1835223637Sbz#define V_ticket_altqs_inactive VNET(ticket_altqs_inactive) 1836223637SbzVNET_DECLARE(int, altqs_inactive_open); 1837223637Sbz#define V_altqs_inactive_open VNET(altqs_inactive_open) 1838223637SbzVNET_DECLARE(u_int32_t, ticket_pabuf); 1839223637Sbz#define V_ticket_pabuf VNET(ticket_pabuf) 1840223637SbzVNET_DECLARE(struct pf_altqqueue *, pf_altqs_active); 1841223637Sbz#define V_pf_altqs_active VNET(pf_altqs_active) 1842223637SbzVNET_DECLARE(struct pf_altqqueue *, pf_altqs_inactive); 1843223637Sbz#define V_pf_altqs_inactive VNET(pf_altqs_inactive) 1844223637SbzVNET_DECLARE(struct pf_poolqueue *, pf_pools_active); 1845223637Sbz#define V_pf_pools_active VNET(pf_pools_active) 1846223637SbzVNET_DECLARE(struct pf_poolqueue *, pf_pools_inactive); 1847223637Sbz#define V_pf_pools_inactive VNET(pf_pools_inactive) 1848223637Sbz#else 1849126258Smlaierextern u_int32_t ticket_altqs_active; 1850126258Smlaierextern u_int32_t ticket_altqs_inactive; 1851130613Smlaierextern int altqs_inactive_open; 1852126258Smlaierextern u_int32_t ticket_pabuf; 1853126258Smlaierextern struct pf_altqqueue *pf_altqs_active; 1854126258Smlaierextern struct pf_altqqueue *pf_altqs_inactive; 1855126258Smlaierextern struct pf_poolqueue *pf_pools_active; 1856126258Smlaierextern struct pf_poolqueue *pf_pools_inactive; 1857223637Sbz#endif 1858126258Smlaierextern int pf_tbladdr_setup(struct pf_ruleset *, 1859126258Smlaier struct pf_addr_wrap *); 1860126258Smlaierextern void pf_tbladdr_remove(struct pf_addr_wrap *); 1861126258Smlaierextern void pf_tbladdr_copyout(struct pf_addr_wrap *); 1862126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1863127145Smlaier#ifdef __FreeBSD__ 1864177700Smlaier#ifdef ALTQ 1865223637Sbzextern void pf_altq_ifnet_event(struct ifnet *, int); 1866177700Smlaier#endif 1867223637SbzVNET_DECLARE(uma_zone_t, pf_src_tree_pl); 1868223637Sbz#define V_pf_src_tree_pl VNET(pf_src_tree_pl) 1869223637SbzVNET_DECLARE(uma_zone_t, pf_rule_pl); 1870223637Sbz#define V_pf_rule_pl VNET(pf_rule_pl) 1871223637SbzVNET_DECLARE(uma_zone_t, pf_state_pl); 1872223637Sbz#define V_pf_state_pl VNET(pf_state_pl) 1873223637SbzVNET_DECLARE(uma_zone_t, pf_state_key_pl); 1874223637Sbz#define V_pf_state_key_pl VNET(pf_state_key_pl) 1875223637SbzVNET_DECLARE(uma_zone_t, pf_state_item_pl); 1876223637Sbz#define V_pf_state_item_pl VNET(pf_state_item_pl) 1877223637SbzVNET_DECLARE(uma_zone_t, pf_altq_pl); 1878223637Sbz#define V_pf_altq_pl VNET(pf_altq_pl) 1879223637SbzVNET_DECLARE(uma_zone_t, pf_pooladdr_pl); 1880223637Sbz#define V_pf_pooladdr_pl VNET(pf_pooladdr_pl) 1881223637SbzVNET_DECLARE(uma_zone_t, pfr_ktable_pl); 1882223637Sbz#define V_pfr_ktable_pl VNET(pfr_ktable_pl) 1883223637SbzVNET_DECLARE(uma_zone_t, pfr_kentry_pl); 1884223637Sbz#define V_pfr_kentry_pl VNET(pfr_kentry_pl) 1885223637SbzVNET_DECLARE(uma_zone_t, pf_cache_pl); 1886223637Sbz#define V_pf_cache_pl VNET(pf_cache_pl) 1887223637SbzVNET_DECLARE(uma_zone_t, pf_cent_pl); 1888223637Sbz#define V_pf_cent_pl VNET(pf_cent_pl) 1889223637SbzVNET_DECLARE(uma_zone_t, pf_state_scrub_pl); 1890223637Sbz#define V_pf_state_scrub_pl VNET(pf_state_scrub_pl) 1891223637SbzVNET_DECLARE(uma_zone_t, pfi_addr_pl); 1892223637Sbz#define V_pfi_addr_pl VNET(pfi_addr_pl) 1893126261Smlaier#else 1894130613Smlaierextern struct pool pf_src_tree_pl, pf_rule_pl; 1895223637Sbzextern struct pool pf_state_pl, pf_state_key_pl, pf_state_item_pl, 1896223637Sbz pf_altq_pl, pf_pooladdr_pl; 1897126258Smlaierextern struct pool pf_state_scrub_pl; 1898126261Smlaier#endif 1899171168Smlaierextern void pf_purge_thread(void *); 1900196372Smlaier#ifdef __FreeBSD__ 1901196372Smlaierextern int pf_purge_expired_src_nodes(int); 1902223637Sbzextern int pf_purge_expired_states(u_int32_t , int); 1903196372Smlaier#else 1904171168Smlaierextern void pf_purge_expired_src_nodes(int); 1905171168Smlaierextern void pf_purge_expired_states(u_int32_t); 1906196372Smlaier#endif 1907171168Smlaierextern void pf_unlink_state(struct pf_state *); 1908171168Smlaierextern void pf_free_state(struct pf_state *); 1909223637Sbzextern int pf_state_insert(struct pfi_kif *, 1910223637Sbz struct pf_state_key *, 1911223637Sbz struct pf_state_key *, 1912130613Smlaier struct pf_state *); 1913130613Smlaierextern int pf_insert_src_node(struct pf_src_node **, 1914130613Smlaier struct pf_rule *, struct pf_addr *, 1915130613Smlaier sa_family_t); 1916130613Smlaiervoid pf_src_tree_remove_state(struct pf_state *); 1917171168Smlaierextern struct pf_state *pf_find_state_byid(struct pf_state_cmp *); 1918223637Sbzextern struct pf_state *pf_find_state_all(struct pf_state_key_cmp *, 1919223637Sbz u_int, int *); 1920145836Smlaierextern void pf_print_state(struct pf_state *); 1921145836Smlaierextern void pf_print_flags(u_int8_t); 1922133574Smlaierextern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t, 1923133574Smlaier u_int8_t); 1924126258Smlaier 1925223637Sbz#ifdef __FreeBSD__ 1926223637SbzVNET_DECLARE(struct ifnet *, sync_ifp); 1927223637Sbz#define V_sync_ifp VNET(sync_ifp); 1928223637SbzVNET_DECLARE(struct pf_rule, pf_default_rule); 1929223637Sbz#define V_pf_default_rule VNET(pf_default_rule) 1930223637Sbz#else 1931130613Smlaierextern struct ifnet *sync_ifp; 1932126258Smlaierextern struct pf_rule pf_default_rule; 1933223637Sbz#endif 1934126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1935126258Smlaier u_int8_t); 1936126258Smlaiervoid pf_rm_rule(struct pf_rulequeue *, 1937126258Smlaier struct pf_rule *); 1938223637Sbz#ifndef __FreeBSD__ 1939223637Sbzstruct pf_divert *pf_find_divert(struct mbuf *); 1940223637Sbz#endif 1941126258Smlaier 1942126258Smlaier#ifdef INET 1943135920Smlaier#ifdef __FreeBSD__ 1944145836Smlaierint pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *, 1945145836Smlaier struct inpcb *); 1946135920Smlaier#else 1947145836Smlaierint pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *); 1948135920Smlaier#endif 1949126258Smlaier#endif /* INET */ 1950126258Smlaier 1951126258Smlaier#ifdef INET6 1952135920Smlaier#ifdef __FreeBSD__ 1953145836Smlaierint pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *, 1954145836Smlaier struct inpcb *); 1955135920Smlaier#else 1956145836Smlaierint pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *); 1957135920Smlaier#endif 1958126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1959126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1960126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1961126258Smlaier#endif /* INET6 */ 1962126258Smlaier 1963171168Smlaier#ifdef __FreeBSD__ 1964171168Smlaieru_int32_t pf_new_isn(struct pf_state *); 1965171168Smlaier#endif 1966126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1967126258Smlaier sa_family_t); 1968126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1969130613Smlaierint pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t, 1970171168Smlaier u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *, 1971171168Smlaier struct pf_pdesc *); 1972223637Sbzvoid pf_send_deferred_syn(struct pf_state *); 1973126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1974126258Smlaier struct pf_addr *, sa_family_t); 1975223637Sbzint pf_match_addr_range(struct pf_addr *, struct pf_addr *, 1976223637Sbz struct pf_addr *, sa_family_t); 1977126258Smlaierint pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t); 1978126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1979126258Smlaierint pf_match_uid(u_int8_t, uid_t, uid_t, uid_t); 1980126258Smlaierint pf_match_gid(u_int8_t, gid_t, gid_t, gid_t); 1981126258Smlaier 1982126258Smlaiervoid pf_normalize_init(void); 1983145836Smlaierint pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *, 1984145836Smlaier struct pf_pdesc *); 1985145836Smlaierint pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *, 1986145836Smlaier struct pf_pdesc *); 1987130613Smlaierint pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *, 1988126258Smlaier struct pf_pdesc *); 1989126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1990126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1991126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1992126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1993145836Smlaier u_short *, struct tcphdr *, struct pf_state *, 1994145836Smlaier struct pf_state_peer *, struct pf_state_peer *, int *); 1995126258Smlaieru_int32_t 1996126258Smlaier pf_state_expires(const struct pf_state *); 1997126258Smlaiervoid pf_purge_expired_fragments(void); 1998171168Smlaierint pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kif *); 1999145836Smlaierint pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *); 2000171168Smlaier#ifdef __FreeBSD__ 2001223637Sbzint pf_socket_lookup(int, struct pf_pdesc *, struct inpcb *); 2002171168Smlaier#else 2003171168Smlaierint pf_socket_lookup(int, struct pf_pdesc *); 2004171168Smlaier#endif 2005223637Sbzstruct pf_state_key *pf_alloc_state_key(int); 2006223637Sbzvoid pf_pkt_addr_changed(struct mbuf *); 2007223637Sbzint pf_state_key_attach(struct pf_state_key *, struct pf_state *, int); 2008126258Smlaiervoid pfr_initialize(void); 2009126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 2010126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 2011126258Smlaier u_int64_t, int, int, int); 2012126258Smlaierint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, 2013126258Smlaier struct pf_addr **, struct pf_addr **, sa_family_t); 2014130613Smlaiervoid pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *); 2015126258Smlaierstruct pfr_ktable * 2016223637Sbz pfr_attach_table(struct pf_ruleset *, char *, int); 2017126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 2018126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 2019126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 2020126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 2021126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 2022126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 2023126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 2024126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 2025126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 2026145836Smlaierint pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long); 2027126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 2028126258Smlaier int); 2029126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 2030126258Smlaier int); 2031126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 2032171168Smlaier int *, int *, int *, int, u_int32_t); 2033126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 2034126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 2035126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 2036126258Smlaier int); 2037126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 2038126258Smlaier int); 2039126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 2040130613Smlaierint pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int); 2041126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 2042126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 2043126258Smlaier int *, u_int32_t, int); 2044126258Smlaier 2045223637Sbz#ifdef __FreeBSD__ 2046223637SbzVNET_DECLARE(struct pfi_kif *, pfi_all); 2047223637Sbz#define V_pfi_all VNET(pfi_all) 2048223637Sbz#else 2049171168Smlaierextern struct pfi_kif *pfi_all; 2050223637Sbz#endif 2051171168Smlaier 2052130613Smlaiervoid pfi_initialize(void); 2053130613Smlaier#ifdef __FreeBSD__ 2054130613Smlaiervoid pfi_cleanup(void); 2055130613Smlaier#endif 2056171168Smlaierstruct pfi_kif *pfi_kif_get(const char *); 2057171168Smlaiervoid pfi_kif_ref(struct pfi_kif *, enum pfi_kif_refs); 2058171168Smlaiervoid pfi_kif_unref(struct pfi_kif *, enum pfi_kif_refs); 2059171168Smlaierint pfi_kif_match(struct pfi_kif *, struct pfi_kif *); 2060130613Smlaiervoid pfi_attach_ifnet(struct ifnet *); 2061130613Smlaiervoid pfi_detach_ifnet(struct ifnet *); 2062171168Smlaiervoid pfi_attach_ifgroup(struct ifg_group *); 2063171168Smlaiervoid pfi_detach_ifgroup(struct ifg_group *); 2064171168Smlaiervoid pfi_group_change(const char *); 2065171168Smlaierint pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *, 2066171168Smlaier sa_family_t); 2067130613Smlaierint pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t); 2068171168Smlaiervoid pfi_dynaddr_remove(struct pf_addr_wrap *); 2069130613Smlaiervoid pfi_dynaddr_copyout(struct pf_addr_wrap *); 2070223637Sbzvoid pfi_update_status(const char *, struct pf_status *); 2071171168Smlaierint pfi_get_ifaces(const char *, struct pfi_kif *, int *); 2072145836Smlaierint pfi_set_flags(const char *, int); 2073145836Smlaierint pfi_clear_flags(const char *, int); 2074130613Smlaier 2075223637Sbz#ifdef __FreeBSD__ 2076223637Sbzint pf_match_tag(struct mbuf *, struct pf_rule *, int *, 2077223637Sbz struct pf_mtag *); 2078223637Sbz#else 2079223637Sbzint pf_match_tag(struct mbuf *, struct pf_rule *, int *); 2080223637Sbz#endif 2081171168Smlaieru_int16_t pf_tagname2tag(char *); 2082171168Smlaiervoid pf_tag2tagname(u_int16_t, char *); 2083171168Smlaiervoid pf_tag_ref(u_int16_t); 2084171168Smlaiervoid pf_tag_unref(u_int16_t); 2085223637Sbz#ifdef __FreeBSD__ 2086223637Sbzint pf_tag_packet(struct mbuf *, int, int, struct pf_mtag *); 2087223637Sbz#else 2088223637Sbzint pf_tag_packet(struct mbuf *, int, int); 2089223637Sbz#endif 2090171168Smlaieru_int32_t pf_qname2qid(char *); 2091171168Smlaiervoid pf_qid2qname(u_int32_t, char *); 2092171168Smlaiervoid pf_qid_unref(u_int32_t); 2093130613Smlaier 2094223637Sbz#ifdef __FreeBSD__ 2095223637SbzVNET_DECLARE(struct pf_status, pf_status); 2096223637Sbz#define V_pf_status VNET(pf_status) 2097223637Sbz#else 2098126258Smlaierextern struct pf_status pf_status; 2099223637Sbz#endif 2100126261Smlaier 2101127145Smlaier#ifdef __FreeBSD__ 2102223637SbzVNET_DECLARE(uma_zone_t, pf_frent_pl); 2103223637Sbz#define V_pf_frent_pl VNET(pf_frent_pl) 2104223637SbzVNET_DECLARE(uma_zone_t, pf_frag_pl); 2105223637Sbz#define V_pf_frag_pl VNET(pf_frag_pl) 2106223637SbzVNET_DECLARE(struct sx, pf_consistency_lock); 2107223637Sbz#define V_pf_consistency_lock VNET(pf_consistency_lock) 2108126261Smlaier#else 2109126258Smlaierextern struct pool pf_frent_pl, pf_frag_pl; 2110171168Smlaierextern struct rwlock pf_consistency_lock; 2111126261Smlaier#endif 2112126258Smlaier 2113126258Smlaierstruct pf_pool_limit { 2114126258Smlaier void *pp; 2115126258Smlaier unsigned limit; 2116126258Smlaier}; 2117223637Sbz#ifdef __FreeBSD__ 2118223637SbzVNET_DECLARE(struct pf_pool_limit, pf_pool_limits[PF_LIMIT_MAX]); 2119223637Sbz#define V_pf_pool_limits VNET(pf_pool_limits) 2120223637Sbz#else 2121126258Smlaierextern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX]; 2122223637Sbz#endif 2123126258Smlaier 2124127145Smlaier#ifdef __FreeBSD__ 2125126261Smlaierstruct pf_frent { 2126126261Smlaier LIST_ENTRY(pf_frent) fr_next; 2127126261Smlaier struct ip *fr_ip; 2128126261Smlaier struct mbuf *fr_m; 2129126261Smlaier}; 2130126261Smlaier 2131126261Smlaierstruct pf_frcache { 2132126261Smlaier LIST_ENTRY(pf_frcache) fr_next; 2133223637Sbz uint16_t fr_off; 2134223637Sbz uint16_t fr_end; 2135126261Smlaier}; 2136126261Smlaier 2137126261Smlaierstruct pf_fragment { 2138126261Smlaier RB_ENTRY(pf_fragment) fr_entry; 2139126261Smlaier TAILQ_ENTRY(pf_fragment) frag_next; 2140223637Sbz struct in_addr fr_src; 2141223637Sbz struct in_addr fr_dst; 2142223637Sbz u_int8_t fr_p; /* protocol of this fragment */ 2143223637Sbz u_int8_t fr_flags; /* status flags */ 2144223637Sbz u_int16_t fr_id; /* fragment id for reassemble */ 2145223637Sbz u_int16_t fr_max; /* fragment data max */ 2146223637Sbz u_int32_t fr_timeout; 2147223637Sbz#define fr_queue fr_u.fru_queue 2148223637Sbz#define fr_cache fr_u.fru_cache 2149126261Smlaier union { 2150223637Sbz LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */ 2151223637Sbz LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */ 2152126261Smlaier } fr_u; 2153126261Smlaier}; 2154126261Smlaier#endif /* (__FreeBSD__) */ 2155126261Smlaier 2156126258Smlaier#endif /* _KERNEL */ 2157126258Smlaier 2158223637Sbz#ifdef __FreeBSD__ 2159223637Sbz#ifdef _KERNEL 2160223637SbzVNET_DECLARE(struct pf_anchor_global, pf_anchors); 2161223637Sbz#define V_pf_anchors VNET(pf_anchors) 2162223637SbzVNET_DECLARE(struct pf_anchor, pf_main_anchor); 2163223637Sbz#define V_pf_main_anchor VNET(pf_main_anchor) 2164223637Sbz#define pf_main_ruleset V_pf_main_anchor.ruleset 2165223637Sbz#endif 2166223637Sbz#else 2167223637Sbzextern struct pf_anchor_global pf_anchors; 2168223637Sbzextern struct pf_anchor pf_main_anchor; 2169171168Smlaier#define pf_main_ruleset pf_main_anchor.ruleset 2170223637Sbz#endif 2171171168Smlaier 2172171168Smlaier/* these ruleset functions can be linked into userland programs (pfctl) */ 2173171168Smlaierint pf_get_ruleset_number(u_int8_t); 2174171168Smlaiervoid pf_init_ruleset(struct pf_ruleset *); 2175171168Smlaierint pf_anchor_setup(struct pf_rule *, 2176171168Smlaier const struct pf_ruleset *, const char *); 2177171168Smlaierint pf_anchor_copyout(const struct pf_ruleset *, 2178171168Smlaier const struct pf_rule *, struct pfioc_rule *); 2179171168Smlaiervoid pf_anchor_remove(struct pf_rule *); 2180171168Smlaiervoid pf_remove_if_empty_ruleset(struct pf_ruleset *); 2181171168Smlaierstruct pf_anchor *pf_find_anchor(const char *); 2182171168Smlaierstruct pf_ruleset *pf_find_ruleset(const char *); 2183171168Smlaierstruct pf_ruleset *pf_find_or_create_ruleset(const char *); 2184171168Smlaiervoid pf_rs_initialize(void); 2185171168Smlaier 2186171168Smlaier#ifndef __FreeBSD__ 2187171168Smlaier#ifdef _KERNEL 2188171168Smlaierint pf_anchor_copyout(const struct pf_ruleset *, 2189171168Smlaier const struct pf_rule *, struct pfioc_rule *); 2190171168Smlaiervoid pf_anchor_remove(struct pf_rule *); 2191171168Smlaier 2192171168Smlaier#endif /* _KERNEL */ 2193171168Smlaier#endif 2194171168Smlaier 2195126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 2196126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 2197126258Smlaier#ifdef _KERNEL 2198126258Smlaierstruct pf_osfp_enlist * 2199126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 2200126258Smlaier const struct tcphdr *); 2201126258Smlaier#endif /* _KERNEL */ 2202126258Smlaierstruct pf_osfp_enlist * 2203171168Smlaier pf_osfp_fingerprint_hdr(const struct ip *, const struct ip6_hdr *, 2204171168Smlaier const struct tcphdr *); 2205126258Smlaiervoid pf_osfp_flush(void); 2206126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 2207127145Smlaier#ifdef __FreeBSD__ 2208126261Smlaierint pf_osfp_initialize(void); 2209126261Smlaiervoid pf_osfp_cleanup(void); 2210126261Smlaier#else 2211126258Smlaiervoid pf_osfp_initialize(void); 2212126261Smlaier#endif 2213126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 2214126258Smlaierstruct pf_os_fingerprint * 2215126258Smlaier pf_osfp_validate(void); 2216126258Smlaier 2217223637Sbz#ifdef _KERNEL 2218223637Sbzvoid pf_print_host(struct pf_addr *, u_int16_t, u_int8_t); 2219223637Sbz 2220223637Sbzvoid pf_step_into_anchor(int *, struct pf_ruleset **, int, 2221223637Sbz struct pf_rule **, struct pf_rule **, int *); 2222223637Sbzint pf_step_out_of_anchor(int *, struct pf_ruleset **, 2223223637Sbz int, struct pf_rule **, struct pf_rule **, 2224223637Sbz int *); 2225223637Sbz 2226223637Sbzint pf_map_addr(u_int8_t, struct pf_rule *, 2227223637Sbz struct pf_addr *, struct pf_addr *, 2228223637Sbz struct pf_addr *, struct pf_src_node **); 2229223637Sbzstruct pf_rule *pf_get_translation(struct pf_pdesc *, struct mbuf *, 2230223637Sbz int, int, struct pfi_kif *, struct pf_src_node **, 2231223637Sbz struct pf_state_key **, struct pf_state_key **, 2232223637Sbz struct pf_state_key **, struct pf_state_key **, 2233223637Sbz struct pf_addr *, struct pf_addr *, 2234223637Sbz u_int16_t, u_int16_t); 2235223637Sbz 2236223637Sbzint pf_state_key_setup(struct pf_pdesc *, struct pf_rule *, 2237223637Sbz struct pf_state_key **, struct pf_state_key **, 2238223637Sbz struct pf_state_key **, struct pf_state_key **, 2239223637Sbz struct pf_addr *, struct pf_addr *, 2240223637Sbz u_int16_t, u_int16_t); 2241223637Sbz#endif /* _KERNEL */ 2242223637Sbz 2243223637Sbz 2244126258Smlaier#endif /* _NET_PFVAR_H_ */ 2245