pfvar.h revision 171168
1126261Smlaier/* $FreeBSD: head/sys/contrib/pf/net/pfvar.h 171168 2007-07-03 12:16:07Z mlaier $ */ 2171168Smlaier/* $OpenBSD: pfvar.h,v 1.244 2007/02/23 21:31:51 deraadt Exp $ */ 3126258Smlaier 4126258Smlaier/* 5126258Smlaier * Copyright (c) 2001 Daniel Hartmeier 6126258Smlaier * All rights reserved. 7126258Smlaier * 8126258Smlaier * Redistribution and use in source and binary forms, with or without 9126258Smlaier * modification, are permitted provided that the following conditions 10126258Smlaier * are met: 11126258Smlaier * 12126258Smlaier * - Redistributions of source code must retain the above copyright 13126258Smlaier * notice, this list of conditions and the following disclaimer. 14126258Smlaier * - Redistributions in binary form must reproduce the above 15126258Smlaier * copyright notice, this list of conditions and the following 16126258Smlaier * disclaimer in the documentation and/or other materials provided 17126258Smlaier * with the distribution. 18126258Smlaier * 19126258Smlaier * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20126258Smlaier * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21126258Smlaier * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22126258Smlaier * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23126258Smlaier * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24126258Smlaier * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25126258Smlaier * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26126258Smlaier * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 27126258Smlaier * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28126258Smlaier * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29126258Smlaier * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30126258Smlaier * POSSIBILITY OF SUCH DAMAGE. 31126258Smlaier * 32126258Smlaier */ 33126258Smlaier 34126258Smlaier#ifndef _NET_PFVAR_H_ 35126258Smlaier#define _NET_PFVAR_H_ 36126258Smlaier 37145836Smlaier#include <sys/param.h> 38126258Smlaier#include <sys/types.h> 39126258Smlaier#include <sys/queue.h> 40126258Smlaier#include <sys/tree.h> 41171168Smlaier#ifdef __FreeBSD__ 42171168Smlaier#include <sys/lock.h> 43171168Smlaier#include <sys/sx.h> 44171168Smlaier#else 45171168Smlaier#include <sys/rwlock.h> 46171168Smlaier#endif 47126258Smlaier 48126258Smlaier#include <net/radix.h> 49145836Smlaier#include <net/route.h> 50127145Smlaier#ifdef __FreeBSD__ 51130933Sbrooks#include <net/if_clone.h> 52171168Smlaier#include <net/pf_mtag.h> 53126261Smlaier#include <vm/uma.h> 54126261Smlaier#else 55126258Smlaier#include <netinet/ip_ipsp.h> 56126261Smlaier#endif 57126261Smlaier 58127145Smlaier#ifdef __FreeBSD__ 59126261Smlaier#include <netinet/in.h> 60126261Smlaier#endif 61126261Smlaier 62126258Smlaier#include <netinet/tcp_fsm.h> 63126258Smlaier 64126258Smlaierstruct ip; 65171168Smlaierstruct ip6_hdr; 66135920Smlaier#ifdef __FreeBSD__ 67135920Smlaierstruct inpcb; 68135920Smlaier#endif 69126258Smlaier 70126258Smlaier#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0) 71126258Smlaier#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1) 72126258Smlaier 73171168Smlaier#define PF_MD5_DIGEST_LENGTH 16 74171168Smlaier#ifdef MD5_DIGEST_LENGTH 75171168Smlaier#if PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH 76171168Smlaier#error 77171168Smlaier#endif 78171168Smlaier#endif 79171168Smlaier 80126258Smlaierenum { PF_INOUT, PF_IN, PF_OUT }; 81130613Smlaierenum { PF_LAN_EXT, PF_EXT_GWY, PF_ID }; 82145836Smlaierenum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT, 83126258Smlaier PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP }; 84126258Smlaierenum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT, 85126258Smlaier PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX }; 86126258Smlaierenum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT, 87126258Smlaier PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG }; 88126258Smlaierenum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY }; 89126258Smlaierenum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL, 90126258Smlaier PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER, 91126258Smlaier PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET }; 92171168Smlaierenum { PF_GET_NONE, PF_GET_CLR_CNTR }; 93171168Smlaier 94126258Smlaier/* 95126258Smlaier * Note about PFTM_*: real indices into pf_rule.timeout[] come before 96126258Smlaier * PFTM_MAX, special cases afterwards. See pf_state_expires(). 97126258Smlaier */ 98126258Smlaierenum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED, 99126258Smlaier PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED, 100126258Smlaier PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE, 101126258Smlaier PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY, 102126258Smlaier PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE, 103126258Smlaier PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL, 104130613Smlaier PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE, 105171168Smlaier PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNLINKED, 106171168Smlaier PFTM_UNTIL_PACKET }; 107145836Smlaier 108145836Smlaier/* PFTM default values */ 109145836Smlaier#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */ 110145836Smlaier#define PFTM_TCP_OPENING_VAL 30 /* No response yet */ 111145836Smlaier#define PFTM_TCP_ESTABLISHED_VAL 24*60*60/* Established */ 112145836Smlaier#define PFTM_TCP_CLOSING_VAL 15 * 60 /* Half closed */ 113145836Smlaier#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */ 114145836Smlaier#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */ 115145836Smlaier#define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */ 116145836Smlaier#define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */ 117145836Smlaier#define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */ 118145836Smlaier#define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */ 119145836Smlaier#define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */ 120145836Smlaier#define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */ 121145836Smlaier#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */ 122145836Smlaier#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */ 123145836Smlaier#define PFTM_FRAG_VAL 30 /* Fragment expire */ 124145836Smlaier#define PFTM_INTERVAL_VAL 10 /* Expire interval */ 125145836Smlaier#define PFTM_SRC_NODE_VAL 0 /* Source tracking */ 126145836Smlaier#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */ 127145836Smlaier 128126258Smlaierenum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO }; 129171168Smlaierenum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, 130171168Smlaier PF_LIMIT_TABLES, PF_LIMIT_TABLE_ENTRIES, PF_LIMIT_MAX }; 131126258Smlaier#define PF_POOL_IDMASK 0x0f 132126258Smlaierenum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM, 133126258Smlaier PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN }; 134126258Smlaierenum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL, 135171168Smlaier PF_ADDR_TABLE, PF_ADDR_RTLABEL, PF_ADDR_URPFFAILED }; 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__ 215126261Smlaier#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 222126261Smlaier#define PF_NAME "pf" 223126261Smlaier 224126261Smlaier#define PR_NOWAIT M_NOWAIT 225126261Smlaier#define pool_get(p, f) uma_zalloc(*(p), (f)) 226126261Smlaier#define pool_put(p, o) uma_zfree(*(p), (o)) 227126261Smlaier 228126261Smlaier#define UMA_CREATE(var, type, desc) \ 229126261Smlaier var = uma_zcreate(desc, sizeof(type), \ 230126261Smlaier NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); \ 231126261Smlaier if (var == NULL) break 232126261Smlaier#define UMA_DESTROY(var) \ 233126261Smlaier if(var) uma_zdestroy(var) 234126261Smlaier 235126261Smlaierextern struct mtx pf_task_mtx; 236126261Smlaier 237126261Smlaier#define PF_ASSERT(h) mtx_assert(&pf_task_mtx, (h)) 238126261Smlaier 239126261Smlaier#define PF_LOCK() do { \ 240126261Smlaier PF_ASSERT(MA_NOTOWNED); \ 241126261Smlaier mtx_lock(&pf_task_mtx); \ 242126261Smlaier} while(0) 243126261Smlaier#define PF_UNLOCK() do { \ 244126261Smlaier PF_ASSERT(MA_OWNED); \ 245126261Smlaier mtx_unlock(&pf_task_mtx); \ 246126261Smlaier} while(0) 247126261Smlaier 248126261Smlaier#define PF_COPYIN(uaddr, kaddr, len, r) do { \ 249126261Smlaier PF_UNLOCK(); \ 250126261Smlaier r = copyin((uaddr), (kaddr), (len)); \ 251126261Smlaier PF_LOCK(); \ 252126261Smlaier} while(0) 253126261Smlaier 254126261Smlaier#define PF_COPYOUT(kaddr, uaddr, len, r) do { \ 255126261Smlaier PF_UNLOCK(); \ 256126261Smlaier r = copyout((kaddr), (uaddr), (len)); \ 257126261Smlaier PF_LOCK(); \ 258126261Smlaier} while(0) 259126261Smlaier 260126261Smlaierextern void init_pf_mutex(void); 261126261Smlaierextern void destroy_pf_mutex(void); 262126261Smlaier 263126261Smlaier#define PF_MODVER 1 264126261Smlaier#define PFLOG_MODVER 1 265126261Smlaier#define PFSYNC_MODVER 1 266126261Smlaier 267126261Smlaier#define PFLOG_MINVER 1 268126261Smlaier#define PFLOG_PREFVER PFLOG_MODVER 269126261Smlaier#define PFLOG_MAXVER 1 270126261Smlaier#define PFSYNC_MINVER 1 271126261Smlaier#define PFSYNC_PREFVER PFSYNC_MODVER 272126261Smlaier#define PFSYNC_MAXVER 1 273130613Smlaier#endif /* __FreeBSD__ */ 274130613Smlaier 275126258Smlaier#ifdef INET 276126258Smlaier#ifndef INET6 277126258Smlaier#define PF_INET_ONLY 278126258Smlaier#endif /* ! INET6 */ 279126258Smlaier#endif /* INET */ 280126258Smlaier 281126258Smlaier#ifdef INET6 282126258Smlaier#ifndef INET 283126258Smlaier#define PF_INET6_ONLY 284126258Smlaier#endif /* ! INET */ 285126258Smlaier#endif /* INET6 */ 286126258Smlaier 287126258Smlaier#ifdef INET 288126258Smlaier#ifdef INET6 289126258Smlaier#define PF_INET_INET6 290126258Smlaier#endif /* INET6 */ 291126258Smlaier#endif /* INET */ 292126258Smlaier 293126258Smlaier#else 294126258Smlaier 295126258Smlaier#define PF_INET_INET6 296126258Smlaier 297126258Smlaier#endif /* _KERNEL */ 298126258Smlaier 299126258Smlaier/* Both IPv4 and IPv6 */ 300126258Smlaier#ifdef PF_INET_INET6 301126258Smlaier 302126258Smlaier#define PF_AEQ(a, b, c) \ 303126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 304126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 305126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 306126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 307126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 308126258Smlaier 309126258Smlaier#define PF_ANEQ(a, b, c) \ 310126258Smlaier ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 311126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 312126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 313126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 314126258Smlaier (a)->addr32[0] != (b)->addr32[0])) \ 315126258Smlaier 316126258Smlaier#define PF_AZERO(a, c) \ 317126258Smlaier ((c == AF_INET && !(a)->addr32[0]) || \ 318126258Smlaier (!(a)->addr32[0] && !(a)->addr32[1] && \ 319126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 320126258Smlaier 321126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 322126258Smlaier pf_match_addr(n, a, m, b, f) 323126258Smlaier 324126258Smlaier#define PF_ACPY(a, b, f) \ 325126258Smlaier pf_addrcpy(a, b, f) 326126258Smlaier 327126258Smlaier#define PF_AINC(a, f) \ 328126258Smlaier pf_addr_inc(a, f) 329126258Smlaier 330126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 331126258Smlaier pf_poolmask(a, b, c, d, f) 332126258Smlaier 333126258Smlaier#else 334126258Smlaier 335126258Smlaier/* Just IPv6 */ 336126258Smlaier 337126258Smlaier#ifdef PF_INET6_ONLY 338126258Smlaier 339126258Smlaier#define PF_AEQ(a, b, c) \ 340126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 341126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 342126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 343126258Smlaier (a)->addr32[0] == (b)->addr32[0]) \ 344126258Smlaier 345126258Smlaier#define PF_ANEQ(a, b, c) \ 346126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 347126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 348126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 349126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 350126258Smlaier 351126258Smlaier#define PF_AZERO(a, c) \ 352126258Smlaier (!(a)->addr32[0] && \ 353126258Smlaier !(a)->addr32[1] && \ 354126258Smlaier !(a)->addr32[2] && \ 355126258Smlaier !(a)->addr32[3] ) \ 356126258Smlaier 357126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 358126258Smlaier pf_match_addr(n, a, m, b, f) 359126258Smlaier 360126258Smlaier#define PF_ACPY(a, b, f) \ 361126258Smlaier pf_addrcpy(a, b, f) 362126258Smlaier 363126258Smlaier#define PF_AINC(a, f) \ 364126258Smlaier pf_addr_inc(a, f) 365126258Smlaier 366126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 367126258Smlaier pf_poolmask(a, b, c, d, f) 368126258Smlaier 369126258Smlaier#else 370126258Smlaier 371126258Smlaier/* Just IPv4 */ 372126258Smlaier#ifdef PF_INET_ONLY 373126258Smlaier 374126258Smlaier#define PF_AEQ(a, b, c) \ 375126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 376126258Smlaier 377126258Smlaier#define PF_ANEQ(a, b, c) \ 378126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 379126258Smlaier 380126258Smlaier#define PF_AZERO(a, c) \ 381126258Smlaier (!(a)->addr32[0]) 382126258Smlaier 383126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 384126258Smlaier pf_match_addr(n, a, m, b, f) 385126258Smlaier 386126258Smlaier#define PF_ACPY(a, b, f) \ 387126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 388126258Smlaier 389126258Smlaier#define PF_AINC(a, f) \ 390126258Smlaier do { \ 391126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 392126258Smlaier } while (0) 393126258Smlaier 394126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 395126258Smlaier do { \ 396126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 397126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 398126258Smlaier } while (0) 399126258Smlaier 400126258Smlaier#endif /* PF_INET_ONLY */ 401126258Smlaier#endif /* PF_INET6_ONLY */ 402126258Smlaier#endif /* PF_INET_INET6 */ 403126258Smlaier 404171168Smlaier#define PF_MISMATCHAW(aw, x, af, neg, ifp) \ 405171168Smlaier ( \ 406171168Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 407171168Smlaier pf_routable((x), (af), NULL)) || \ 408171168Smlaier (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \ 409171168Smlaier pf_routable((x), (af), (ifp))) || \ 410171168Smlaier ((aw)->type == PF_ADDR_RTLABEL && \ 411171168Smlaier !pf_rtlabel_match((x), (af), (aw))) || \ 412171168Smlaier ((aw)->type == PF_ADDR_TABLE && \ 413171168Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 414171168Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 415171168Smlaier !pfi_match_addr((aw)->p.dyn, (x), (af))) || \ 416171168Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 417171168Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 418171168Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 419171168Smlaier &(aw)->v.a.mask, (x), (af))))) != \ 420171168Smlaier (neg) \ 421126258Smlaier ) 422126258Smlaier 423171168Smlaier 424126258Smlaierstruct pf_rule_uid { 425126258Smlaier uid_t uid[2]; 426126258Smlaier u_int8_t op; 427126258Smlaier}; 428126258Smlaier 429126258Smlaierstruct pf_rule_gid { 430126258Smlaier uid_t gid[2]; 431126258Smlaier u_int8_t op; 432126258Smlaier}; 433126258Smlaier 434126258Smlaierstruct pf_rule_addr { 435126258Smlaier struct pf_addr_wrap addr; 436126258Smlaier u_int16_t port[2]; 437145836Smlaier u_int8_t neg; 438126258Smlaier u_int8_t port_op; 439126258Smlaier}; 440126258Smlaier 441126258Smlaierstruct pf_pooladdr { 442126258Smlaier struct pf_addr_wrap addr; 443126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 444126258Smlaier char ifname[IFNAMSIZ]; 445130613Smlaier struct pfi_kif *kif; 446126258Smlaier}; 447126258Smlaier 448126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 449126258Smlaier 450126258Smlaierstruct pf_poolhashkey { 451126258Smlaier union { 452126258Smlaier u_int8_t key8[16]; 453126258Smlaier u_int16_t key16[8]; 454126258Smlaier u_int32_t key32[4]; 455126258Smlaier } pfk; /* 128-bit hash key */ 456126258Smlaier#define key8 pfk.key8 457126258Smlaier#define key16 pfk.key16 458126258Smlaier#define key32 pfk.key32 459126258Smlaier}; 460126258Smlaier 461126258Smlaierstruct pf_pool { 462126258Smlaier struct pf_palist list; 463126258Smlaier struct pf_pooladdr *cur; 464126258Smlaier struct pf_poolhashkey key; 465126258Smlaier struct pf_addr counter; 466126258Smlaier int tblidx; 467126258Smlaier u_int16_t proxy_port[2]; 468126258Smlaier u_int8_t port_op; 469126258Smlaier u_int8_t opts; 470126258Smlaier}; 471126258Smlaier 472126258Smlaier 473126258Smlaier/* A packed Operating System description for fingerprinting */ 474126258Smlaiertypedef u_int32_t pf_osfp_t; 475126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 476126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 477126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 478126258Smlaier 479126258Smlaierstruct pf_osfp_entry { 480126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 481126258Smlaier pf_osfp_t fp_os; 482126258Smlaier int fp_enflags; 483126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 484126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 485126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 486126258Smlaier#define PF_OSFP_LEN 32 487126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 488126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 489126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 490126258Smlaier}; 491126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 492126258Smlaier ((a)->fp_os == (b)->fp_os && \ 493126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 494126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 495126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 496126258Smlaier 497126258Smlaier/* handle pf_osfp_t packing */ 498126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 499126258Smlaier#define _FP_UNUSED_BITS 1 500126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 501126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 502126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 503126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 504126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 505126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 506126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 507126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 508126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 509126258Smlaier} while(0) 510126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 511126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 512126258Smlaier + _FP_SUBTYPE_BITS); \ 513126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 514126258Smlaier _FP_SUBTYPE_BITS; \ 515126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 516126258Smlaier} while(0) 517126258Smlaier 518126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 519126258Smlaiertypedef u_int64_t pf_tcpopts_t; 520126258Smlaierstruct pf_os_fingerprint { 521126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 522126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 523126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 524126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 525126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 526126258Smlaier u_int16_t fp_flags; 527126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 528126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 529126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 530126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 531126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 532126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 533126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 534126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 535126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 536126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 537126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 538126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 539126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 540126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 541171168Smlaier#define PF_OSFP_INET6 0x4000 /* IPv6 */ 542126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 543126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 544126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 545126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 546126258Smlaier/* TCP options packing */ 547126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 548126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 549126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 550126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 551126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 552126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 553126258Smlaier#define PF_OSFP_MAX_OPTS \ 554126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 555126258Smlaier / PF_OSFP_TCPOPT_BITS 556126258Smlaier 557126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 558126258Smlaier}; 559126258Smlaier 560126258Smlaierstruct pf_osfp_ioctl { 561126258Smlaier struct pf_osfp_entry fp_os; 562126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 563126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 564126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 565126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 566126258Smlaier u_int16_t fp_flags; 567126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 568126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 569126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 570126258Smlaier 571126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 572126258Smlaier}; 573126258Smlaier 574126258Smlaier 575126258Smlaierunion pf_rule_ptr { 576126258Smlaier struct pf_rule *ptr; 577126258Smlaier u_int32_t nr; 578126258Smlaier}; 579126258Smlaier 580145836Smlaier#define PF_ANCHOR_NAME_SIZE 64 581145836Smlaier 582126258Smlaierstruct pf_rule { 583126258Smlaier struct pf_rule_addr src; 584126258Smlaier struct pf_rule_addr dst; 585126258Smlaier#define PF_SKIP_IFP 0 586126258Smlaier#define PF_SKIP_DIR 1 587126258Smlaier#define PF_SKIP_AF 2 588126258Smlaier#define PF_SKIP_PROTO 3 589126258Smlaier#define PF_SKIP_SRC_ADDR 4 590126258Smlaier#define PF_SKIP_SRC_PORT 5 591126258Smlaier#define PF_SKIP_DST_ADDR 6 592126258Smlaier#define PF_SKIP_DST_PORT 7 593126258Smlaier#define PF_SKIP_COUNT 8 594126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 595126258Smlaier#define PF_RULE_LABEL_SIZE 64 596126258Smlaier char label[PF_RULE_LABEL_SIZE]; 597171168Smlaier#define PF_QNAME_SIZE 64 598126258Smlaier char ifname[IFNAMSIZ]; 599126258Smlaier char qname[PF_QNAME_SIZE]; 600126258Smlaier char pqname[PF_QNAME_SIZE]; 601171168Smlaier#define PF_TAG_NAME_SIZE 64 602126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 603126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 604126258Smlaier 605145836Smlaier char overload_tblname[PF_TABLE_NAME_SIZE]; 606145836Smlaier 607126258Smlaier TAILQ_ENTRY(pf_rule) entries; 608126258Smlaier struct pf_pool rpool; 609126258Smlaier 610126258Smlaier u_int64_t evaluations; 611171168Smlaier u_int64_t packets[2]; 612171168Smlaier u_int64_t bytes[2]; 613126258Smlaier 614130613Smlaier struct pfi_kif *kif; 615126258Smlaier struct pf_anchor *anchor; 616145836Smlaier struct pfr_ktable *overload_tbl; 617126258Smlaier 618126258Smlaier pf_osfp_t os_fingerprint; 619130613Smlaier 620171168Smlaier int rtableid; 621130613Smlaier u_int32_t timeout[PFTM_MAX]; 622126258Smlaier u_int32_t states; 623126258Smlaier u_int32_t max_states; 624130613Smlaier u_int32_t src_nodes; 625130613Smlaier u_int32_t max_src_nodes; 626130613Smlaier u_int32_t max_src_states; 627145836Smlaier u_int32_t max_src_conn; 628145836Smlaier struct { 629145836Smlaier u_int32_t limit; 630145836Smlaier u_int32_t seconds; 631145836Smlaier } max_src_conn_rate; 632126258Smlaier u_int32_t qid; 633126258Smlaier u_int32_t pqid; 634126258Smlaier u_int32_t rt_listid; 635126258Smlaier u_int32_t nr; 636145836Smlaier u_int32_t prob; 637171168Smlaier uid_t cuid; 638171168Smlaier pid_t cpid; 639126258Smlaier 640126258Smlaier u_int16_t return_icmp; 641126258Smlaier u_int16_t return_icmp6; 642126258Smlaier u_int16_t max_mss; 643126258Smlaier u_int16_t tag; 644126258Smlaier u_int16_t match_tag; 645126258Smlaier 646126258Smlaier struct pf_rule_uid uid; 647126258Smlaier struct pf_rule_gid gid; 648126258Smlaier 649126258Smlaier u_int32_t rule_flag; 650126258Smlaier u_int8_t action; 651126258Smlaier u_int8_t direction; 652126258Smlaier u_int8_t log; 653171168Smlaier u_int8_t logif; 654126258Smlaier u_int8_t quick; 655126258Smlaier u_int8_t ifnot; 656126258Smlaier u_int8_t match_tag_not; 657126258Smlaier u_int8_t natpass; 658126258Smlaier 659126258Smlaier#define PF_STATE_NORMAL 0x1 660126258Smlaier#define PF_STATE_MODULATE 0x2 661126258Smlaier#define PF_STATE_SYNPROXY 0x3 662126258Smlaier u_int8_t keep_state; 663126258Smlaier sa_family_t af; 664126258Smlaier u_int8_t proto; 665126258Smlaier u_int8_t type; 666126258Smlaier u_int8_t code; 667126258Smlaier u_int8_t flags; 668126258Smlaier u_int8_t flagset; 669126258Smlaier u_int8_t min_ttl; 670126258Smlaier u_int8_t allow_opts; 671126258Smlaier u_int8_t rt; 672126258Smlaier u_int8_t return_ttl; 673126258Smlaier u_int8_t tos; 674145836Smlaier u_int8_t anchor_relative; 675145836Smlaier u_int8_t anchor_wildcard; 676145836Smlaier 677145836Smlaier#define PF_FLUSH 0x01 678145836Smlaier#define PF_FLUSH_GLOBAL 0x02 679145836Smlaier u_int8_t flush; 680126258Smlaier}; 681126258Smlaier 682126258Smlaier/* rule flags */ 683126258Smlaier#define PFRULE_DROP 0x0000 684126258Smlaier#define PFRULE_RETURNRST 0x0001 685126258Smlaier#define PFRULE_FRAGMENT 0x0002 686126258Smlaier#define PFRULE_RETURNICMP 0x0004 687126258Smlaier#define PFRULE_RETURN 0x0008 688130613Smlaier#define PFRULE_NOSYNC 0x0010 689130613Smlaier#define PFRULE_SRCTRACK 0x0020 /* track source states */ 690130613Smlaier#define PFRULE_RULESRCTRACK 0x0040 /* per rule */ 691126258Smlaier 692126258Smlaier/* scrub flags */ 693126258Smlaier#define PFRULE_NODF 0x0100 694126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 695126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 696126258Smlaier#define PFRULE_RANDOMID 0x0800 697126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 698126258Smlaier 699130613Smlaier/* rule flags again */ 700130613Smlaier#define PFRULE_IFBOUND 0x00010000 /* if-bound */ 701130613Smlaier 702126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 703171168Smlaier#define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */ 704171168Smlaier#define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */ 705126258Smlaier 706145836Smlaier 707145836Smlaierstruct pf_threshold { 708145836Smlaier u_int32_t limit; 709145836Smlaier#define PF_THRESHOLD_MULT 1000 710145836Smlaier#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT 711145836Smlaier u_int32_t seconds; 712145836Smlaier u_int32_t count; 713145836Smlaier u_int32_t last; 714145836Smlaier}; 715145836Smlaier 716130613Smlaierstruct pf_src_node { 717130613Smlaier RB_ENTRY(pf_src_node) entry; 718130613Smlaier struct pf_addr addr; 719130613Smlaier struct pf_addr raddr; 720130613Smlaier union pf_rule_ptr rule; 721130613Smlaier struct pfi_kif *kif; 722171168Smlaier u_int64_t bytes[2]; 723171168Smlaier u_int64_t packets[2]; 724130613Smlaier u_int32_t states; 725145836Smlaier u_int32_t conn; 726145836Smlaier struct pf_threshold conn_rate; 727130613Smlaier u_int32_t creation; 728130613Smlaier u_int32_t expire; 729130613Smlaier sa_family_t af; 730130613Smlaier u_int8_t ruletype; 731130613Smlaier}; 732126258Smlaier 733130613Smlaier#define PFSNODE_HIWAT 10000 /* default source node table size */ 734130613Smlaier 735126258Smlaierstruct pf_state_scrub { 736145836Smlaier struct timeval pfss_last; /* time received last packet */ 737145836Smlaier u_int32_t pfss_tsecr; /* last echoed timestamp */ 738145836Smlaier u_int32_t pfss_tsval; /* largest timestamp */ 739145836Smlaier u_int32_t pfss_tsval0; /* original timestamp */ 740126258Smlaier u_int16_t pfss_flags; 741145836Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 742145836Smlaier#define PFSS_PAWS 0x0010 /* stricter PAWS checks */ 743145836Smlaier#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */ 744145836Smlaier#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */ 745145836Smlaier#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */ 746145836Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 747126258Smlaier u_int8_t pad; 748145836Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 749126258Smlaier}; 750126258Smlaier 751126258Smlaierstruct pf_state_host { 752126258Smlaier struct pf_addr addr; 753126258Smlaier u_int16_t port; 754126258Smlaier u_int16_t pad; 755126258Smlaier}; 756126258Smlaier 757126258Smlaierstruct pf_state_peer { 758126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 759126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 760126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 761126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 762126258Smlaier u_int8_t state; /* active state level */ 763126258Smlaier u_int8_t wscale; /* window scaling factor */ 764126258Smlaier u_int16_t mss; /* Maximum segment size option */ 765171168Smlaier u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */ 766126258Smlaier struct pf_state_scrub *scrub; /* state is scrubbed */ 767171168Smlaier u_int8_t pad[3]; 768126258Smlaier}; 769126258Smlaier 770130613SmlaierTAILQ_HEAD(pf_state_queue, pf_state); 771130613Smlaier 772171168Smlaier/* keep synced with struct pf_state, used in RB_FIND */ 773171168Smlaierstruct pf_state_cmp { 774171168Smlaier u_int64_t id; 775171168Smlaier u_int32_t creatorid; 776171168Smlaier struct pf_state_host lan; 777171168Smlaier struct pf_state_host gwy; 778171168Smlaier struct pf_state_host ext; 779171168Smlaier sa_family_t af; 780171168Smlaier u_int8_t proto; 781171168Smlaier u_int8_t direction; 782171168Smlaier u_int8_t pad; 783171168Smlaier}; 784171168Smlaier 785126258Smlaierstruct pf_state { 786130613Smlaier u_int64_t id; 787171168Smlaier u_int32_t creatorid; 788171168Smlaier struct pf_state_host lan; 789171168Smlaier struct pf_state_host gwy; 790171168Smlaier struct pf_state_host ext; 791171168Smlaier sa_family_t af; 792171168Smlaier u_int8_t proto; 793171168Smlaier u_int8_t direction; 794171168Smlaier#ifdef __FreeBSD__ 795171168Smlaier u_int8_t local_flags; 796171168Smlaier#define PFSTATE_EXPIRING 0x01 797171168Smlaier#else 798171168Smlaier u_int8_t pad; 799171168Smlaier#endif 800171168Smlaier u_int8_t log; 801171168Smlaier u_int8_t allow_opts; 802171168Smlaier u_int8_t timeout; 803171168Smlaier u_int8_t sync_flags; 804171168Smlaier#define PFSTATE_NOSYNC 0x01 805171168Smlaier#define PFSTATE_FROMSYNC 0x02 806171168Smlaier#define PFSTATE_STALE 0x04 807130613Smlaier union { 808130613Smlaier struct { 809130613Smlaier RB_ENTRY(pf_state) entry_lan_ext; 810130613Smlaier RB_ENTRY(pf_state) entry_ext_gwy; 811130613Smlaier RB_ENTRY(pf_state) entry_id; 812171168Smlaier TAILQ_ENTRY(pf_state) entry_list; 813130613Smlaier struct pfi_kif *kif; 814130613Smlaier } s; 815130613Smlaier char ifname[IFNAMSIZ]; 816130613Smlaier } u; 817126258Smlaier struct pf_state_peer src; 818126258Smlaier struct pf_state_peer dst; 819126258Smlaier union pf_rule_ptr rule; 820126258Smlaier union pf_rule_ptr anchor; 821126258Smlaier union pf_rule_ptr nat_rule; 822126258Smlaier struct pf_addr rt_addr; 823130613Smlaier struct pfi_kif *rt_kif; 824130613Smlaier struct pf_src_node *src_node; 825130613Smlaier struct pf_src_node *nat_src_node; 826171168Smlaier u_int64_t packets[2]; 827171168Smlaier u_int64_t bytes[2]; 828126258Smlaier u_int32_t creation; 829126258Smlaier u_int32_t expire; 830130613Smlaier u_int32_t pfsync_time; 831145836Smlaier u_int16_t tag; 832126258Smlaier}; 833126258Smlaier 834126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 835126258Smlaier 836126258Smlaierstruct pf_anchor; 837126258Smlaier 838126258Smlaierstruct pf_ruleset { 839126258Smlaier struct { 840126258Smlaier struct pf_rulequeue queues[2]; 841126258Smlaier struct { 842126258Smlaier struct pf_rulequeue *ptr; 843171168Smlaier struct pf_rule **ptr_array; 844171168Smlaier u_int32_t rcount; 845126258Smlaier u_int32_t ticket; 846130613Smlaier int open; 847126258Smlaier } active, inactive; 848126258Smlaier } rules[PF_RULESET_MAX]; 849126258Smlaier struct pf_anchor *anchor; 850126258Smlaier u_int32_t tticket; 851126258Smlaier int tables; 852126258Smlaier int topen; 853126258Smlaier}; 854126258Smlaier 855145836SmlaierRB_HEAD(pf_anchor_global, pf_anchor); 856145836SmlaierRB_HEAD(pf_anchor_node, pf_anchor); 857126258Smlaierstruct pf_anchor { 858145836Smlaier RB_ENTRY(pf_anchor) entry_global; 859145836Smlaier RB_ENTRY(pf_anchor) entry_node; 860145836Smlaier struct pf_anchor *parent; 861145836Smlaier struct pf_anchor_node children; 862126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 863145836Smlaier char path[MAXPATHLEN]; 864145836Smlaier struct pf_ruleset ruleset; 865145836Smlaier int refcnt; /* anchor rules */ 866171168Smlaier int match; 867126258Smlaier}; 868145836SmlaierRB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare); 869145836SmlaierRB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare); 870126258Smlaier 871130613Smlaier#define PF_RESERVED_ANCHOR "_pf" 872130613Smlaier 873126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 874126258Smlaier#define PFR_TFLAG_CONST 0x00000002 875126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 876126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 877126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 878126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 879126258Smlaier#define PFR_TFLAG_USRMASK 0x00000003 880126258Smlaier#define PFR_TFLAG_SETMASK 0x0000003C 881126258Smlaier#define PFR_TFLAG_ALLMASK 0x0000003F 882126258Smlaier 883126258Smlaierstruct pfr_table { 884145836Smlaier char pfrt_anchor[MAXPATHLEN]; 885126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 886126258Smlaier u_int32_t pfrt_flags; 887126258Smlaier u_int8_t pfrt_fback; 888126258Smlaier}; 889126258Smlaier 890126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 891126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 892126258Smlaier PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX }; 893126258Smlaier 894126258Smlaierstruct pfr_addr { 895126258Smlaier union { 896126258Smlaier struct in_addr _pfra_ip4addr; 897126258Smlaier struct in6_addr _pfra_ip6addr; 898126258Smlaier } pfra_u; 899126258Smlaier u_int8_t pfra_af; 900126258Smlaier u_int8_t pfra_net; 901126258Smlaier u_int8_t pfra_not; 902126258Smlaier u_int8_t pfra_fback; 903126258Smlaier}; 904126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 905126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 906126258Smlaier 907126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 908126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 909126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 910126258Smlaier 911126258Smlaierstruct pfr_astats { 912126258Smlaier struct pfr_addr pfras_a; 913126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 914126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 915126258Smlaier long pfras_tzero; 916126258Smlaier}; 917126258Smlaier 918126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 919126258Smlaier 920126258Smlaierstruct pfr_tstats { 921126258Smlaier struct pfr_table pfrts_t; 922126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 923126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 924126258Smlaier u_int64_t pfrts_match; 925126258Smlaier u_int64_t pfrts_nomatch; 926126258Smlaier long pfrts_tzero; 927126258Smlaier int pfrts_cnt; 928126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 929126258Smlaier}; 930126258Smlaier#define pfrts_name pfrts_t.pfrt_name 931126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 932126258Smlaier 933135615Smlaier#ifndef _SOCKADDR_UNION_DEFINED 934135615Smlaier#define _SOCKADDR_UNION_DEFINED 935135615Smlaierunion sockaddr_union { 936135615Smlaier struct sockaddr sa; 937135615Smlaier struct sockaddr_in sin; 938135615Smlaier struct sockaddr_in6 sin6; 939135615Smlaier}; 940135615Smlaier#endif /* _SOCKADDR_UNION_DEFINED */ 941135615Smlaier 942126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 943126258Smlaierstruct pfr_kentry { 944126258Smlaier struct radix_node pfrke_node[2]; 945126258Smlaier union sockaddr_union pfrke_sa; 946126258Smlaier u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 947126258Smlaier u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 948126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 949126258Smlaier long pfrke_tzero; 950126258Smlaier u_int8_t pfrke_af; 951126258Smlaier u_int8_t pfrke_net; 952126258Smlaier u_int8_t pfrke_not; 953126258Smlaier u_int8_t pfrke_mark; 954145836Smlaier u_int8_t pfrke_intrpool; 955126258Smlaier}; 956126258Smlaier 957126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 958126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 959126258Smlaierstruct pfr_ktable { 960126258Smlaier struct pfr_tstats pfrkt_ts; 961126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 962126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 963126258Smlaier struct radix_node_head *pfrkt_ip4; 964126258Smlaier struct radix_node_head *pfrkt_ip6; 965126258Smlaier struct pfr_ktable *pfrkt_shadow; 966126258Smlaier struct pfr_ktable *pfrkt_root; 967126258Smlaier struct pf_ruleset *pfrkt_rs; 968130613Smlaier long pfrkt_larg; 969126258Smlaier int pfrkt_nflags; 970126258Smlaier}; 971126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 972126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 973130613Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 974130613Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 975126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 976126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 977126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 978126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 979126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 980126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 981126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 982126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 983126258Smlaier 984130613SmlaierRB_HEAD(pf_state_tree_lan_ext, pf_state); 985130613SmlaierRB_PROTOTYPE(pf_state_tree_lan_ext, pf_state, 986130613Smlaier u.s.entry_lan_ext, pf_state_compare_lan_ext); 987130613Smlaier 988130613SmlaierRB_HEAD(pf_state_tree_ext_gwy, pf_state); 989130613SmlaierRB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state, 990130613Smlaier u.s.entry_ext_gwy, pf_state_compare_ext_gwy); 991130613Smlaier 992171168SmlaierTAILQ_HEAD(pfi_statehead, pfi_kif); 993171168SmlaierRB_HEAD(pfi_ifhead, pfi_kif); 994171168Smlaier 995171168Smlaier/* keep synced with pfi_kif, used in RB_FIND */ 996171168Smlaierstruct pfi_kif_cmp { 997171168Smlaier char pfik_name[IFNAMSIZ]; 998130613Smlaier}; 999130613Smlaier 1000130613Smlaierstruct pfi_kif { 1001171168Smlaier char pfik_name[IFNAMSIZ]; 1002130613Smlaier RB_ENTRY(pfi_kif) pfik_tree; 1003171168Smlaier u_int64_t pfik_packets[2][2][2]; 1004171168Smlaier u_int64_t pfik_bytes[2][2][2]; 1005171168Smlaier u_int32_t pfik_tzero; 1006171168Smlaier int pfik_flags; 1007130613Smlaier struct pf_state_tree_lan_ext pfik_lan_ext; 1008130613Smlaier struct pf_state_tree_ext_gwy pfik_ext_gwy; 1009130613Smlaier TAILQ_ENTRY(pfi_kif) pfik_w_states; 1010171168Smlaier#ifndef __FreeBSD__ 1011130613Smlaier void *pfik_ah_cookie; 1012171168Smlaier#endif 1013130613Smlaier struct ifnet *pfik_ifp; 1014171168Smlaier struct ifg_group *pfik_group; 1015130613Smlaier int pfik_states; 1016130613Smlaier int pfik_rules; 1017171168Smlaier TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs; 1018130613Smlaier}; 1019130613Smlaier 1020171168Smlaierenum pfi_kif_refs { 1021171168Smlaier PFI_KIF_REF_NONE, 1022171168Smlaier PFI_KIF_REF_STATE, 1023171168Smlaier PFI_KIF_REF_RULE 1024171168Smlaier}; 1025171168Smlaier 1026145836Smlaier#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */ 1027171168Smlaier/* XXX: revisist */ 1028145836Smlaier#define PFI_IFLAG_SETABLE_MASK 0x0100 /* setable via DIOC{SET,CLR}IFFLAG */ 1029130613Smlaier#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */ 1030130613Smlaier 1031126258Smlaierstruct pf_pdesc { 1032171168Smlaier struct { 1033171168Smlaier int done; 1034171168Smlaier uid_t uid; 1035171168Smlaier gid_t gid; 1036171168Smlaier pid_t pid; 1037171168Smlaier } lookup; 1038126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 1039126258Smlaier union { 1040126258Smlaier struct tcphdr *tcp; 1041126258Smlaier struct udphdr *udp; 1042126258Smlaier struct icmp *icmp; 1043126258Smlaier#ifdef INET6 1044126258Smlaier struct icmp6_hdr *icmp6; 1045126258Smlaier#endif /* INET6 */ 1046126258Smlaier void *any; 1047126258Smlaier } hdr; 1048130613Smlaier struct pf_addr baddr; /* address before translation */ 1049130613Smlaier struct pf_addr naddr; /* address after translation */ 1050130613Smlaier struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */ 1051126258Smlaier struct pf_addr *src; 1052126258Smlaier struct pf_addr *dst; 1053145836Smlaier struct ether_header 1054145836Smlaier *eh; 1055171168Smlaier struct pf_mtag *pf_mtag; 1056126258Smlaier u_int16_t *ip_sum; 1057126258Smlaier u_int32_t p_len; /* total length of payload */ 1058126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 1059126258Smlaier * state code. Easier than tags */ 1060126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 1061145836Smlaier#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */ 1062126258Smlaier sa_family_t af; 1063126258Smlaier u_int8_t proto; 1064126258Smlaier u_int8_t tos; 1065126258Smlaier}; 1066126258Smlaier 1067126258Smlaier/* flags for RDR options */ 1068126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 1069126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 1070126258Smlaier 1071126258Smlaier/* Reasons code for passing/dropping a packet */ 1072126258Smlaier#define PFRES_MATCH 0 /* Explicit match of a rule */ 1073126258Smlaier#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 1074126258Smlaier#define PFRES_FRAG 2 /* Dropping following fragment */ 1075126258Smlaier#define PFRES_SHORT 3 /* Dropping short packet */ 1076126258Smlaier#define PFRES_NORM 4 /* Dropping by normalizer */ 1077126258Smlaier#define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 1078145836Smlaier#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */ 1079145836Smlaier#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */ 1080145836Smlaier#define PFRES_IPOPTIONS 8 /* IP option */ 1081145836Smlaier#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */ 1082145836Smlaier#define PFRES_BADSTATE 10 /* State mismatch */ 1083145836Smlaier#define PFRES_STATEINS 11 /* State insertion failure */ 1084145836Smlaier#define PFRES_MAXSTATES 12 /* State limit */ 1085145836Smlaier#define PFRES_SRCLIMIT 13 /* Source node/conn limit */ 1086145836Smlaier#define PFRES_SYNPROXY 14 /* SYN proxy */ 1087145836Smlaier#define PFRES_MAX 15 /* total+1 */ 1088126258Smlaier 1089126258Smlaier#define PFRES_NAMES { \ 1090126258Smlaier "match", \ 1091126258Smlaier "bad-offset", \ 1092126258Smlaier "fragment", \ 1093126258Smlaier "short", \ 1094126258Smlaier "normalize", \ 1095126258Smlaier "memory", \ 1096145836Smlaier "bad-timestamp", \ 1097145836Smlaier "congestion", \ 1098145836Smlaier "ip-option", \ 1099145836Smlaier "proto-cksum", \ 1100145836Smlaier "state-mismatch", \ 1101145836Smlaier "state-insert", \ 1102145836Smlaier "state-limit", \ 1103145836Smlaier "src-limit", \ 1104145836Smlaier "synproxy", \ 1105126258Smlaier NULL \ 1106126258Smlaier} 1107126258Smlaier 1108145836Smlaier/* Counters for other things we want to keep track of */ 1109145836Smlaier#define LCNT_STATES 0 /* states */ 1110145836Smlaier#define LCNT_SRCSTATES 1 /* max-src-states */ 1111145836Smlaier#define LCNT_SRCNODES 2 /* max-src-nodes */ 1112145836Smlaier#define LCNT_SRCCONN 3 /* max-src-conn */ 1113145836Smlaier#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */ 1114145836Smlaier#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */ 1115145836Smlaier#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */ 1116145836Smlaier#define LCNT_MAX 7 /* total+1 */ 1117145836Smlaier 1118145836Smlaier#define LCNT_NAMES { \ 1119145836Smlaier "max states per rule", \ 1120145836Smlaier "max-src-states", \ 1121145836Smlaier "max-src-nodes", \ 1122145836Smlaier "max-src-conn", \ 1123145836Smlaier "max-src-conn-rate", \ 1124145836Smlaier "overload table insertion", \ 1125145836Smlaier "overload flush states", \ 1126145836Smlaier NULL \ 1127145836Smlaier} 1128145836Smlaier 1129126258Smlaier/* UDP state enumeration */ 1130126258Smlaier#define PFUDPS_NO_TRAFFIC 0 1131126258Smlaier#define PFUDPS_SINGLE 1 1132126258Smlaier#define PFUDPS_MULTIPLE 2 1133126258Smlaier 1134126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 1135126258Smlaier 1136126258Smlaier#define PFUDPS_NAMES { \ 1137126258Smlaier "NO_TRAFFIC", \ 1138126258Smlaier "SINGLE", \ 1139126258Smlaier "MULTIPLE", \ 1140126258Smlaier NULL \ 1141126258Smlaier} 1142126258Smlaier 1143126258Smlaier/* Other protocol state enumeration */ 1144126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 1145126258Smlaier#define PFOTHERS_SINGLE 1 1146126258Smlaier#define PFOTHERS_MULTIPLE 2 1147126258Smlaier 1148126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 1149126258Smlaier 1150126258Smlaier#define PFOTHERS_NAMES { \ 1151126258Smlaier "NO_TRAFFIC", \ 1152126258Smlaier "SINGLE", \ 1153126258Smlaier "MULTIPLE", \ 1154126258Smlaier NULL \ 1155126258Smlaier} 1156126258Smlaier 1157126258Smlaier#define FCNT_STATE_SEARCH 0 1158126258Smlaier#define FCNT_STATE_INSERT 1 1159126258Smlaier#define FCNT_STATE_REMOVALS 2 1160126258Smlaier#define FCNT_MAX 3 1161126258Smlaier 1162130613Smlaier#define SCNT_SRC_NODE_SEARCH 0 1163130613Smlaier#define SCNT_SRC_NODE_INSERT 1 1164130613Smlaier#define SCNT_SRC_NODE_REMOVALS 2 1165130613Smlaier#define SCNT_MAX 3 1166126258Smlaier 1167126258Smlaier#define ACTION_SET(a, x) \ 1168126258Smlaier do { \ 1169126258Smlaier if ((a) != NULL) \ 1170126258Smlaier *(a) = (x); \ 1171126258Smlaier } while (0) 1172126258Smlaier 1173126258Smlaier#define REASON_SET(a, x) \ 1174126258Smlaier do { \ 1175126258Smlaier if ((a) != NULL) \ 1176126258Smlaier *(a) = (x); \ 1177126258Smlaier if (x < PFRES_MAX) \ 1178126258Smlaier pf_status.counters[x]++; \ 1179126258Smlaier } while (0) 1180126258Smlaier 1181126258Smlaierstruct pf_status { 1182126258Smlaier u_int64_t counters[PFRES_MAX]; 1183145836Smlaier u_int64_t lcounters[LCNT_MAX]; /* limit counters */ 1184126258Smlaier u_int64_t fcounters[FCNT_MAX]; 1185130613Smlaier u_int64_t scounters[SCNT_MAX]; 1186126258Smlaier u_int64_t pcounters[2][2][3]; 1187126258Smlaier u_int64_t bcounters[2][2]; 1188130613Smlaier u_int64_t stateid; 1189126258Smlaier u_int32_t running; 1190126258Smlaier u_int32_t states; 1191130613Smlaier u_int32_t src_nodes; 1192126258Smlaier u_int32_t since; 1193126258Smlaier u_int32_t debug; 1194130613Smlaier u_int32_t hostid; 1195126258Smlaier char ifname[IFNAMSIZ]; 1196171168Smlaier u_int8_t pf_chksum[PF_MD5_DIGEST_LENGTH]; 1197126258Smlaier}; 1198126258Smlaier 1199126258Smlaierstruct cbq_opts { 1200126258Smlaier u_int minburst; 1201126258Smlaier u_int maxburst; 1202126258Smlaier u_int pktsize; 1203126258Smlaier u_int maxpktsize; 1204126258Smlaier u_int ns_per_byte; 1205126258Smlaier u_int maxidle; 1206126258Smlaier int minidle; 1207126258Smlaier u_int offtime; 1208126258Smlaier int flags; 1209126258Smlaier}; 1210126258Smlaier 1211126258Smlaierstruct priq_opts { 1212126258Smlaier int flags; 1213126258Smlaier}; 1214126258Smlaier 1215126258Smlaierstruct hfsc_opts { 1216126258Smlaier /* real-time service curve */ 1217126258Smlaier u_int rtsc_m1; /* slope of the 1st segment in bps */ 1218126258Smlaier u_int rtsc_d; /* the x-projection of m1 in msec */ 1219126258Smlaier u_int rtsc_m2; /* slope of the 2nd segment in bps */ 1220126258Smlaier /* link-sharing service curve */ 1221126258Smlaier u_int lssc_m1; 1222126258Smlaier u_int lssc_d; 1223126258Smlaier u_int lssc_m2; 1224126258Smlaier /* upper-limit service curve */ 1225126258Smlaier u_int ulsc_m1; 1226126258Smlaier u_int ulsc_d; 1227126258Smlaier u_int ulsc_m2; 1228126258Smlaier int flags; 1229126258Smlaier}; 1230126258Smlaier 1231126258Smlaierstruct pf_altq { 1232126258Smlaier char ifname[IFNAMSIZ]; 1233126258Smlaier 1234126258Smlaier void *altq_disc; /* discipline-specific state */ 1235126258Smlaier TAILQ_ENTRY(pf_altq) entries; 1236126258Smlaier 1237126258Smlaier /* scheduler spec */ 1238126258Smlaier u_int8_t scheduler; /* scheduler type */ 1239126258Smlaier u_int16_t tbrsize; /* tokenbucket regulator size */ 1240126258Smlaier u_int32_t ifbandwidth; /* interface bandwidth */ 1241126258Smlaier 1242126258Smlaier /* queue spec */ 1243126258Smlaier char qname[PF_QNAME_SIZE]; /* queue name */ 1244126258Smlaier char parent[PF_QNAME_SIZE]; /* parent name */ 1245126258Smlaier u_int32_t parent_qid; /* parent queue id */ 1246126258Smlaier u_int32_t bandwidth; /* queue bandwidth */ 1247126258Smlaier u_int8_t priority; /* priority */ 1248126258Smlaier u_int16_t qlimit; /* queue size limit */ 1249126258Smlaier u_int16_t flags; /* misc flags */ 1250126258Smlaier union { 1251126258Smlaier struct cbq_opts cbq_opts; 1252126258Smlaier struct priq_opts priq_opts; 1253126258Smlaier struct hfsc_opts hfsc_opts; 1254126258Smlaier } pq_u; 1255126258Smlaier 1256126258Smlaier u_int32_t qid; /* return value */ 1257126258Smlaier}; 1258126258Smlaier 1259171168Smlaier#ifndef __FreeBSD__ 1260171168Smlaier 1261171168Smlaier#define PF_TAG_GENERATED 0x01 1262171168Smlaier#define PF_TAG_FRAGCACHE 0x02 1263171168Smlaier#define PF_TAG_TRANSLATE_LOCALHOST 0x04 1264171168Smlaier 1265171168Smlaierstruct pf_mtag { 1266171168Smlaier void *hdr; /* saved hdr pos in mbuf, for ECN */ 1267171168Smlaier u_int rtableid; /* alternate routing table id */ 1268171168Smlaier u_int32_t qid; /* queue id */ 1269171168Smlaier u_int16_t tag; /* tag id */ 1270171168Smlaier u_int8_t flags; 1271171168Smlaier u_int8_t routed; 1272171168Smlaier sa_family_t af; /* for ECN */ 1273171168Smlaier}; 1274171168Smlaier#endif 1275171168Smlaier 1276126258Smlaierstruct pf_tag { 1277126258Smlaier u_int16_t tag; /* tag id */ 1278126258Smlaier}; 1279126258Smlaier 1280126258Smlaierstruct pf_tagname { 1281126258Smlaier TAILQ_ENTRY(pf_tagname) entries; 1282126258Smlaier char name[PF_TAG_NAME_SIZE]; 1283126258Smlaier u_int16_t tag; 1284126258Smlaier int ref; 1285126258Smlaier}; 1286126258Smlaier 1287126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 1288126258Smlaier#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */ 1289126258Smlaier#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */ 1290126258Smlaier#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */ 1291126258Smlaier 1292171168Smlaier#define PFR_KTABLE_HIWAT 1000 /* Number of tables */ 1293171168Smlaier#define PFR_KENTRY_HIWAT 200000 /* Number of table entries */ 1294171168Smlaier#define PFR_KENTRY_HIWAT_SMALL 100000 /* Number of table entries (tiny hosts) */ 1295171168Smlaier 1296126258Smlaier/* 1297126258Smlaier * ioctl parameter structures 1298126258Smlaier */ 1299126258Smlaier 1300126258Smlaierstruct pfioc_pooladdr { 1301126258Smlaier u_int32_t action; 1302126258Smlaier u_int32_t ticket; 1303126258Smlaier u_int32_t nr; 1304126258Smlaier u_int32_t r_num; 1305126258Smlaier u_int8_t r_action; 1306126258Smlaier u_int8_t r_last; 1307126258Smlaier u_int8_t af; 1308145836Smlaier char anchor[MAXPATHLEN]; 1309126258Smlaier struct pf_pooladdr addr; 1310126258Smlaier}; 1311126258Smlaier 1312126258Smlaierstruct pfioc_rule { 1313126258Smlaier u_int32_t action; 1314126258Smlaier u_int32_t ticket; 1315126258Smlaier u_int32_t pool_ticket; 1316126258Smlaier u_int32_t nr; 1317145836Smlaier char anchor[MAXPATHLEN]; 1318145836Smlaier char anchor_call[MAXPATHLEN]; 1319126258Smlaier struct pf_rule rule; 1320126258Smlaier}; 1321126258Smlaier 1322126258Smlaierstruct pfioc_natlook { 1323126258Smlaier struct pf_addr saddr; 1324126258Smlaier struct pf_addr daddr; 1325126258Smlaier struct pf_addr rsaddr; 1326126258Smlaier struct pf_addr rdaddr; 1327126258Smlaier u_int16_t sport; 1328126258Smlaier u_int16_t dport; 1329126258Smlaier u_int16_t rsport; 1330126258Smlaier u_int16_t rdport; 1331126258Smlaier sa_family_t af; 1332126258Smlaier u_int8_t proto; 1333126258Smlaier u_int8_t direction; 1334126258Smlaier}; 1335126258Smlaier 1336126258Smlaierstruct pfioc_state { 1337126258Smlaier u_int32_t nr; 1338126258Smlaier struct pf_state state; 1339126258Smlaier}; 1340126258Smlaier 1341171168Smlaierstruct pfioc_src_node_kill { 1342171168Smlaier /* XXX returns the number of src nodes killed in psnk_af */ 1343171168Smlaier sa_family_t psnk_af; 1344171168Smlaier struct pf_rule_addr psnk_src; 1345171168Smlaier struct pf_rule_addr psnk_dst; 1346171168Smlaier}; 1347171168Smlaier 1348126258Smlaierstruct pfioc_state_kill { 1349126258Smlaier /* XXX returns the number of states killed in psk_af */ 1350126258Smlaier sa_family_t psk_af; 1351126258Smlaier int psk_proto; 1352126258Smlaier struct pf_rule_addr psk_src; 1353126258Smlaier struct pf_rule_addr psk_dst; 1354130613Smlaier char psk_ifname[IFNAMSIZ]; 1355126258Smlaier}; 1356126258Smlaier 1357126258Smlaierstruct pfioc_states { 1358126258Smlaier int ps_len; 1359126258Smlaier union { 1360126258Smlaier caddr_t psu_buf; 1361126258Smlaier struct pf_state *psu_states; 1362126258Smlaier } ps_u; 1363126258Smlaier#define ps_buf ps_u.psu_buf 1364126258Smlaier#define ps_states ps_u.psu_states 1365126258Smlaier}; 1366126258Smlaier 1367130613Smlaierstruct pfioc_src_nodes { 1368130613Smlaier int psn_len; 1369130613Smlaier union { 1370130613Smlaier caddr_t psu_buf; 1371130613Smlaier struct pf_src_node *psu_src_nodes; 1372130613Smlaier } psn_u; 1373130613Smlaier#define psn_buf psn_u.psu_buf 1374130613Smlaier#define psn_src_nodes psn_u.psu_src_nodes 1375130613Smlaier}; 1376130613Smlaier 1377126258Smlaierstruct pfioc_if { 1378126258Smlaier char ifname[IFNAMSIZ]; 1379126258Smlaier}; 1380126258Smlaier 1381126258Smlaierstruct pfioc_tm { 1382126258Smlaier int timeout; 1383126258Smlaier int seconds; 1384126258Smlaier}; 1385126258Smlaier 1386126258Smlaierstruct pfioc_limit { 1387126258Smlaier int index; 1388126258Smlaier unsigned limit; 1389126258Smlaier}; 1390126258Smlaier 1391126258Smlaierstruct pfioc_altq { 1392126258Smlaier u_int32_t action; 1393126258Smlaier u_int32_t ticket; 1394126258Smlaier u_int32_t nr; 1395126258Smlaier struct pf_altq altq; 1396126258Smlaier}; 1397126258Smlaier 1398126258Smlaierstruct pfioc_qstats { 1399126258Smlaier u_int32_t ticket; 1400126258Smlaier u_int32_t nr; 1401126258Smlaier void *buf; 1402126258Smlaier int nbytes; 1403126258Smlaier u_int8_t scheduler; 1404126258Smlaier}; 1405126258Smlaier 1406145836Smlaierstruct pfioc_ruleset { 1407126258Smlaier u_int32_t nr; 1408145836Smlaier char path[MAXPATHLEN]; 1409126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1410126258Smlaier}; 1411126258Smlaier 1412130613Smlaier#define PF_RULESET_ALTQ (PF_RULESET_MAX) 1413130613Smlaier#define PF_RULESET_TABLE (PF_RULESET_MAX+1) 1414130613Smlaierstruct pfioc_trans { 1415130613Smlaier int size; /* number of elements */ 1416130613Smlaier int esize; /* size of each element in bytes */ 1417130613Smlaier struct pfioc_trans_e { 1418130613Smlaier int rs_num; 1419145836Smlaier char anchor[MAXPATHLEN]; 1420130613Smlaier u_int32_t ticket; 1421130613Smlaier } *array; 1422130613Smlaier}; 1423130613Smlaier 1424126258Smlaier#define PFR_FLAG_ATOMIC 0x00000001 1425126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1426126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1427126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1428126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1429126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1430126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1431126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1432130613Smlaier#ifdef _KERNEL 1433130613Smlaier#define PFR_FLAG_USERIOCTL 0x10000000 1434130613Smlaier#endif 1435126258Smlaier 1436126258Smlaierstruct pfioc_table { 1437126258Smlaier struct pfr_table pfrio_table; 1438126258Smlaier void *pfrio_buffer; 1439126258Smlaier int pfrio_esize; 1440126258Smlaier int pfrio_size; 1441126258Smlaier int pfrio_size2; 1442126258Smlaier int pfrio_nadd; 1443126258Smlaier int pfrio_ndel; 1444126258Smlaier int pfrio_nchange; 1445126258Smlaier int pfrio_flags; 1446126258Smlaier u_int32_t pfrio_ticket; 1447126258Smlaier}; 1448126258Smlaier#define pfrio_exists pfrio_nadd 1449126258Smlaier#define pfrio_nzero pfrio_nadd 1450126258Smlaier#define pfrio_nmatch pfrio_nadd 1451126258Smlaier#define pfrio_naddr pfrio_size2 1452126258Smlaier#define pfrio_setflag pfrio_size2 1453126258Smlaier#define pfrio_clrflag pfrio_nadd 1454126258Smlaier 1455130613Smlaierstruct pfioc_iface { 1456130613Smlaier char pfiio_name[IFNAMSIZ]; 1457130613Smlaier void *pfiio_buffer; 1458130613Smlaier int pfiio_esize; 1459130613Smlaier int pfiio_size; 1460130613Smlaier int pfiio_nzero; 1461130613Smlaier int pfiio_flags; 1462130613Smlaier}; 1463130613Smlaier 1464130613Smlaier 1465126258Smlaier/* 1466126258Smlaier * ioctl operations 1467126258Smlaier */ 1468126258Smlaier 1469126258Smlaier#define DIOCSTART _IO ('D', 1) 1470126258Smlaier#define DIOCSTOP _IO ('D', 2) 1471126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1472126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1473126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1474126258Smlaier/* XXX cut 8 - 17 */ 1475130613Smlaier#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill) 1476126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1477126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1478126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1479126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1480126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1481126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1482126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1483126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1484126258Smlaier/* XXX cut 26 - 28 */ 1485126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1486126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1487126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1488126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1489126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1490126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1491126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1492126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1493126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1494126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1495126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1496126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1497126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1498126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1499126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1500126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1501126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1502126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1503126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1504145836Smlaier/* XXX cut 55 - 57 */ 1505126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1506126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1507126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1508126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1509126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1510126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1511126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1512126258Smlaier#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1513126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1514126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1515126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1516126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1517126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1518126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1519126258Smlaier#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1520126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1521126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1522126258Smlaier#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1523126258Smlaier#define DIOCOSFPFLUSH _IO('D', 78) 1524126258Smlaier#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1525126258Smlaier#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1526130613Smlaier#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans) 1527130613Smlaier#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans) 1528130613Smlaier#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans) 1529130613Smlaier#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes) 1530130613Smlaier#define DIOCCLRSRCNODES _IO('D', 85) 1531130613Smlaier#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t) 1532130613Smlaier#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface) 1533145836Smlaier#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface) 1534145836Smlaier#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface) 1535171168Smlaier#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill) 1536127145Smlaier#ifdef __FreeBSD__ 1537126261Smlaierstruct pf_ifspeed { 1538126261Smlaier char ifname[IFNAMSIZ]; 1539126261Smlaier u_int32_t baudrate; 1540126261Smlaier}; 1541171168Smlaier#define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed) 1542126261Smlaier#endif 1543126258Smlaier 1544126258Smlaier#ifdef _KERNEL 1545130613SmlaierRB_HEAD(pf_src_tree, pf_src_node); 1546130613SmlaierRB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare); 1547130613Smlaierextern struct pf_src_tree tree_src_tracking; 1548126258Smlaier 1549130613SmlaierRB_HEAD(pf_state_tree_id, pf_state); 1550130613SmlaierRB_PROTOTYPE(pf_state_tree_id, pf_state, 1551130613Smlaier entry_id, pf_state_compare_id); 1552130613Smlaierextern struct pf_state_tree_id tree_id; 1553171168Smlaierextern struct pf_state_queue state_list; 1554130613Smlaier 1555126258SmlaierTAILQ_HEAD(pf_poolqueue, pf_pool); 1556130613Smlaierextern struct pf_poolqueue pf_pools[2]; 1557126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1558130613Smlaierextern struct pf_altqqueue pf_altqs[2]; 1559130613Smlaierextern struct pf_palist pf_pabuf; 1560126258Smlaier 1561126258Smlaierextern u_int32_t ticket_altqs_active; 1562126258Smlaierextern u_int32_t ticket_altqs_inactive; 1563130613Smlaierextern int altqs_inactive_open; 1564126258Smlaierextern u_int32_t ticket_pabuf; 1565126258Smlaierextern struct pf_altqqueue *pf_altqs_active; 1566126258Smlaierextern struct pf_altqqueue *pf_altqs_inactive; 1567126258Smlaierextern struct pf_poolqueue *pf_pools_active; 1568126258Smlaierextern struct pf_poolqueue *pf_pools_inactive; 1569126258Smlaierextern int pf_tbladdr_setup(struct pf_ruleset *, 1570126258Smlaier struct pf_addr_wrap *); 1571126258Smlaierextern void pf_tbladdr_remove(struct pf_addr_wrap *); 1572126258Smlaierextern void pf_tbladdr_copyout(struct pf_addr_wrap *); 1573126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1574127145Smlaier#ifdef __FreeBSD__ 1575130613Smlaierextern uma_zone_t pf_src_tree_pl, pf_rule_pl; 1576126261Smlaierextern uma_zone_t pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1577145836Smlaierextern uma_zone_t pfr_ktable_pl, pfr_kentry_pl, pfr_kentry_pl2; 1578126261Smlaierextern uma_zone_t pf_cache_pl, pf_cent_pl; 1579126261Smlaierextern uma_zone_t pf_state_scrub_pl; 1580130613Smlaierextern uma_zone_t pfi_addr_pl; 1581126261Smlaier#else 1582130613Smlaierextern struct pool pf_src_tree_pl, pf_rule_pl; 1583126258Smlaierextern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1584126258Smlaierextern struct pool pf_state_scrub_pl; 1585126261Smlaier#endif 1586171168Smlaierextern void pf_purge_thread(void *); 1587171168Smlaierextern void pf_purge_expired_src_nodes(int); 1588171168Smlaierextern void pf_purge_expired_states(u_int32_t); 1589171168Smlaierextern void pf_unlink_state(struct pf_state *); 1590171168Smlaierextern void pf_free_state(struct pf_state *); 1591130613Smlaierextern int pf_insert_state(struct pfi_kif *, 1592130613Smlaier struct pf_state *); 1593130613Smlaierextern int pf_insert_src_node(struct pf_src_node **, 1594130613Smlaier struct pf_rule *, struct pf_addr *, 1595130613Smlaier sa_family_t); 1596130613Smlaiervoid pf_src_tree_remove_state(struct pf_state *); 1597171168Smlaierextern struct pf_state *pf_find_state_byid(struct pf_state_cmp *); 1598171168Smlaierextern struct pf_state *pf_find_state_all(struct pf_state_cmp *key, 1599130613Smlaier u_int8_t tree, int *more); 1600145836Smlaierextern void pf_print_state(struct pf_state *); 1601145836Smlaierextern void pf_print_flags(u_int8_t); 1602133574Smlaierextern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t, 1603133574Smlaier u_int8_t); 1604126258Smlaier 1605130613Smlaierextern struct ifnet *sync_ifp; 1606126258Smlaierextern struct pf_rule pf_default_rule; 1607126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1608126258Smlaier u_int8_t); 1609126258Smlaiervoid pf_rm_rule(struct pf_rulequeue *, 1610126258Smlaier struct pf_rule *); 1611126258Smlaier 1612126258Smlaier#ifdef INET 1613135920Smlaier#ifdef __FreeBSD__ 1614145836Smlaierint pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *, 1615145836Smlaier struct inpcb *); 1616135920Smlaier#else 1617145836Smlaierint pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *); 1618135920Smlaier#endif 1619126258Smlaier#endif /* INET */ 1620126258Smlaier 1621126258Smlaier#ifdef INET6 1622135920Smlaier#ifdef __FreeBSD__ 1623145836Smlaierint pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *, 1624145836Smlaier struct inpcb *); 1625135920Smlaier#else 1626145836Smlaierint pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *); 1627135920Smlaier#endif 1628126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1629126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1630126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1631126258Smlaier#endif /* INET6 */ 1632126258Smlaier 1633171168Smlaier#ifdef __FreeBSD__ 1634171168Smlaieru_int32_t pf_new_isn(struct pf_state *); 1635171168Smlaier#endif 1636126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1637126258Smlaier sa_family_t); 1638126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1639130613Smlaierint pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t, 1640171168Smlaier u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *, 1641171168Smlaier struct pf_pdesc *); 1642126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1643126258Smlaier struct pf_addr *, sa_family_t); 1644126258Smlaierint pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t); 1645126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1646126258Smlaierint pf_match_uid(u_int8_t, uid_t, uid_t, uid_t); 1647126258Smlaierint pf_match_gid(u_int8_t, gid_t, gid_t, gid_t); 1648126258Smlaier 1649126258Smlaiervoid pf_normalize_init(void); 1650145836Smlaierint pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *, 1651145836Smlaier struct pf_pdesc *); 1652145836Smlaierint pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *, 1653145836Smlaier struct pf_pdesc *); 1654130613Smlaierint pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *, 1655126258Smlaier struct pf_pdesc *); 1656126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1657126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1658126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1659126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1660145836Smlaier u_short *, struct tcphdr *, struct pf_state *, 1661145836Smlaier struct pf_state_peer *, struct pf_state_peer *, int *); 1662126258Smlaieru_int32_t 1663126258Smlaier pf_state_expires(const struct pf_state *); 1664126258Smlaiervoid pf_purge_expired_fragments(void); 1665171168Smlaierint pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kif *); 1666145836Smlaierint pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *); 1667171168Smlaier#ifdef __FreeBSD__ 1668171168Smlaierint pf_socket_lookup(int, struct pf_pdesc *, struct inpcb *); 1669171168Smlaier#else 1670171168Smlaierint pf_socket_lookup(int, struct pf_pdesc *); 1671171168Smlaier#endif 1672126258Smlaiervoid pfr_initialize(void); 1673126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 1674126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 1675126258Smlaier u_int64_t, int, int, int); 1676126258Smlaierint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, 1677126258Smlaier struct pf_addr **, struct pf_addr **, sa_family_t); 1678130613Smlaiervoid pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *); 1679126258Smlaierstruct pfr_ktable * 1680126258Smlaier pfr_attach_table(struct pf_ruleset *, char *); 1681126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 1682126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 1683126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 1684126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 1685126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 1686126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 1687126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 1688126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 1689126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 1690145836Smlaierint pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long); 1691126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1692126258Smlaier int); 1693126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1694126258Smlaier int); 1695126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1696171168Smlaier int *, int *, int *, int, u_int32_t); 1697126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 1698126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 1699126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 1700126258Smlaier int); 1701126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1702126258Smlaier int); 1703126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 1704130613Smlaierint pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int); 1705126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 1706126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 1707126258Smlaier int *, u_int32_t, int); 1708126258Smlaier 1709171168Smlaierextern struct pfi_statehead pfi_statehead; 1710171168Smlaierextern struct pfi_kif *pfi_all; 1711171168Smlaier 1712130613Smlaiervoid pfi_initialize(void); 1713130613Smlaier#ifdef __FreeBSD__ 1714130613Smlaiervoid pfi_cleanup(void); 1715130613Smlaier#endif 1716171168Smlaierstruct pfi_kif *pfi_kif_get(const char *); 1717171168Smlaiervoid pfi_kif_ref(struct pfi_kif *, enum pfi_kif_refs); 1718171168Smlaiervoid pfi_kif_unref(struct pfi_kif *, enum pfi_kif_refs); 1719171168Smlaierint pfi_kif_match(struct pfi_kif *, struct pfi_kif *); 1720130613Smlaiervoid pfi_attach_ifnet(struct ifnet *); 1721130613Smlaiervoid pfi_detach_ifnet(struct ifnet *); 1722171168Smlaiervoid pfi_attach_ifgroup(struct ifg_group *); 1723171168Smlaiervoid pfi_detach_ifgroup(struct ifg_group *); 1724171168Smlaiervoid pfi_group_change(const char *); 1725171168Smlaierint pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *, 1726171168Smlaier sa_family_t); 1727130613Smlaierint pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t); 1728171168Smlaiervoid pfi_dynaddr_remove(struct pf_addr_wrap *); 1729130613Smlaiervoid pfi_dynaddr_copyout(struct pf_addr_wrap *); 1730130613Smlaiervoid pfi_fill_oldstatus(struct pf_status *); 1731171168Smlaierint pfi_clr_istats(const char *); 1732171168Smlaierint pfi_get_ifaces(const char *, struct pfi_kif *, int *); 1733145836Smlaierint pfi_set_flags(const char *, int); 1734145836Smlaierint pfi_clear_flags(const char *, int); 1735130613Smlaier 1736171168Smlaieru_int16_t pf_tagname2tag(char *); 1737171168Smlaiervoid pf_tag2tagname(u_int16_t, char *); 1738171168Smlaiervoid pf_tag_ref(u_int16_t); 1739171168Smlaiervoid pf_tag_unref(u_int16_t); 1740171168Smlaierint pf_tag_packet(struct mbuf *, struct pf_mtag *, int, int); 1741171168Smlaieru_int32_t pf_qname2qid(char *); 1742171168Smlaiervoid pf_qid2qname(u_int32_t, char *); 1743171168Smlaiervoid pf_qid_unref(u_int32_t); 1744171168Smlaier#ifndef __FreeBSD__ 1745171168Smlaierstruct pf_mtag *pf_find_mtag(struct mbuf *); 1746171168Smlaierstruct pf_mtag *pf_get_mtag(struct mbuf *); 1747171168Smlaier#endif 1748130613Smlaier 1749126258Smlaierextern struct pf_status pf_status; 1750126261Smlaier 1751127145Smlaier#ifdef __FreeBSD__ 1752126261Smlaierextern uma_zone_t pf_frent_pl, pf_frag_pl; 1753171168Smlaierextern struct sx pf_consistency_lock; 1754126261Smlaier#else 1755126258Smlaierextern struct pool pf_frent_pl, pf_frag_pl; 1756171168Smlaierextern struct rwlock pf_consistency_lock; 1757126261Smlaier#endif 1758126258Smlaier 1759126258Smlaierstruct pf_pool_limit { 1760126258Smlaier void *pp; 1761126258Smlaier unsigned limit; 1762126258Smlaier}; 1763126258Smlaierextern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX]; 1764126258Smlaier 1765127145Smlaier#ifdef __FreeBSD__ 1766126261Smlaierstruct pf_frent { 1767126261Smlaier LIST_ENTRY(pf_frent) fr_next; 1768126261Smlaier struct ip *fr_ip; 1769126261Smlaier struct mbuf *fr_m; 1770126261Smlaier}; 1771126261Smlaier 1772126261Smlaierstruct pf_frcache { 1773126261Smlaier LIST_ENTRY(pf_frcache) fr_next; 1774126261Smlaier uint16_t fr_off; 1775126261Smlaier uint16_t fr_end; 1776126261Smlaier}; 1777126261Smlaier 1778126261Smlaierstruct pf_fragment { 1779126261Smlaier RB_ENTRY(pf_fragment) fr_entry; 1780126261Smlaier TAILQ_ENTRY(pf_fragment) frag_next; 1781126261Smlaier struct in_addr fr_src; 1782126261Smlaier struct in_addr fr_dst; 1783126261Smlaier u_int8_t fr_p; /* protocol of this fragment */ 1784126261Smlaier u_int8_t fr_flags; /* status flags */ 1785126261Smlaier u_int16_t fr_id; /* fragment id for reassemble */ 1786126261Smlaier u_int16_t fr_max; /* fragment data max */ 1787126261Smlaier u_int32_t fr_timeout; 1788126261Smlaier#define fr_queue fr_u.fru_queue 1789126261Smlaier#define fr_cache fr_u.fru_cache 1790126261Smlaier union { 1791126261Smlaier LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */ 1792126261Smlaier LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */ 1793126261Smlaier } fr_u; 1794126261Smlaier}; 1795126261Smlaier#endif /* (__FreeBSD__) */ 1796126261Smlaier 1797126258Smlaier#endif /* _KERNEL */ 1798126258Smlaier 1799171168Smlaierextern struct pf_anchor_global pf_anchors; 1800171168Smlaierextern struct pf_anchor pf_main_anchor; 1801171168Smlaier#define pf_main_ruleset pf_main_anchor.ruleset 1802171168Smlaier 1803171168Smlaier/* these ruleset functions can be linked into userland programs (pfctl) */ 1804171168Smlaierint pf_get_ruleset_number(u_int8_t); 1805171168Smlaiervoid pf_init_ruleset(struct pf_ruleset *); 1806171168Smlaierint pf_anchor_setup(struct pf_rule *, 1807171168Smlaier const struct pf_ruleset *, const char *); 1808171168Smlaierint pf_anchor_copyout(const struct pf_ruleset *, 1809171168Smlaier const struct pf_rule *, struct pfioc_rule *); 1810171168Smlaiervoid pf_anchor_remove(struct pf_rule *); 1811171168Smlaiervoid pf_remove_if_empty_ruleset(struct pf_ruleset *); 1812171168Smlaierstruct pf_anchor *pf_find_anchor(const char *); 1813171168Smlaierstruct pf_ruleset *pf_find_ruleset(const char *); 1814171168Smlaierstruct pf_ruleset *pf_find_or_create_ruleset(const char *); 1815171168Smlaiervoid pf_rs_initialize(void); 1816171168Smlaier 1817171168Smlaier#ifndef __FreeBSD__ 1818171168Smlaier/* ?!? */ 1819171168Smlaier#ifdef _KERNEL 1820171168Smlaierint pf_anchor_copyout(const struct pf_ruleset *, 1821171168Smlaier const struct pf_rule *, struct pfioc_rule *); 1822171168Smlaiervoid pf_anchor_remove(struct pf_rule *); 1823171168Smlaier 1824171168Smlaier#endif /* _KERNEL */ 1825171168Smlaier#endif 1826171168Smlaier 1827126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 1828126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 1829126258Smlaier#ifdef _KERNEL 1830126258Smlaierstruct pf_osfp_enlist * 1831126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 1832126258Smlaier const struct tcphdr *); 1833126258Smlaier#endif /* _KERNEL */ 1834126258Smlaierstruct pf_osfp_enlist * 1835171168Smlaier pf_osfp_fingerprint_hdr(const struct ip *, const struct ip6_hdr *, 1836171168Smlaier const struct tcphdr *); 1837126258Smlaiervoid pf_osfp_flush(void); 1838126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 1839127145Smlaier#ifdef __FreeBSD__ 1840126261Smlaierint pf_osfp_initialize(void); 1841126261Smlaiervoid pf_osfp_cleanup(void); 1842126261Smlaier#else 1843126258Smlaiervoid pf_osfp_initialize(void); 1844126261Smlaier#endif 1845126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 1846126258Smlaierstruct pf_os_fingerprint * 1847126258Smlaier pf_osfp_validate(void); 1848126258Smlaier 1849126258Smlaier 1850126258Smlaier#endif /* _NET_PFVAR_H_ */ 1851