pfvar.h revision 145836
1126261Smlaier/* $FreeBSD: head/sys/contrib/pf/net/pfvar.h 145836 2005-05-03 16:43:32Z mlaier $ */ 2145836Smlaier/* $OpenBSD: pfvar.h,v 1.213 2005/03/03 07:13:39 dhartmei 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> 41126258Smlaier 42126258Smlaier#include <net/radix.h> 43145836Smlaier#include <net/route.h> 44127145Smlaier#ifdef __FreeBSD__ 45130933Sbrooks#include <net/if_clone.h> 46126261Smlaier#include <vm/uma.h> 47126261Smlaier#else 48126258Smlaier#include <netinet/ip_ipsp.h> 49126261Smlaier#endif 50126261Smlaier 51127145Smlaier#ifdef __FreeBSD__ 52126261Smlaier#include <netinet/in.h> 53126261Smlaier#endif 54126261Smlaier 55126258Smlaier#include <netinet/tcp_fsm.h> 56126258Smlaier 57126258Smlaierstruct ip; 58135920Smlaier#ifdef __FreeBSD__ 59135920Smlaierstruct inpcb; 60135920Smlaier#endif 61126258Smlaier 62126258Smlaier#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0) 63126258Smlaier#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1) 64126258Smlaier 65126258Smlaierenum { PF_INOUT, PF_IN, PF_OUT }; 66130613Smlaierenum { PF_LAN_EXT, PF_EXT_GWY, PF_ID }; 67145836Smlaierenum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT, 68126258Smlaier PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP }; 69126258Smlaierenum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT, 70126258Smlaier PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX }; 71126258Smlaierenum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT, 72126258Smlaier PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG }; 73126258Smlaierenum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY }; 74126258Smlaierenum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL, 75126258Smlaier PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER, 76126258Smlaier PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET }; 77126258Smlaier/* 78126258Smlaier * Note about PFTM_*: real indices into pf_rule.timeout[] come before 79126258Smlaier * PFTM_MAX, special cases afterwards. See pf_state_expires(). 80126258Smlaier */ 81126258Smlaierenum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED, 82126258Smlaier PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED, 83126258Smlaier PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE, 84126258Smlaier PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY, 85126258Smlaier PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE, 86126258Smlaier PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL, 87130613Smlaier PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE, 88145836Smlaier PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNTIL_PACKET }; 89145836Smlaier 90145836Smlaier/* PFTM default values */ 91145836Smlaier#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */ 92145836Smlaier#define PFTM_TCP_OPENING_VAL 30 /* No response yet */ 93145836Smlaier#define PFTM_TCP_ESTABLISHED_VAL 24*60*60/* Established */ 94145836Smlaier#define PFTM_TCP_CLOSING_VAL 15 * 60 /* Half closed */ 95145836Smlaier#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */ 96145836Smlaier#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */ 97145836Smlaier#define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */ 98145836Smlaier#define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */ 99145836Smlaier#define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */ 100145836Smlaier#define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */ 101145836Smlaier#define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */ 102145836Smlaier#define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */ 103145836Smlaier#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */ 104145836Smlaier#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */ 105145836Smlaier#define PFTM_FRAG_VAL 30 /* Fragment expire */ 106145836Smlaier#define PFTM_INTERVAL_VAL 10 /* Expire interval */ 107145836Smlaier#define PFTM_SRC_NODE_VAL 0 /* Source tracking */ 108145836Smlaier#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */ 109145836Smlaier 110126258Smlaierenum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO }; 111130613Smlaierenum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, PF_LIMIT_MAX }; 112126258Smlaier#define PF_POOL_IDMASK 0x0f 113126258Smlaierenum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM, 114126258Smlaier PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN }; 115126258Smlaierenum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL, 116145836Smlaier PF_ADDR_TABLE, PF_ADDR_RTLABEL }; 117126258Smlaier#define PF_POOL_TYPEMASK 0x0f 118130613Smlaier#define PF_POOL_STICKYADDR 0x20 119126258Smlaier#define PF_WSCALE_FLAG 0x80 120126258Smlaier#define PF_WSCALE_MASK 0x0f 121126258Smlaier 122126258Smlaierstruct pf_addr { 123126258Smlaier union { 124126258Smlaier struct in_addr v4; 125126258Smlaier struct in6_addr v6; 126126258Smlaier u_int8_t addr8[16]; 127126258Smlaier u_int16_t addr16[8]; 128126258Smlaier u_int32_t addr32[4]; 129126258Smlaier } pfa; /* 128-bit address */ 130126258Smlaier#define v4 pfa.v4 131126258Smlaier#define v6 pfa.v6 132126258Smlaier#define addr8 pfa.addr8 133126258Smlaier#define addr16 pfa.addr16 134126258Smlaier#define addr32 pfa.addr32 135126258Smlaier}; 136126258Smlaier 137126258Smlaier#define PF_TABLE_NAME_SIZE 32 138126258Smlaier 139130613Smlaier#define PFI_AFLAG_NETWORK 0x01 140130613Smlaier#define PFI_AFLAG_BROADCAST 0x02 141130613Smlaier#define PFI_AFLAG_PEER 0x04 142130613Smlaier#define PFI_AFLAG_MODEMASK 0x07 143130613Smlaier#define PFI_AFLAG_NOALIAS 0x08 144130613Smlaier 145126258Smlaierstruct pf_addr_wrap { 146126258Smlaier union { 147126258Smlaier struct { 148126258Smlaier struct pf_addr addr; 149126258Smlaier struct pf_addr mask; 150126258Smlaier } a; 151126258Smlaier char ifname[IFNAMSIZ]; 152126258Smlaier char tblname[PF_TABLE_NAME_SIZE]; 153145836Smlaier#ifdef __FreeBSD__ 154145836Smlaier#define RTLABEL_LEN 32 155145836Smlaier#endif 156145836Smlaier char rtlabelname[RTLABEL_LEN]; 157145836Smlaier u_int32_t rtlabel; 158126258Smlaier } v; 159126258Smlaier union { 160130613Smlaier struct pfi_dynaddr *dyn; 161126258Smlaier struct pfr_ktable *tbl; 162130613Smlaier int dyncnt; 163126258Smlaier int tblcnt; 164126258Smlaier } p; 165126258Smlaier u_int8_t type; /* PF_ADDR_* */ 166130613Smlaier u_int8_t iflags; /* PFI_AFLAG_* */ 167126258Smlaier}; 168126258Smlaier 169127145Smlaier#ifdef _KERNEL 170127145Smlaier 171130613Smlaierstruct pfi_dynaddr { 172130613Smlaier struct pf_addr pfid_addr4; 173130613Smlaier struct pf_addr pfid_mask4; 174130613Smlaier struct pf_addr pfid_addr6; 175130613Smlaier struct pf_addr pfid_mask6; 176130613Smlaier struct pfr_ktable *pfid_kt; 177130613Smlaier struct pfi_kif *pfid_kif; 178130613Smlaier void *pfid_hook_cookie; 179130613Smlaier int pfid_net; /* optional mask, or 128 */ 180130613Smlaier int pfid_acnt4; /* address count, IPv4 */ 181130613Smlaier int pfid_acnt6; /* address count, IPv6 */ 182130613Smlaier sa_family_t pfid_af; /* rule address family */ 183130613Smlaier u_int8_t pfid_iflags; /* PFI_AFLAG_* */ 184126258Smlaier}; 185126258Smlaier 186126258Smlaier/* 187126258Smlaier * Address manipulation macros 188126258Smlaier */ 189126258Smlaier 190127145Smlaier#ifdef __FreeBSD__ 191126261Smlaier#define splsoftnet() splnet() 192126261Smlaier 193126263Smlaier#define HTONL(x) (x) = htonl((__uint32_t)(x)) 194126263Smlaier#define HTONS(x) (x) = htons((__uint16_t)(x)) 195126263Smlaier#define NTOHL(x) (x) = ntohl((__uint32_t)(x)) 196126263Smlaier#define NTOHS(x) (x) = ntohs((__uint16_t)(x)) 197126263Smlaier 198126261Smlaier#define PF_NAME "pf" 199126261Smlaier 200126261Smlaier#define PR_NOWAIT M_NOWAIT 201126261Smlaier#define pool_get(p, f) uma_zalloc(*(p), (f)) 202126261Smlaier#define pool_put(p, o) uma_zfree(*(p), (o)) 203126261Smlaier 204126261Smlaier#define UMA_CREATE(var, type, desc) \ 205126261Smlaier var = uma_zcreate(desc, sizeof(type), \ 206126261Smlaier NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); \ 207126261Smlaier if (var == NULL) break 208126261Smlaier#define UMA_DESTROY(var) \ 209126261Smlaier if(var) uma_zdestroy(var) 210126261Smlaier 211126261Smlaierextern struct mtx pf_task_mtx; 212126261Smlaier 213126261Smlaier#define PF_ASSERT(h) mtx_assert(&pf_task_mtx, (h)) 214126261Smlaier 215126261Smlaier#define PF_LOCK() do { \ 216126261Smlaier PF_ASSERT(MA_NOTOWNED); \ 217126261Smlaier mtx_lock(&pf_task_mtx); \ 218126261Smlaier} while(0) 219126261Smlaier#define PF_UNLOCK() do { \ 220126261Smlaier PF_ASSERT(MA_OWNED); \ 221126261Smlaier mtx_unlock(&pf_task_mtx); \ 222126261Smlaier} while(0) 223126261Smlaier 224126261Smlaier#define PF_COPYIN(uaddr, kaddr, len, r) do { \ 225126261Smlaier PF_UNLOCK(); \ 226126261Smlaier r = copyin((uaddr), (kaddr), (len)); \ 227126261Smlaier PF_LOCK(); \ 228126261Smlaier} while(0) 229126261Smlaier 230126261Smlaier#define PF_COPYOUT(kaddr, uaddr, len, r) do { \ 231126261Smlaier PF_UNLOCK(); \ 232126261Smlaier r = copyout((kaddr), (uaddr), (len)); \ 233126261Smlaier PF_LOCK(); \ 234126261Smlaier} while(0) 235126261Smlaier 236126261Smlaierextern void init_pf_mutex(void); 237126261Smlaierextern void destroy_pf_mutex(void); 238126261Smlaier 239126261Smlaier#define PF_MODVER 1 240126261Smlaier#define PFLOG_MODVER 1 241126261Smlaier#define PFSYNC_MODVER 1 242126261Smlaier 243126261Smlaier#define PFLOG_MINVER 1 244126261Smlaier#define PFLOG_PREFVER PFLOG_MODVER 245126261Smlaier#define PFLOG_MAXVER 1 246126261Smlaier#define PFSYNC_MINVER 1 247126261Smlaier#define PFSYNC_PREFVER PFSYNC_MODVER 248126261Smlaier#define PFSYNC_MAXVER 1 249126261Smlaier 250130613Smlaier/* prototyped for pf_subr.c */ 251130613Smlaierstruct hook_desc { 252130613Smlaier TAILQ_ENTRY(hook_desc) hd_list; 253130613Smlaier void (*hd_fn)(void *); 254130613Smlaier void *hd_arg; 255130613Smlaier}; 256130613SmlaierTAILQ_HEAD(hook_desc_head, hook_desc); 257130613Smlaier 258130613Smlaiervoid *hook_establish(struct hook_desc_head *, int, void (*)(void *), void *); 259130613Smlaiervoid hook_disestablish(struct hook_desc_head *, void *); 260130613Smlaiervoid dohooks(struct hook_desc_head *, int); 261130613Smlaier 262130613Smlaier#define HOOK_REMOVE 0x01 263130613Smlaier#define HOOK_FREE 0x02 264130613Smlaier#endif /* __FreeBSD__ */ 265130613Smlaier 266126258Smlaier#ifdef INET 267126258Smlaier#ifndef INET6 268126258Smlaier#define PF_INET_ONLY 269126258Smlaier#endif /* ! INET6 */ 270126258Smlaier#endif /* INET */ 271126258Smlaier 272126258Smlaier#ifdef INET6 273126258Smlaier#ifndef INET 274126258Smlaier#define PF_INET6_ONLY 275126258Smlaier#endif /* ! INET */ 276126258Smlaier#endif /* INET6 */ 277126258Smlaier 278126258Smlaier#ifdef INET 279126258Smlaier#ifdef INET6 280126258Smlaier#define PF_INET_INET6 281126258Smlaier#endif /* INET6 */ 282126258Smlaier#endif /* INET */ 283126258Smlaier 284126258Smlaier#else 285126258Smlaier 286126258Smlaier#define PF_INET_INET6 287126258Smlaier 288126258Smlaier#endif /* _KERNEL */ 289126258Smlaier 290126258Smlaier/* Both IPv4 and IPv6 */ 291126258Smlaier#ifdef PF_INET_INET6 292126258Smlaier 293126258Smlaier#define PF_AEQ(a, b, c) \ 294126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 295126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 296126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 297126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 298126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 299126258Smlaier 300126258Smlaier#define PF_ANEQ(a, b, c) \ 301126258Smlaier ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 302126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 303126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 304126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 305126258Smlaier (a)->addr32[0] != (b)->addr32[0])) \ 306126258Smlaier 307126258Smlaier#define PF_AZERO(a, c) \ 308126258Smlaier ((c == AF_INET && !(a)->addr32[0]) || \ 309126258Smlaier (!(a)->addr32[0] && !(a)->addr32[1] && \ 310126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 311126258Smlaier 312126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 313126258Smlaier pf_match_addr(n, a, m, b, f) 314126258Smlaier 315126258Smlaier#define PF_ACPY(a, b, f) \ 316126258Smlaier pf_addrcpy(a, b, f) 317126258Smlaier 318126258Smlaier#define PF_AINC(a, f) \ 319126258Smlaier pf_addr_inc(a, f) 320126258Smlaier 321126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 322126258Smlaier pf_poolmask(a, b, c, d, f) 323126258Smlaier 324126258Smlaier#else 325126258Smlaier 326126258Smlaier/* Just IPv6 */ 327126258Smlaier 328126258Smlaier#ifdef PF_INET6_ONLY 329126258Smlaier 330126258Smlaier#define PF_AEQ(a, b, c) \ 331126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 332126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 333126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 334126258Smlaier (a)->addr32[0] == (b)->addr32[0]) \ 335126258Smlaier 336126258Smlaier#define PF_ANEQ(a, b, c) \ 337126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 338126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 339126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 340126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 341126258Smlaier 342126258Smlaier#define PF_AZERO(a, c) \ 343126258Smlaier (!(a)->addr32[0] && \ 344126258Smlaier !(a)->addr32[1] && \ 345126258Smlaier !(a)->addr32[2] && \ 346126258Smlaier !(a)->addr32[3] ) \ 347126258Smlaier 348126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 349126258Smlaier pf_match_addr(n, a, m, b, f) 350126258Smlaier 351126258Smlaier#define PF_ACPY(a, b, f) \ 352126258Smlaier pf_addrcpy(a, b, f) 353126258Smlaier 354126258Smlaier#define PF_AINC(a, f) \ 355126258Smlaier pf_addr_inc(a, f) 356126258Smlaier 357126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 358126258Smlaier pf_poolmask(a, b, c, d, f) 359126258Smlaier 360126258Smlaier#else 361126258Smlaier 362126258Smlaier/* Just IPv4 */ 363126258Smlaier#ifdef PF_INET_ONLY 364126258Smlaier 365126258Smlaier#define PF_AEQ(a, b, c) \ 366126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 367126258Smlaier 368126258Smlaier#define PF_ANEQ(a, b, c) \ 369126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 370126258Smlaier 371126258Smlaier#define PF_AZERO(a, c) \ 372126258Smlaier (!(a)->addr32[0]) 373126258Smlaier 374126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 375126258Smlaier pf_match_addr(n, a, m, b, f) 376126258Smlaier 377126258Smlaier#define PF_ACPY(a, b, f) \ 378126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 379126258Smlaier 380126258Smlaier#define PF_AINC(a, f) \ 381126258Smlaier do { \ 382126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 383126258Smlaier } while (0) 384126258Smlaier 385126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 386126258Smlaier do { \ 387126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 388126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 389126258Smlaier } while (0) 390126258Smlaier 391126258Smlaier#endif /* PF_INET_ONLY */ 392126258Smlaier#endif /* PF_INET6_ONLY */ 393126258Smlaier#endif /* PF_INET_INET6 */ 394126258Smlaier 395145836Smlaier#define PF_MISMATCHAW(aw, x, af, neg) \ 396126258Smlaier ( \ 397126258Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 398126258Smlaier pf_routable((x), (af))) || \ 399145836Smlaier ((aw)->type == PF_ADDR_RTLABEL && \ 400145836Smlaier !pf_rtlabel_match((x), (af), (aw))) || \ 401126258Smlaier ((aw)->type == PF_ADDR_TABLE && \ 402126258Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 403126258Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 404130613Smlaier !pfi_match_addr((aw)->p.dyn, (x), (af))) || \ 405126258Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 406126258Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 407126258Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 408126258Smlaier &(aw)->v.a.mask, (x), (af)))) != \ 409145836Smlaier (neg) \ 410126258Smlaier ) 411126258Smlaier 412126258Smlaierstruct pf_rule_uid { 413126258Smlaier uid_t uid[2]; 414126258Smlaier u_int8_t op; 415126258Smlaier}; 416126258Smlaier 417126258Smlaierstruct pf_rule_gid { 418126258Smlaier uid_t gid[2]; 419126258Smlaier u_int8_t op; 420126258Smlaier}; 421126258Smlaier 422126258Smlaierstruct pf_rule_addr { 423126258Smlaier struct pf_addr_wrap addr; 424126258Smlaier u_int16_t port[2]; 425145836Smlaier u_int8_t neg; 426126258Smlaier u_int8_t port_op; 427126258Smlaier}; 428126258Smlaier 429126258Smlaierstruct pf_pooladdr { 430126258Smlaier struct pf_addr_wrap addr; 431126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 432126258Smlaier char ifname[IFNAMSIZ]; 433130613Smlaier struct pfi_kif *kif; 434126258Smlaier}; 435126258Smlaier 436126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 437126258Smlaier 438126258Smlaierstruct pf_poolhashkey { 439126258Smlaier union { 440126258Smlaier u_int8_t key8[16]; 441126258Smlaier u_int16_t key16[8]; 442126258Smlaier u_int32_t key32[4]; 443126258Smlaier } pfk; /* 128-bit hash key */ 444126258Smlaier#define key8 pfk.key8 445126258Smlaier#define key16 pfk.key16 446126258Smlaier#define key32 pfk.key32 447126258Smlaier}; 448126258Smlaier 449126258Smlaierstruct pf_pool { 450126258Smlaier struct pf_palist list; 451126258Smlaier struct pf_pooladdr *cur; 452126258Smlaier struct pf_poolhashkey key; 453126258Smlaier struct pf_addr counter; 454126258Smlaier int tblidx; 455126258Smlaier u_int16_t proxy_port[2]; 456126258Smlaier u_int8_t port_op; 457126258Smlaier u_int8_t opts; 458126258Smlaier}; 459126258Smlaier 460126258Smlaier 461126258Smlaier/* A packed Operating System description for fingerprinting */ 462126258Smlaiertypedef u_int32_t pf_osfp_t; 463126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 464126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 465126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 466126258Smlaier 467126258Smlaierstruct pf_osfp_entry { 468126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 469126258Smlaier pf_osfp_t fp_os; 470126258Smlaier int fp_enflags; 471126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 472126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 473126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 474126258Smlaier#define PF_OSFP_LEN 32 475126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 476126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 477126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 478126258Smlaier}; 479126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 480126258Smlaier ((a)->fp_os == (b)->fp_os && \ 481126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 482126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 483126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 484126258Smlaier 485126258Smlaier/* handle pf_osfp_t packing */ 486126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 487126258Smlaier#define _FP_UNUSED_BITS 1 488126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 489126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 490126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 491126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 492126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 493126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 494126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 495126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 496126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 497126258Smlaier} while(0) 498126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 499126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 500126258Smlaier + _FP_SUBTYPE_BITS); \ 501126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 502126258Smlaier _FP_SUBTYPE_BITS; \ 503126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 504126258Smlaier} while(0) 505126258Smlaier 506126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 507126258Smlaiertypedef u_int64_t pf_tcpopts_t; 508126258Smlaierstruct pf_os_fingerprint { 509126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 510126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 511126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 512126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 513126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 514126258Smlaier u_int16_t fp_flags; 515126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 516126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 517126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 518126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 519126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 520126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 521126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 522126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 523126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 524126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 525126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 526126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 527126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 528126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 529126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 530126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 531126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 532126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 533126258Smlaier/* TCP options packing */ 534126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 535126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 536126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 537126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 538126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 539126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 540126258Smlaier#define PF_OSFP_MAX_OPTS \ 541126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 542126258Smlaier / PF_OSFP_TCPOPT_BITS 543126258Smlaier 544126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 545126258Smlaier}; 546126258Smlaier 547126258Smlaierstruct pf_osfp_ioctl { 548126258Smlaier struct pf_osfp_entry fp_os; 549126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 550126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 551126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 552126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 553126258Smlaier u_int16_t fp_flags; 554126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 555126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 556126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 557126258Smlaier 558126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 559126258Smlaier}; 560126258Smlaier 561126258Smlaier 562126258Smlaierunion pf_rule_ptr { 563126258Smlaier struct pf_rule *ptr; 564126258Smlaier u_int32_t nr; 565126258Smlaier}; 566126258Smlaier 567145836Smlaier#define PF_ANCHOR_NAME_SIZE 64 568145836Smlaier 569126258Smlaierstruct pf_rule { 570126258Smlaier struct pf_rule_addr src; 571126258Smlaier struct pf_rule_addr dst; 572126258Smlaier#define PF_SKIP_IFP 0 573126258Smlaier#define PF_SKIP_DIR 1 574126258Smlaier#define PF_SKIP_AF 2 575126258Smlaier#define PF_SKIP_PROTO 3 576126258Smlaier#define PF_SKIP_SRC_ADDR 4 577126258Smlaier#define PF_SKIP_SRC_PORT 5 578126258Smlaier#define PF_SKIP_DST_ADDR 6 579126258Smlaier#define PF_SKIP_DST_PORT 7 580126258Smlaier#define PF_SKIP_COUNT 8 581126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 582126258Smlaier#define PF_RULE_LABEL_SIZE 64 583126258Smlaier char label[PF_RULE_LABEL_SIZE]; 584126258Smlaier#define PF_QNAME_SIZE 16 585126258Smlaier char ifname[IFNAMSIZ]; 586126258Smlaier char qname[PF_QNAME_SIZE]; 587126258Smlaier char pqname[PF_QNAME_SIZE]; 588126258Smlaier#define PF_TAG_NAME_SIZE 16 589126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 590126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 591126258Smlaier 592145836Smlaier char overload_tblname[PF_TABLE_NAME_SIZE]; 593145836Smlaier 594126258Smlaier TAILQ_ENTRY(pf_rule) entries; 595126258Smlaier struct pf_pool rpool; 596126258Smlaier 597126258Smlaier u_int64_t evaluations; 598126258Smlaier u_int64_t packets; 599126258Smlaier u_int64_t bytes; 600126258Smlaier 601130613Smlaier struct pfi_kif *kif; 602126258Smlaier struct pf_anchor *anchor; 603145836Smlaier struct pfr_ktable *overload_tbl; 604126258Smlaier 605126258Smlaier pf_osfp_t os_fingerprint; 606130613Smlaier 607130613Smlaier u_int32_t timeout[PFTM_MAX]; 608126258Smlaier u_int32_t states; 609126258Smlaier u_int32_t max_states; 610130613Smlaier u_int32_t src_nodes; 611130613Smlaier u_int32_t max_src_nodes; 612130613Smlaier u_int32_t max_src_states; 613145836Smlaier u_int32_t max_src_conn; 614145836Smlaier struct { 615145836Smlaier u_int32_t limit; 616145836Smlaier u_int32_t seconds; 617145836Smlaier } max_src_conn_rate; 618126258Smlaier u_int32_t qid; 619126258Smlaier u_int32_t pqid; 620126258Smlaier u_int32_t rt_listid; 621126258Smlaier u_int32_t nr; 622145836Smlaier u_int32_t prob; 623126258Smlaier 624126258Smlaier u_int16_t return_icmp; 625126258Smlaier u_int16_t return_icmp6; 626126258Smlaier u_int16_t max_mss; 627126258Smlaier u_int16_t tag; 628126258Smlaier u_int16_t match_tag; 629126258Smlaier 630126258Smlaier struct pf_rule_uid uid; 631126258Smlaier struct pf_rule_gid gid; 632126258Smlaier 633126258Smlaier u_int32_t rule_flag; 634126258Smlaier u_int8_t action; 635126258Smlaier u_int8_t direction; 636126258Smlaier u_int8_t log; 637126258Smlaier u_int8_t quick; 638126258Smlaier u_int8_t ifnot; 639126258Smlaier u_int8_t match_tag_not; 640126258Smlaier u_int8_t natpass; 641126258Smlaier 642126258Smlaier#define PF_STATE_NORMAL 0x1 643126258Smlaier#define PF_STATE_MODULATE 0x2 644126258Smlaier#define PF_STATE_SYNPROXY 0x3 645126258Smlaier u_int8_t keep_state; 646126258Smlaier sa_family_t af; 647126258Smlaier u_int8_t proto; 648126258Smlaier u_int8_t type; 649126258Smlaier u_int8_t code; 650126258Smlaier u_int8_t flags; 651126258Smlaier u_int8_t flagset; 652126258Smlaier u_int8_t min_ttl; 653126258Smlaier u_int8_t allow_opts; 654126258Smlaier u_int8_t rt; 655126258Smlaier u_int8_t return_ttl; 656126258Smlaier u_int8_t tos; 657145836Smlaier u_int8_t anchor_relative; 658145836Smlaier u_int8_t anchor_wildcard; 659145836Smlaier 660145836Smlaier#define PF_FLUSH 0x01 661145836Smlaier#define PF_FLUSH_GLOBAL 0x02 662145836Smlaier u_int8_t flush; 663126258Smlaier}; 664126258Smlaier 665126258Smlaier/* rule flags */ 666126258Smlaier#define PFRULE_DROP 0x0000 667126258Smlaier#define PFRULE_RETURNRST 0x0001 668126258Smlaier#define PFRULE_FRAGMENT 0x0002 669126258Smlaier#define PFRULE_RETURNICMP 0x0004 670126258Smlaier#define PFRULE_RETURN 0x0008 671130613Smlaier#define PFRULE_NOSYNC 0x0010 672130613Smlaier#define PFRULE_SRCTRACK 0x0020 /* track source states */ 673130613Smlaier#define PFRULE_RULESRCTRACK 0x0040 /* per rule */ 674126258Smlaier 675126258Smlaier/* scrub flags */ 676126258Smlaier#define PFRULE_NODF 0x0100 677126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 678126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 679126258Smlaier#define PFRULE_RANDOMID 0x0800 680126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 681126258Smlaier 682130613Smlaier/* rule flags again */ 683130613Smlaier#define PFRULE_IFBOUND 0x00010000 /* if-bound */ 684130613Smlaier#define PFRULE_GRBOUND 0x00020000 /* group-bound */ 685130613Smlaier 686126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 687126258Smlaier 688145836Smlaier 689145836Smlaierstruct pf_threshold { 690145836Smlaier u_int32_t limit; 691145836Smlaier#define PF_THRESHOLD_MULT 1000 692145836Smlaier#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT 693145836Smlaier u_int32_t seconds; 694145836Smlaier u_int32_t count; 695145836Smlaier u_int32_t last; 696145836Smlaier}; 697145836Smlaier 698130613Smlaierstruct pf_src_node { 699130613Smlaier RB_ENTRY(pf_src_node) entry; 700130613Smlaier struct pf_addr addr; 701130613Smlaier struct pf_addr raddr; 702130613Smlaier union pf_rule_ptr rule; 703130613Smlaier struct pfi_kif *kif; 704130613Smlaier u_int32_t bytes; 705130613Smlaier u_int32_t packets; 706130613Smlaier u_int32_t states; 707145836Smlaier u_int32_t conn; 708145836Smlaier struct pf_threshold conn_rate; 709130613Smlaier u_int32_t creation; 710130613Smlaier u_int32_t expire; 711130613Smlaier sa_family_t af; 712130613Smlaier u_int8_t ruletype; 713130613Smlaier}; 714126258Smlaier 715130613Smlaier#define PFSNODE_HIWAT 10000 /* default source node table size */ 716130613Smlaier 717126258Smlaierstruct pf_state_scrub { 718145836Smlaier struct timeval pfss_last; /* time received last packet */ 719145836Smlaier u_int32_t pfss_tsecr; /* last echoed timestamp */ 720145836Smlaier u_int32_t pfss_tsval; /* largest timestamp */ 721145836Smlaier u_int32_t pfss_tsval0; /* original timestamp */ 722126258Smlaier u_int16_t pfss_flags; 723145836Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 724145836Smlaier#define PFSS_PAWS 0x0010 /* stricter PAWS checks */ 725145836Smlaier#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */ 726145836Smlaier#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */ 727145836Smlaier#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */ 728145836Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 729126258Smlaier u_int8_t pad; 730145836Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 731126258Smlaier}; 732126258Smlaier 733126258Smlaierstruct pf_state_host { 734126258Smlaier struct pf_addr addr; 735126258Smlaier u_int16_t port; 736126258Smlaier u_int16_t pad; 737126258Smlaier}; 738126258Smlaier 739126258Smlaierstruct pf_state_peer { 740126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 741126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 742126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 743126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 744126258Smlaier u_int8_t state; /* active state level */ 745126258Smlaier u_int8_t wscale; /* window scaling factor */ 746126258Smlaier u_int16_t mss; /* Maximum segment size option */ 747126258Smlaier struct pf_state_scrub *scrub; /* state is scrubbed */ 748126258Smlaier}; 749126258Smlaier 750130613SmlaierTAILQ_HEAD(pf_state_queue, pf_state); 751130613Smlaier 752126258Smlaierstruct pf_state { 753130613Smlaier u_int64_t id; 754130613Smlaier union { 755130613Smlaier struct { 756130613Smlaier RB_ENTRY(pf_state) entry_lan_ext; 757130613Smlaier RB_ENTRY(pf_state) entry_ext_gwy; 758130613Smlaier RB_ENTRY(pf_state) entry_id; 759130613Smlaier TAILQ_ENTRY(pf_state) entry_updates; 760130613Smlaier struct pfi_kif *kif; 761130613Smlaier } s; 762130613Smlaier char ifname[IFNAMSIZ]; 763130613Smlaier } u; 764126258Smlaier struct pf_state_host lan; 765126258Smlaier struct pf_state_host gwy; 766126258Smlaier struct pf_state_host ext; 767126258Smlaier struct pf_state_peer src; 768126258Smlaier struct pf_state_peer dst; 769126258Smlaier union pf_rule_ptr rule; 770126258Smlaier union pf_rule_ptr anchor; 771126258Smlaier union pf_rule_ptr nat_rule; 772126258Smlaier struct pf_addr rt_addr; 773130613Smlaier struct pfi_kif *rt_kif; 774130613Smlaier struct pf_src_node *src_node; 775130613Smlaier struct pf_src_node *nat_src_node; 776126258Smlaier u_int32_t creation; 777126258Smlaier u_int32_t expire; 778130613Smlaier u_int32_t pfsync_time; 779126258Smlaier u_int32_t packets[2]; 780126258Smlaier u_int32_t bytes[2]; 781130613Smlaier u_int32_t creatorid; 782145836Smlaier u_int16_t tag; 783126258Smlaier sa_family_t af; 784126258Smlaier u_int8_t proto; 785126258Smlaier u_int8_t direction; 786126258Smlaier u_int8_t log; 787126258Smlaier u_int8_t allow_opts; 788126258Smlaier u_int8_t timeout; 789130613Smlaier u_int8_t sync_flags; 790130613Smlaier#define PFSTATE_NOSYNC 0x01 791130613Smlaier#define PFSTATE_FROMSYNC 0x02 792145836Smlaier#define PFSTATE_STALE 0x04 793130613Smlaier u_int8_t pad; 794126258Smlaier}; 795126258Smlaier 796126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 797126258Smlaier 798126258Smlaierstruct pf_anchor; 799126258Smlaier 800126258Smlaierstruct pf_ruleset { 801126258Smlaier struct { 802126258Smlaier struct pf_rulequeue queues[2]; 803126258Smlaier struct { 804126258Smlaier struct pf_rulequeue *ptr; 805126258Smlaier u_int32_t ticket; 806130613Smlaier int open; 807126258Smlaier } active, inactive; 808126258Smlaier } rules[PF_RULESET_MAX]; 809126258Smlaier struct pf_anchor *anchor; 810126258Smlaier u_int32_t tticket; 811126258Smlaier int tables; 812126258Smlaier int topen; 813126258Smlaier}; 814126258Smlaier 815145836SmlaierRB_HEAD(pf_anchor_global, pf_anchor); 816145836SmlaierRB_HEAD(pf_anchor_node, pf_anchor); 817126258Smlaierstruct pf_anchor { 818145836Smlaier RB_ENTRY(pf_anchor) entry_global; 819145836Smlaier RB_ENTRY(pf_anchor) entry_node; 820145836Smlaier struct pf_anchor *parent; 821145836Smlaier struct pf_anchor_node children; 822126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 823145836Smlaier char path[MAXPATHLEN]; 824145836Smlaier struct pf_ruleset ruleset; 825145836Smlaier int refcnt; /* anchor rules */ 826126258Smlaier}; 827145836SmlaierRB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare); 828145836SmlaierRB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare); 829126258Smlaier 830130613Smlaier#define PF_RESERVED_ANCHOR "_pf" 831130613Smlaier 832126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 833126258Smlaier#define PFR_TFLAG_CONST 0x00000002 834126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 835126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 836126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 837126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 838126258Smlaier#define PFR_TFLAG_USRMASK 0x00000003 839126258Smlaier#define PFR_TFLAG_SETMASK 0x0000003C 840126258Smlaier#define PFR_TFLAG_ALLMASK 0x0000003F 841126258Smlaier 842126258Smlaierstruct pfr_table { 843145836Smlaier char pfrt_anchor[MAXPATHLEN]; 844126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 845126258Smlaier u_int32_t pfrt_flags; 846126258Smlaier u_int8_t pfrt_fback; 847126258Smlaier}; 848126258Smlaier 849126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 850126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 851126258Smlaier PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX }; 852126258Smlaier 853126258Smlaierstruct pfr_addr { 854126258Smlaier union { 855126258Smlaier struct in_addr _pfra_ip4addr; 856126258Smlaier struct in6_addr _pfra_ip6addr; 857126258Smlaier } pfra_u; 858126258Smlaier u_int8_t pfra_af; 859126258Smlaier u_int8_t pfra_net; 860126258Smlaier u_int8_t pfra_not; 861126258Smlaier u_int8_t pfra_fback; 862126258Smlaier}; 863126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 864126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 865126258Smlaier 866126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 867126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 868126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 869126258Smlaier 870126258Smlaierstruct pfr_astats { 871126258Smlaier struct pfr_addr pfras_a; 872126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 873126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 874126258Smlaier long pfras_tzero; 875126258Smlaier}; 876126258Smlaier 877126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 878126258Smlaier 879126258Smlaierstruct pfr_tstats { 880126258Smlaier struct pfr_table pfrts_t; 881126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 882126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 883126258Smlaier u_int64_t pfrts_match; 884126258Smlaier u_int64_t pfrts_nomatch; 885126258Smlaier long pfrts_tzero; 886126258Smlaier int pfrts_cnt; 887126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 888126258Smlaier}; 889126258Smlaier#define pfrts_name pfrts_t.pfrt_name 890126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 891126258Smlaier 892135615Smlaier#ifndef _SOCKADDR_UNION_DEFINED 893135615Smlaier#define _SOCKADDR_UNION_DEFINED 894135615Smlaierunion sockaddr_union { 895135615Smlaier struct sockaddr sa; 896135615Smlaier struct sockaddr_in sin; 897135615Smlaier struct sockaddr_in6 sin6; 898135615Smlaier}; 899135615Smlaier#endif /* _SOCKADDR_UNION_DEFINED */ 900135615Smlaier 901126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 902126258Smlaierstruct pfr_kentry { 903126258Smlaier struct radix_node pfrke_node[2]; 904126258Smlaier union sockaddr_union pfrke_sa; 905126258Smlaier u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 906126258Smlaier u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 907126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 908126258Smlaier long pfrke_tzero; 909126258Smlaier u_int8_t pfrke_af; 910126258Smlaier u_int8_t pfrke_net; 911126258Smlaier u_int8_t pfrke_not; 912126258Smlaier u_int8_t pfrke_mark; 913145836Smlaier u_int8_t pfrke_intrpool; 914126258Smlaier}; 915126258Smlaier 916126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 917126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 918126258Smlaierstruct pfr_ktable { 919126258Smlaier struct pfr_tstats pfrkt_ts; 920126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 921126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 922126258Smlaier struct radix_node_head *pfrkt_ip4; 923126258Smlaier struct radix_node_head *pfrkt_ip6; 924126258Smlaier struct pfr_ktable *pfrkt_shadow; 925126258Smlaier struct pfr_ktable *pfrkt_root; 926126258Smlaier struct pf_ruleset *pfrkt_rs; 927130613Smlaier long pfrkt_larg; 928126258Smlaier int pfrkt_nflags; 929126258Smlaier}; 930126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 931126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 932130613Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 933130613Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 934126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 935126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 936126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 937126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 938126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 939126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 940126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 941126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 942126258Smlaier 943130613SmlaierRB_HEAD(pf_state_tree_lan_ext, pf_state); 944130613SmlaierRB_PROTOTYPE(pf_state_tree_lan_ext, pf_state, 945130613Smlaier u.s.entry_lan_ext, pf_state_compare_lan_ext); 946130613Smlaier 947130613SmlaierRB_HEAD(pf_state_tree_ext_gwy, pf_state); 948130613SmlaierRB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state, 949130613Smlaier u.s.entry_ext_gwy, pf_state_compare_ext_gwy); 950130613Smlaier 951130613Smlaierstruct pfi_if { 952130613Smlaier char pfif_name[IFNAMSIZ]; 953130613Smlaier u_int64_t pfif_packets[2][2][2]; 954130613Smlaier u_int64_t pfif_bytes[2][2][2]; 955130613Smlaier u_int64_t pfif_addcnt; 956130613Smlaier u_int64_t pfif_delcnt; 957130613Smlaier long pfif_tzero; 958130613Smlaier int pfif_states; 959130613Smlaier int pfif_rules; 960130613Smlaier int pfif_flags; 961130613Smlaier}; 962130613Smlaier 963130613SmlaierTAILQ_HEAD(pfi_grouphead, pfi_kif); 964130613SmlaierTAILQ_HEAD(pfi_statehead, pfi_kif); 965130613SmlaierRB_HEAD(pfi_ifhead, pfi_kif); 966130613Smlaierstruct pfi_kif { 967130613Smlaier struct pfi_if pfik_if; 968130613Smlaier RB_ENTRY(pfi_kif) pfik_tree; 969130613Smlaier struct pf_state_tree_lan_ext pfik_lan_ext; 970130613Smlaier struct pf_state_tree_ext_gwy pfik_ext_gwy; 971130613Smlaier struct pfi_grouphead pfik_grouphead; 972130613Smlaier TAILQ_ENTRY(pfi_kif) pfik_instances; 973130613Smlaier TAILQ_ENTRY(pfi_kif) pfik_w_states; 974130613Smlaier struct hook_desc_head *pfik_ah_head; 975130613Smlaier void *pfik_ah_cookie; 976130613Smlaier struct pfi_kif *pfik_parent; 977130613Smlaier struct ifnet *pfik_ifp; 978130613Smlaier int pfik_states; 979130613Smlaier int pfik_rules; 980130613Smlaier}; 981130613Smlaier#define pfik_name pfik_if.pfif_name 982130613Smlaier#define pfik_packets pfik_if.pfif_packets 983130613Smlaier#define pfik_bytes pfik_if.pfif_bytes 984130613Smlaier#define pfik_tzero pfik_if.pfif_tzero 985130613Smlaier#define pfik_flags pfik_if.pfif_flags 986130613Smlaier#define pfik_addcnt pfik_if.pfif_addcnt 987130613Smlaier#define pfik_delcnt pfik_if.pfif_delcnt 988130613Smlaier#define pfik_states pfik_if.pfif_states 989130613Smlaier#define pfik_rules pfik_if.pfif_rules 990130613Smlaier 991130613Smlaier#define PFI_IFLAG_GROUP 0x0001 /* group of interfaces */ 992130613Smlaier#define PFI_IFLAG_INSTANCE 0x0002 /* single instance */ 993130613Smlaier#define PFI_IFLAG_CLONABLE 0x0010 /* clonable group */ 994130613Smlaier#define PFI_IFLAG_DYNAMIC 0x0020 /* dynamic group */ 995130613Smlaier#define PFI_IFLAG_ATTACHED 0x0040 /* interface attached */ 996145836Smlaier#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */ 997145836Smlaier#define PFI_IFLAG_SETABLE_MASK 0x0100 /* setable via DIOC{SET,CLR}IFFLAG */ 998130613Smlaier#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */ 999130613Smlaier 1000126258Smlaierstruct pf_pdesc { 1001126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 1002126258Smlaier union { 1003126258Smlaier struct tcphdr *tcp; 1004126258Smlaier struct udphdr *udp; 1005126258Smlaier struct icmp *icmp; 1006126258Smlaier#ifdef INET6 1007126258Smlaier struct icmp6_hdr *icmp6; 1008126258Smlaier#endif /* INET6 */ 1009126258Smlaier void *any; 1010126258Smlaier } hdr; 1011130613Smlaier struct pf_addr baddr; /* address before translation */ 1012130613Smlaier struct pf_addr naddr; /* address after translation */ 1013130613Smlaier struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */ 1014126258Smlaier struct pf_addr *src; 1015126258Smlaier struct pf_addr *dst; 1016145836Smlaier struct ether_header 1017145836Smlaier *eh; 1018126258Smlaier u_int16_t *ip_sum; 1019126258Smlaier u_int32_t p_len; /* total length of payload */ 1020126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 1021126258Smlaier * state code. Easier than tags */ 1022126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 1023145836Smlaier#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */ 1024126258Smlaier sa_family_t af; 1025126258Smlaier u_int8_t proto; 1026126258Smlaier u_int8_t tos; 1027126258Smlaier}; 1028126258Smlaier 1029126258Smlaier/* flags for RDR options */ 1030126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 1031126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 1032126258Smlaier 1033126258Smlaier/* Reasons code for passing/dropping a packet */ 1034126258Smlaier#define PFRES_MATCH 0 /* Explicit match of a rule */ 1035126258Smlaier#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 1036126258Smlaier#define PFRES_FRAG 2 /* Dropping following fragment */ 1037126258Smlaier#define PFRES_SHORT 3 /* Dropping short packet */ 1038126258Smlaier#define PFRES_NORM 4 /* Dropping by normalizer */ 1039126258Smlaier#define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 1040145836Smlaier#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */ 1041145836Smlaier#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */ 1042145836Smlaier#define PFRES_IPOPTIONS 8 /* IP option */ 1043145836Smlaier#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */ 1044145836Smlaier#define PFRES_BADSTATE 10 /* State mismatch */ 1045145836Smlaier#define PFRES_STATEINS 11 /* State insertion failure */ 1046145836Smlaier#define PFRES_MAXSTATES 12 /* State limit */ 1047145836Smlaier#define PFRES_SRCLIMIT 13 /* Source node/conn limit */ 1048145836Smlaier#define PFRES_SYNPROXY 14 /* SYN proxy */ 1049145836Smlaier#define PFRES_MAX 15 /* total+1 */ 1050126258Smlaier 1051126258Smlaier#define PFRES_NAMES { \ 1052126258Smlaier "match", \ 1053126258Smlaier "bad-offset", \ 1054126258Smlaier "fragment", \ 1055126258Smlaier "short", \ 1056126258Smlaier "normalize", \ 1057126258Smlaier "memory", \ 1058145836Smlaier "bad-timestamp", \ 1059145836Smlaier "congestion", \ 1060145836Smlaier "ip-option", \ 1061145836Smlaier "proto-cksum", \ 1062145836Smlaier "state-mismatch", \ 1063145836Smlaier "state-insert", \ 1064145836Smlaier "state-limit", \ 1065145836Smlaier "src-limit", \ 1066145836Smlaier "synproxy", \ 1067126258Smlaier NULL \ 1068126258Smlaier} 1069126258Smlaier 1070145836Smlaier/* Counters for other things we want to keep track of */ 1071145836Smlaier#define LCNT_STATES 0 /* states */ 1072145836Smlaier#define LCNT_SRCSTATES 1 /* max-src-states */ 1073145836Smlaier#define LCNT_SRCNODES 2 /* max-src-nodes */ 1074145836Smlaier#define LCNT_SRCCONN 3 /* max-src-conn */ 1075145836Smlaier#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */ 1076145836Smlaier#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */ 1077145836Smlaier#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */ 1078145836Smlaier#define LCNT_MAX 7 /* total+1 */ 1079145836Smlaier 1080145836Smlaier#define LCNT_NAMES { \ 1081145836Smlaier "max states per rule", \ 1082145836Smlaier "max-src-states", \ 1083145836Smlaier "max-src-nodes", \ 1084145836Smlaier "max-src-conn", \ 1085145836Smlaier "max-src-conn-rate", \ 1086145836Smlaier "overload table insertion", \ 1087145836Smlaier "overload flush states", \ 1088145836Smlaier NULL \ 1089145836Smlaier} 1090145836Smlaier 1091126258Smlaier/* UDP state enumeration */ 1092126258Smlaier#define PFUDPS_NO_TRAFFIC 0 1093126258Smlaier#define PFUDPS_SINGLE 1 1094126258Smlaier#define PFUDPS_MULTIPLE 2 1095126258Smlaier 1096126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 1097126258Smlaier 1098126258Smlaier#define PFUDPS_NAMES { \ 1099126258Smlaier "NO_TRAFFIC", \ 1100126258Smlaier "SINGLE", \ 1101126258Smlaier "MULTIPLE", \ 1102126258Smlaier NULL \ 1103126258Smlaier} 1104126258Smlaier 1105126258Smlaier/* Other protocol state enumeration */ 1106126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 1107126258Smlaier#define PFOTHERS_SINGLE 1 1108126258Smlaier#define PFOTHERS_MULTIPLE 2 1109126258Smlaier 1110126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 1111126258Smlaier 1112126258Smlaier#define PFOTHERS_NAMES { \ 1113126258Smlaier "NO_TRAFFIC", \ 1114126258Smlaier "SINGLE", \ 1115126258Smlaier "MULTIPLE", \ 1116126258Smlaier NULL \ 1117126258Smlaier} 1118126258Smlaier 1119126258Smlaier#define FCNT_STATE_SEARCH 0 1120126258Smlaier#define FCNT_STATE_INSERT 1 1121126258Smlaier#define FCNT_STATE_REMOVALS 2 1122126258Smlaier#define FCNT_MAX 3 1123126258Smlaier 1124130613Smlaier#define SCNT_SRC_NODE_SEARCH 0 1125130613Smlaier#define SCNT_SRC_NODE_INSERT 1 1126130613Smlaier#define SCNT_SRC_NODE_REMOVALS 2 1127130613Smlaier#define SCNT_MAX 3 1128126258Smlaier 1129126258Smlaier#define ACTION_SET(a, x) \ 1130126258Smlaier do { \ 1131126258Smlaier if ((a) != NULL) \ 1132126258Smlaier *(a) = (x); \ 1133126258Smlaier } while (0) 1134126258Smlaier 1135126258Smlaier#define REASON_SET(a, x) \ 1136126258Smlaier do { \ 1137126258Smlaier if ((a) != NULL) \ 1138126258Smlaier *(a) = (x); \ 1139126258Smlaier if (x < PFRES_MAX) \ 1140126258Smlaier pf_status.counters[x]++; \ 1141126258Smlaier } while (0) 1142126258Smlaier 1143126258Smlaierstruct pf_status { 1144126258Smlaier u_int64_t counters[PFRES_MAX]; 1145145836Smlaier u_int64_t lcounters[LCNT_MAX]; /* limit counters */ 1146126258Smlaier u_int64_t fcounters[FCNT_MAX]; 1147130613Smlaier u_int64_t scounters[SCNT_MAX]; 1148126258Smlaier u_int64_t pcounters[2][2][3]; 1149126258Smlaier u_int64_t bcounters[2][2]; 1150130613Smlaier u_int64_t stateid; 1151126258Smlaier u_int32_t running; 1152126258Smlaier u_int32_t states; 1153130613Smlaier u_int32_t src_nodes; 1154126258Smlaier u_int32_t since; 1155126258Smlaier u_int32_t debug; 1156130613Smlaier u_int32_t hostid; 1157126258Smlaier char ifname[IFNAMSIZ]; 1158126258Smlaier}; 1159126258Smlaier 1160126258Smlaierstruct cbq_opts { 1161126258Smlaier u_int minburst; 1162126258Smlaier u_int maxburst; 1163126258Smlaier u_int pktsize; 1164126258Smlaier u_int maxpktsize; 1165126258Smlaier u_int ns_per_byte; 1166126258Smlaier u_int maxidle; 1167126258Smlaier int minidle; 1168126258Smlaier u_int offtime; 1169126258Smlaier int flags; 1170126258Smlaier}; 1171126258Smlaier 1172126258Smlaierstruct priq_opts { 1173126258Smlaier int flags; 1174126258Smlaier}; 1175126258Smlaier 1176126258Smlaierstruct hfsc_opts { 1177126258Smlaier /* real-time service curve */ 1178126258Smlaier u_int rtsc_m1; /* slope of the 1st segment in bps */ 1179126258Smlaier u_int rtsc_d; /* the x-projection of m1 in msec */ 1180126258Smlaier u_int rtsc_m2; /* slope of the 2nd segment in bps */ 1181126258Smlaier /* link-sharing service curve */ 1182126258Smlaier u_int lssc_m1; 1183126258Smlaier u_int lssc_d; 1184126258Smlaier u_int lssc_m2; 1185126258Smlaier /* upper-limit service curve */ 1186126258Smlaier u_int ulsc_m1; 1187126258Smlaier u_int ulsc_d; 1188126258Smlaier u_int ulsc_m2; 1189126258Smlaier int flags; 1190126258Smlaier}; 1191126258Smlaier 1192126258Smlaierstruct pf_altq { 1193126258Smlaier char ifname[IFNAMSIZ]; 1194126258Smlaier 1195126258Smlaier void *altq_disc; /* discipline-specific state */ 1196126258Smlaier TAILQ_ENTRY(pf_altq) entries; 1197126258Smlaier 1198126258Smlaier /* scheduler spec */ 1199126258Smlaier u_int8_t scheduler; /* scheduler type */ 1200126258Smlaier u_int16_t tbrsize; /* tokenbucket regulator size */ 1201126258Smlaier u_int32_t ifbandwidth; /* interface bandwidth */ 1202126258Smlaier 1203126258Smlaier /* queue spec */ 1204126258Smlaier char qname[PF_QNAME_SIZE]; /* queue name */ 1205126258Smlaier char parent[PF_QNAME_SIZE]; /* parent name */ 1206126258Smlaier u_int32_t parent_qid; /* parent queue id */ 1207126258Smlaier u_int32_t bandwidth; /* queue bandwidth */ 1208126258Smlaier u_int8_t priority; /* priority */ 1209126258Smlaier u_int16_t qlimit; /* queue size limit */ 1210126258Smlaier u_int16_t flags; /* misc flags */ 1211126258Smlaier union { 1212126258Smlaier struct cbq_opts cbq_opts; 1213126258Smlaier struct priq_opts priq_opts; 1214126258Smlaier struct hfsc_opts hfsc_opts; 1215126258Smlaier } pq_u; 1216126258Smlaier 1217126258Smlaier u_int32_t qid; /* return value */ 1218126258Smlaier}; 1219126258Smlaier 1220126258Smlaierstruct pf_tag { 1221126258Smlaier u_int16_t tag; /* tag id */ 1222126258Smlaier}; 1223126258Smlaier 1224126258Smlaierstruct pf_tagname { 1225126258Smlaier TAILQ_ENTRY(pf_tagname) entries; 1226126258Smlaier char name[PF_TAG_NAME_SIZE]; 1227126258Smlaier u_int16_t tag; 1228126258Smlaier int ref; 1229126258Smlaier}; 1230126258Smlaier 1231126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 1232126258Smlaier#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */ 1233126258Smlaier#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */ 1234126258Smlaier#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */ 1235126258Smlaier 1236126258Smlaier/* 1237126258Smlaier * ioctl parameter structures 1238126258Smlaier */ 1239126258Smlaier 1240126258Smlaierstruct pfioc_pooladdr { 1241126258Smlaier u_int32_t action; 1242126258Smlaier u_int32_t ticket; 1243126258Smlaier u_int32_t nr; 1244126258Smlaier u_int32_t r_num; 1245126258Smlaier u_int8_t r_action; 1246126258Smlaier u_int8_t r_last; 1247126258Smlaier u_int8_t af; 1248145836Smlaier char anchor[MAXPATHLEN]; 1249126258Smlaier struct pf_pooladdr addr; 1250126258Smlaier}; 1251126258Smlaier 1252126258Smlaierstruct pfioc_rule { 1253126258Smlaier u_int32_t action; 1254126258Smlaier u_int32_t ticket; 1255126258Smlaier u_int32_t pool_ticket; 1256126258Smlaier u_int32_t nr; 1257145836Smlaier char anchor[MAXPATHLEN]; 1258145836Smlaier char anchor_call[MAXPATHLEN]; 1259126258Smlaier struct pf_rule rule; 1260126258Smlaier}; 1261126258Smlaier 1262126258Smlaierstruct pfioc_natlook { 1263126258Smlaier struct pf_addr saddr; 1264126258Smlaier struct pf_addr daddr; 1265126258Smlaier struct pf_addr rsaddr; 1266126258Smlaier struct pf_addr rdaddr; 1267126258Smlaier u_int16_t sport; 1268126258Smlaier u_int16_t dport; 1269126258Smlaier u_int16_t rsport; 1270126258Smlaier u_int16_t rdport; 1271126258Smlaier sa_family_t af; 1272126258Smlaier u_int8_t proto; 1273126258Smlaier u_int8_t direction; 1274126258Smlaier}; 1275126258Smlaier 1276126258Smlaierstruct pfioc_state { 1277126258Smlaier u_int32_t nr; 1278126258Smlaier struct pf_state state; 1279126258Smlaier}; 1280126258Smlaier 1281126258Smlaierstruct pfioc_state_kill { 1282126258Smlaier /* XXX returns the number of states killed in psk_af */ 1283126258Smlaier sa_family_t psk_af; 1284126258Smlaier int psk_proto; 1285126258Smlaier struct pf_rule_addr psk_src; 1286126258Smlaier struct pf_rule_addr psk_dst; 1287130613Smlaier char psk_ifname[IFNAMSIZ]; 1288126258Smlaier}; 1289126258Smlaier 1290126258Smlaierstruct pfioc_states { 1291126258Smlaier int ps_len; 1292126258Smlaier union { 1293126258Smlaier caddr_t psu_buf; 1294126258Smlaier struct pf_state *psu_states; 1295126258Smlaier } ps_u; 1296126258Smlaier#define ps_buf ps_u.psu_buf 1297126258Smlaier#define ps_states ps_u.psu_states 1298126258Smlaier}; 1299126258Smlaier 1300130613Smlaierstruct pfioc_src_nodes { 1301130613Smlaier int psn_len; 1302130613Smlaier union { 1303130613Smlaier caddr_t psu_buf; 1304130613Smlaier struct pf_src_node *psu_src_nodes; 1305130613Smlaier } psn_u; 1306130613Smlaier#define psn_buf psn_u.psu_buf 1307130613Smlaier#define psn_src_nodes psn_u.psu_src_nodes 1308130613Smlaier}; 1309130613Smlaier 1310126258Smlaierstruct pfioc_if { 1311126258Smlaier char ifname[IFNAMSIZ]; 1312126258Smlaier}; 1313126258Smlaier 1314126258Smlaierstruct pfioc_tm { 1315126258Smlaier int timeout; 1316126258Smlaier int seconds; 1317126258Smlaier}; 1318126258Smlaier 1319126258Smlaierstruct pfioc_limit { 1320126258Smlaier int index; 1321126258Smlaier unsigned limit; 1322126258Smlaier}; 1323126258Smlaier 1324126258Smlaierstruct pfioc_altq { 1325126258Smlaier u_int32_t action; 1326126258Smlaier u_int32_t ticket; 1327126258Smlaier u_int32_t nr; 1328126258Smlaier struct pf_altq altq; 1329126258Smlaier}; 1330126258Smlaier 1331126258Smlaierstruct pfioc_qstats { 1332126258Smlaier u_int32_t ticket; 1333126258Smlaier u_int32_t nr; 1334126258Smlaier void *buf; 1335126258Smlaier int nbytes; 1336126258Smlaier u_int8_t scheduler; 1337126258Smlaier}; 1338126258Smlaier 1339145836Smlaierstruct pfioc_ruleset { 1340126258Smlaier u_int32_t nr; 1341145836Smlaier char path[MAXPATHLEN]; 1342126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1343126258Smlaier}; 1344126258Smlaier 1345130613Smlaier#define PF_RULESET_ALTQ (PF_RULESET_MAX) 1346130613Smlaier#define PF_RULESET_TABLE (PF_RULESET_MAX+1) 1347130613Smlaierstruct pfioc_trans { 1348130613Smlaier int size; /* number of elements */ 1349130613Smlaier int esize; /* size of each element in bytes */ 1350130613Smlaier struct pfioc_trans_e { 1351130613Smlaier int rs_num; 1352145836Smlaier char anchor[MAXPATHLEN]; 1353130613Smlaier u_int32_t ticket; 1354130613Smlaier } *array; 1355130613Smlaier}; 1356130613Smlaier 1357126258Smlaier#define PFR_FLAG_ATOMIC 0x00000001 1358126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1359126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1360126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1361126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1362126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1363126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1364126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1365130613Smlaier#ifdef _KERNEL 1366130613Smlaier#define PFR_FLAG_USERIOCTL 0x10000000 1367130613Smlaier#endif 1368126258Smlaier 1369126258Smlaierstruct pfioc_table { 1370126258Smlaier struct pfr_table pfrio_table; 1371126258Smlaier void *pfrio_buffer; 1372126258Smlaier int pfrio_esize; 1373126258Smlaier int pfrio_size; 1374126258Smlaier int pfrio_size2; 1375126258Smlaier int pfrio_nadd; 1376126258Smlaier int pfrio_ndel; 1377126258Smlaier int pfrio_nchange; 1378126258Smlaier int pfrio_flags; 1379126258Smlaier u_int32_t pfrio_ticket; 1380126258Smlaier}; 1381126258Smlaier#define pfrio_exists pfrio_nadd 1382126258Smlaier#define pfrio_nzero pfrio_nadd 1383126258Smlaier#define pfrio_nmatch pfrio_nadd 1384126258Smlaier#define pfrio_naddr pfrio_size2 1385126258Smlaier#define pfrio_setflag pfrio_size2 1386126258Smlaier#define pfrio_clrflag pfrio_nadd 1387126258Smlaier 1388126258Smlaier 1389130613Smlaier#define PFI_FLAG_GROUP 0x0001 /* gets groups of interfaces */ 1390130613Smlaier#define PFI_FLAG_INSTANCE 0x0002 /* gets single interfaces */ 1391130613Smlaier#define PFI_FLAG_ALLMASK 0x0003 1392130613Smlaier 1393130613Smlaierstruct pfioc_iface { 1394130613Smlaier char pfiio_name[IFNAMSIZ]; 1395130613Smlaier void *pfiio_buffer; 1396130613Smlaier int pfiio_esize; 1397130613Smlaier int pfiio_size; 1398130613Smlaier int pfiio_nzero; 1399130613Smlaier int pfiio_flags; 1400130613Smlaier}; 1401130613Smlaier 1402130613Smlaier 1403126258Smlaier/* 1404126258Smlaier * ioctl operations 1405126258Smlaier */ 1406126258Smlaier 1407126258Smlaier#define DIOCSTART _IO ('D', 1) 1408126258Smlaier#define DIOCSTOP _IO ('D', 2) 1409126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1410126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1411126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1412126258Smlaier/* XXX cut 8 - 17 */ 1413130613Smlaier#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill) 1414126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1415126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1416126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1417126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1418126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1419126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1420126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1421126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1422126258Smlaier/* XXX cut 26 - 28 */ 1423126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1424126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1425126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1426126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1427126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1428126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1429126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1430126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1431126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1432126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1433126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1434126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1435126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1436126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1437126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1438126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1439126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1440126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1441126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1442145836Smlaier/* XXX cut 55 - 57 */ 1443126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1444126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1445126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1446126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1447126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1448126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1449126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1450126258Smlaier#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1451126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1452126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1453126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1454126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1455126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1456126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1457126258Smlaier#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1458126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1459126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1460126258Smlaier#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1461126258Smlaier#define DIOCOSFPFLUSH _IO('D', 78) 1462126258Smlaier#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1463126258Smlaier#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1464130613Smlaier#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans) 1465130613Smlaier#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans) 1466130613Smlaier#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans) 1467130613Smlaier#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes) 1468130613Smlaier#define DIOCCLRSRCNODES _IO('D', 85) 1469130613Smlaier#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t) 1470130613Smlaier#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface) 1471130613Smlaier#define DIOCICLRISTATS _IOWR('D', 88, struct pfioc_iface) 1472145836Smlaier#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface) 1473145836Smlaier#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface) 1474127145Smlaier#ifdef __FreeBSD__ 1475126261Smlaierstruct pf_ifspeed { 1476126261Smlaier char ifname[IFNAMSIZ]; 1477126261Smlaier u_int32_t baudrate; 1478126261Smlaier}; 1479145836Smlaier#define DIOCGIFSPEED _IOWR('D', 91, struct pf_ifspeed) 1480126261Smlaier#endif 1481126258Smlaier 1482126258Smlaier#ifdef _KERNEL 1483130613SmlaierRB_HEAD(pf_src_tree, pf_src_node); 1484130613SmlaierRB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare); 1485130613Smlaierextern struct pf_src_tree tree_src_tracking; 1486126258Smlaier 1487130613SmlaierRB_HEAD(pf_state_tree_id, pf_state); 1488130613SmlaierRB_PROTOTYPE(pf_state_tree_id, pf_state, 1489130613Smlaier entry_id, pf_state_compare_id); 1490130613Smlaierextern struct pf_state_tree_id tree_id; 1491130613Smlaierextern struct pf_state_queue state_updates; 1492130613Smlaier 1493145836Smlaierextern struct pf_anchor_global pf_anchors; 1494130613Smlaierextern struct pf_ruleset pf_main_ruleset; 1495126258SmlaierTAILQ_HEAD(pf_poolqueue, pf_pool); 1496130613Smlaierextern struct pf_poolqueue pf_pools[2]; 1497126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1498130613Smlaierextern struct pf_altqqueue pf_altqs[2]; 1499130613Smlaierextern struct pf_palist pf_pabuf; 1500130613Smlaierextern struct pfi_kif **pfi_index2kif; 1501126258Smlaier 1502126258Smlaierextern u_int32_t ticket_altqs_active; 1503126258Smlaierextern u_int32_t ticket_altqs_inactive; 1504130613Smlaierextern int altqs_inactive_open; 1505126258Smlaierextern u_int32_t ticket_pabuf; 1506126258Smlaierextern struct pf_altqqueue *pf_altqs_active; 1507126258Smlaierextern struct pf_altqqueue *pf_altqs_inactive; 1508126258Smlaierextern struct pf_poolqueue *pf_pools_active; 1509126258Smlaierextern struct pf_poolqueue *pf_pools_inactive; 1510126258Smlaierextern int pf_tbladdr_setup(struct pf_ruleset *, 1511126258Smlaier struct pf_addr_wrap *); 1512126258Smlaierextern void pf_tbladdr_remove(struct pf_addr_wrap *); 1513126258Smlaierextern void pf_tbladdr_copyout(struct pf_addr_wrap *); 1514126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1515127145Smlaier#ifdef __FreeBSD__ 1516130613Smlaierextern uma_zone_t pf_src_tree_pl, pf_rule_pl; 1517126261Smlaierextern uma_zone_t pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1518145836Smlaierextern uma_zone_t pfr_ktable_pl, pfr_kentry_pl, pfr_kentry_pl2; 1519126261Smlaierextern uma_zone_t pf_cache_pl, pf_cent_pl; 1520126261Smlaierextern uma_zone_t pf_state_scrub_pl; 1521130613Smlaierextern uma_zone_t pfi_addr_pl; 1522126261Smlaier#else 1523130613Smlaierextern struct pool pf_src_tree_pl, pf_rule_pl; 1524126258Smlaierextern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1525126258Smlaierextern struct pool pf_state_scrub_pl; 1526126261Smlaier#endif 1527126258Smlaierextern void pf_purge_timeout(void *); 1528130613Smlaierextern void pf_purge_expired_src_nodes(void); 1529126258Smlaierextern void pf_purge_expired_states(void); 1530145836Smlaierextern void pf_purge_expired_state(struct pf_state *); 1531130613Smlaierextern int pf_insert_state(struct pfi_kif *, 1532130613Smlaier struct pf_state *); 1533130613Smlaierextern int pf_insert_src_node(struct pf_src_node **, 1534130613Smlaier struct pf_rule *, struct pf_addr *, 1535130613Smlaier sa_family_t); 1536130613Smlaiervoid pf_src_tree_remove_state(struct pf_state *); 1537130613Smlaierextern struct pf_state *pf_find_state_byid(struct pf_state *); 1538130613Smlaierextern struct pf_state *pf_find_state_all(struct pf_state *key, 1539130613Smlaier u_int8_t tree, int *more); 1540145836Smlaierextern void pf_print_state(struct pf_state *); 1541145836Smlaierextern void pf_print_flags(u_int8_t); 1542126258Smlaierextern struct pf_anchor *pf_find_anchor(const char *); 1543145836Smlaierextern struct pf_ruleset *pf_find_ruleset(const char *); 1544145836Smlaierextern struct pf_ruleset *pf_find_or_create_ruleset(const char *); 1545126258Smlaierextern void pf_remove_if_empty_ruleset( 1546126258Smlaier struct pf_ruleset *); 1547133574Smlaierextern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t, 1548133574Smlaier u_int8_t); 1549126258Smlaier 1550130613Smlaierextern struct ifnet *sync_ifp; 1551126258Smlaierextern struct pf_rule pf_default_rule; 1552126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1553126258Smlaier u_int8_t); 1554126258Smlaiervoid pf_rm_rule(struct pf_rulequeue *, 1555126258Smlaier struct pf_rule *); 1556126258Smlaier 1557126258Smlaier#ifdef INET 1558135920Smlaier#ifdef __FreeBSD__ 1559145836Smlaierint pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *, 1560145836Smlaier struct inpcb *); 1561135920Smlaier#else 1562145836Smlaierint pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *); 1563135920Smlaier#endif 1564126258Smlaier#endif /* INET */ 1565126258Smlaier 1566126258Smlaier#ifdef INET6 1567135920Smlaier#ifdef __FreeBSD__ 1568145836Smlaierint pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *, 1569145836Smlaier struct inpcb *); 1570135920Smlaier#else 1571145836Smlaierint pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *); 1572135920Smlaier#endif 1573126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1574126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1575126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1576126258Smlaier#endif /* INET6 */ 1577126258Smlaier 1578126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1579126258Smlaier sa_family_t); 1580126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1581130613Smlaierint pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t, 1582126258Smlaier u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *); 1583126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1584126258Smlaier struct pf_addr *, sa_family_t); 1585126258Smlaierint pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t); 1586126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1587126258Smlaierint pf_match_uid(u_int8_t, uid_t, uid_t, uid_t); 1588126258Smlaierint pf_match_gid(u_int8_t, gid_t, gid_t, gid_t); 1589126258Smlaier 1590126258Smlaiervoid pf_normalize_init(void); 1591145836Smlaierint pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *, 1592145836Smlaier struct pf_pdesc *); 1593145836Smlaierint pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *, 1594145836Smlaier struct pf_pdesc *); 1595130613Smlaierint pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *, 1596126258Smlaier struct pf_pdesc *); 1597126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1598126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1599126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1600126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1601145836Smlaier u_short *, struct tcphdr *, struct pf_state *, 1602145836Smlaier struct pf_state_peer *, struct pf_state_peer *, int *); 1603126258Smlaieru_int32_t 1604126258Smlaier pf_state_expires(const struct pf_state *); 1605126258Smlaiervoid pf_purge_expired_fragments(void); 1606126258Smlaierint pf_routable(struct pf_addr *addr, sa_family_t af); 1607145836Smlaierint pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *); 1608126258Smlaiervoid pfr_initialize(void); 1609126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 1610126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 1611126258Smlaier u_int64_t, int, int, int); 1612126258Smlaierint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, 1613126258Smlaier struct pf_addr **, struct pf_addr **, sa_family_t); 1614130613Smlaiervoid pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *); 1615126258Smlaierstruct pfr_ktable * 1616126258Smlaier pfr_attach_table(struct pf_ruleset *, char *); 1617126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 1618126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 1619126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 1620126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 1621126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 1622126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 1623126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 1624126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 1625126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 1626145836Smlaierint pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long); 1627126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1628126258Smlaier int); 1629126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1630126258Smlaier int); 1631126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1632126258Smlaier int *, int *, int *, int); 1633126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 1634126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 1635126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 1636126258Smlaier int); 1637126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1638126258Smlaier int); 1639126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 1640130613Smlaierint pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int); 1641126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 1642126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 1643126258Smlaier int *, u_int32_t, int); 1644126258Smlaier 1645130613Smlaiervoid pfi_initialize(void); 1646130613Smlaier#ifdef __FreeBSD__ 1647130613Smlaiervoid pfi_cleanup(void); 1648130613Smlaier#endif 1649130613Smlaiervoid pfi_attach_clone(struct if_clone *); 1650130613Smlaiervoid pfi_attach_ifnet(struct ifnet *); 1651130613Smlaiervoid pfi_detach_ifnet(struct ifnet *); 1652130613Smlaierstruct pfi_kif *pfi_lookup_create(const char *); 1653130613Smlaierstruct pfi_kif *pfi_lookup_if(const char *); 1654130613Smlaierint pfi_maybe_destroy(struct pfi_kif *); 1655130613Smlaierstruct pfi_kif *pfi_attach_rule(const char *); 1656130613Smlaiervoid pfi_detach_rule(struct pfi_kif *); 1657130613Smlaiervoid pfi_attach_state(struct pfi_kif *); 1658130613Smlaiervoid pfi_detach_state(struct pfi_kif *); 1659130613Smlaierint pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t); 1660130613Smlaiervoid pfi_dynaddr_copyout(struct pf_addr_wrap *); 1661130613Smlaiervoid pfi_dynaddr_remove(struct pf_addr_wrap *); 1662130613Smlaiervoid pfi_fill_oldstatus(struct pf_status *); 1663130613Smlaierint pfi_clr_istats(const char *, int *, int); 1664130613Smlaierint pfi_get_ifaces(const char *, struct pfi_if *, int *, int); 1665145836Smlaierint pfi_set_flags(const char *, int); 1666145836Smlaierint pfi_clear_flags(const char *, int); 1667130613Smlaierint pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *, 1668130613Smlaier sa_family_t); 1669130613Smlaier 1670130613Smlaierextern struct pfi_statehead pfi_statehead; 1671130613Smlaier 1672126258Smlaieru_int16_t pf_tagname2tag(char *); 1673126258Smlaiervoid pf_tag2tagname(u_int16_t, char *); 1674145836Smlaiervoid pf_tag_ref(u_int16_t); 1675126258Smlaiervoid pf_tag_unref(u_int16_t); 1676126258Smlaierint pf_tag_packet(struct mbuf *, struct pf_tag *, int); 1677130613Smlaieru_int32_t pf_qname2qid(char *); 1678130613Smlaiervoid pf_qid2qname(u_int32_t, char *); 1679130613Smlaiervoid pf_qid_unref(u_int32_t); 1680126258Smlaier 1681126258Smlaierextern struct pf_status pf_status; 1682126261Smlaier 1683127145Smlaier#ifdef __FreeBSD__ 1684126261Smlaierextern uma_zone_t pf_frent_pl, pf_frag_pl; 1685126261Smlaier#else 1686126258Smlaierextern struct pool pf_frent_pl, pf_frag_pl; 1687126261Smlaier#endif 1688126258Smlaier 1689126258Smlaierstruct pf_pool_limit { 1690126258Smlaier void *pp; 1691126258Smlaier unsigned limit; 1692126258Smlaier}; 1693126258Smlaierextern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX]; 1694126258Smlaier 1695127145Smlaier#ifdef __FreeBSD__ 1696126261Smlaierstruct pf_frent { 1697126261Smlaier LIST_ENTRY(pf_frent) fr_next; 1698126261Smlaier struct ip *fr_ip; 1699126261Smlaier struct mbuf *fr_m; 1700126261Smlaier}; 1701126261Smlaier 1702126261Smlaierstruct pf_frcache { 1703126261Smlaier LIST_ENTRY(pf_frcache) fr_next; 1704126261Smlaier uint16_t fr_off; 1705126261Smlaier uint16_t fr_end; 1706126261Smlaier}; 1707126261Smlaier 1708126261Smlaierstruct pf_fragment { 1709126261Smlaier RB_ENTRY(pf_fragment) fr_entry; 1710126261Smlaier TAILQ_ENTRY(pf_fragment) frag_next; 1711126261Smlaier struct in_addr fr_src; 1712126261Smlaier struct in_addr fr_dst; 1713126261Smlaier u_int8_t fr_p; /* protocol of this fragment */ 1714126261Smlaier u_int8_t fr_flags; /* status flags */ 1715126261Smlaier u_int16_t fr_id; /* fragment id for reassemble */ 1716126261Smlaier u_int16_t fr_max; /* fragment data max */ 1717126261Smlaier u_int32_t fr_timeout; 1718126261Smlaier#define fr_queue fr_u.fru_queue 1719126261Smlaier#define fr_cache fr_u.fru_cache 1720126261Smlaier union { 1721126261Smlaier LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */ 1722126261Smlaier LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */ 1723126261Smlaier } fr_u; 1724126261Smlaier}; 1725126261Smlaier#endif /* (__FreeBSD__) */ 1726126261Smlaier 1727126258Smlaier#endif /* _KERNEL */ 1728126258Smlaier 1729126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 1730126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 1731126258Smlaier#ifdef _KERNEL 1732126258Smlaierstruct pf_osfp_enlist * 1733126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 1734126258Smlaier const struct tcphdr *); 1735126258Smlaier#endif /* _KERNEL */ 1736126258Smlaierstruct pf_osfp_enlist * 1737126258Smlaier pf_osfp_fingerprint_hdr(const struct ip *, const struct tcphdr *); 1738126258Smlaiervoid pf_osfp_flush(void); 1739126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 1740127145Smlaier#ifdef __FreeBSD__ 1741126261Smlaierint pf_osfp_initialize(void); 1742126261Smlaiervoid pf_osfp_cleanup(void); 1743126261Smlaier#else 1744126258Smlaiervoid pf_osfp_initialize(void); 1745126261Smlaier#endif 1746126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 1747126258Smlaierstruct pf_os_fingerprint * 1748126258Smlaier pf_osfp_validate(void); 1749126258Smlaier 1750126258Smlaier 1751126258Smlaier#endif /* _NET_PFVAR_H_ */ 1752