pfvar.h revision 133574
1126261Smlaier/* $FreeBSD: head/sys/contrib/pf/net/pfvar.h 133574 2004-08-12 13:59:44Z mlaier $ */ 2130613Smlaier/* $OpenBSD: pfvar.h,v 1.187 2004/03/22 04:54:18 mcbride Exp $ */ 3133574Smlaier/* add $OpenBSD: pfvar.h,v 1.194 2004/05/11 07:34:11 dhartmei Exp $ */ 4126258Smlaier 5126258Smlaier/* 6126258Smlaier * Copyright (c) 2001 Daniel Hartmeier 7126258Smlaier * All rights reserved. 8126258Smlaier * 9126258Smlaier * Redistribution and use in source and binary forms, with or without 10126258Smlaier * modification, are permitted provided that the following conditions 11126258Smlaier * are met: 12126258Smlaier * 13126258Smlaier * - Redistributions of source code must retain the above copyright 14126258Smlaier * notice, this list of conditions and the following disclaimer. 15126258Smlaier * - Redistributions in binary form must reproduce the above 16126258Smlaier * copyright notice, this list of conditions and the following 17126258Smlaier * disclaimer in the documentation and/or other materials provided 18126258Smlaier * with the distribution. 19126258Smlaier * 20126258Smlaier * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21126258Smlaier * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22126258Smlaier * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23126258Smlaier * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24126258Smlaier * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25126258Smlaier * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26126258Smlaier * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27126258Smlaier * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 28126258Smlaier * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29126258Smlaier * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30126258Smlaier * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31126258Smlaier * POSSIBILITY OF SUCH DAMAGE. 32126258Smlaier * 33126258Smlaier */ 34126258Smlaier 35126258Smlaier#ifndef _NET_PFVAR_H_ 36126258Smlaier#define _NET_PFVAR_H_ 37126258Smlaier 38126258Smlaier#include <sys/types.h> 39126258Smlaier#include <sys/queue.h> 40126258Smlaier#include <sys/tree.h> 41126258Smlaier 42126258Smlaier#include <net/radix.h> 43127145Smlaier#ifdef __FreeBSD__ 44130933Sbrooks#include <net/if_clone.h> 45126261Smlaier#include <vm/uma.h> 46126261Smlaier#else 47126258Smlaier#include <netinet/ip_ipsp.h> 48126261Smlaier#endif 49126261Smlaier 50127145Smlaier#ifdef __FreeBSD__ 51126261Smlaier#include <netinet/in.h> 52126261Smlaier/* 53126261Smlaier * XXX 54126261Smlaier * If we include <netipsec/keydb.h>, we need _KERNEL definition. 55126261Smlaier * This makes pfctl compilation difficult. 56126261Smlaier */ 57126261Smlaierunion sockaddr_union { 58126261Smlaier struct sockaddr sa; 59126261Smlaier struct sockaddr_in sin; 60126261Smlaier struct sockaddr_in6 sin6; 61126261Smlaier}; 62126261Smlaier#endif 63126261Smlaier 64126258Smlaier#include <netinet/tcp_fsm.h> 65126258Smlaier 66126258Smlaierstruct ip; 67126258Smlaier 68126258Smlaier#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0) 69126258Smlaier#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1) 70126258Smlaier 71126258Smlaierenum { PF_INOUT, PF_IN, PF_OUT }; 72130613Smlaierenum { PF_LAN_EXT, PF_EXT_GWY, PF_ID }; 73126258Smlaierenum { PF_PASS, PF_DROP, PF_SCRUB, PF_NAT, PF_NONAT, 74126258Smlaier PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP }; 75126258Smlaierenum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT, 76126258Smlaier PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX }; 77126258Smlaierenum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT, 78126258Smlaier PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG }; 79126258Smlaierenum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY }; 80126258Smlaierenum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL, 81126258Smlaier PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER, 82126258Smlaier PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET }; 83126258Smlaier/* 84126258Smlaier * Note about PFTM_*: real indices into pf_rule.timeout[] come before 85126258Smlaier * PFTM_MAX, special cases afterwards. See pf_state_expires(). 86126258Smlaier */ 87126258Smlaierenum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED, 88126258Smlaier PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED, 89126258Smlaier PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE, 90126258Smlaier PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY, 91126258Smlaier PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE, 92126258Smlaier PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL, 93130613Smlaier PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE, 94130613Smlaier PFTM_MAX, PFTM_PURGE, PFTM_UNTIL_PACKET }; 95126258Smlaierenum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO }; 96130613Smlaierenum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, PF_LIMIT_MAX }; 97126258Smlaier#define PF_POOL_IDMASK 0x0f 98126258Smlaierenum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM, 99126258Smlaier PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN }; 100126258Smlaierenum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL, 101126258Smlaier PF_ADDR_TABLE }; 102126258Smlaier#define PF_POOL_TYPEMASK 0x0f 103130613Smlaier#define PF_POOL_STICKYADDR 0x20 104126258Smlaier#define PF_WSCALE_FLAG 0x80 105126258Smlaier#define PF_WSCALE_MASK 0x0f 106126258Smlaier 107126258Smlaierstruct pf_addr { 108126258Smlaier union { 109126258Smlaier struct in_addr v4; 110126258Smlaier struct in6_addr v6; 111126258Smlaier u_int8_t addr8[16]; 112126258Smlaier u_int16_t addr16[8]; 113126258Smlaier u_int32_t addr32[4]; 114126258Smlaier } pfa; /* 128-bit address */ 115126258Smlaier#define v4 pfa.v4 116126258Smlaier#define v6 pfa.v6 117126258Smlaier#define addr8 pfa.addr8 118126258Smlaier#define addr16 pfa.addr16 119126258Smlaier#define addr32 pfa.addr32 120126258Smlaier}; 121126258Smlaier 122126258Smlaier#define PF_TABLE_NAME_SIZE 32 123126258Smlaier 124130613Smlaier#define PFI_AFLAG_NETWORK 0x01 125130613Smlaier#define PFI_AFLAG_BROADCAST 0x02 126130613Smlaier#define PFI_AFLAG_PEER 0x04 127130613Smlaier#define PFI_AFLAG_MODEMASK 0x07 128130613Smlaier#define PFI_AFLAG_NOALIAS 0x08 129130613Smlaier 130126258Smlaierstruct pf_addr_wrap { 131126258Smlaier union { 132126258Smlaier struct { 133126258Smlaier struct pf_addr addr; 134126258Smlaier struct pf_addr mask; 135126258Smlaier } a; 136126258Smlaier char ifname[IFNAMSIZ]; 137126258Smlaier char tblname[PF_TABLE_NAME_SIZE]; 138126258Smlaier } v; 139126258Smlaier union { 140130613Smlaier struct pfi_dynaddr *dyn; 141126258Smlaier struct pfr_ktable *tbl; 142130613Smlaier int dyncnt; 143126258Smlaier int tblcnt; 144126258Smlaier } p; 145126258Smlaier u_int8_t type; /* PF_ADDR_* */ 146130613Smlaier u_int8_t iflags; /* PFI_AFLAG_* */ 147126258Smlaier}; 148126258Smlaier 149127145Smlaier#ifdef _KERNEL 150127145Smlaier 151130613Smlaierstruct pfi_dynaddr { 152130613Smlaier struct pf_addr pfid_addr4; 153130613Smlaier struct pf_addr pfid_mask4; 154130613Smlaier struct pf_addr pfid_addr6; 155130613Smlaier struct pf_addr pfid_mask6; 156130613Smlaier struct pfr_ktable *pfid_kt; 157130613Smlaier struct pfi_kif *pfid_kif; 158130613Smlaier void *pfid_hook_cookie; 159130613Smlaier int pfid_net; /* optional mask, or 128 */ 160130613Smlaier int pfid_acnt4; /* address count, IPv4 */ 161130613Smlaier int pfid_acnt6; /* address count, IPv6 */ 162130613Smlaier sa_family_t pfid_af; /* rule address family */ 163130613Smlaier u_int8_t pfid_iflags; /* PFI_AFLAG_* */ 164126258Smlaier}; 165126258Smlaier 166126258Smlaier/* 167126258Smlaier * Address manipulation macros 168126258Smlaier */ 169126258Smlaier 170127145Smlaier#ifdef __FreeBSD__ 171126261Smlaier#define splsoftnet() splnet() 172126261Smlaier 173126263Smlaier#define HTONL(x) (x) = htonl((__uint32_t)(x)) 174126263Smlaier#define HTONS(x) (x) = htons((__uint16_t)(x)) 175126263Smlaier#define NTOHL(x) (x) = ntohl((__uint32_t)(x)) 176126263Smlaier#define NTOHS(x) (x) = ntohs((__uint16_t)(x)) 177126263Smlaier 178126261Smlaier#define PF_NAME "pf" 179126261Smlaier 180126261Smlaier#define PR_NOWAIT M_NOWAIT 181126261Smlaier#define pool_get(p, f) uma_zalloc(*(p), (f)) 182126261Smlaier#define pool_put(p, o) uma_zfree(*(p), (o)) 183126261Smlaier 184126261Smlaier#define UMA_CREATE(var, type, desc) \ 185126261Smlaier var = uma_zcreate(desc, sizeof(type), \ 186126261Smlaier NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); \ 187126261Smlaier if (var == NULL) break 188126261Smlaier#define UMA_DESTROY(var) \ 189126261Smlaier if(var) uma_zdestroy(var) 190126261Smlaier 191126261Smlaierextern struct mtx pf_task_mtx; 192126261Smlaier 193126261Smlaier#define PF_ASSERT(h) mtx_assert(&pf_task_mtx, (h)) 194126261Smlaier 195126261Smlaier#define PF_LOCK() do { \ 196126261Smlaier PF_ASSERT(MA_NOTOWNED); \ 197126261Smlaier mtx_lock(&pf_task_mtx); \ 198126261Smlaier} while(0) 199126261Smlaier#define PF_UNLOCK() do { \ 200126261Smlaier PF_ASSERT(MA_OWNED); \ 201126261Smlaier mtx_unlock(&pf_task_mtx); \ 202126261Smlaier} while(0) 203126261Smlaier 204126261Smlaier#define PF_COPYIN(uaddr, kaddr, len, r) do { \ 205126261Smlaier PF_UNLOCK(); \ 206126261Smlaier r = copyin((uaddr), (kaddr), (len)); \ 207126261Smlaier PF_LOCK(); \ 208126261Smlaier} while(0) 209126261Smlaier 210126261Smlaier#define PF_COPYOUT(kaddr, uaddr, len, r) do { \ 211126261Smlaier PF_UNLOCK(); \ 212126261Smlaier r = copyout((kaddr), (uaddr), (len)); \ 213126261Smlaier PF_LOCK(); \ 214126261Smlaier} while(0) 215126261Smlaier 216126261Smlaierextern void init_pf_mutex(void); 217126261Smlaierextern void destroy_pf_mutex(void); 218126261Smlaier 219126261Smlaier#define PF_MODVER 1 220126261Smlaier#define PFLOG_MODVER 1 221126261Smlaier#define PFSYNC_MODVER 1 222126261Smlaier 223126261Smlaier#define PFLOG_MINVER 1 224126261Smlaier#define PFLOG_PREFVER PFLOG_MODVER 225126261Smlaier#define PFLOG_MAXVER 1 226126261Smlaier#define PFSYNC_MINVER 1 227126261Smlaier#define PFSYNC_PREFVER PFSYNC_MODVER 228126261Smlaier#define PFSYNC_MAXVER 1 229126261Smlaier 230130613Smlaier/* prototyped for pf_subr.c */ 231130613Smlaierstruct hook_desc { 232130613Smlaier TAILQ_ENTRY(hook_desc) hd_list; 233130613Smlaier void (*hd_fn)(void *); 234130613Smlaier void *hd_arg; 235130613Smlaier}; 236130613SmlaierTAILQ_HEAD(hook_desc_head, hook_desc); 237130613Smlaier 238130613Smlaiervoid *hook_establish(struct hook_desc_head *, int, void (*)(void *), void *); 239130613Smlaiervoid hook_disestablish(struct hook_desc_head *, void *); 240130613Smlaiervoid dohooks(struct hook_desc_head *, int); 241130613Smlaier 242130613Smlaier#define HOOK_REMOVE 0x01 243130613Smlaier#define HOOK_FREE 0x02 244130613Smlaier#endif /* __FreeBSD__ */ 245130613Smlaier 246126258Smlaier#ifdef INET 247126258Smlaier#ifndef INET6 248126258Smlaier#define PF_INET_ONLY 249126258Smlaier#endif /* ! INET6 */ 250126258Smlaier#endif /* INET */ 251126258Smlaier 252126258Smlaier#ifdef INET6 253126258Smlaier#ifndef INET 254126258Smlaier#define PF_INET6_ONLY 255126258Smlaier#endif /* ! INET */ 256126258Smlaier#endif /* INET6 */ 257126258Smlaier 258126258Smlaier#ifdef INET 259126258Smlaier#ifdef INET6 260126258Smlaier#define PF_INET_INET6 261126258Smlaier#endif /* INET6 */ 262126258Smlaier#endif /* INET */ 263126258Smlaier 264126258Smlaier#else 265126258Smlaier 266126258Smlaier#define PF_INET_INET6 267126258Smlaier 268126258Smlaier#endif /* _KERNEL */ 269126258Smlaier 270126258Smlaier/* Both IPv4 and IPv6 */ 271126258Smlaier#ifdef PF_INET_INET6 272126258Smlaier 273126258Smlaier#define PF_AEQ(a, b, c) \ 274126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 275126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 276126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 277126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 278126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 279126258Smlaier 280126258Smlaier#define PF_ANEQ(a, b, c) \ 281126258Smlaier ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 282126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 283126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 284126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 285126258Smlaier (a)->addr32[0] != (b)->addr32[0])) \ 286126258Smlaier 287126258Smlaier#define PF_AZERO(a, c) \ 288126258Smlaier ((c == AF_INET && !(a)->addr32[0]) || \ 289126258Smlaier (!(a)->addr32[0] && !(a)->addr32[1] && \ 290126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 291126258Smlaier 292126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 293126258Smlaier pf_match_addr(n, a, m, b, f) 294126258Smlaier 295126258Smlaier#define PF_ACPY(a, b, f) \ 296126258Smlaier pf_addrcpy(a, b, f) 297126258Smlaier 298126258Smlaier#define PF_AINC(a, f) \ 299126258Smlaier pf_addr_inc(a, f) 300126258Smlaier 301126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 302126258Smlaier pf_poolmask(a, b, c, d, f) 303126258Smlaier 304126258Smlaier#else 305126258Smlaier 306126258Smlaier/* Just IPv6 */ 307126258Smlaier 308126258Smlaier#ifdef PF_INET6_ONLY 309126258Smlaier 310126258Smlaier#define PF_AEQ(a, b, c) \ 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_ANEQ(a, b, c) \ 317126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 318126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 319126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 320126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 321126258Smlaier 322126258Smlaier#define PF_AZERO(a, c) \ 323126258Smlaier (!(a)->addr32[0] && \ 324126258Smlaier !(a)->addr32[1] && \ 325126258Smlaier !(a)->addr32[2] && \ 326126258Smlaier !(a)->addr32[3] ) \ 327126258Smlaier 328126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 329126258Smlaier pf_match_addr(n, a, m, b, f) 330126258Smlaier 331126258Smlaier#define PF_ACPY(a, b, f) \ 332126258Smlaier pf_addrcpy(a, b, f) 333126258Smlaier 334126258Smlaier#define PF_AINC(a, f) \ 335126258Smlaier pf_addr_inc(a, f) 336126258Smlaier 337126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 338126258Smlaier pf_poolmask(a, b, c, d, f) 339126258Smlaier 340126258Smlaier#else 341126258Smlaier 342126258Smlaier/* Just IPv4 */ 343126258Smlaier#ifdef PF_INET_ONLY 344126258Smlaier 345126258Smlaier#define PF_AEQ(a, b, c) \ 346126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 347126258Smlaier 348126258Smlaier#define PF_ANEQ(a, b, c) \ 349126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 350126258Smlaier 351126258Smlaier#define PF_AZERO(a, c) \ 352126258Smlaier (!(a)->addr32[0]) 353126258Smlaier 354126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 355126258Smlaier pf_match_addr(n, a, m, b, f) 356126258Smlaier 357126258Smlaier#define PF_ACPY(a, b, f) \ 358126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 359126258Smlaier 360126258Smlaier#define PF_AINC(a, f) \ 361126258Smlaier do { \ 362126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 363126258Smlaier } while (0) 364126258Smlaier 365126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 366126258Smlaier do { \ 367126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 368126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 369126258Smlaier } while (0) 370126258Smlaier 371126258Smlaier#endif /* PF_INET_ONLY */ 372126258Smlaier#endif /* PF_INET6_ONLY */ 373126258Smlaier#endif /* PF_INET_INET6 */ 374126258Smlaier 375126258Smlaier#define PF_MISMATCHAW(aw, x, af, not) \ 376126258Smlaier ( \ 377126258Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 378126258Smlaier pf_routable((x), (af))) || \ 379126258Smlaier ((aw)->type == PF_ADDR_TABLE && \ 380126258Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 381126258Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 382130613Smlaier !pfi_match_addr((aw)->p.dyn, (x), (af))) || \ 383126258Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 384126258Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 385126258Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 386126258Smlaier &(aw)->v.a.mask, (x), (af)))) != \ 387126258Smlaier (not) \ 388126258Smlaier ) 389126258Smlaier 390126258Smlaierstruct pf_rule_uid { 391126258Smlaier uid_t uid[2]; 392126258Smlaier u_int8_t op; 393126258Smlaier}; 394126258Smlaier 395126258Smlaierstruct pf_rule_gid { 396126258Smlaier uid_t gid[2]; 397126258Smlaier u_int8_t op; 398126258Smlaier}; 399126258Smlaier 400126258Smlaierstruct pf_rule_addr { 401126258Smlaier struct pf_addr_wrap addr; 402126258Smlaier u_int16_t port[2]; 403126258Smlaier u_int8_t not; 404126258Smlaier u_int8_t port_op; 405126258Smlaier}; 406126258Smlaier 407126258Smlaierstruct pf_pooladdr { 408126258Smlaier struct pf_addr_wrap addr; 409126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 410126258Smlaier char ifname[IFNAMSIZ]; 411130613Smlaier struct pfi_kif *kif; 412126258Smlaier}; 413126258Smlaier 414126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 415126258Smlaier 416126258Smlaierstruct pf_poolhashkey { 417126258Smlaier union { 418126258Smlaier u_int8_t key8[16]; 419126258Smlaier u_int16_t key16[8]; 420126258Smlaier u_int32_t key32[4]; 421126258Smlaier } pfk; /* 128-bit hash key */ 422126258Smlaier#define key8 pfk.key8 423126258Smlaier#define key16 pfk.key16 424126258Smlaier#define key32 pfk.key32 425126258Smlaier}; 426126258Smlaier 427126258Smlaierstruct pf_pool { 428126258Smlaier struct pf_palist list; 429126258Smlaier struct pf_pooladdr *cur; 430126258Smlaier struct pf_poolhashkey key; 431126258Smlaier struct pf_addr counter; 432126258Smlaier int tblidx; 433126258Smlaier u_int16_t proxy_port[2]; 434126258Smlaier u_int8_t port_op; 435126258Smlaier u_int8_t opts; 436126258Smlaier}; 437126258Smlaier 438126258Smlaier 439126258Smlaier/* A packed Operating System description for fingerprinting */ 440126258Smlaiertypedef u_int32_t pf_osfp_t; 441126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 442126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 443126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 444126258Smlaier 445126258Smlaierstruct pf_osfp_entry { 446126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 447126258Smlaier pf_osfp_t fp_os; 448126258Smlaier int fp_enflags; 449126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 450126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 451126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 452126258Smlaier#define PF_OSFP_LEN 32 453126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 454126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 455126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 456126258Smlaier}; 457126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 458126258Smlaier ((a)->fp_os == (b)->fp_os && \ 459126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 460126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 461126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 462126258Smlaier 463126258Smlaier/* handle pf_osfp_t packing */ 464126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 465126258Smlaier#define _FP_UNUSED_BITS 1 466126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 467126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 468126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 469126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 470126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 471126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 472126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 473126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 474126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 475126258Smlaier} while(0) 476126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 477126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 478126258Smlaier + _FP_SUBTYPE_BITS); \ 479126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 480126258Smlaier _FP_SUBTYPE_BITS; \ 481126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 482126258Smlaier} while(0) 483126258Smlaier 484126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 485126258Smlaiertypedef u_int64_t pf_tcpopts_t; 486126258Smlaierstruct pf_os_fingerprint { 487126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 488126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 489126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 490126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 491126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 492126258Smlaier u_int16_t fp_flags; 493126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 494126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 495126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 496126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 497126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 498126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 499126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 500126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 501126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 502126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 503126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 504126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 505126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 506126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 507126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 508126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 509126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 510126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 511126258Smlaier/* TCP options packing */ 512126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 513126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 514126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 515126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 516126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 517126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 518126258Smlaier#define PF_OSFP_MAX_OPTS \ 519126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 520126258Smlaier / PF_OSFP_TCPOPT_BITS 521126258Smlaier 522126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 523126258Smlaier}; 524126258Smlaier 525126258Smlaierstruct pf_osfp_ioctl { 526126258Smlaier struct pf_osfp_entry fp_os; 527126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 528126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 529126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 530126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 531126258Smlaier u_int16_t fp_flags; 532126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 533126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 534126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 535126258Smlaier 536126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 537126258Smlaier}; 538126258Smlaier 539126258Smlaier 540126258Smlaierunion pf_rule_ptr { 541126258Smlaier struct pf_rule *ptr; 542126258Smlaier u_int32_t nr; 543126258Smlaier}; 544126258Smlaier 545126258Smlaierstruct pf_rule { 546126258Smlaier struct pf_rule_addr src; 547126258Smlaier struct pf_rule_addr dst; 548126258Smlaier#define PF_SKIP_IFP 0 549126258Smlaier#define PF_SKIP_DIR 1 550126258Smlaier#define PF_SKIP_AF 2 551126258Smlaier#define PF_SKIP_PROTO 3 552126258Smlaier#define PF_SKIP_SRC_ADDR 4 553126258Smlaier#define PF_SKIP_SRC_PORT 5 554126258Smlaier#define PF_SKIP_DST_ADDR 6 555126258Smlaier#define PF_SKIP_DST_PORT 7 556126258Smlaier#define PF_SKIP_COUNT 8 557126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 558126258Smlaier#define PF_RULE_LABEL_SIZE 64 559126258Smlaier char label[PF_RULE_LABEL_SIZE]; 560126258Smlaier#define PF_QNAME_SIZE 16 561126258Smlaier char ifname[IFNAMSIZ]; 562126258Smlaier char qname[PF_QNAME_SIZE]; 563126258Smlaier char pqname[PF_QNAME_SIZE]; 564126258Smlaier#define PF_ANCHOR_NAME_SIZE 16 565126258Smlaier char anchorname[PF_ANCHOR_NAME_SIZE]; 566126258Smlaier#define PF_TAG_NAME_SIZE 16 567126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 568126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 569126258Smlaier 570126258Smlaier TAILQ_ENTRY(pf_rule) entries; 571126258Smlaier struct pf_pool rpool; 572126258Smlaier 573126258Smlaier u_int64_t evaluations; 574126258Smlaier u_int64_t packets; 575126258Smlaier u_int64_t bytes; 576126258Smlaier 577130613Smlaier struct pfi_kif *kif; 578126258Smlaier struct pf_anchor *anchor; 579126258Smlaier 580126258Smlaier pf_osfp_t os_fingerprint; 581130613Smlaier 582130613Smlaier u_int32_t timeout[PFTM_MAX]; 583126258Smlaier u_int32_t states; 584126258Smlaier u_int32_t max_states; 585130613Smlaier u_int32_t src_nodes; 586130613Smlaier u_int32_t max_src_nodes; 587130613Smlaier u_int32_t max_src_states; 588126258Smlaier u_int32_t qid; 589126258Smlaier u_int32_t pqid; 590126258Smlaier u_int32_t rt_listid; 591126258Smlaier u_int32_t nr; 592126258Smlaier 593126258Smlaier u_int16_t return_icmp; 594126258Smlaier u_int16_t return_icmp6; 595126258Smlaier u_int16_t max_mss; 596126258Smlaier u_int16_t tag; 597126258Smlaier u_int16_t match_tag; 598126258Smlaier 599126258Smlaier struct pf_rule_uid uid; 600126258Smlaier struct pf_rule_gid gid; 601126258Smlaier 602126258Smlaier u_int32_t rule_flag; 603126258Smlaier u_int8_t action; 604126258Smlaier u_int8_t direction; 605126258Smlaier u_int8_t log; 606126258Smlaier u_int8_t quick; 607126258Smlaier u_int8_t ifnot; 608126258Smlaier u_int8_t match_tag_not; 609126258Smlaier u_int8_t natpass; 610126258Smlaier 611126258Smlaier#define PF_STATE_NORMAL 0x1 612126258Smlaier#define PF_STATE_MODULATE 0x2 613126258Smlaier#define PF_STATE_SYNPROXY 0x3 614126258Smlaier u_int8_t keep_state; 615126258Smlaier sa_family_t af; 616126258Smlaier u_int8_t proto; 617126258Smlaier u_int8_t type; 618126258Smlaier u_int8_t code; 619126258Smlaier u_int8_t flags; 620126258Smlaier u_int8_t flagset; 621126258Smlaier u_int8_t min_ttl; 622126258Smlaier u_int8_t allow_opts; 623126258Smlaier u_int8_t rt; 624126258Smlaier u_int8_t return_ttl; 625126258Smlaier u_int8_t tos; 626126258Smlaier}; 627126258Smlaier 628126258Smlaier/* rule flags */ 629126258Smlaier#define PFRULE_DROP 0x0000 630126258Smlaier#define PFRULE_RETURNRST 0x0001 631126258Smlaier#define PFRULE_FRAGMENT 0x0002 632126258Smlaier#define PFRULE_RETURNICMP 0x0004 633126258Smlaier#define PFRULE_RETURN 0x0008 634130613Smlaier#define PFRULE_NOSYNC 0x0010 635130613Smlaier#define PFRULE_SRCTRACK 0x0020 /* track source states */ 636130613Smlaier#define PFRULE_RULESRCTRACK 0x0040 /* per rule */ 637126258Smlaier 638126258Smlaier/* scrub flags */ 639126258Smlaier#define PFRULE_NODF 0x0100 640126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 641126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 642126258Smlaier#define PFRULE_RANDOMID 0x0800 643126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 644126258Smlaier 645130613Smlaier/* rule flags again */ 646130613Smlaier#define PFRULE_IFBOUND 0x00010000 /* if-bound */ 647130613Smlaier#define PFRULE_GRBOUND 0x00020000 /* group-bound */ 648130613Smlaier 649126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 650126258Smlaier 651130613Smlaierstruct pf_src_node { 652130613Smlaier RB_ENTRY(pf_src_node) entry; 653130613Smlaier struct pf_addr addr; 654130613Smlaier struct pf_addr raddr; 655130613Smlaier union pf_rule_ptr rule; 656130613Smlaier struct pfi_kif *kif; 657130613Smlaier u_int32_t bytes; 658130613Smlaier u_int32_t packets; 659130613Smlaier u_int32_t states; 660130613Smlaier u_int32_t creation; 661130613Smlaier u_int32_t expire; 662130613Smlaier sa_family_t af; 663130613Smlaier u_int8_t ruletype; 664130613Smlaier}; 665126258Smlaier 666130613Smlaier#define PFSNODE_HIWAT 10000 /* default source node table size */ 667130613Smlaier 668126258Smlaierstruct pf_state_scrub { 669126258Smlaier u_int16_t pfss_flags; 670126258Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 671126258Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 672126258Smlaier u_int8_t pad; 673126258Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 674126258Smlaier}; 675126258Smlaier 676126258Smlaierstruct pf_state_host { 677126258Smlaier struct pf_addr addr; 678126258Smlaier u_int16_t port; 679126258Smlaier u_int16_t pad; 680126258Smlaier}; 681126258Smlaier 682126258Smlaierstruct pf_state_peer { 683126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 684126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 685126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 686126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 687126258Smlaier u_int8_t state; /* active state level */ 688126258Smlaier u_int8_t wscale; /* window scaling factor */ 689126258Smlaier u_int16_t mss; /* Maximum segment size option */ 690126258Smlaier struct pf_state_scrub *scrub; /* state is scrubbed */ 691126258Smlaier}; 692126258Smlaier 693130613SmlaierTAILQ_HEAD(pf_state_queue, pf_state); 694130613Smlaier 695126258Smlaierstruct pf_state { 696130613Smlaier u_int64_t id; 697130613Smlaier union { 698130613Smlaier struct { 699130613Smlaier RB_ENTRY(pf_state) entry_lan_ext; 700130613Smlaier RB_ENTRY(pf_state) entry_ext_gwy; 701130613Smlaier RB_ENTRY(pf_state) entry_id; 702130613Smlaier TAILQ_ENTRY(pf_state) entry_updates; 703130613Smlaier struct pfi_kif *kif; 704130613Smlaier } s; 705130613Smlaier char ifname[IFNAMSIZ]; 706130613Smlaier } u; 707126258Smlaier struct pf_state_host lan; 708126258Smlaier struct pf_state_host gwy; 709126258Smlaier struct pf_state_host ext; 710126258Smlaier struct pf_state_peer src; 711126258Smlaier struct pf_state_peer dst; 712126258Smlaier union pf_rule_ptr rule; 713126258Smlaier union pf_rule_ptr anchor; 714126258Smlaier union pf_rule_ptr nat_rule; 715126258Smlaier struct pf_addr rt_addr; 716130613Smlaier struct pfi_kif *rt_kif; 717130613Smlaier struct pf_src_node *src_node; 718130613Smlaier struct pf_src_node *nat_src_node; 719126258Smlaier u_int32_t creation; 720126258Smlaier u_int32_t expire; 721130613Smlaier u_int32_t pfsync_time; 722126258Smlaier u_int32_t packets[2]; 723126258Smlaier u_int32_t bytes[2]; 724130613Smlaier u_int32_t creatorid; 725126258Smlaier sa_family_t af; 726126258Smlaier u_int8_t proto; 727126258Smlaier u_int8_t direction; 728126258Smlaier u_int8_t log; 729126258Smlaier u_int8_t allow_opts; 730126258Smlaier u_int8_t timeout; 731130613Smlaier u_int8_t sync_flags; 732130613Smlaier#define PFSTATE_NOSYNC 0x01 733130613Smlaier#define PFSTATE_FROMSYNC 0x02 734130613Smlaier u_int8_t pad; 735126258Smlaier}; 736126258Smlaier 737126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 738126258Smlaier 739126258Smlaierstruct pf_anchor; 740126258Smlaier 741126258Smlaierstruct pf_ruleset { 742126258Smlaier TAILQ_ENTRY(pf_ruleset) entries; 743126258Smlaier#define PF_RULESET_NAME_SIZE 16 744126258Smlaier char name[PF_RULESET_NAME_SIZE]; 745126258Smlaier struct { 746126258Smlaier struct pf_rulequeue queues[2]; 747126258Smlaier struct { 748126258Smlaier struct pf_rulequeue *ptr; 749126258Smlaier u_int32_t ticket; 750130613Smlaier int open; 751126258Smlaier } active, inactive; 752126258Smlaier } rules[PF_RULESET_MAX]; 753126258Smlaier struct pf_anchor *anchor; 754126258Smlaier u_int32_t tticket; 755126258Smlaier int tables; 756126258Smlaier int topen; 757126258Smlaier}; 758126258Smlaier 759126258SmlaierTAILQ_HEAD(pf_rulesetqueue, pf_ruleset); 760126258Smlaier 761126258Smlaierstruct pf_anchor { 762126258Smlaier TAILQ_ENTRY(pf_anchor) entries; 763126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 764126258Smlaier struct pf_rulesetqueue rulesets; 765126258Smlaier int tables; 766126258Smlaier}; 767126258Smlaier 768126258SmlaierTAILQ_HEAD(pf_anchorqueue, pf_anchor); 769126258Smlaier 770130613Smlaier#define PF_RESERVED_ANCHOR "_pf" 771130613Smlaier#define PF_INTERFACE_RULESET "_if" 772130613Smlaier 773126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 774126258Smlaier#define PFR_TFLAG_CONST 0x00000002 775126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 776126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 777126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 778126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 779126258Smlaier#define PFR_TFLAG_USRMASK 0x00000003 780126258Smlaier#define PFR_TFLAG_SETMASK 0x0000003C 781126258Smlaier#define PFR_TFLAG_ALLMASK 0x0000003F 782126258Smlaier 783126258Smlaierstruct pfr_table { 784126258Smlaier char pfrt_anchor[PF_ANCHOR_NAME_SIZE]; 785126258Smlaier char pfrt_ruleset[PF_RULESET_NAME_SIZE]; 786126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 787126258Smlaier u_int32_t pfrt_flags; 788126258Smlaier u_int8_t pfrt_fback; 789126258Smlaier}; 790126258Smlaier 791126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 792126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 793126258Smlaier PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX }; 794126258Smlaier 795126258Smlaierstruct pfr_addr { 796126258Smlaier union { 797126258Smlaier struct in_addr _pfra_ip4addr; 798126258Smlaier struct in6_addr _pfra_ip6addr; 799126258Smlaier } pfra_u; 800126258Smlaier u_int8_t pfra_af; 801126258Smlaier u_int8_t pfra_net; 802126258Smlaier u_int8_t pfra_not; 803126258Smlaier u_int8_t pfra_fback; 804126258Smlaier}; 805126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 806126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 807126258Smlaier 808126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 809126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 810126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 811126258Smlaier 812126258Smlaierstruct pfr_astats { 813126258Smlaier struct pfr_addr pfras_a; 814126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 815126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 816126258Smlaier long pfras_tzero; 817126258Smlaier}; 818126258Smlaier 819126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 820126258Smlaier 821126258Smlaierstruct pfr_tstats { 822126258Smlaier struct pfr_table pfrts_t; 823126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 824126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 825126258Smlaier u_int64_t pfrts_match; 826126258Smlaier u_int64_t pfrts_nomatch; 827126258Smlaier long pfrts_tzero; 828126258Smlaier int pfrts_cnt; 829126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 830126258Smlaier}; 831126258Smlaier#define pfrts_name pfrts_t.pfrt_name 832126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 833126258Smlaier 834126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 835126258Smlaierstruct pfr_kentry { 836126258Smlaier struct radix_node pfrke_node[2]; 837126258Smlaier union sockaddr_union pfrke_sa; 838126258Smlaier u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 839126258Smlaier u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 840126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 841126258Smlaier long pfrke_tzero; 842126258Smlaier u_int8_t pfrke_af; 843126258Smlaier u_int8_t pfrke_net; 844126258Smlaier u_int8_t pfrke_not; 845126258Smlaier u_int8_t pfrke_mark; 846126258Smlaier}; 847126258Smlaier 848126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 849126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 850126258Smlaierstruct pfr_ktable { 851126258Smlaier struct pfr_tstats pfrkt_ts; 852126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 853126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 854126258Smlaier struct radix_node_head *pfrkt_ip4; 855126258Smlaier struct radix_node_head *pfrkt_ip6; 856126258Smlaier struct pfr_ktable *pfrkt_shadow; 857126258Smlaier struct pfr_ktable *pfrkt_root; 858126258Smlaier struct pf_ruleset *pfrkt_rs; 859130613Smlaier long pfrkt_larg; 860126258Smlaier int pfrkt_nflags; 861126258Smlaier}; 862126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 863126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 864130613Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 865130613Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 866126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 867126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 868126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 869126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 870126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 871126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 872126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 873126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 874126258Smlaier 875130613SmlaierRB_HEAD(pf_state_tree_lan_ext, pf_state); 876130613SmlaierRB_PROTOTYPE(pf_state_tree_lan_ext, pf_state, 877130613Smlaier u.s.entry_lan_ext, pf_state_compare_lan_ext); 878130613Smlaier 879130613SmlaierRB_HEAD(pf_state_tree_ext_gwy, pf_state); 880130613SmlaierRB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state, 881130613Smlaier u.s.entry_ext_gwy, pf_state_compare_ext_gwy); 882130613Smlaier 883130613Smlaierstruct pfi_if { 884130613Smlaier char pfif_name[IFNAMSIZ]; 885130613Smlaier u_int64_t pfif_packets[2][2][2]; 886130613Smlaier u_int64_t pfif_bytes[2][2][2]; 887130613Smlaier u_int64_t pfif_addcnt; 888130613Smlaier u_int64_t pfif_delcnt; 889130613Smlaier long pfif_tzero; 890130613Smlaier int pfif_states; 891130613Smlaier int pfif_rules; 892130613Smlaier int pfif_flags; 893130613Smlaier}; 894130613Smlaier 895130613SmlaierTAILQ_HEAD(pfi_grouphead, pfi_kif); 896130613SmlaierTAILQ_HEAD(pfi_statehead, pfi_kif); 897130613SmlaierRB_HEAD(pfi_ifhead, pfi_kif); 898130613Smlaierstruct pfi_kif { 899130613Smlaier struct pfi_if pfik_if; 900130613Smlaier RB_ENTRY(pfi_kif) pfik_tree; 901130613Smlaier struct pf_state_tree_lan_ext pfik_lan_ext; 902130613Smlaier struct pf_state_tree_ext_gwy pfik_ext_gwy; 903130613Smlaier struct pfi_grouphead pfik_grouphead; 904130613Smlaier TAILQ_ENTRY(pfi_kif) pfik_instances; 905130613Smlaier TAILQ_ENTRY(pfi_kif) pfik_w_states; 906130613Smlaier struct hook_desc_head *pfik_ah_head; 907130613Smlaier void *pfik_ah_cookie; 908130613Smlaier struct pfi_kif *pfik_parent; 909130613Smlaier struct ifnet *pfik_ifp; 910130613Smlaier int pfik_states; 911130613Smlaier int pfik_rules; 912130613Smlaier}; 913130613Smlaier#define pfik_name pfik_if.pfif_name 914130613Smlaier#define pfik_packets pfik_if.pfif_packets 915130613Smlaier#define pfik_bytes pfik_if.pfif_bytes 916130613Smlaier#define pfik_tzero pfik_if.pfif_tzero 917130613Smlaier#define pfik_flags pfik_if.pfif_flags 918130613Smlaier#define pfik_addcnt pfik_if.pfif_addcnt 919130613Smlaier#define pfik_delcnt pfik_if.pfif_delcnt 920130613Smlaier#define pfik_states pfik_if.pfif_states 921130613Smlaier#define pfik_rules pfik_if.pfif_rules 922130613Smlaier 923130613Smlaier#define PFI_IFLAG_GROUP 0x0001 /* group of interfaces */ 924130613Smlaier#define PFI_IFLAG_INSTANCE 0x0002 /* single instance */ 925130613Smlaier#define PFI_IFLAG_CLONABLE 0x0010 /* clonable group */ 926130613Smlaier#define PFI_IFLAG_DYNAMIC 0x0020 /* dynamic group */ 927130613Smlaier#define PFI_IFLAG_ATTACHED 0x0040 /* interface attached */ 928130613Smlaier#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */ 929130613Smlaier 930126258Smlaierstruct pf_pdesc { 931126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 932126258Smlaier union { 933126258Smlaier struct tcphdr *tcp; 934126258Smlaier struct udphdr *udp; 935126258Smlaier struct icmp *icmp; 936126258Smlaier#ifdef INET6 937126258Smlaier struct icmp6_hdr *icmp6; 938126258Smlaier#endif /* INET6 */ 939126258Smlaier void *any; 940126258Smlaier } hdr; 941130613Smlaier struct pf_addr baddr; /* address before translation */ 942130613Smlaier struct pf_addr naddr; /* address after translation */ 943130613Smlaier struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */ 944126258Smlaier struct pf_addr *src; 945126258Smlaier struct pf_addr *dst; 946126258Smlaier u_int16_t *ip_sum; 947126258Smlaier u_int32_t p_len; /* total length of payload */ 948126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 949126258Smlaier * state code. Easier than tags */ 950126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 951126258Smlaier sa_family_t af; 952126258Smlaier u_int8_t proto; 953126258Smlaier u_int8_t tos; 954126258Smlaier}; 955126258Smlaier 956126258Smlaier/* flags for RDR options */ 957126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 958126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 959126258Smlaier 960126258Smlaier/* Reasons code for passing/dropping a packet */ 961126258Smlaier#define PFRES_MATCH 0 /* Explicit match of a rule */ 962126258Smlaier#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 963126258Smlaier#define PFRES_FRAG 2 /* Dropping following fragment */ 964126258Smlaier#define PFRES_SHORT 3 /* Dropping short packet */ 965126258Smlaier#define PFRES_NORM 4 /* Dropping by normalizer */ 966126258Smlaier#define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 967126258Smlaier#define PFRES_MAX 6 /* total+1 */ 968126258Smlaier 969126258Smlaier#define PFRES_NAMES { \ 970126258Smlaier "match", \ 971126258Smlaier "bad-offset", \ 972126258Smlaier "fragment", \ 973126258Smlaier "short", \ 974126258Smlaier "normalize", \ 975126258Smlaier "memory", \ 976126258Smlaier NULL \ 977126258Smlaier} 978126258Smlaier 979126258Smlaier/* UDP state enumeration */ 980126258Smlaier#define PFUDPS_NO_TRAFFIC 0 981126258Smlaier#define PFUDPS_SINGLE 1 982126258Smlaier#define PFUDPS_MULTIPLE 2 983126258Smlaier 984126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 985126258Smlaier 986126258Smlaier#define PFUDPS_NAMES { \ 987126258Smlaier "NO_TRAFFIC", \ 988126258Smlaier "SINGLE", \ 989126258Smlaier "MULTIPLE", \ 990126258Smlaier NULL \ 991126258Smlaier} 992126258Smlaier 993126258Smlaier/* Other protocol state enumeration */ 994126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 995126258Smlaier#define PFOTHERS_SINGLE 1 996126258Smlaier#define PFOTHERS_MULTIPLE 2 997126258Smlaier 998126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 999126258Smlaier 1000126258Smlaier#define PFOTHERS_NAMES { \ 1001126258Smlaier "NO_TRAFFIC", \ 1002126258Smlaier "SINGLE", \ 1003126258Smlaier "MULTIPLE", \ 1004126258Smlaier NULL \ 1005126258Smlaier} 1006126258Smlaier 1007126258Smlaier#define FCNT_STATE_SEARCH 0 1008126258Smlaier#define FCNT_STATE_INSERT 1 1009126258Smlaier#define FCNT_STATE_REMOVALS 2 1010126258Smlaier#define FCNT_MAX 3 1011126258Smlaier 1012130613Smlaier#define SCNT_SRC_NODE_SEARCH 0 1013130613Smlaier#define SCNT_SRC_NODE_INSERT 1 1014130613Smlaier#define SCNT_SRC_NODE_REMOVALS 2 1015130613Smlaier#define SCNT_MAX 3 1016126258Smlaier 1017126258Smlaier#define ACTION_SET(a, x) \ 1018126258Smlaier do { \ 1019126258Smlaier if ((a) != NULL) \ 1020126258Smlaier *(a) = (x); \ 1021126258Smlaier } while (0) 1022126258Smlaier 1023126258Smlaier#define REASON_SET(a, x) \ 1024126258Smlaier do { \ 1025126258Smlaier if ((a) != NULL) \ 1026126258Smlaier *(a) = (x); \ 1027126258Smlaier if (x < PFRES_MAX) \ 1028126258Smlaier pf_status.counters[x]++; \ 1029126258Smlaier } while (0) 1030126258Smlaier 1031126258Smlaierstruct pf_status { 1032126258Smlaier u_int64_t counters[PFRES_MAX]; 1033126258Smlaier u_int64_t fcounters[FCNT_MAX]; 1034130613Smlaier u_int64_t scounters[SCNT_MAX]; 1035126258Smlaier u_int64_t pcounters[2][2][3]; 1036126258Smlaier u_int64_t bcounters[2][2]; 1037130613Smlaier u_int64_t stateid; 1038126258Smlaier u_int32_t running; 1039126258Smlaier u_int32_t states; 1040130613Smlaier u_int32_t src_nodes; 1041126258Smlaier u_int32_t since; 1042126258Smlaier u_int32_t debug; 1043130613Smlaier u_int32_t hostid; 1044126258Smlaier char ifname[IFNAMSIZ]; 1045126258Smlaier}; 1046126258Smlaier 1047126258Smlaierstruct cbq_opts { 1048126258Smlaier u_int minburst; 1049126258Smlaier u_int maxburst; 1050126258Smlaier u_int pktsize; 1051126258Smlaier u_int maxpktsize; 1052126258Smlaier u_int ns_per_byte; 1053126258Smlaier u_int maxidle; 1054126258Smlaier int minidle; 1055126258Smlaier u_int offtime; 1056126258Smlaier int flags; 1057126258Smlaier}; 1058126258Smlaier 1059126258Smlaierstruct priq_opts { 1060126258Smlaier int flags; 1061126258Smlaier}; 1062126258Smlaier 1063126258Smlaierstruct hfsc_opts { 1064126258Smlaier /* real-time service curve */ 1065126258Smlaier u_int rtsc_m1; /* slope of the 1st segment in bps */ 1066126258Smlaier u_int rtsc_d; /* the x-projection of m1 in msec */ 1067126258Smlaier u_int rtsc_m2; /* slope of the 2nd segment in bps */ 1068126258Smlaier /* link-sharing service curve */ 1069126258Smlaier u_int lssc_m1; 1070126258Smlaier u_int lssc_d; 1071126258Smlaier u_int lssc_m2; 1072126258Smlaier /* upper-limit service curve */ 1073126258Smlaier u_int ulsc_m1; 1074126258Smlaier u_int ulsc_d; 1075126258Smlaier u_int ulsc_m2; 1076126258Smlaier int flags; 1077126258Smlaier}; 1078126258Smlaier 1079126258Smlaierstruct pf_altq { 1080126258Smlaier char ifname[IFNAMSIZ]; 1081126258Smlaier 1082126258Smlaier void *altq_disc; /* discipline-specific state */ 1083126258Smlaier TAILQ_ENTRY(pf_altq) entries; 1084126258Smlaier 1085126258Smlaier /* scheduler spec */ 1086126258Smlaier u_int8_t scheduler; /* scheduler type */ 1087126258Smlaier u_int16_t tbrsize; /* tokenbucket regulator size */ 1088126258Smlaier u_int32_t ifbandwidth; /* interface bandwidth */ 1089126258Smlaier 1090126258Smlaier /* queue spec */ 1091126258Smlaier char qname[PF_QNAME_SIZE]; /* queue name */ 1092126258Smlaier char parent[PF_QNAME_SIZE]; /* parent name */ 1093126258Smlaier u_int32_t parent_qid; /* parent queue id */ 1094126258Smlaier u_int32_t bandwidth; /* queue bandwidth */ 1095126258Smlaier u_int8_t priority; /* priority */ 1096126258Smlaier u_int16_t qlimit; /* queue size limit */ 1097126258Smlaier u_int16_t flags; /* misc flags */ 1098126258Smlaier union { 1099126258Smlaier struct cbq_opts cbq_opts; 1100126258Smlaier struct priq_opts priq_opts; 1101126258Smlaier struct hfsc_opts hfsc_opts; 1102126258Smlaier } pq_u; 1103126258Smlaier 1104126258Smlaier u_int32_t qid; /* return value */ 1105126258Smlaier}; 1106126258Smlaier 1107126258Smlaierstruct pf_tag { 1108126258Smlaier u_int16_t tag; /* tag id */ 1109126258Smlaier}; 1110126258Smlaier 1111126258Smlaierstruct pf_tagname { 1112126258Smlaier TAILQ_ENTRY(pf_tagname) entries; 1113126258Smlaier char name[PF_TAG_NAME_SIZE]; 1114126258Smlaier u_int16_t tag; 1115126258Smlaier int ref; 1116126258Smlaier}; 1117126258Smlaier 1118126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 1119126258Smlaier#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */ 1120126258Smlaier#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */ 1121126258Smlaier#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */ 1122126258Smlaier 1123126258Smlaier/* 1124126258Smlaier * ioctl parameter structures 1125126258Smlaier */ 1126126258Smlaier 1127126258Smlaierstruct pfioc_pooladdr { 1128126258Smlaier u_int32_t action; 1129126258Smlaier u_int32_t ticket; 1130126258Smlaier u_int32_t nr; 1131126258Smlaier u_int32_t r_num; 1132126258Smlaier u_int8_t r_action; 1133126258Smlaier u_int8_t r_last; 1134126258Smlaier u_int8_t af; 1135126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1136126258Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1137126258Smlaier struct pf_pooladdr addr; 1138126258Smlaier}; 1139126258Smlaier 1140126258Smlaierstruct pfioc_rule { 1141126258Smlaier u_int32_t action; 1142126258Smlaier u_int32_t ticket; 1143126258Smlaier u_int32_t pool_ticket; 1144126258Smlaier u_int32_t nr; 1145126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1146126258Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1147126258Smlaier struct pf_rule rule; 1148126258Smlaier}; 1149126258Smlaier 1150126258Smlaierstruct pfioc_natlook { 1151126258Smlaier struct pf_addr saddr; 1152126258Smlaier struct pf_addr daddr; 1153126258Smlaier struct pf_addr rsaddr; 1154126258Smlaier struct pf_addr rdaddr; 1155126258Smlaier u_int16_t sport; 1156126258Smlaier u_int16_t dport; 1157126258Smlaier u_int16_t rsport; 1158126258Smlaier u_int16_t rdport; 1159126258Smlaier sa_family_t af; 1160126258Smlaier u_int8_t proto; 1161126258Smlaier u_int8_t direction; 1162126258Smlaier}; 1163126258Smlaier 1164126258Smlaierstruct pfioc_state { 1165126258Smlaier u_int32_t nr; 1166126258Smlaier struct pf_state state; 1167126258Smlaier}; 1168126258Smlaier 1169126258Smlaierstruct pfioc_state_kill { 1170126258Smlaier /* XXX returns the number of states killed in psk_af */ 1171126258Smlaier sa_family_t psk_af; 1172126258Smlaier int psk_proto; 1173126258Smlaier struct pf_rule_addr psk_src; 1174126258Smlaier struct pf_rule_addr psk_dst; 1175130613Smlaier char psk_ifname[IFNAMSIZ]; 1176126258Smlaier}; 1177126258Smlaier 1178126258Smlaierstruct pfioc_states { 1179126258Smlaier int ps_len; 1180126258Smlaier union { 1181126258Smlaier caddr_t psu_buf; 1182126258Smlaier struct pf_state *psu_states; 1183126258Smlaier } ps_u; 1184126258Smlaier#define ps_buf ps_u.psu_buf 1185126258Smlaier#define ps_states ps_u.psu_states 1186126258Smlaier}; 1187126258Smlaier 1188130613Smlaierstruct pfioc_src_nodes { 1189130613Smlaier int psn_len; 1190130613Smlaier union { 1191130613Smlaier caddr_t psu_buf; 1192130613Smlaier struct pf_src_node *psu_src_nodes; 1193130613Smlaier } psn_u; 1194130613Smlaier#define psn_buf psn_u.psu_buf 1195130613Smlaier#define psn_src_nodes psn_u.psu_src_nodes 1196130613Smlaier}; 1197130613Smlaier 1198126258Smlaierstruct pfioc_if { 1199126258Smlaier char ifname[IFNAMSIZ]; 1200126258Smlaier}; 1201126258Smlaier 1202126258Smlaierstruct pfioc_tm { 1203126258Smlaier int timeout; 1204126258Smlaier int seconds; 1205126258Smlaier}; 1206126258Smlaier 1207126258Smlaierstruct pfioc_limit { 1208126258Smlaier int index; 1209126258Smlaier unsigned limit; 1210126258Smlaier}; 1211126258Smlaier 1212126258Smlaierstruct pfioc_altq { 1213126258Smlaier u_int32_t action; 1214126258Smlaier u_int32_t ticket; 1215126258Smlaier u_int32_t nr; 1216126258Smlaier struct pf_altq altq; 1217126258Smlaier}; 1218126258Smlaier 1219126258Smlaierstruct pfioc_qstats { 1220126258Smlaier u_int32_t ticket; 1221126258Smlaier u_int32_t nr; 1222126258Smlaier void *buf; 1223126258Smlaier int nbytes; 1224126258Smlaier u_int8_t scheduler; 1225126258Smlaier}; 1226126258Smlaier 1227126258Smlaierstruct pfioc_anchor { 1228126258Smlaier u_int32_t nr; 1229126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1230126258Smlaier}; 1231126258Smlaier 1232126258Smlaierstruct pfioc_ruleset { 1233126258Smlaier u_int32_t nr; 1234126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1235126258Smlaier char name[PF_RULESET_NAME_SIZE]; 1236126258Smlaier}; 1237126258Smlaier 1238130613Smlaier#define PF_RULESET_ALTQ (PF_RULESET_MAX) 1239130613Smlaier#define PF_RULESET_TABLE (PF_RULESET_MAX+1) 1240130613Smlaierstruct pfioc_trans { 1241130613Smlaier int size; /* number of elements */ 1242130613Smlaier int esize; /* size of each element in bytes */ 1243130613Smlaier struct pfioc_trans_e { 1244130613Smlaier int rs_num; 1245130613Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1246130613Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1247130613Smlaier u_int32_t ticket; 1248130613Smlaier } *array; 1249130613Smlaier}; 1250130613Smlaier 1251126258Smlaier#define PFR_FLAG_ATOMIC 0x00000001 1252126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1253126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1254126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1255126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1256126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1257126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1258126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1259130613Smlaier#ifdef _KERNEL 1260130613Smlaier#define PFR_FLAG_USERIOCTL 0x10000000 1261130613Smlaier#endif 1262126258Smlaier 1263126258Smlaierstruct pfioc_table { 1264126258Smlaier struct pfr_table pfrio_table; 1265126258Smlaier void *pfrio_buffer; 1266126258Smlaier int pfrio_esize; 1267126258Smlaier int pfrio_size; 1268126258Smlaier int pfrio_size2; 1269126258Smlaier int pfrio_nadd; 1270126258Smlaier int pfrio_ndel; 1271126258Smlaier int pfrio_nchange; 1272126258Smlaier int pfrio_flags; 1273126258Smlaier u_int32_t pfrio_ticket; 1274126258Smlaier}; 1275126258Smlaier#define pfrio_exists pfrio_nadd 1276126258Smlaier#define pfrio_nzero pfrio_nadd 1277126258Smlaier#define pfrio_nmatch pfrio_nadd 1278126258Smlaier#define pfrio_naddr pfrio_size2 1279126258Smlaier#define pfrio_setflag pfrio_size2 1280126258Smlaier#define pfrio_clrflag pfrio_nadd 1281126258Smlaier 1282126258Smlaier 1283130613Smlaier#define PFI_FLAG_GROUP 0x0001 /* gets groups of interfaces */ 1284130613Smlaier#define PFI_FLAG_INSTANCE 0x0002 /* gets single interfaces */ 1285130613Smlaier#define PFI_FLAG_ALLMASK 0x0003 1286130613Smlaier 1287130613Smlaierstruct pfioc_iface { 1288130613Smlaier char pfiio_name[IFNAMSIZ]; 1289130613Smlaier void *pfiio_buffer; 1290130613Smlaier int pfiio_esize; 1291130613Smlaier int pfiio_size; 1292130613Smlaier int pfiio_nzero; 1293130613Smlaier int pfiio_flags; 1294130613Smlaier}; 1295130613Smlaier 1296130613Smlaier 1297126258Smlaier/* 1298126258Smlaier * ioctl operations 1299126258Smlaier */ 1300126258Smlaier 1301126258Smlaier#define DIOCSTART _IO ('D', 1) 1302126258Smlaier#define DIOCSTOP _IO ('D', 2) 1303126258Smlaier#define DIOCBEGINRULES _IOWR('D', 3, struct pfioc_rule) 1304126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1305126258Smlaier#define DIOCCOMMITRULES _IOWR('D', 5, struct pfioc_rule) 1306126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1307126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1308126258Smlaier/* XXX cut 8 - 17 */ 1309130613Smlaier#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill) 1310126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1311126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1312126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1313126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1314126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1315126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1316126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1317126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1318126258Smlaier/* XXX cut 26 - 28 */ 1319126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1320126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1321126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1322126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1323126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1324126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1325126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1326126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1327126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1328126258Smlaier#define DIOCBEGINALTQS _IOWR('D', 44, u_int32_t) 1329126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1330126258Smlaier#define DIOCCOMMITALTQS _IOWR('D', 46, u_int32_t) 1331126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1332126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1333126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1334126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1335126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1336126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1337126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1338126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1339126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1340126258Smlaier#define DIOCGETANCHORS _IOWR('D', 56, struct pfioc_anchor) 1341126258Smlaier#define DIOCGETANCHOR _IOWR('D', 57, struct pfioc_anchor) 1342126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1343126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1344126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1345126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1346126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1347126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1348126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1349126258Smlaier#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1350126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1351126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1352126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1353126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1354126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1355126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1356126258Smlaier#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1357126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1358126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1359126258Smlaier#define DIOCRINABEGIN _IOWR('D', 75, struct pfioc_table) 1360126258Smlaier#define DIOCRINACOMMIT _IOWR('D', 76, struct pfioc_table) 1361126258Smlaier#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1362126258Smlaier#define DIOCOSFPFLUSH _IO('D', 78) 1363126258Smlaier#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1364126258Smlaier#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1365130613Smlaier#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans) 1366130613Smlaier#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans) 1367130613Smlaier#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans) 1368130613Smlaier#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes) 1369130613Smlaier#define DIOCCLRSRCNODES _IO('D', 85) 1370130613Smlaier#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t) 1371130613Smlaier#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface) 1372130613Smlaier#define DIOCICLRISTATS _IOWR('D', 88, struct pfioc_iface) 1373127145Smlaier#ifdef __FreeBSD__ 1374126261Smlaierstruct pf_ifspeed { 1375126261Smlaier char ifname[IFNAMSIZ]; 1376126261Smlaier u_int32_t baudrate; 1377126261Smlaier}; 1378130613Smlaier#define DIOCGIFSPEED _IOWR('D', 89, struct pf_ifspeed) 1379126261Smlaier#endif 1380126258Smlaier 1381126258Smlaier#ifdef _KERNEL 1382130613SmlaierRB_HEAD(pf_src_tree, pf_src_node); 1383130613SmlaierRB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare); 1384130613Smlaierextern struct pf_src_tree tree_src_tracking; 1385126258Smlaier 1386130613SmlaierRB_HEAD(pf_state_tree_id, pf_state); 1387130613SmlaierRB_PROTOTYPE(pf_state_tree_id, pf_state, 1388130613Smlaier entry_id, pf_state_compare_id); 1389130613Smlaierextern struct pf_state_tree_id tree_id; 1390130613Smlaierextern struct pf_state_queue state_updates; 1391130613Smlaier 1392130613Smlaierextern struct pf_anchorqueue pf_anchors; 1393130613Smlaierextern struct pf_ruleset pf_main_ruleset; 1394126258SmlaierTAILQ_HEAD(pf_poolqueue, pf_pool); 1395130613Smlaierextern struct pf_poolqueue pf_pools[2]; 1396126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1397130613Smlaierextern struct pf_altqqueue pf_altqs[2]; 1398130613Smlaierextern struct pf_palist pf_pabuf; 1399130613Smlaierextern struct pfi_kif **pfi_index2kif; 1400126258Smlaier 1401126258Smlaierextern u_int32_t ticket_altqs_active; 1402126258Smlaierextern u_int32_t ticket_altqs_inactive; 1403130613Smlaierextern int altqs_inactive_open; 1404126258Smlaierextern u_int32_t ticket_pabuf; 1405126258Smlaierextern struct pf_altqqueue *pf_altqs_active; 1406126258Smlaierextern struct pf_altqqueue *pf_altqs_inactive; 1407126258Smlaierextern struct pf_poolqueue *pf_pools_active; 1408126258Smlaierextern struct pf_poolqueue *pf_pools_inactive; 1409126258Smlaierextern int pf_tbladdr_setup(struct pf_ruleset *, 1410126258Smlaier struct pf_addr_wrap *); 1411126258Smlaierextern void pf_tbladdr_remove(struct pf_addr_wrap *); 1412126258Smlaierextern void pf_tbladdr_copyout(struct pf_addr_wrap *); 1413126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1414126258Smlaierextern void pf_update_anchor_rules(void); 1415127145Smlaier#ifdef __FreeBSD__ 1416130613Smlaierextern uma_zone_t pf_src_tree_pl, pf_rule_pl; 1417126261Smlaierextern uma_zone_t pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1418126261Smlaierextern uma_zone_t pfr_ktable_pl, pfr_kentry_pl; 1419126261Smlaierextern uma_zone_t pf_cache_pl, pf_cent_pl; 1420126261Smlaierextern uma_zone_t pf_state_scrub_pl; 1421130613Smlaierextern uma_zone_t pfi_addr_pl; 1422126261Smlaier#else 1423130613Smlaierextern struct pool pf_src_tree_pl, pf_rule_pl; 1424126258Smlaierextern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1425126258Smlaierextern struct pool pf_state_scrub_pl; 1426126261Smlaier#endif 1427126258Smlaierextern void pf_purge_timeout(void *); 1428130613Smlaierextern void pf_purge_expired_src_nodes(void); 1429126258Smlaierextern void pf_purge_expired_states(void); 1430130613Smlaierextern int pf_insert_state(struct pfi_kif *, 1431130613Smlaier struct pf_state *); 1432130613Smlaierextern int pf_insert_src_node(struct pf_src_node **, 1433130613Smlaier struct pf_rule *, struct pf_addr *, 1434130613Smlaier sa_family_t); 1435130613Smlaiervoid pf_src_tree_remove_state(struct pf_state *); 1436130613Smlaierextern struct pf_state *pf_find_state_byid(struct pf_state *); 1437130613Smlaierextern struct pf_state *pf_find_state_all(struct pf_state *key, 1438130613Smlaier u_int8_t tree, int *more); 1439126258Smlaierextern struct pf_anchor *pf_find_anchor(const char *); 1440126258Smlaierextern struct pf_ruleset *pf_find_ruleset(char *, char *); 1441130613Smlaierextern struct pf_ruleset *pf_find_or_create_ruleset( 1442130613Smlaier char[PF_ANCHOR_NAME_SIZE], 1443130613Smlaier char[PF_RULESET_NAME_SIZE]); 1444126258Smlaierextern void pf_remove_if_empty_ruleset( 1445126258Smlaier struct pf_ruleset *); 1446133574Smlaierextern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t, 1447133574Smlaier u_int8_t); 1448126258Smlaier 1449130613Smlaierextern struct ifnet *sync_ifp; 1450126258Smlaierextern struct pf_rule pf_default_rule; 1451126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1452126258Smlaier u_int8_t); 1453126258Smlaiervoid pf_rm_rule(struct pf_rulequeue *, 1454126258Smlaier struct pf_rule *); 1455126258Smlaier 1456126258Smlaier#ifdef INET 1457126258Smlaierint pf_test(int, struct ifnet *, struct mbuf **); 1458126258Smlaier#endif /* INET */ 1459126258Smlaier 1460126258Smlaier#ifdef INET6 1461126258Smlaierint pf_test6(int, struct ifnet *, struct mbuf **); 1462126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1463126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1464126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1465126258Smlaier#endif /* INET6 */ 1466126258Smlaier 1467126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1468126258Smlaier sa_family_t); 1469126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1470130613Smlaierint pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t, 1471126258Smlaier u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *); 1472126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1473126258Smlaier struct pf_addr *, sa_family_t); 1474126258Smlaierint pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t); 1475126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1476126258Smlaierint pf_match_uid(u_int8_t, uid_t, uid_t, uid_t); 1477126258Smlaierint pf_match_gid(u_int8_t, gid_t, gid_t, gid_t); 1478126258Smlaier 1479126258Smlaiervoid pf_normalize_init(void); 1480130613Smlaierint pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *); 1481130613Smlaierint pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *); 1482130613Smlaierint pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *, 1483126258Smlaier struct pf_pdesc *); 1484126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1485126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1486126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1487126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1488126258Smlaier u_short *, struct tcphdr *, struct pf_state_peer *, 1489126258Smlaier struct pf_state_peer *, int *); 1490126258Smlaieru_int32_t 1491126258Smlaier pf_state_expires(const struct pf_state *); 1492126258Smlaiervoid pf_purge_expired_fragments(void); 1493126258Smlaierint pf_routable(struct pf_addr *addr, sa_family_t af); 1494126258Smlaiervoid pfr_initialize(void); 1495126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 1496126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 1497126258Smlaier u_int64_t, int, int, int); 1498126258Smlaierint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, 1499126258Smlaier struct pf_addr **, struct pf_addr **, sa_family_t); 1500130613Smlaiervoid pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *); 1501126258Smlaierstruct pfr_ktable * 1502126258Smlaier pfr_attach_table(struct pf_ruleset *, char *); 1503126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 1504126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 1505126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 1506126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 1507126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 1508126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 1509126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 1510126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 1511126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 1512126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1513126258Smlaier int); 1514126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1515126258Smlaier int); 1516126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1517126258Smlaier int *, int *, int *, int); 1518126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 1519126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 1520126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 1521126258Smlaier int); 1522126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1523126258Smlaier int); 1524126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 1525130613Smlaierint pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int); 1526126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 1527126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 1528126258Smlaier int *, u_int32_t, int); 1529126258Smlaier 1530130613Smlaiervoid pfi_initialize(void); 1531130613Smlaier#ifdef __FreeBSD__ 1532130613Smlaiervoid pfi_cleanup(void); 1533130613Smlaier#endif 1534130613Smlaiervoid pfi_attach_clone(struct if_clone *); 1535130613Smlaiervoid pfi_attach_ifnet(struct ifnet *); 1536130613Smlaiervoid pfi_detach_ifnet(struct ifnet *); 1537130613Smlaierstruct pfi_kif *pfi_lookup_create(const char *); 1538130613Smlaierstruct pfi_kif *pfi_lookup_if(const char *); 1539130613Smlaierint pfi_maybe_destroy(struct pfi_kif *); 1540130613Smlaierstruct pfi_kif *pfi_attach_rule(const char *); 1541130613Smlaiervoid pfi_detach_rule(struct pfi_kif *); 1542130613Smlaiervoid pfi_attach_state(struct pfi_kif *); 1543130613Smlaiervoid pfi_detach_state(struct pfi_kif *); 1544130613Smlaierint pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t); 1545130613Smlaiervoid pfi_dynaddr_copyout(struct pf_addr_wrap *); 1546130613Smlaiervoid pfi_dynaddr_remove(struct pf_addr_wrap *); 1547130613Smlaiervoid pfi_fill_oldstatus(struct pf_status *); 1548130613Smlaierint pfi_clr_istats(const char *, int *, int); 1549130613Smlaierint pfi_get_ifaces(const char *, struct pfi_if *, int *, int); 1550130613Smlaierint pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *, 1551130613Smlaier sa_family_t); 1552130613Smlaier 1553130613Smlaierextern struct pfi_statehead pfi_statehead; 1554130613Smlaier 1555126258Smlaieru_int16_t pf_tagname2tag(char *); 1556126258Smlaiervoid pf_tag2tagname(u_int16_t, char *); 1557126258Smlaiervoid pf_tag_unref(u_int16_t); 1558126258Smlaierint pf_tag_packet(struct mbuf *, struct pf_tag *, int); 1559130613Smlaieru_int32_t pf_qname2qid(char *); 1560130613Smlaiervoid pf_qid2qname(u_int32_t, char *); 1561130613Smlaiervoid pf_qid_unref(u_int32_t); 1562126258Smlaier 1563126258Smlaierextern struct pf_status pf_status; 1564126261Smlaier 1565127145Smlaier#ifdef __FreeBSD__ 1566126261Smlaierextern uma_zone_t pf_frent_pl, pf_frag_pl; 1567126261Smlaier#else 1568126258Smlaierextern struct pool pf_frent_pl, pf_frag_pl; 1569126261Smlaier#endif 1570126258Smlaier 1571126258Smlaierstruct pf_pool_limit { 1572126258Smlaier void *pp; 1573126258Smlaier unsigned limit; 1574126258Smlaier}; 1575126258Smlaierextern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX]; 1576126258Smlaier 1577127145Smlaier#ifdef __FreeBSD__ 1578126261Smlaierstruct pf_frent { 1579126261Smlaier LIST_ENTRY(pf_frent) fr_next; 1580126261Smlaier struct ip *fr_ip; 1581126261Smlaier struct mbuf *fr_m; 1582126261Smlaier}; 1583126261Smlaier 1584126261Smlaierstruct pf_frcache { 1585126261Smlaier LIST_ENTRY(pf_frcache) fr_next; 1586126261Smlaier uint16_t fr_off; 1587126261Smlaier uint16_t fr_end; 1588126261Smlaier}; 1589126261Smlaier 1590126261Smlaierstruct pf_fragment { 1591126261Smlaier RB_ENTRY(pf_fragment) fr_entry; 1592126261Smlaier TAILQ_ENTRY(pf_fragment) frag_next; 1593126261Smlaier struct in_addr fr_src; 1594126261Smlaier struct in_addr fr_dst; 1595126261Smlaier u_int8_t fr_p; /* protocol of this fragment */ 1596126261Smlaier u_int8_t fr_flags; /* status flags */ 1597126261Smlaier u_int16_t fr_id; /* fragment id for reassemble */ 1598126261Smlaier u_int16_t fr_max; /* fragment data max */ 1599126261Smlaier u_int32_t fr_timeout; 1600126261Smlaier#define fr_queue fr_u.fru_queue 1601126261Smlaier#define fr_cache fr_u.fru_cache 1602126261Smlaier union { 1603126261Smlaier LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */ 1604126261Smlaier LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */ 1605126261Smlaier } fr_u; 1606126261Smlaier}; 1607126261Smlaier#endif /* (__FreeBSD__) */ 1608126261Smlaier 1609126258Smlaier#endif /* _KERNEL */ 1610126258Smlaier 1611126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 1612126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 1613126258Smlaier#ifdef _KERNEL 1614126258Smlaierstruct pf_osfp_enlist * 1615126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 1616126258Smlaier const struct tcphdr *); 1617126258Smlaier#endif /* _KERNEL */ 1618126258Smlaierstruct pf_osfp_enlist * 1619126258Smlaier pf_osfp_fingerprint_hdr(const struct ip *, const struct tcphdr *); 1620126258Smlaiervoid pf_osfp_flush(void); 1621126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 1622127145Smlaier#ifdef __FreeBSD__ 1623126261Smlaierint pf_osfp_initialize(void); 1624126261Smlaiervoid pf_osfp_cleanup(void); 1625126261Smlaier#else 1626126258Smlaiervoid pf_osfp_initialize(void); 1627126261Smlaier#endif 1628126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 1629126258Smlaierstruct pf_os_fingerprint * 1630126258Smlaier pf_osfp_validate(void); 1631126258Smlaier 1632126258Smlaier 1633126258Smlaier#endif /* _NET_PFVAR_H_ */ 1634