pfvar.h revision 135615
1126261Smlaier/* $FreeBSD: head/sys/contrib/pf/net/pfvar.h 135615 2004-09-23 12:44:40Z 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#endif 53126261Smlaier 54126258Smlaier#include <netinet/tcp_fsm.h> 55126258Smlaier 56126258Smlaierstruct ip; 57126258Smlaier 58126258Smlaier#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0) 59126258Smlaier#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1) 60126258Smlaier 61126258Smlaierenum { PF_INOUT, PF_IN, PF_OUT }; 62130613Smlaierenum { PF_LAN_EXT, PF_EXT_GWY, PF_ID }; 63126258Smlaierenum { PF_PASS, PF_DROP, PF_SCRUB, PF_NAT, PF_NONAT, 64126258Smlaier PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP }; 65126258Smlaierenum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT, 66126258Smlaier PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX }; 67126258Smlaierenum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT, 68126258Smlaier PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG }; 69126258Smlaierenum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY }; 70126258Smlaierenum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL, 71126258Smlaier PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER, 72126258Smlaier PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET }; 73126258Smlaier/* 74126258Smlaier * Note about PFTM_*: real indices into pf_rule.timeout[] come before 75126258Smlaier * PFTM_MAX, special cases afterwards. See pf_state_expires(). 76126258Smlaier */ 77126258Smlaierenum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED, 78126258Smlaier PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED, 79126258Smlaier PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE, 80126258Smlaier PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY, 81126258Smlaier PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE, 82126258Smlaier PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL, 83130613Smlaier PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE, 84130613Smlaier PFTM_MAX, PFTM_PURGE, PFTM_UNTIL_PACKET }; 85126258Smlaierenum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO }; 86130613Smlaierenum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, PF_LIMIT_MAX }; 87126258Smlaier#define PF_POOL_IDMASK 0x0f 88126258Smlaierenum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM, 89126258Smlaier PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN }; 90126258Smlaierenum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL, 91126258Smlaier PF_ADDR_TABLE }; 92126258Smlaier#define PF_POOL_TYPEMASK 0x0f 93130613Smlaier#define PF_POOL_STICKYADDR 0x20 94126258Smlaier#define PF_WSCALE_FLAG 0x80 95126258Smlaier#define PF_WSCALE_MASK 0x0f 96126258Smlaier 97126258Smlaierstruct pf_addr { 98126258Smlaier union { 99126258Smlaier struct in_addr v4; 100126258Smlaier struct in6_addr v6; 101126258Smlaier u_int8_t addr8[16]; 102126258Smlaier u_int16_t addr16[8]; 103126258Smlaier u_int32_t addr32[4]; 104126258Smlaier } pfa; /* 128-bit address */ 105126258Smlaier#define v4 pfa.v4 106126258Smlaier#define v6 pfa.v6 107126258Smlaier#define addr8 pfa.addr8 108126258Smlaier#define addr16 pfa.addr16 109126258Smlaier#define addr32 pfa.addr32 110126258Smlaier}; 111126258Smlaier 112126258Smlaier#define PF_TABLE_NAME_SIZE 32 113126258Smlaier 114130613Smlaier#define PFI_AFLAG_NETWORK 0x01 115130613Smlaier#define PFI_AFLAG_BROADCAST 0x02 116130613Smlaier#define PFI_AFLAG_PEER 0x04 117130613Smlaier#define PFI_AFLAG_MODEMASK 0x07 118130613Smlaier#define PFI_AFLAG_NOALIAS 0x08 119130613Smlaier 120126258Smlaierstruct pf_addr_wrap { 121126258Smlaier union { 122126258Smlaier struct { 123126258Smlaier struct pf_addr addr; 124126258Smlaier struct pf_addr mask; 125126258Smlaier } a; 126126258Smlaier char ifname[IFNAMSIZ]; 127126258Smlaier char tblname[PF_TABLE_NAME_SIZE]; 128126258Smlaier } v; 129126258Smlaier union { 130130613Smlaier struct pfi_dynaddr *dyn; 131126258Smlaier struct pfr_ktable *tbl; 132130613Smlaier int dyncnt; 133126258Smlaier int tblcnt; 134126258Smlaier } p; 135126258Smlaier u_int8_t type; /* PF_ADDR_* */ 136130613Smlaier u_int8_t iflags; /* PFI_AFLAG_* */ 137126258Smlaier}; 138126258Smlaier 139127145Smlaier#ifdef _KERNEL 140127145Smlaier 141130613Smlaierstruct pfi_dynaddr { 142130613Smlaier struct pf_addr pfid_addr4; 143130613Smlaier struct pf_addr pfid_mask4; 144130613Smlaier struct pf_addr pfid_addr6; 145130613Smlaier struct pf_addr pfid_mask6; 146130613Smlaier struct pfr_ktable *pfid_kt; 147130613Smlaier struct pfi_kif *pfid_kif; 148130613Smlaier void *pfid_hook_cookie; 149130613Smlaier int pfid_net; /* optional mask, or 128 */ 150130613Smlaier int pfid_acnt4; /* address count, IPv4 */ 151130613Smlaier int pfid_acnt6; /* address count, IPv6 */ 152130613Smlaier sa_family_t pfid_af; /* rule address family */ 153130613Smlaier u_int8_t pfid_iflags; /* PFI_AFLAG_* */ 154126258Smlaier}; 155126258Smlaier 156126258Smlaier/* 157126258Smlaier * Address manipulation macros 158126258Smlaier */ 159126258Smlaier 160127145Smlaier#ifdef __FreeBSD__ 161126261Smlaier#define splsoftnet() splnet() 162126261Smlaier 163126263Smlaier#define HTONL(x) (x) = htonl((__uint32_t)(x)) 164126263Smlaier#define HTONS(x) (x) = htons((__uint16_t)(x)) 165126263Smlaier#define NTOHL(x) (x) = ntohl((__uint32_t)(x)) 166126263Smlaier#define NTOHS(x) (x) = ntohs((__uint16_t)(x)) 167126263Smlaier 168126261Smlaier#define PF_NAME "pf" 169126261Smlaier 170126261Smlaier#define PR_NOWAIT M_NOWAIT 171126261Smlaier#define pool_get(p, f) uma_zalloc(*(p), (f)) 172126261Smlaier#define pool_put(p, o) uma_zfree(*(p), (o)) 173126261Smlaier 174126261Smlaier#define UMA_CREATE(var, type, desc) \ 175126261Smlaier var = uma_zcreate(desc, sizeof(type), \ 176126261Smlaier NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); \ 177126261Smlaier if (var == NULL) break 178126261Smlaier#define UMA_DESTROY(var) \ 179126261Smlaier if(var) uma_zdestroy(var) 180126261Smlaier 181126261Smlaierextern struct mtx pf_task_mtx; 182126261Smlaier 183126261Smlaier#define PF_ASSERT(h) mtx_assert(&pf_task_mtx, (h)) 184126261Smlaier 185126261Smlaier#define PF_LOCK() do { \ 186126261Smlaier PF_ASSERT(MA_NOTOWNED); \ 187126261Smlaier mtx_lock(&pf_task_mtx); \ 188126261Smlaier} while(0) 189126261Smlaier#define PF_UNLOCK() do { \ 190126261Smlaier PF_ASSERT(MA_OWNED); \ 191126261Smlaier mtx_unlock(&pf_task_mtx); \ 192126261Smlaier} while(0) 193126261Smlaier 194126261Smlaier#define PF_COPYIN(uaddr, kaddr, len, r) do { \ 195126261Smlaier PF_UNLOCK(); \ 196126261Smlaier r = copyin((uaddr), (kaddr), (len)); \ 197126261Smlaier PF_LOCK(); \ 198126261Smlaier} while(0) 199126261Smlaier 200126261Smlaier#define PF_COPYOUT(kaddr, uaddr, len, r) do { \ 201126261Smlaier PF_UNLOCK(); \ 202126261Smlaier r = copyout((kaddr), (uaddr), (len)); \ 203126261Smlaier PF_LOCK(); \ 204126261Smlaier} while(0) 205126261Smlaier 206126261Smlaierextern void init_pf_mutex(void); 207126261Smlaierextern void destroy_pf_mutex(void); 208126261Smlaier 209126261Smlaier#define PF_MODVER 1 210126261Smlaier#define PFLOG_MODVER 1 211126261Smlaier#define PFSYNC_MODVER 1 212126261Smlaier 213126261Smlaier#define PFLOG_MINVER 1 214126261Smlaier#define PFLOG_PREFVER PFLOG_MODVER 215126261Smlaier#define PFLOG_MAXVER 1 216126261Smlaier#define PFSYNC_MINVER 1 217126261Smlaier#define PFSYNC_PREFVER PFSYNC_MODVER 218126261Smlaier#define PFSYNC_MAXVER 1 219126261Smlaier 220130613Smlaier/* prototyped for pf_subr.c */ 221130613Smlaierstruct hook_desc { 222130613Smlaier TAILQ_ENTRY(hook_desc) hd_list; 223130613Smlaier void (*hd_fn)(void *); 224130613Smlaier void *hd_arg; 225130613Smlaier}; 226130613SmlaierTAILQ_HEAD(hook_desc_head, hook_desc); 227130613Smlaier 228130613Smlaiervoid *hook_establish(struct hook_desc_head *, int, void (*)(void *), void *); 229130613Smlaiervoid hook_disestablish(struct hook_desc_head *, void *); 230130613Smlaiervoid dohooks(struct hook_desc_head *, int); 231130613Smlaier 232130613Smlaier#define HOOK_REMOVE 0x01 233130613Smlaier#define HOOK_FREE 0x02 234130613Smlaier#endif /* __FreeBSD__ */ 235130613Smlaier 236126258Smlaier#ifdef INET 237126258Smlaier#ifndef INET6 238126258Smlaier#define PF_INET_ONLY 239126258Smlaier#endif /* ! INET6 */ 240126258Smlaier#endif /* INET */ 241126258Smlaier 242126258Smlaier#ifdef INET6 243126258Smlaier#ifndef INET 244126258Smlaier#define PF_INET6_ONLY 245126258Smlaier#endif /* ! INET */ 246126258Smlaier#endif /* INET6 */ 247126258Smlaier 248126258Smlaier#ifdef INET 249126258Smlaier#ifdef INET6 250126258Smlaier#define PF_INET_INET6 251126258Smlaier#endif /* INET6 */ 252126258Smlaier#endif /* INET */ 253126258Smlaier 254126258Smlaier#else 255126258Smlaier 256126258Smlaier#define PF_INET_INET6 257126258Smlaier 258126258Smlaier#endif /* _KERNEL */ 259126258Smlaier 260126258Smlaier/* Both IPv4 and IPv6 */ 261126258Smlaier#ifdef PF_INET_INET6 262126258Smlaier 263126258Smlaier#define PF_AEQ(a, b, c) \ 264126258Smlaier ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ 265126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 266126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 267126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 268126258Smlaier (a)->addr32[0] == (b)->addr32[0])) \ 269126258Smlaier 270126258Smlaier#define PF_ANEQ(a, b, c) \ 271126258Smlaier ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ 272126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 273126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 274126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 275126258Smlaier (a)->addr32[0] != (b)->addr32[0])) \ 276126258Smlaier 277126258Smlaier#define PF_AZERO(a, c) \ 278126258Smlaier ((c == AF_INET && !(a)->addr32[0]) || \ 279126258Smlaier (!(a)->addr32[0] && !(a)->addr32[1] && \ 280126258Smlaier !(a)->addr32[2] && !(a)->addr32[3] )) \ 281126258Smlaier 282126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 283126258Smlaier pf_match_addr(n, a, m, b, f) 284126258Smlaier 285126258Smlaier#define PF_ACPY(a, b, f) \ 286126258Smlaier pf_addrcpy(a, b, f) 287126258Smlaier 288126258Smlaier#define PF_AINC(a, f) \ 289126258Smlaier pf_addr_inc(a, f) 290126258Smlaier 291126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 292126258Smlaier pf_poolmask(a, b, c, d, f) 293126258Smlaier 294126258Smlaier#else 295126258Smlaier 296126258Smlaier/* Just IPv6 */ 297126258Smlaier 298126258Smlaier#ifdef PF_INET6_ONLY 299126258Smlaier 300126258Smlaier#define PF_AEQ(a, b, c) \ 301126258Smlaier ((a)->addr32[3] == (b)->addr32[3] && \ 302126258Smlaier (a)->addr32[2] == (b)->addr32[2] && \ 303126258Smlaier (a)->addr32[1] == (b)->addr32[1] && \ 304126258Smlaier (a)->addr32[0] == (b)->addr32[0]) \ 305126258Smlaier 306126258Smlaier#define PF_ANEQ(a, b, c) \ 307126258Smlaier ((a)->addr32[3] != (b)->addr32[3] || \ 308126258Smlaier (a)->addr32[2] != (b)->addr32[2] || \ 309126258Smlaier (a)->addr32[1] != (b)->addr32[1] || \ 310126258Smlaier (a)->addr32[0] != (b)->addr32[0]) \ 311126258Smlaier 312126258Smlaier#define PF_AZERO(a, c) \ 313126258Smlaier (!(a)->addr32[0] && \ 314126258Smlaier !(a)->addr32[1] && \ 315126258Smlaier !(a)->addr32[2] && \ 316126258Smlaier !(a)->addr32[3] ) \ 317126258Smlaier 318126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 319126258Smlaier pf_match_addr(n, a, m, b, f) 320126258Smlaier 321126258Smlaier#define PF_ACPY(a, b, f) \ 322126258Smlaier pf_addrcpy(a, b, f) 323126258Smlaier 324126258Smlaier#define PF_AINC(a, f) \ 325126258Smlaier pf_addr_inc(a, f) 326126258Smlaier 327126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 328126258Smlaier pf_poolmask(a, b, c, d, f) 329126258Smlaier 330126258Smlaier#else 331126258Smlaier 332126258Smlaier/* Just IPv4 */ 333126258Smlaier#ifdef PF_INET_ONLY 334126258Smlaier 335126258Smlaier#define PF_AEQ(a, b, c) \ 336126258Smlaier ((a)->addr32[0] == (b)->addr32[0]) 337126258Smlaier 338126258Smlaier#define PF_ANEQ(a, b, c) \ 339126258Smlaier ((a)->addr32[0] != (b)->addr32[0]) 340126258Smlaier 341126258Smlaier#define PF_AZERO(a, c) \ 342126258Smlaier (!(a)->addr32[0]) 343126258Smlaier 344126258Smlaier#define PF_MATCHA(n, a, m, b, f) \ 345126258Smlaier pf_match_addr(n, a, m, b, f) 346126258Smlaier 347126258Smlaier#define PF_ACPY(a, b, f) \ 348126258Smlaier (a)->v4.s_addr = (b)->v4.s_addr 349126258Smlaier 350126258Smlaier#define PF_AINC(a, f) \ 351126258Smlaier do { \ 352126258Smlaier (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ 353126258Smlaier } while (0) 354126258Smlaier 355126258Smlaier#define PF_POOLMASK(a, b, c, d, f) \ 356126258Smlaier do { \ 357126258Smlaier (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ 358126258Smlaier (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \ 359126258Smlaier } while (0) 360126258Smlaier 361126258Smlaier#endif /* PF_INET_ONLY */ 362126258Smlaier#endif /* PF_INET6_ONLY */ 363126258Smlaier#endif /* PF_INET_INET6 */ 364126258Smlaier 365126258Smlaier#define PF_MISMATCHAW(aw, x, af, not) \ 366126258Smlaier ( \ 367126258Smlaier (((aw)->type == PF_ADDR_NOROUTE && \ 368126258Smlaier pf_routable((x), (af))) || \ 369126258Smlaier ((aw)->type == PF_ADDR_TABLE && \ 370126258Smlaier !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ 371126258Smlaier ((aw)->type == PF_ADDR_DYNIFTL && \ 372130613Smlaier !pfi_match_addr((aw)->p.dyn, (x), (af))) || \ 373126258Smlaier ((aw)->type == PF_ADDR_ADDRMASK && \ 374126258Smlaier !PF_AZERO(&(aw)->v.a.mask, (af)) && \ 375126258Smlaier !PF_MATCHA(0, &(aw)->v.a.addr, \ 376126258Smlaier &(aw)->v.a.mask, (x), (af)))) != \ 377126258Smlaier (not) \ 378126258Smlaier ) 379126258Smlaier 380126258Smlaierstruct pf_rule_uid { 381126258Smlaier uid_t uid[2]; 382126258Smlaier u_int8_t op; 383126258Smlaier}; 384126258Smlaier 385126258Smlaierstruct pf_rule_gid { 386126258Smlaier uid_t gid[2]; 387126258Smlaier u_int8_t op; 388126258Smlaier}; 389126258Smlaier 390126258Smlaierstruct pf_rule_addr { 391126258Smlaier struct pf_addr_wrap addr; 392126258Smlaier u_int16_t port[2]; 393126258Smlaier u_int8_t not; 394126258Smlaier u_int8_t port_op; 395126258Smlaier}; 396126258Smlaier 397126258Smlaierstruct pf_pooladdr { 398126258Smlaier struct pf_addr_wrap addr; 399126258Smlaier TAILQ_ENTRY(pf_pooladdr) entries; 400126258Smlaier char ifname[IFNAMSIZ]; 401130613Smlaier struct pfi_kif *kif; 402126258Smlaier}; 403126258Smlaier 404126258SmlaierTAILQ_HEAD(pf_palist, pf_pooladdr); 405126258Smlaier 406126258Smlaierstruct pf_poolhashkey { 407126258Smlaier union { 408126258Smlaier u_int8_t key8[16]; 409126258Smlaier u_int16_t key16[8]; 410126258Smlaier u_int32_t key32[4]; 411126258Smlaier } pfk; /* 128-bit hash key */ 412126258Smlaier#define key8 pfk.key8 413126258Smlaier#define key16 pfk.key16 414126258Smlaier#define key32 pfk.key32 415126258Smlaier}; 416126258Smlaier 417126258Smlaierstruct pf_pool { 418126258Smlaier struct pf_palist list; 419126258Smlaier struct pf_pooladdr *cur; 420126258Smlaier struct pf_poolhashkey key; 421126258Smlaier struct pf_addr counter; 422126258Smlaier int tblidx; 423126258Smlaier u_int16_t proxy_port[2]; 424126258Smlaier u_int8_t port_op; 425126258Smlaier u_int8_t opts; 426126258Smlaier}; 427126258Smlaier 428126258Smlaier 429126258Smlaier/* A packed Operating System description for fingerprinting */ 430126258Smlaiertypedef u_int32_t pf_osfp_t; 431126258Smlaier#define PF_OSFP_ANY ((pf_osfp_t)0) 432126258Smlaier#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) 433126258Smlaier#define PF_OSFP_NOMATCH ((pf_osfp_t)-2) 434126258Smlaier 435126258Smlaierstruct pf_osfp_entry { 436126258Smlaier SLIST_ENTRY(pf_osfp_entry) fp_entry; 437126258Smlaier pf_osfp_t fp_os; 438126258Smlaier int fp_enflags; 439126258Smlaier#define PF_OSFP_EXPANDED 0x001 /* expanded entry */ 440126258Smlaier#define PF_OSFP_GENERIC 0x002 /* generic signature */ 441126258Smlaier#define PF_OSFP_NODETAIL 0x004 /* no p0f details */ 442126258Smlaier#define PF_OSFP_LEN 32 443126258Smlaier char fp_class_nm[PF_OSFP_LEN]; 444126258Smlaier char fp_version_nm[PF_OSFP_LEN]; 445126258Smlaier char fp_subtype_nm[PF_OSFP_LEN]; 446126258Smlaier}; 447126258Smlaier#define PF_OSFP_ENTRY_EQ(a, b) \ 448126258Smlaier ((a)->fp_os == (b)->fp_os && \ 449126258Smlaier memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ 450126258Smlaier memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ 451126258Smlaier memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) 452126258Smlaier 453126258Smlaier/* handle pf_osfp_t packing */ 454126258Smlaier#define _FP_RESERVED_BIT 1 /* For the special negative #defines */ 455126258Smlaier#define _FP_UNUSED_BITS 1 456126258Smlaier#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ 457126258Smlaier#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ 458126258Smlaier#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ 459126258Smlaier#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ 460126258Smlaier (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ 461126258Smlaier ((1 << _FP_CLASS_BITS) - 1); \ 462126258Smlaier (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ 463126258Smlaier ((1 << _FP_VERSION_BITS) - 1);\ 464126258Smlaier (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 465126258Smlaier} while(0) 466126258Smlaier#define PF_OSFP_PACK(osfp, class, version, subtype) do { \ 467126258Smlaier (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ 468126258Smlaier + _FP_SUBTYPE_BITS); \ 469126258Smlaier (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ 470126258Smlaier _FP_SUBTYPE_BITS; \ 471126258Smlaier (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ 472126258Smlaier} while(0) 473126258Smlaier 474126258Smlaier/* the fingerprint of an OSes TCP SYN packet */ 475126258Smlaiertypedef u_int64_t pf_tcpopts_t; 476126258Smlaierstruct pf_os_fingerprint { 477126258Smlaier SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ 478126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 479126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 480126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 481126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 482126258Smlaier u_int16_t fp_flags; 483126258Smlaier#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ 484126258Smlaier#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ 485126258Smlaier#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ 486126258Smlaier#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ 487126258Smlaier#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ 488126258Smlaier#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ 489126258Smlaier#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ 490126258Smlaier#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ 491126258Smlaier#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ 492126258Smlaier#define PF_OSFP_MSS 0x0200 /* TCP MSS */ 493126258Smlaier#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ 494126258Smlaier#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ 495126258Smlaier#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ 496126258Smlaier#define PF_OSFP_TS0 0x2000 /* Zero timestamp */ 497126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 498126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 499126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 500126258Smlaier#define PF_OSFP_MAXTTL_OFFSET 40 501126258Smlaier/* TCP options packing */ 502126258Smlaier#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ 503126258Smlaier#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ 504126258Smlaier#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ 505126258Smlaier#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ 506126258Smlaier#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ 507126258Smlaier#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ 508126258Smlaier#define PF_OSFP_MAX_OPTS \ 509126258Smlaier (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ 510126258Smlaier / PF_OSFP_TCPOPT_BITS 511126258Smlaier 512126258Smlaier SLIST_ENTRY(pf_os_fingerprint) fp_next; 513126258Smlaier}; 514126258Smlaier 515126258Smlaierstruct pf_osfp_ioctl { 516126258Smlaier struct pf_osfp_entry fp_os; 517126258Smlaier pf_tcpopts_t fp_tcpopts; /* packed TCP options */ 518126258Smlaier u_int16_t fp_wsize; /* TCP window size */ 519126258Smlaier u_int16_t fp_psize; /* ip->ip_len */ 520126258Smlaier u_int16_t fp_mss; /* TCP MSS */ 521126258Smlaier u_int16_t fp_flags; 522126258Smlaier u_int8_t fp_optcnt; /* TCP option count */ 523126258Smlaier u_int8_t fp_wscale; /* TCP window scaling */ 524126258Smlaier u_int8_t fp_ttl; /* IPv4 TTL */ 525126258Smlaier 526126258Smlaier int fp_getnum; /* DIOCOSFPGET number */ 527126258Smlaier}; 528126258Smlaier 529126258Smlaier 530126258Smlaierunion pf_rule_ptr { 531126258Smlaier struct pf_rule *ptr; 532126258Smlaier u_int32_t nr; 533126258Smlaier}; 534126258Smlaier 535126258Smlaierstruct pf_rule { 536126258Smlaier struct pf_rule_addr src; 537126258Smlaier struct pf_rule_addr dst; 538126258Smlaier#define PF_SKIP_IFP 0 539126258Smlaier#define PF_SKIP_DIR 1 540126258Smlaier#define PF_SKIP_AF 2 541126258Smlaier#define PF_SKIP_PROTO 3 542126258Smlaier#define PF_SKIP_SRC_ADDR 4 543126258Smlaier#define PF_SKIP_SRC_PORT 5 544126258Smlaier#define PF_SKIP_DST_ADDR 6 545126258Smlaier#define PF_SKIP_DST_PORT 7 546126258Smlaier#define PF_SKIP_COUNT 8 547126258Smlaier union pf_rule_ptr skip[PF_SKIP_COUNT]; 548126258Smlaier#define PF_RULE_LABEL_SIZE 64 549126258Smlaier char label[PF_RULE_LABEL_SIZE]; 550126258Smlaier#define PF_QNAME_SIZE 16 551126258Smlaier char ifname[IFNAMSIZ]; 552126258Smlaier char qname[PF_QNAME_SIZE]; 553126258Smlaier char pqname[PF_QNAME_SIZE]; 554126258Smlaier#define PF_ANCHOR_NAME_SIZE 16 555126258Smlaier char anchorname[PF_ANCHOR_NAME_SIZE]; 556126258Smlaier#define PF_TAG_NAME_SIZE 16 557126258Smlaier char tagname[PF_TAG_NAME_SIZE]; 558126258Smlaier char match_tagname[PF_TAG_NAME_SIZE]; 559126258Smlaier 560126258Smlaier TAILQ_ENTRY(pf_rule) entries; 561126258Smlaier struct pf_pool rpool; 562126258Smlaier 563126258Smlaier u_int64_t evaluations; 564126258Smlaier u_int64_t packets; 565126258Smlaier u_int64_t bytes; 566126258Smlaier 567130613Smlaier struct pfi_kif *kif; 568126258Smlaier struct pf_anchor *anchor; 569126258Smlaier 570126258Smlaier pf_osfp_t os_fingerprint; 571130613Smlaier 572130613Smlaier u_int32_t timeout[PFTM_MAX]; 573126258Smlaier u_int32_t states; 574126258Smlaier u_int32_t max_states; 575130613Smlaier u_int32_t src_nodes; 576130613Smlaier u_int32_t max_src_nodes; 577130613Smlaier u_int32_t max_src_states; 578126258Smlaier u_int32_t qid; 579126258Smlaier u_int32_t pqid; 580126258Smlaier u_int32_t rt_listid; 581126258Smlaier u_int32_t nr; 582126258Smlaier 583126258Smlaier u_int16_t return_icmp; 584126258Smlaier u_int16_t return_icmp6; 585126258Smlaier u_int16_t max_mss; 586126258Smlaier u_int16_t tag; 587126258Smlaier u_int16_t match_tag; 588126258Smlaier 589126258Smlaier struct pf_rule_uid uid; 590126258Smlaier struct pf_rule_gid gid; 591126258Smlaier 592126258Smlaier u_int32_t rule_flag; 593126258Smlaier u_int8_t action; 594126258Smlaier u_int8_t direction; 595126258Smlaier u_int8_t log; 596126258Smlaier u_int8_t quick; 597126258Smlaier u_int8_t ifnot; 598126258Smlaier u_int8_t match_tag_not; 599126258Smlaier u_int8_t natpass; 600126258Smlaier 601126258Smlaier#define PF_STATE_NORMAL 0x1 602126258Smlaier#define PF_STATE_MODULATE 0x2 603126258Smlaier#define PF_STATE_SYNPROXY 0x3 604126258Smlaier u_int8_t keep_state; 605126258Smlaier sa_family_t af; 606126258Smlaier u_int8_t proto; 607126258Smlaier u_int8_t type; 608126258Smlaier u_int8_t code; 609126258Smlaier u_int8_t flags; 610126258Smlaier u_int8_t flagset; 611126258Smlaier u_int8_t min_ttl; 612126258Smlaier u_int8_t allow_opts; 613126258Smlaier u_int8_t rt; 614126258Smlaier u_int8_t return_ttl; 615126258Smlaier u_int8_t tos; 616126258Smlaier}; 617126258Smlaier 618126258Smlaier/* rule flags */ 619126258Smlaier#define PFRULE_DROP 0x0000 620126258Smlaier#define PFRULE_RETURNRST 0x0001 621126258Smlaier#define PFRULE_FRAGMENT 0x0002 622126258Smlaier#define PFRULE_RETURNICMP 0x0004 623126258Smlaier#define PFRULE_RETURN 0x0008 624130613Smlaier#define PFRULE_NOSYNC 0x0010 625130613Smlaier#define PFRULE_SRCTRACK 0x0020 /* track source states */ 626130613Smlaier#define PFRULE_RULESRCTRACK 0x0040 /* per rule */ 627126258Smlaier 628126258Smlaier/* scrub flags */ 629126258Smlaier#define PFRULE_NODF 0x0100 630126258Smlaier#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ 631126258Smlaier#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ 632126258Smlaier#define PFRULE_RANDOMID 0x0800 633126258Smlaier#define PFRULE_REASSEMBLE_TCP 0x1000 634126258Smlaier 635130613Smlaier/* rule flags again */ 636130613Smlaier#define PFRULE_IFBOUND 0x00010000 /* if-bound */ 637130613Smlaier#define PFRULE_GRBOUND 0x00020000 /* group-bound */ 638130613Smlaier 639126258Smlaier#define PFSTATE_HIWAT 10000 /* default state table size */ 640126258Smlaier 641130613Smlaierstruct pf_src_node { 642130613Smlaier RB_ENTRY(pf_src_node) entry; 643130613Smlaier struct pf_addr addr; 644130613Smlaier struct pf_addr raddr; 645130613Smlaier union pf_rule_ptr rule; 646130613Smlaier struct pfi_kif *kif; 647130613Smlaier u_int32_t bytes; 648130613Smlaier u_int32_t packets; 649130613Smlaier u_int32_t states; 650130613Smlaier u_int32_t creation; 651130613Smlaier u_int32_t expire; 652130613Smlaier sa_family_t af; 653130613Smlaier u_int8_t ruletype; 654130613Smlaier}; 655126258Smlaier 656130613Smlaier#define PFSNODE_HIWAT 10000 /* default source node table size */ 657130613Smlaier 658126258Smlaierstruct pf_state_scrub { 659126258Smlaier u_int16_t pfss_flags; 660126258Smlaier#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ 661126258Smlaier u_int8_t pfss_ttl; /* stashed TTL */ 662126258Smlaier u_int8_t pad; 663126258Smlaier u_int32_t pfss_ts_mod; /* timestamp modulation */ 664126258Smlaier}; 665126258Smlaier 666126258Smlaierstruct pf_state_host { 667126258Smlaier struct pf_addr addr; 668126258Smlaier u_int16_t port; 669126258Smlaier u_int16_t pad; 670126258Smlaier}; 671126258Smlaier 672126258Smlaierstruct pf_state_peer { 673126258Smlaier u_int32_t seqlo; /* Max sequence number sent */ 674126258Smlaier u_int32_t seqhi; /* Max the other end ACKd + win */ 675126258Smlaier u_int32_t seqdiff; /* Sequence number modulator */ 676126258Smlaier u_int16_t max_win; /* largest window (pre scaling) */ 677126258Smlaier u_int8_t state; /* active state level */ 678126258Smlaier u_int8_t wscale; /* window scaling factor */ 679126258Smlaier u_int16_t mss; /* Maximum segment size option */ 680126258Smlaier struct pf_state_scrub *scrub; /* state is scrubbed */ 681126258Smlaier}; 682126258Smlaier 683130613SmlaierTAILQ_HEAD(pf_state_queue, pf_state); 684130613Smlaier 685126258Smlaierstruct pf_state { 686130613Smlaier u_int64_t id; 687130613Smlaier union { 688130613Smlaier struct { 689130613Smlaier RB_ENTRY(pf_state) entry_lan_ext; 690130613Smlaier RB_ENTRY(pf_state) entry_ext_gwy; 691130613Smlaier RB_ENTRY(pf_state) entry_id; 692130613Smlaier TAILQ_ENTRY(pf_state) entry_updates; 693130613Smlaier struct pfi_kif *kif; 694130613Smlaier } s; 695130613Smlaier char ifname[IFNAMSIZ]; 696130613Smlaier } u; 697126258Smlaier struct pf_state_host lan; 698126258Smlaier struct pf_state_host gwy; 699126258Smlaier struct pf_state_host ext; 700126258Smlaier struct pf_state_peer src; 701126258Smlaier struct pf_state_peer dst; 702126258Smlaier union pf_rule_ptr rule; 703126258Smlaier union pf_rule_ptr anchor; 704126258Smlaier union pf_rule_ptr nat_rule; 705126258Smlaier struct pf_addr rt_addr; 706130613Smlaier struct pfi_kif *rt_kif; 707130613Smlaier struct pf_src_node *src_node; 708130613Smlaier struct pf_src_node *nat_src_node; 709126258Smlaier u_int32_t creation; 710126258Smlaier u_int32_t expire; 711130613Smlaier u_int32_t pfsync_time; 712126258Smlaier u_int32_t packets[2]; 713126258Smlaier u_int32_t bytes[2]; 714130613Smlaier u_int32_t creatorid; 715126258Smlaier sa_family_t af; 716126258Smlaier u_int8_t proto; 717126258Smlaier u_int8_t direction; 718126258Smlaier u_int8_t log; 719126258Smlaier u_int8_t allow_opts; 720126258Smlaier u_int8_t timeout; 721130613Smlaier u_int8_t sync_flags; 722130613Smlaier#define PFSTATE_NOSYNC 0x01 723130613Smlaier#define PFSTATE_FROMSYNC 0x02 724130613Smlaier u_int8_t pad; 725126258Smlaier}; 726126258Smlaier 727126258SmlaierTAILQ_HEAD(pf_rulequeue, pf_rule); 728126258Smlaier 729126258Smlaierstruct pf_anchor; 730126258Smlaier 731126258Smlaierstruct pf_ruleset { 732126258Smlaier TAILQ_ENTRY(pf_ruleset) entries; 733126258Smlaier#define PF_RULESET_NAME_SIZE 16 734126258Smlaier char name[PF_RULESET_NAME_SIZE]; 735126258Smlaier struct { 736126258Smlaier struct pf_rulequeue queues[2]; 737126258Smlaier struct { 738126258Smlaier struct pf_rulequeue *ptr; 739126258Smlaier u_int32_t ticket; 740130613Smlaier int open; 741126258Smlaier } active, inactive; 742126258Smlaier } rules[PF_RULESET_MAX]; 743126258Smlaier struct pf_anchor *anchor; 744126258Smlaier u_int32_t tticket; 745126258Smlaier int tables; 746126258Smlaier int topen; 747126258Smlaier}; 748126258Smlaier 749126258SmlaierTAILQ_HEAD(pf_rulesetqueue, pf_ruleset); 750126258Smlaier 751126258Smlaierstruct pf_anchor { 752126258Smlaier TAILQ_ENTRY(pf_anchor) entries; 753126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 754126258Smlaier struct pf_rulesetqueue rulesets; 755126258Smlaier int tables; 756126258Smlaier}; 757126258Smlaier 758126258SmlaierTAILQ_HEAD(pf_anchorqueue, pf_anchor); 759126258Smlaier 760130613Smlaier#define PF_RESERVED_ANCHOR "_pf" 761130613Smlaier#define PF_INTERFACE_RULESET "_if" 762130613Smlaier 763126258Smlaier#define PFR_TFLAG_PERSIST 0x00000001 764126258Smlaier#define PFR_TFLAG_CONST 0x00000002 765126258Smlaier#define PFR_TFLAG_ACTIVE 0x00000004 766126258Smlaier#define PFR_TFLAG_INACTIVE 0x00000008 767126258Smlaier#define PFR_TFLAG_REFERENCED 0x00000010 768126258Smlaier#define PFR_TFLAG_REFDANCHOR 0x00000020 769126258Smlaier#define PFR_TFLAG_USRMASK 0x00000003 770126258Smlaier#define PFR_TFLAG_SETMASK 0x0000003C 771126258Smlaier#define PFR_TFLAG_ALLMASK 0x0000003F 772126258Smlaier 773126258Smlaierstruct pfr_table { 774126258Smlaier char pfrt_anchor[PF_ANCHOR_NAME_SIZE]; 775126258Smlaier char pfrt_ruleset[PF_RULESET_NAME_SIZE]; 776126258Smlaier char pfrt_name[PF_TABLE_NAME_SIZE]; 777126258Smlaier u_int32_t pfrt_flags; 778126258Smlaier u_int8_t pfrt_fback; 779126258Smlaier}; 780126258Smlaier 781126258Smlaierenum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, 782126258Smlaier PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, 783126258Smlaier PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX }; 784126258Smlaier 785126258Smlaierstruct pfr_addr { 786126258Smlaier union { 787126258Smlaier struct in_addr _pfra_ip4addr; 788126258Smlaier struct in6_addr _pfra_ip6addr; 789126258Smlaier } pfra_u; 790126258Smlaier u_int8_t pfra_af; 791126258Smlaier u_int8_t pfra_net; 792126258Smlaier u_int8_t pfra_not; 793126258Smlaier u_int8_t pfra_fback; 794126258Smlaier}; 795126258Smlaier#define pfra_ip4addr pfra_u._pfra_ip4addr 796126258Smlaier#define pfra_ip6addr pfra_u._pfra_ip6addr 797126258Smlaier 798126258Smlaierenum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; 799126258Smlaierenum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; 800126258Smlaier#define PFR_OP_XPASS PFR_OP_ADDR_MAX 801126258Smlaier 802126258Smlaierstruct pfr_astats { 803126258Smlaier struct pfr_addr pfras_a; 804126258Smlaier u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 805126258Smlaier u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 806126258Smlaier long pfras_tzero; 807126258Smlaier}; 808126258Smlaier 809126258Smlaierenum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; 810126258Smlaier 811126258Smlaierstruct pfr_tstats { 812126258Smlaier struct pfr_table pfrts_t; 813126258Smlaier u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 814126258Smlaier u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; 815126258Smlaier u_int64_t pfrts_match; 816126258Smlaier u_int64_t pfrts_nomatch; 817126258Smlaier long pfrts_tzero; 818126258Smlaier int pfrts_cnt; 819126258Smlaier int pfrts_refcnt[PFR_REFCNT_MAX]; 820126258Smlaier}; 821126258Smlaier#define pfrts_name pfrts_t.pfrt_name 822126258Smlaier#define pfrts_flags pfrts_t.pfrt_flags 823126258Smlaier 824135615Smlaier#ifndef _SOCKADDR_UNION_DEFINED 825135615Smlaier#define _SOCKADDR_UNION_DEFINED 826135615Smlaierunion sockaddr_union { 827135615Smlaier struct sockaddr sa; 828135615Smlaier struct sockaddr_in sin; 829135615Smlaier struct sockaddr_in6 sin6; 830135615Smlaier}; 831135615Smlaier#endif /* _SOCKADDR_UNION_DEFINED */ 832135615Smlaier 833126258SmlaierSLIST_HEAD(pfr_kentryworkq, pfr_kentry); 834126258Smlaierstruct pfr_kentry { 835126258Smlaier struct radix_node pfrke_node[2]; 836126258Smlaier union sockaddr_union pfrke_sa; 837126258Smlaier u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 838126258Smlaier u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; 839126258Smlaier SLIST_ENTRY(pfr_kentry) pfrke_workq; 840126258Smlaier long pfrke_tzero; 841126258Smlaier u_int8_t pfrke_af; 842126258Smlaier u_int8_t pfrke_net; 843126258Smlaier u_int8_t pfrke_not; 844126258Smlaier u_int8_t pfrke_mark; 845126258Smlaier}; 846126258Smlaier 847126258SmlaierSLIST_HEAD(pfr_ktableworkq, pfr_ktable); 848126258SmlaierRB_HEAD(pfr_ktablehead, pfr_ktable); 849126258Smlaierstruct pfr_ktable { 850126258Smlaier struct pfr_tstats pfrkt_ts; 851126258Smlaier RB_ENTRY(pfr_ktable) pfrkt_tree; 852126258Smlaier SLIST_ENTRY(pfr_ktable) pfrkt_workq; 853126258Smlaier struct radix_node_head *pfrkt_ip4; 854126258Smlaier struct radix_node_head *pfrkt_ip6; 855126258Smlaier struct pfr_ktable *pfrkt_shadow; 856126258Smlaier struct pfr_ktable *pfrkt_root; 857126258Smlaier struct pf_ruleset *pfrkt_rs; 858130613Smlaier long pfrkt_larg; 859126258Smlaier int pfrkt_nflags; 860126258Smlaier}; 861126258Smlaier#define pfrkt_t pfrkt_ts.pfrts_t 862126258Smlaier#define pfrkt_name pfrkt_t.pfrt_name 863130613Smlaier#define pfrkt_anchor pfrkt_t.pfrt_anchor 864130613Smlaier#define pfrkt_ruleset pfrkt_t.pfrt_ruleset 865126258Smlaier#define pfrkt_flags pfrkt_t.pfrt_flags 866126258Smlaier#define pfrkt_cnt pfrkt_ts.pfrts_cnt 867126258Smlaier#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt 868126258Smlaier#define pfrkt_packets pfrkt_ts.pfrts_packets 869126258Smlaier#define pfrkt_bytes pfrkt_ts.pfrts_bytes 870126258Smlaier#define pfrkt_match pfrkt_ts.pfrts_match 871126258Smlaier#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch 872126258Smlaier#define pfrkt_tzero pfrkt_ts.pfrts_tzero 873126258Smlaier 874130613SmlaierRB_HEAD(pf_state_tree_lan_ext, pf_state); 875130613SmlaierRB_PROTOTYPE(pf_state_tree_lan_ext, pf_state, 876130613Smlaier u.s.entry_lan_ext, pf_state_compare_lan_ext); 877130613Smlaier 878130613SmlaierRB_HEAD(pf_state_tree_ext_gwy, pf_state); 879130613SmlaierRB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state, 880130613Smlaier u.s.entry_ext_gwy, pf_state_compare_ext_gwy); 881130613Smlaier 882130613Smlaierstruct pfi_if { 883130613Smlaier char pfif_name[IFNAMSIZ]; 884130613Smlaier u_int64_t pfif_packets[2][2][2]; 885130613Smlaier u_int64_t pfif_bytes[2][2][2]; 886130613Smlaier u_int64_t pfif_addcnt; 887130613Smlaier u_int64_t pfif_delcnt; 888130613Smlaier long pfif_tzero; 889130613Smlaier int pfif_states; 890130613Smlaier int pfif_rules; 891130613Smlaier int pfif_flags; 892130613Smlaier}; 893130613Smlaier 894130613SmlaierTAILQ_HEAD(pfi_grouphead, pfi_kif); 895130613SmlaierTAILQ_HEAD(pfi_statehead, pfi_kif); 896130613SmlaierRB_HEAD(pfi_ifhead, pfi_kif); 897130613Smlaierstruct pfi_kif { 898130613Smlaier struct pfi_if pfik_if; 899130613Smlaier RB_ENTRY(pfi_kif) pfik_tree; 900130613Smlaier struct pf_state_tree_lan_ext pfik_lan_ext; 901130613Smlaier struct pf_state_tree_ext_gwy pfik_ext_gwy; 902130613Smlaier struct pfi_grouphead pfik_grouphead; 903130613Smlaier TAILQ_ENTRY(pfi_kif) pfik_instances; 904130613Smlaier TAILQ_ENTRY(pfi_kif) pfik_w_states; 905130613Smlaier struct hook_desc_head *pfik_ah_head; 906130613Smlaier void *pfik_ah_cookie; 907130613Smlaier struct pfi_kif *pfik_parent; 908130613Smlaier struct ifnet *pfik_ifp; 909130613Smlaier int pfik_states; 910130613Smlaier int pfik_rules; 911130613Smlaier}; 912130613Smlaier#define pfik_name pfik_if.pfif_name 913130613Smlaier#define pfik_packets pfik_if.pfif_packets 914130613Smlaier#define pfik_bytes pfik_if.pfif_bytes 915130613Smlaier#define pfik_tzero pfik_if.pfif_tzero 916130613Smlaier#define pfik_flags pfik_if.pfif_flags 917130613Smlaier#define pfik_addcnt pfik_if.pfif_addcnt 918130613Smlaier#define pfik_delcnt pfik_if.pfif_delcnt 919130613Smlaier#define pfik_states pfik_if.pfif_states 920130613Smlaier#define pfik_rules pfik_if.pfif_rules 921130613Smlaier 922130613Smlaier#define PFI_IFLAG_GROUP 0x0001 /* group of interfaces */ 923130613Smlaier#define PFI_IFLAG_INSTANCE 0x0002 /* single instance */ 924130613Smlaier#define PFI_IFLAG_CLONABLE 0x0010 /* clonable group */ 925130613Smlaier#define PFI_IFLAG_DYNAMIC 0x0020 /* dynamic group */ 926130613Smlaier#define PFI_IFLAG_ATTACHED 0x0040 /* interface attached */ 927130613Smlaier#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */ 928130613Smlaier 929126258Smlaierstruct pf_pdesc { 930126258Smlaier u_int64_t tot_len; /* Make Mickey money */ 931126258Smlaier union { 932126258Smlaier struct tcphdr *tcp; 933126258Smlaier struct udphdr *udp; 934126258Smlaier struct icmp *icmp; 935126258Smlaier#ifdef INET6 936126258Smlaier struct icmp6_hdr *icmp6; 937126258Smlaier#endif /* INET6 */ 938126258Smlaier void *any; 939126258Smlaier } hdr; 940130613Smlaier struct pf_addr baddr; /* address before translation */ 941130613Smlaier struct pf_addr naddr; /* address after translation */ 942130613Smlaier struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */ 943126258Smlaier struct pf_addr *src; 944126258Smlaier struct pf_addr *dst; 945126258Smlaier u_int16_t *ip_sum; 946126258Smlaier u_int32_t p_len; /* total length of payload */ 947126258Smlaier u_int16_t flags; /* Let SCRUB trigger behavior in 948126258Smlaier * state code. Easier than tags */ 949126258Smlaier#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ 950126258Smlaier sa_family_t af; 951126258Smlaier u_int8_t proto; 952126258Smlaier u_int8_t tos; 953126258Smlaier}; 954126258Smlaier 955126258Smlaier/* flags for RDR options */ 956126258Smlaier#define PF_DPORT_RANGE 0x01 /* Dest port uses range */ 957126258Smlaier#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ 958126258Smlaier 959126258Smlaier/* Reasons code for passing/dropping a packet */ 960126258Smlaier#define PFRES_MATCH 0 /* Explicit match of a rule */ 961126258Smlaier#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 962126258Smlaier#define PFRES_FRAG 2 /* Dropping following fragment */ 963126258Smlaier#define PFRES_SHORT 3 /* Dropping short packet */ 964126258Smlaier#define PFRES_NORM 4 /* Dropping by normalizer */ 965126258Smlaier#define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 966126258Smlaier#define PFRES_MAX 6 /* total+1 */ 967126258Smlaier 968126258Smlaier#define PFRES_NAMES { \ 969126258Smlaier "match", \ 970126258Smlaier "bad-offset", \ 971126258Smlaier "fragment", \ 972126258Smlaier "short", \ 973126258Smlaier "normalize", \ 974126258Smlaier "memory", \ 975126258Smlaier NULL \ 976126258Smlaier} 977126258Smlaier 978126258Smlaier/* UDP state enumeration */ 979126258Smlaier#define PFUDPS_NO_TRAFFIC 0 980126258Smlaier#define PFUDPS_SINGLE 1 981126258Smlaier#define PFUDPS_MULTIPLE 2 982126258Smlaier 983126258Smlaier#define PFUDPS_NSTATES 3 /* number of state levels */ 984126258Smlaier 985126258Smlaier#define PFUDPS_NAMES { \ 986126258Smlaier "NO_TRAFFIC", \ 987126258Smlaier "SINGLE", \ 988126258Smlaier "MULTIPLE", \ 989126258Smlaier NULL \ 990126258Smlaier} 991126258Smlaier 992126258Smlaier/* Other protocol state enumeration */ 993126258Smlaier#define PFOTHERS_NO_TRAFFIC 0 994126258Smlaier#define PFOTHERS_SINGLE 1 995126258Smlaier#define PFOTHERS_MULTIPLE 2 996126258Smlaier 997126258Smlaier#define PFOTHERS_NSTATES 3 /* number of state levels */ 998126258Smlaier 999126258Smlaier#define PFOTHERS_NAMES { \ 1000126258Smlaier "NO_TRAFFIC", \ 1001126258Smlaier "SINGLE", \ 1002126258Smlaier "MULTIPLE", \ 1003126258Smlaier NULL \ 1004126258Smlaier} 1005126258Smlaier 1006126258Smlaier#define FCNT_STATE_SEARCH 0 1007126258Smlaier#define FCNT_STATE_INSERT 1 1008126258Smlaier#define FCNT_STATE_REMOVALS 2 1009126258Smlaier#define FCNT_MAX 3 1010126258Smlaier 1011130613Smlaier#define SCNT_SRC_NODE_SEARCH 0 1012130613Smlaier#define SCNT_SRC_NODE_INSERT 1 1013130613Smlaier#define SCNT_SRC_NODE_REMOVALS 2 1014130613Smlaier#define SCNT_MAX 3 1015126258Smlaier 1016126258Smlaier#define ACTION_SET(a, x) \ 1017126258Smlaier do { \ 1018126258Smlaier if ((a) != NULL) \ 1019126258Smlaier *(a) = (x); \ 1020126258Smlaier } while (0) 1021126258Smlaier 1022126258Smlaier#define REASON_SET(a, x) \ 1023126258Smlaier do { \ 1024126258Smlaier if ((a) != NULL) \ 1025126258Smlaier *(a) = (x); \ 1026126258Smlaier if (x < PFRES_MAX) \ 1027126258Smlaier pf_status.counters[x]++; \ 1028126258Smlaier } while (0) 1029126258Smlaier 1030126258Smlaierstruct pf_status { 1031126258Smlaier u_int64_t counters[PFRES_MAX]; 1032126258Smlaier u_int64_t fcounters[FCNT_MAX]; 1033130613Smlaier u_int64_t scounters[SCNT_MAX]; 1034126258Smlaier u_int64_t pcounters[2][2][3]; 1035126258Smlaier u_int64_t bcounters[2][2]; 1036130613Smlaier u_int64_t stateid; 1037126258Smlaier u_int32_t running; 1038126258Smlaier u_int32_t states; 1039130613Smlaier u_int32_t src_nodes; 1040126258Smlaier u_int32_t since; 1041126258Smlaier u_int32_t debug; 1042130613Smlaier u_int32_t hostid; 1043126258Smlaier char ifname[IFNAMSIZ]; 1044126258Smlaier}; 1045126258Smlaier 1046126258Smlaierstruct cbq_opts { 1047126258Smlaier u_int minburst; 1048126258Smlaier u_int maxburst; 1049126258Smlaier u_int pktsize; 1050126258Smlaier u_int maxpktsize; 1051126258Smlaier u_int ns_per_byte; 1052126258Smlaier u_int maxidle; 1053126258Smlaier int minidle; 1054126258Smlaier u_int offtime; 1055126258Smlaier int flags; 1056126258Smlaier}; 1057126258Smlaier 1058126258Smlaierstruct priq_opts { 1059126258Smlaier int flags; 1060126258Smlaier}; 1061126258Smlaier 1062126258Smlaierstruct hfsc_opts { 1063126258Smlaier /* real-time service curve */ 1064126258Smlaier u_int rtsc_m1; /* slope of the 1st segment in bps */ 1065126258Smlaier u_int rtsc_d; /* the x-projection of m1 in msec */ 1066126258Smlaier u_int rtsc_m2; /* slope of the 2nd segment in bps */ 1067126258Smlaier /* link-sharing service curve */ 1068126258Smlaier u_int lssc_m1; 1069126258Smlaier u_int lssc_d; 1070126258Smlaier u_int lssc_m2; 1071126258Smlaier /* upper-limit service curve */ 1072126258Smlaier u_int ulsc_m1; 1073126258Smlaier u_int ulsc_d; 1074126258Smlaier u_int ulsc_m2; 1075126258Smlaier int flags; 1076126258Smlaier}; 1077126258Smlaier 1078126258Smlaierstruct pf_altq { 1079126258Smlaier char ifname[IFNAMSIZ]; 1080126258Smlaier 1081126258Smlaier void *altq_disc; /* discipline-specific state */ 1082126258Smlaier TAILQ_ENTRY(pf_altq) entries; 1083126258Smlaier 1084126258Smlaier /* scheduler spec */ 1085126258Smlaier u_int8_t scheduler; /* scheduler type */ 1086126258Smlaier u_int16_t tbrsize; /* tokenbucket regulator size */ 1087126258Smlaier u_int32_t ifbandwidth; /* interface bandwidth */ 1088126258Smlaier 1089126258Smlaier /* queue spec */ 1090126258Smlaier char qname[PF_QNAME_SIZE]; /* queue name */ 1091126258Smlaier char parent[PF_QNAME_SIZE]; /* parent name */ 1092126258Smlaier u_int32_t parent_qid; /* parent queue id */ 1093126258Smlaier u_int32_t bandwidth; /* queue bandwidth */ 1094126258Smlaier u_int8_t priority; /* priority */ 1095126258Smlaier u_int16_t qlimit; /* queue size limit */ 1096126258Smlaier u_int16_t flags; /* misc flags */ 1097126258Smlaier union { 1098126258Smlaier struct cbq_opts cbq_opts; 1099126258Smlaier struct priq_opts priq_opts; 1100126258Smlaier struct hfsc_opts hfsc_opts; 1101126258Smlaier } pq_u; 1102126258Smlaier 1103126258Smlaier u_int32_t qid; /* return value */ 1104126258Smlaier}; 1105126258Smlaier 1106126258Smlaierstruct pf_tag { 1107126258Smlaier u_int16_t tag; /* tag id */ 1108126258Smlaier}; 1109126258Smlaier 1110126258Smlaierstruct pf_tagname { 1111126258Smlaier TAILQ_ENTRY(pf_tagname) entries; 1112126258Smlaier char name[PF_TAG_NAME_SIZE]; 1113126258Smlaier u_int16_t tag; 1114126258Smlaier int ref; 1115126258Smlaier}; 1116126258Smlaier 1117126258Smlaier#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ 1118126258Smlaier#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */ 1119126258Smlaier#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */ 1120126258Smlaier#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */ 1121126258Smlaier 1122126258Smlaier/* 1123126258Smlaier * ioctl parameter structures 1124126258Smlaier */ 1125126258Smlaier 1126126258Smlaierstruct pfioc_pooladdr { 1127126258Smlaier u_int32_t action; 1128126258Smlaier u_int32_t ticket; 1129126258Smlaier u_int32_t nr; 1130126258Smlaier u_int32_t r_num; 1131126258Smlaier u_int8_t r_action; 1132126258Smlaier u_int8_t r_last; 1133126258Smlaier u_int8_t af; 1134126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1135126258Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1136126258Smlaier struct pf_pooladdr addr; 1137126258Smlaier}; 1138126258Smlaier 1139126258Smlaierstruct pfioc_rule { 1140126258Smlaier u_int32_t action; 1141126258Smlaier u_int32_t ticket; 1142126258Smlaier u_int32_t pool_ticket; 1143126258Smlaier u_int32_t nr; 1144126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1145126258Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1146126258Smlaier struct pf_rule rule; 1147126258Smlaier}; 1148126258Smlaier 1149126258Smlaierstruct pfioc_natlook { 1150126258Smlaier struct pf_addr saddr; 1151126258Smlaier struct pf_addr daddr; 1152126258Smlaier struct pf_addr rsaddr; 1153126258Smlaier struct pf_addr rdaddr; 1154126258Smlaier u_int16_t sport; 1155126258Smlaier u_int16_t dport; 1156126258Smlaier u_int16_t rsport; 1157126258Smlaier u_int16_t rdport; 1158126258Smlaier sa_family_t af; 1159126258Smlaier u_int8_t proto; 1160126258Smlaier u_int8_t direction; 1161126258Smlaier}; 1162126258Smlaier 1163126258Smlaierstruct pfioc_state { 1164126258Smlaier u_int32_t nr; 1165126258Smlaier struct pf_state state; 1166126258Smlaier}; 1167126258Smlaier 1168126258Smlaierstruct pfioc_state_kill { 1169126258Smlaier /* XXX returns the number of states killed in psk_af */ 1170126258Smlaier sa_family_t psk_af; 1171126258Smlaier int psk_proto; 1172126258Smlaier struct pf_rule_addr psk_src; 1173126258Smlaier struct pf_rule_addr psk_dst; 1174130613Smlaier char psk_ifname[IFNAMSIZ]; 1175126258Smlaier}; 1176126258Smlaier 1177126258Smlaierstruct pfioc_states { 1178126258Smlaier int ps_len; 1179126258Smlaier union { 1180126258Smlaier caddr_t psu_buf; 1181126258Smlaier struct pf_state *psu_states; 1182126258Smlaier } ps_u; 1183126258Smlaier#define ps_buf ps_u.psu_buf 1184126258Smlaier#define ps_states ps_u.psu_states 1185126258Smlaier}; 1186126258Smlaier 1187130613Smlaierstruct pfioc_src_nodes { 1188130613Smlaier int psn_len; 1189130613Smlaier union { 1190130613Smlaier caddr_t psu_buf; 1191130613Smlaier struct pf_src_node *psu_src_nodes; 1192130613Smlaier } psn_u; 1193130613Smlaier#define psn_buf psn_u.psu_buf 1194130613Smlaier#define psn_src_nodes psn_u.psu_src_nodes 1195130613Smlaier}; 1196130613Smlaier 1197126258Smlaierstruct pfioc_if { 1198126258Smlaier char ifname[IFNAMSIZ]; 1199126258Smlaier}; 1200126258Smlaier 1201126258Smlaierstruct pfioc_tm { 1202126258Smlaier int timeout; 1203126258Smlaier int seconds; 1204126258Smlaier}; 1205126258Smlaier 1206126258Smlaierstruct pfioc_limit { 1207126258Smlaier int index; 1208126258Smlaier unsigned limit; 1209126258Smlaier}; 1210126258Smlaier 1211126258Smlaierstruct pfioc_altq { 1212126258Smlaier u_int32_t action; 1213126258Smlaier u_int32_t ticket; 1214126258Smlaier u_int32_t nr; 1215126258Smlaier struct pf_altq altq; 1216126258Smlaier}; 1217126258Smlaier 1218126258Smlaierstruct pfioc_qstats { 1219126258Smlaier u_int32_t ticket; 1220126258Smlaier u_int32_t nr; 1221126258Smlaier void *buf; 1222126258Smlaier int nbytes; 1223126258Smlaier u_int8_t scheduler; 1224126258Smlaier}; 1225126258Smlaier 1226126258Smlaierstruct pfioc_anchor { 1227126258Smlaier u_int32_t nr; 1228126258Smlaier char name[PF_ANCHOR_NAME_SIZE]; 1229126258Smlaier}; 1230126258Smlaier 1231126258Smlaierstruct pfioc_ruleset { 1232126258Smlaier u_int32_t nr; 1233126258Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1234126258Smlaier char name[PF_RULESET_NAME_SIZE]; 1235126258Smlaier}; 1236126258Smlaier 1237130613Smlaier#define PF_RULESET_ALTQ (PF_RULESET_MAX) 1238130613Smlaier#define PF_RULESET_TABLE (PF_RULESET_MAX+1) 1239130613Smlaierstruct pfioc_trans { 1240130613Smlaier int size; /* number of elements */ 1241130613Smlaier int esize; /* size of each element in bytes */ 1242130613Smlaier struct pfioc_trans_e { 1243130613Smlaier int rs_num; 1244130613Smlaier char anchor[PF_ANCHOR_NAME_SIZE]; 1245130613Smlaier char ruleset[PF_RULESET_NAME_SIZE]; 1246130613Smlaier u_int32_t ticket; 1247130613Smlaier } *array; 1248130613Smlaier}; 1249130613Smlaier 1250126258Smlaier#define PFR_FLAG_ATOMIC 0x00000001 1251126258Smlaier#define PFR_FLAG_DUMMY 0x00000002 1252126258Smlaier#define PFR_FLAG_FEEDBACK 0x00000004 1253126258Smlaier#define PFR_FLAG_CLSTATS 0x00000008 1254126258Smlaier#define PFR_FLAG_ADDRSTOO 0x00000010 1255126258Smlaier#define PFR_FLAG_REPLACE 0x00000020 1256126258Smlaier#define PFR_FLAG_ALLRSETS 0x00000040 1257126258Smlaier#define PFR_FLAG_ALLMASK 0x0000007F 1258130613Smlaier#ifdef _KERNEL 1259130613Smlaier#define PFR_FLAG_USERIOCTL 0x10000000 1260130613Smlaier#endif 1261126258Smlaier 1262126258Smlaierstruct pfioc_table { 1263126258Smlaier struct pfr_table pfrio_table; 1264126258Smlaier void *pfrio_buffer; 1265126258Smlaier int pfrio_esize; 1266126258Smlaier int pfrio_size; 1267126258Smlaier int pfrio_size2; 1268126258Smlaier int pfrio_nadd; 1269126258Smlaier int pfrio_ndel; 1270126258Smlaier int pfrio_nchange; 1271126258Smlaier int pfrio_flags; 1272126258Smlaier u_int32_t pfrio_ticket; 1273126258Smlaier}; 1274126258Smlaier#define pfrio_exists pfrio_nadd 1275126258Smlaier#define pfrio_nzero pfrio_nadd 1276126258Smlaier#define pfrio_nmatch pfrio_nadd 1277126258Smlaier#define pfrio_naddr pfrio_size2 1278126258Smlaier#define pfrio_setflag pfrio_size2 1279126258Smlaier#define pfrio_clrflag pfrio_nadd 1280126258Smlaier 1281126258Smlaier 1282130613Smlaier#define PFI_FLAG_GROUP 0x0001 /* gets groups of interfaces */ 1283130613Smlaier#define PFI_FLAG_INSTANCE 0x0002 /* gets single interfaces */ 1284130613Smlaier#define PFI_FLAG_ALLMASK 0x0003 1285130613Smlaier 1286130613Smlaierstruct pfioc_iface { 1287130613Smlaier char pfiio_name[IFNAMSIZ]; 1288130613Smlaier void *pfiio_buffer; 1289130613Smlaier int pfiio_esize; 1290130613Smlaier int pfiio_size; 1291130613Smlaier int pfiio_nzero; 1292130613Smlaier int pfiio_flags; 1293130613Smlaier}; 1294130613Smlaier 1295130613Smlaier 1296126258Smlaier/* 1297126258Smlaier * ioctl operations 1298126258Smlaier */ 1299126258Smlaier 1300126258Smlaier#define DIOCSTART _IO ('D', 1) 1301126258Smlaier#define DIOCSTOP _IO ('D', 2) 1302126258Smlaier#define DIOCBEGINRULES _IOWR('D', 3, struct pfioc_rule) 1303126258Smlaier#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) 1304126258Smlaier#define DIOCCOMMITRULES _IOWR('D', 5, struct pfioc_rule) 1305126258Smlaier#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) 1306126258Smlaier#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) 1307126258Smlaier/* XXX cut 8 - 17 */ 1308130613Smlaier#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill) 1309126258Smlaier#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) 1310126258Smlaier#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) 1311126258Smlaier#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) 1312126258Smlaier#define DIOCCLRSTATUS _IO ('D', 22) 1313126258Smlaier#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) 1314126258Smlaier#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) 1315126258Smlaier#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) 1316126258Smlaier#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) 1317126258Smlaier/* XXX cut 26 - 28 */ 1318126258Smlaier#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) 1319126258Smlaier#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) 1320126258Smlaier#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) 1321126258Smlaier#define DIOCCLRRULECTRS _IO ('D', 38) 1322126258Smlaier#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) 1323126258Smlaier#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) 1324126258Smlaier#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) 1325126258Smlaier#define DIOCSTARTALTQ _IO ('D', 42) 1326126258Smlaier#define DIOCSTOPALTQ _IO ('D', 43) 1327126258Smlaier#define DIOCBEGINALTQS _IOWR('D', 44, u_int32_t) 1328126258Smlaier#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) 1329126258Smlaier#define DIOCCOMMITALTQS _IOWR('D', 46, u_int32_t) 1330126258Smlaier#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) 1331126258Smlaier#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) 1332126258Smlaier#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) 1333126258Smlaier#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) 1334126258Smlaier#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) 1335126258Smlaier#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) 1336126258Smlaier#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) 1337126258Smlaier#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) 1338126258Smlaier#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) 1339126258Smlaier#define DIOCGETANCHORS _IOWR('D', 56, struct pfioc_anchor) 1340126258Smlaier#define DIOCGETANCHOR _IOWR('D', 57, struct pfioc_anchor) 1341126258Smlaier#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) 1342126258Smlaier#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) 1343126258Smlaier#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) 1344126258Smlaier#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) 1345126258Smlaier#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) 1346126258Smlaier#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) 1347126258Smlaier#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) 1348126258Smlaier#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) 1349126258Smlaier#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) 1350126258Smlaier#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) 1351126258Smlaier#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) 1352126258Smlaier#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) 1353126258Smlaier#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) 1354126258Smlaier#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) 1355126258Smlaier#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) 1356126258Smlaier#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) 1357126258Smlaier#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) 1358126258Smlaier#define DIOCRINABEGIN _IOWR('D', 75, struct pfioc_table) 1359126258Smlaier#define DIOCRINACOMMIT _IOWR('D', 76, struct pfioc_table) 1360126258Smlaier#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) 1361126258Smlaier#define DIOCOSFPFLUSH _IO('D', 78) 1362126258Smlaier#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) 1363126258Smlaier#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) 1364130613Smlaier#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans) 1365130613Smlaier#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans) 1366130613Smlaier#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans) 1367130613Smlaier#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes) 1368130613Smlaier#define DIOCCLRSRCNODES _IO('D', 85) 1369130613Smlaier#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t) 1370130613Smlaier#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface) 1371130613Smlaier#define DIOCICLRISTATS _IOWR('D', 88, struct pfioc_iface) 1372127145Smlaier#ifdef __FreeBSD__ 1373126261Smlaierstruct pf_ifspeed { 1374126261Smlaier char ifname[IFNAMSIZ]; 1375126261Smlaier u_int32_t baudrate; 1376126261Smlaier}; 1377130613Smlaier#define DIOCGIFSPEED _IOWR('D', 89, struct pf_ifspeed) 1378126261Smlaier#endif 1379126258Smlaier 1380126258Smlaier#ifdef _KERNEL 1381130613SmlaierRB_HEAD(pf_src_tree, pf_src_node); 1382130613SmlaierRB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare); 1383130613Smlaierextern struct pf_src_tree tree_src_tracking; 1384126258Smlaier 1385130613SmlaierRB_HEAD(pf_state_tree_id, pf_state); 1386130613SmlaierRB_PROTOTYPE(pf_state_tree_id, pf_state, 1387130613Smlaier entry_id, pf_state_compare_id); 1388130613Smlaierextern struct pf_state_tree_id tree_id; 1389130613Smlaierextern struct pf_state_queue state_updates; 1390130613Smlaier 1391130613Smlaierextern struct pf_anchorqueue pf_anchors; 1392130613Smlaierextern struct pf_ruleset pf_main_ruleset; 1393126258SmlaierTAILQ_HEAD(pf_poolqueue, pf_pool); 1394130613Smlaierextern struct pf_poolqueue pf_pools[2]; 1395126258SmlaierTAILQ_HEAD(pf_altqqueue, pf_altq); 1396130613Smlaierextern struct pf_altqqueue pf_altqs[2]; 1397130613Smlaierextern struct pf_palist pf_pabuf; 1398130613Smlaierextern struct pfi_kif **pfi_index2kif; 1399126258Smlaier 1400126258Smlaierextern u_int32_t ticket_altqs_active; 1401126258Smlaierextern u_int32_t ticket_altqs_inactive; 1402130613Smlaierextern int altqs_inactive_open; 1403126258Smlaierextern u_int32_t ticket_pabuf; 1404126258Smlaierextern struct pf_altqqueue *pf_altqs_active; 1405126258Smlaierextern struct pf_altqqueue *pf_altqs_inactive; 1406126258Smlaierextern struct pf_poolqueue *pf_pools_active; 1407126258Smlaierextern struct pf_poolqueue *pf_pools_inactive; 1408126258Smlaierextern int pf_tbladdr_setup(struct pf_ruleset *, 1409126258Smlaier struct pf_addr_wrap *); 1410126258Smlaierextern void pf_tbladdr_remove(struct pf_addr_wrap *); 1411126258Smlaierextern void pf_tbladdr_copyout(struct pf_addr_wrap *); 1412126258Smlaierextern void pf_calc_skip_steps(struct pf_rulequeue *); 1413126258Smlaierextern void pf_update_anchor_rules(void); 1414127145Smlaier#ifdef __FreeBSD__ 1415130613Smlaierextern uma_zone_t pf_src_tree_pl, pf_rule_pl; 1416126261Smlaierextern uma_zone_t pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1417126261Smlaierextern uma_zone_t pfr_ktable_pl, pfr_kentry_pl; 1418126261Smlaierextern uma_zone_t pf_cache_pl, pf_cent_pl; 1419126261Smlaierextern uma_zone_t pf_state_scrub_pl; 1420130613Smlaierextern uma_zone_t pfi_addr_pl; 1421126261Smlaier#else 1422130613Smlaierextern struct pool pf_src_tree_pl, pf_rule_pl; 1423126258Smlaierextern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl; 1424126258Smlaierextern struct pool pf_state_scrub_pl; 1425126261Smlaier#endif 1426126258Smlaierextern void pf_purge_timeout(void *); 1427130613Smlaierextern void pf_purge_expired_src_nodes(void); 1428126258Smlaierextern void pf_purge_expired_states(void); 1429130613Smlaierextern int pf_insert_state(struct pfi_kif *, 1430130613Smlaier struct pf_state *); 1431130613Smlaierextern int pf_insert_src_node(struct pf_src_node **, 1432130613Smlaier struct pf_rule *, struct pf_addr *, 1433130613Smlaier sa_family_t); 1434130613Smlaiervoid pf_src_tree_remove_state(struct pf_state *); 1435130613Smlaierextern struct pf_state *pf_find_state_byid(struct pf_state *); 1436130613Smlaierextern struct pf_state *pf_find_state_all(struct pf_state *key, 1437130613Smlaier u_int8_t tree, int *more); 1438126258Smlaierextern struct pf_anchor *pf_find_anchor(const char *); 1439126258Smlaierextern struct pf_ruleset *pf_find_ruleset(char *, char *); 1440130613Smlaierextern struct pf_ruleset *pf_find_or_create_ruleset( 1441130613Smlaier char[PF_ANCHOR_NAME_SIZE], 1442130613Smlaier char[PF_RULESET_NAME_SIZE]); 1443126258Smlaierextern void pf_remove_if_empty_ruleset( 1444126258Smlaier struct pf_ruleset *); 1445133574Smlaierextern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t, 1446133574Smlaier u_int8_t); 1447126258Smlaier 1448130613Smlaierextern struct ifnet *sync_ifp; 1449126258Smlaierextern struct pf_rule pf_default_rule; 1450126258Smlaierextern void pf_addrcpy(struct pf_addr *, struct pf_addr *, 1451126258Smlaier u_int8_t); 1452126258Smlaiervoid pf_rm_rule(struct pf_rulequeue *, 1453126258Smlaier struct pf_rule *); 1454126258Smlaier 1455126258Smlaier#ifdef INET 1456126258Smlaierint pf_test(int, struct ifnet *, struct mbuf **); 1457126258Smlaier#endif /* INET */ 1458126258Smlaier 1459126258Smlaier#ifdef INET6 1460126258Smlaierint pf_test6(int, struct ifnet *, struct mbuf **); 1461126258Smlaiervoid pf_poolmask(struct pf_addr *, struct pf_addr*, 1462126258Smlaier struct pf_addr *, struct pf_addr *, u_int8_t); 1463126258Smlaiervoid pf_addr_inc(struct pf_addr *, sa_family_t); 1464126258Smlaier#endif /* INET6 */ 1465126258Smlaier 1466126258Smlaiervoid *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *, 1467126258Smlaier sa_family_t); 1468126258Smlaiervoid pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); 1469130613Smlaierint pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t, 1470126258Smlaier u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *); 1471126258Smlaierint pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, 1472126258Smlaier struct pf_addr *, sa_family_t); 1473126258Smlaierint pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t); 1474126258Smlaierint pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); 1475126258Smlaierint pf_match_uid(u_int8_t, uid_t, uid_t, uid_t); 1476126258Smlaierint pf_match_gid(u_int8_t, gid_t, gid_t, gid_t); 1477126258Smlaier 1478126258Smlaiervoid pf_normalize_init(void); 1479130613Smlaierint pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *); 1480130613Smlaierint pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *); 1481130613Smlaierint pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *, 1482126258Smlaier struct pf_pdesc *); 1483126258Smlaiervoid pf_normalize_tcp_cleanup(struct pf_state *); 1484126258Smlaierint pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *, 1485126258Smlaier struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); 1486126258Smlaierint pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *, 1487126258Smlaier u_short *, struct tcphdr *, struct pf_state_peer *, 1488126258Smlaier struct pf_state_peer *, int *); 1489126258Smlaieru_int32_t 1490126258Smlaier pf_state_expires(const struct pf_state *); 1491126258Smlaiervoid pf_purge_expired_fragments(void); 1492126258Smlaierint pf_routable(struct pf_addr *addr, sa_family_t af); 1493126258Smlaiervoid pfr_initialize(void); 1494126258Smlaierint pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); 1495126258Smlaiervoid pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, 1496126258Smlaier u_int64_t, int, int, int); 1497126258Smlaierint pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, 1498126258Smlaier struct pf_addr **, struct pf_addr **, sa_family_t); 1499130613Smlaiervoid pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *); 1500126258Smlaierstruct pfr_ktable * 1501126258Smlaier pfr_attach_table(struct pf_ruleset *, char *); 1502126258Smlaiervoid pfr_detach_table(struct pfr_ktable *); 1503126258Smlaierint pfr_clr_tables(struct pfr_table *, int *, int); 1504126258Smlaierint pfr_add_tables(struct pfr_table *, int, int *, int); 1505126258Smlaierint pfr_del_tables(struct pfr_table *, int, int *, int); 1506126258Smlaierint pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 1507126258Smlaierint pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 1508126258Smlaierint pfr_clr_tstats(struct pfr_table *, int, int *, int); 1509126258Smlaierint pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int); 1510126258Smlaierint pfr_clr_addrs(struct pfr_table *, int *, int); 1511126258Smlaierint pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1512126258Smlaier int); 1513126258Smlaierint pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1514126258Smlaier int); 1515126258Smlaierint pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1516126258Smlaier int *, int *, int *, int); 1517126258Smlaierint pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 1518126258Smlaierint pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 1519126258Smlaierint pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, 1520126258Smlaier int); 1521126258Smlaierint pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 1522126258Smlaier int); 1523126258Smlaierint pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); 1524130613Smlaierint pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int); 1525126258Smlaierint pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); 1526126258Smlaierint pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 1527126258Smlaier int *, u_int32_t, int); 1528126258Smlaier 1529130613Smlaiervoid pfi_initialize(void); 1530130613Smlaier#ifdef __FreeBSD__ 1531130613Smlaiervoid pfi_cleanup(void); 1532130613Smlaier#endif 1533130613Smlaiervoid pfi_attach_clone(struct if_clone *); 1534130613Smlaiervoid pfi_attach_ifnet(struct ifnet *); 1535130613Smlaiervoid pfi_detach_ifnet(struct ifnet *); 1536130613Smlaierstruct pfi_kif *pfi_lookup_create(const char *); 1537130613Smlaierstruct pfi_kif *pfi_lookup_if(const char *); 1538130613Smlaierint pfi_maybe_destroy(struct pfi_kif *); 1539130613Smlaierstruct pfi_kif *pfi_attach_rule(const char *); 1540130613Smlaiervoid pfi_detach_rule(struct pfi_kif *); 1541130613Smlaiervoid pfi_attach_state(struct pfi_kif *); 1542130613Smlaiervoid pfi_detach_state(struct pfi_kif *); 1543130613Smlaierint pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t); 1544130613Smlaiervoid pfi_dynaddr_copyout(struct pf_addr_wrap *); 1545130613Smlaiervoid pfi_dynaddr_remove(struct pf_addr_wrap *); 1546130613Smlaiervoid pfi_fill_oldstatus(struct pf_status *); 1547130613Smlaierint pfi_clr_istats(const char *, int *, int); 1548130613Smlaierint pfi_get_ifaces(const char *, struct pfi_if *, int *, int); 1549130613Smlaierint pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *, 1550130613Smlaier sa_family_t); 1551130613Smlaier 1552130613Smlaierextern struct pfi_statehead pfi_statehead; 1553130613Smlaier 1554126258Smlaieru_int16_t pf_tagname2tag(char *); 1555126258Smlaiervoid pf_tag2tagname(u_int16_t, char *); 1556126258Smlaiervoid pf_tag_unref(u_int16_t); 1557126258Smlaierint pf_tag_packet(struct mbuf *, struct pf_tag *, int); 1558130613Smlaieru_int32_t pf_qname2qid(char *); 1559130613Smlaiervoid pf_qid2qname(u_int32_t, char *); 1560130613Smlaiervoid pf_qid_unref(u_int32_t); 1561126258Smlaier 1562126258Smlaierextern struct pf_status pf_status; 1563126261Smlaier 1564127145Smlaier#ifdef __FreeBSD__ 1565126261Smlaierextern uma_zone_t pf_frent_pl, pf_frag_pl; 1566126261Smlaier#else 1567126258Smlaierextern struct pool pf_frent_pl, pf_frag_pl; 1568126261Smlaier#endif 1569126258Smlaier 1570126258Smlaierstruct pf_pool_limit { 1571126258Smlaier void *pp; 1572126258Smlaier unsigned limit; 1573126258Smlaier}; 1574126258Smlaierextern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX]; 1575126258Smlaier 1576127145Smlaier#ifdef __FreeBSD__ 1577126261Smlaierstruct pf_frent { 1578126261Smlaier LIST_ENTRY(pf_frent) fr_next; 1579126261Smlaier struct ip *fr_ip; 1580126261Smlaier struct mbuf *fr_m; 1581126261Smlaier}; 1582126261Smlaier 1583126261Smlaierstruct pf_frcache { 1584126261Smlaier LIST_ENTRY(pf_frcache) fr_next; 1585126261Smlaier uint16_t fr_off; 1586126261Smlaier uint16_t fr_end; 1587126261Smlaier}; 1588126261Smlaier 1589126261Smlaierstruct pf_fragment { 1590126261Smlaier RB_ENTRY(pf_fragment) fr_entry; 1591126261Smlaier TAILQ_ENTRY(pf_fragment) frag_next; 1592126261Smlaier struct in_addr fr_src; 1593126261Smlaier struct in_addr fr_dst; 1594126261Smlaier u_int8_t fr_p; /* protocol of this fragment */ 1595126261Smlaier u_int8_t fr_flags; /* status flags */ 1596126261Smlaier u_int16_t fr_id; /* fragment id for reassemble */ 1597126261Smlaier u_int16_t fr_max; /* fragment data max */ 1598126261Smlaier u_int32_t fr_timeout; 1599126261Smlaier#define fr_queue fr_u.fru_queue 1600126261Smlaier#define fr_cache fr_u.fru_cache 1601126261Smlaier union { 1602126261Smlaier LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */ 1603126261Smlaier LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */ 1604126261Smlaier } fr_u; 1605126261Smlaier}; 1606126261Smlaier#endif /* (__FreeBSD__) */ 1607126261Smlaier 1608126258Smlaier#endif /* _KERNEL */ 1609126258Smlaier 1610126258Smlaier/* The fingerprint functions can be linked into userland programs (tcpdump) */ 1611126258Smlaierint pf_osfp_add(struct pf_osfp_ioctl *); 1612126258Smlaier#ifdef _KERNEL 1613126258Smlaierstruct pf_osfp_enlist * 1614126258Smlaier pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int, 1615126258Smlaier const struct tcphdr *); 1616126258Smlaier#endif /* _KERNEL */ 1617126258Smlaierstruct pf_osfp_enlist * 1618126258Smlaier pf_osfp_fingerprint_hdr(const struct ip *, const struct tcphdr *); 1619126258Smlaiervoid pf_osfp_flush(void); 1620126258Smlaierint pf_osfp_get(struct pf_osfp_ioctl *); 1621127145Smlaier#ifdef __FreeBSD__ 1622126261Smlaierint pf_osfp_initialize(void); 1623126261Smlaiervoid pf_osfp_cleanup(void); 1624126261Smlaier#else 1625126258Smlaiervoid pf_osfp_initialize(void); 1626126261Smlaier#endif 1627126258Smlaierint pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); 1628126258Smlaierstruct pf_os_fingerprint * 1629126258Smlaier pf_osfp_validate(void); 1630126258Smlaier 1631126258Smlaier 1632126258Smlaier#endif /* _NET_PFVAR_H_ */ 1633