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b0d623f7 1/*
cb323159 2 * Copyright (c) 2007-2019 Apple Inc. All rights reserved.
b0d623f7
A		 3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
d1ecb069 29/* $apfw: git commit b6bf13f8321283cd7ee82b1795e86506084b1b95 $ */
b0d623f7
A		 30/* $OpenBSD: pfvar.h,v 1.259 2007/12/02 12:08:04 pascoe Exp $ */
31
32/*
33 * Copyright (c) 2001 Daniel Hartmeier
3e170ce0 34 * NAT64 - Copyright (c) 2010 Viagenie Inc. (http://www.viagenie.ca)
b0d623f7
A		 35 * All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 *
41 * - Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * - Redistributions in binary form must reproduce the above
44 * copyright notice, this list of conditions and the following
45 * disclaimer in the documentation and/or other materials provided
46 * with the distribution.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
49 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
50 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
51 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
52 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
53 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
54 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
55 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
56 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
58 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
59 * POSSIBILITY OF SUCH DAMAGE.
60 *
61 */
62
63#ifndef _NET_PFVAR_H_
64#define _NET_PFVAR_H_
65
66#ifdef PRIVATE
d1ecb069
A		 67/*
68 * XXX
69 * XXX Private interfaces. Do not include this file; use pfctl(8) instead.
70 * XXX
71 */
b0d623f7
A		 72#if PF || !defined(KERNEL)
73
74#ifdef __cplusplus
75extern "C" {
76#endif
77
316670eb 78#include <stdbool.h>
b0d623f7
A		 79#include <sys/param.h>
80#include <sys/types.h>
81#include <sys/queue.h>
6d2010ae 82#include <libkern/tree.h>
b0d623f7
A		 83
84#include <net/radix.h>
85#include <netinet/in.h>
3e170ce0 86#include <net/if_var.h>
b0d623f7
A		 87#ifdef KERNEL
88#include <kern/kern_types.h>
89#include <kern/zalloc.h>
fe8ab488 90#include <kern/locks.h>
b0d623f7
A		 91
92#include <machine/endian.h>
93#include <sys/systm.h>
5ba3f43e
A		 94#include <net/pf_pbuf.h>
95
b0d623f7
A		 96
97#if BYTE_ORDER == BIG_ENDIAN
0a7de745 98#define htobe64(x) (x)
b0d623f7 99#else /* LITTLE ENDIAN */
0a7de745 100#define htobe64(x) __DARWIN_OSSwapInt64(x)
b0d623f7
A		 101#endif /* LITTLE_ENDIAN */
102
0a7de745 103#define be64toh(x) htobe64(x)
b0d623f7 104
39236c6e
A		 105extern lck_rw_t *pf_perim_lock;
106extern lck_mtx_t *pf_lock;
b0d623f7
A		 107
108struct pool {
0a7de745
A		 109 struct zone *pool_zone; /* pointer to backend zone */
110 const char *pool_name; /* name of pool */
111 unsigned int pool_count; /* # of outstanding elements */
112 unsigned int pool_hiwat; /* high watermark */
113 unsigned int pool_limit; /* hard limit */
114 unsigned int pool_fails; /* # of failed allocs due to limit */
b0d623f7
A		 115};
116
0a7de745
A		 117#define PR_NOWAIT FALSE
118#define PR_WAITOK TRUE
b0d623f7
A		 119
120__private_extern__ void pool_init(struct pool *, size_t, unsigned int,
121 unsigned int, int, const char *, void *);
122__private_extern__ void pool_destroy(struct pool *);
123__private_extern__ void pool_sethiwat(struct pool *, int);
124__private_extern__ void pool_sethardlimit(struct pool *, int,
125 const char *, int);
126__private_extern__ void *pool_get(struct pool *, int);
127__private_extern__ void pool_put(struct pool *, void *);
128__private_extern__ u_int64_t pf_time_second(void);
b7266188 129__private_extern__ u_int64_t pf_calendar_time_second(void);
b0d623f7
A		 130#endif /* KERNEL */
131
132union sockaddr_union {
0a7de745
A		 133 struct sockaddr sa;
134 struct sockaddr_in sin;
135 struct sockaddr_in6 sin6;
b0d623f7
A		 136};
137
0a7de745
A		 138#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0)
139#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1)
b0d623f7 140
0a7de745 141#define PF_MD5_DIGEST_LENGTH 16
b0d623f7
A		 142#ifdef MD5_DIGEST_LENGTH
143#if PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH
144#error
d1ecb069
A		 145#endif /* PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH */
146#endif /* MD5_DIGEST_LENGTH */
b0d623f7 147
d1ecb069
A		 148#ifdef KERNEL
149struct ip;
150struct ip6_hdr;
151struct tcphdr;
b0d623f7
A		 152struct pf_grev1_hdr;
153struct pf_esp_hdr;
d1ecb069 154#endif /* KERNEL */
b0d623f7 155
0a7de745 156#define PF_GRE_PPTP_VARIANT 0x01
316670eb 157
0a7de745
A		 158enum { PF_INOUT, PF_IN, PF_OUT };
159enum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT,
316670eb 160 PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP,
3e170ce0 161 PF_DUMMYNET, PF_NODUMMYNET, PF_NAT64, PF_NONAT64 };
0a7de745
A		 162enum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT,
163 PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_DUMMYNET,
316670eb 164 PF_RULESET_MAX };
0a7de745 165enum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT,
b0d623f7 166 PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG };
0a7de745
A		 167enum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY };
168enum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL,
b0d623f7
A		 169 PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER,
170 PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET };
0a7de745 171enum { PF_GET_NONE, PF_GET_CLR_CNTR };
b0d623f7
A		 172
173/*
174 * Note about PFTM_*: real indices into pf_rule.timeout[] come before
175 * PFTM_MAX, special cases afterwards. See pf_state_expires().
176 */
0a7de745 177enum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED,
b0d623f7
A		 178 PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED,
179 PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE,
180 PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY,
316670eb
A		 181 PFTM_GREv1_FIRST_PACKET, PFTM_GREv1_INITIATING,
182 PFTM_GREv1_ESTABLISHED, PFTM_ESP_FIRST_PACKET, PFTM_ESP_INITIATING,
183 PFTM_ESP_ESTABLISHED, PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE,
b0d623f7
A		 184 PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL,
185 PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE,
fe8ab488 186 PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNLINKED };
b0d623f7
A		 187
188/* PFTM default values */
0a7de745
A		 189#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */
190#define PFTM_TCP_OPENING_VAL 30 /* No response yet */
191#define PFTM_TCP_ESTABLISHED_VAL (24 * 60 * 60) /* Established */
192#define PFTM_TCP_CLOSING_VAL (15 * 60) /* Half closed */
193#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */
194#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */
195#define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */
196#define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */
197#define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */
198#define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */
199#define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */
200#define PFTM_GREv1_FIRST_PACKET_VAL 120
201#define PFTM_GREv1_INITIATING_VAL 30
202#define PFTM_GREv1_ESTABLISHED_VAL 1800
203#define PFTM_ESP_FIRST_PACKET_VAL 120
204#define PFTM_ESP_INITIATING_VAL 30
205#define PFTM_ESP_ESTABLISHED_VAL 900
206#define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */
207#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */
208#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */
209#define PFTM_FRAG_VAL 30 /* Fragment expire */
210#define PFTM_INTERVAL_VAL 10 /* Expire interval */
211#define PFTM_SRC_NODE_VAL 0 /* Source tracking */
212#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */
213
214enum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO };
215enum { PF_LIMIT_STATES,
b0d623f7 216 PF_LIMIT_APP_STATES,
b0d623f7
A		 217 PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS,
218 PF_LIMIT_TABLES, PF_LIMIT_TABLE_ENTRIES, PF_LIMIT_MAX };
0a7de745
A		 219#define PF_POOL_IDMASK 0x0f
220enum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM,
b0d623f7 221 PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN };
0a7de745 222enum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL,
b0d623f7
A		 223 PF_ADDR_TABLE, PF_ADDR_RTLABEL, PF_ADDR_URPFFAILED,
224 PF_ADDR_RANGE };
0a7de745
A		 225#define PF_POOL_TYPEMASK 0x0f
226#define PF_POOL_STICKYADDR 0x20
227#define PF_WSCALE_FLAG 0x80
228#define PF_WSCALE_MASK 0x0f
b0d623f7 229
0a7de745
A		 230#define PF_LOG 0x01
231#define PF_LOG_ALL 0x02
232#define PF_LOG_SOCKET_LOOKUP 0x04
b0d623f7
A		 233
234struct pf_addr {
235 union {
0a7de745
A		 236 struct in_addr _v4addr;
237 struct in6_addr _v6addr;
238 u_int8_t _addr8[16];
239 u_int16_t _addr16[8];
240 u_int32_t _addr32[4];
241 } pfa; /* 128-bit address */
242#define v4addr pfa._v4addr
243#define v6addr pfa._v6addr
244#define addr8 pfa._addr8
245#define addr16 pfa._addr16
246#define addr32 pfa._addr32
247};
248
249#define PF_TABLE_NAME_SIZE 32
250
251#define PFI_AFLAG_NETWORK 0x01
252#define PFI_AFLAG_BROADCAST 0x02
253#define PFI_AFLAG_PEER 0x04
254#define PFI_AFLAG_MODEMASK 0x07
255#define PFI_AFLAG_NOALIAS 0x08
b0d623f7
A		 256
257#ifndef RTLABEL_LEN
258#define RTLABEL_LEN 32
259#endif
260
261struct pf_addr_wrap {
262 union {
263 struct {
0a7de745
A		 264 struct pf_addr addr;
265 struct pf_addr mask;
266 } a;
267 char ifname[IFNAMSIZ];
268 char tblname[PF_TABLE_NAME_SIZE];
269 char rtlabelname[RTLABEL_LEN];
270 u_int32_t rtlabel;
271 } v;
b0d623f7 272 union {
d1ecb069 273#ifdef KERNEL
0a7de745
A		 274 struct pfi_dynaddr *dyn __attribute__((aligned(8)));
275 struct pfr_ktable *tbl __attribute__((aligned(8)));
d1ecb069 276#else /* !KERNEL */
0a7de745
A		 277 void *dyn __attribute__((aligned(8)));
278 void *tbl __attribute__((aligned(8)));
d1ecb069 279#endif /* !KERNEL */
0a7de745
A		 280 int dyncnt __attribute__((aligned(8)));
281 int tblcnt __attribute__((aligned(8)));
282 } p __attribute__((aligned(8)));
283 u_int8_t type; /* PF_ADDR_* */
284 u_int8_t iflags; /* PFI_AFLAG_* */
b0d623f7
A		 285};
286
b0d623f7 287struct pf_port_range {
0a7de745
A		 288 u_int16_t port[2];
289 u_int8_t op;
b0d623f7
A		 290};
291
292union pf_rule_xport {
0a7de745
A		 293 struct pf_port_range range;
294 u_int16_t call_id;
295 u_int32_t spi;
b0d623f7 296};
b0d623f7
A		 297
298#ifdef KERNEL
299struct pfi_dynaddr {
0a7de745
A		 300 TAILQ_ENTRY(pfi_dynaddr) entry;
301 struct pf_addr pfid_addr4;
302 struct pf_addr pfid_mask4;
303 struct pf_addr pfid_addr6;
304 struct pf_addr pfid_mask6;
305 struct pfr_ktable *pfid_kt;
306 struct pfi_kif *pfid_kif;
307 void *pfid_hook_cookie;
f427ee49 308 uint8_t pfid_net; /* mask or 128 */
0a7de745
A		 309 int pfid_acnt4; /* address count IPv4 */
310 int pfid_acnt6; /* address count IPv6 */
311 sa_family_t pfid_af; /* rule af */
312 u_int8_t pfid_iflags; /* PFI_AFLAG_* */
b0d623f7
A		 313};
314
315/*
316 * Address manipulation macros
317 */
318
319#if INET
b0d623f7
A		 320#endif /* INET */
321
b0d623f7
A		 322#if !INET
323#define PF_INET6_ONLY
324#endif /* ! INET */
b0d623f7
A		 325
326#if INET
b0d623f7 327#define PF_INET_INET6
b0d623f7
A		 328#endif /* INET */
329
d1ecb069 330#else /* !KERNEL */
b0d623f7
A		 331
332#define PF_INET_INET6
333
d1ecb069 334#endif /* !KERNEL */
b0d623f7
A		 335
336/* Both IPv4 and IPv6 */
337#ifdef PF_INET_INET6
338
339#define PF_AEQ(a, b, c) \
340 ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \
341 ((a)->addr32[3] == (b)->addr32[3] && \
342 (a)->addr32[2] == (b)->addr32[2] && \
343 (a)->addr32[1] == (b)->addr32[1] && \
344 (a)->addr32[0] == (b)->addr32[0])) \
345
346#define PF_ANEQ(a, b, c) \
347 ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \
348 ((a)->addr32[3] != (b)->addr32[3] || \
349 (a)->addr32[2] != (b)->addr32[2] || \
350 (a)->addr32[1] != (b)->addr32[1] || \
351 (a)->addr32[0] != (b)->addr32[0])) \
352
316670eb
A		 353#define PF_ALEQ(a, b, c) \
354 ((c == AF_INET && (a)->addr32[0] <= (b)->addr32[0]) || \
355 ((a)->addr32[3] <= (b)->addr32[3] && \
356 (a)->addr32[2] <= (b)->addr32[2] && \
357 (a)->addr32[1] <= (b)->addr32[1] && \
358 (a)->addr32[0] <= (b)->addr32[0])) \
359
b0d623f7
A		 360#define PF_AZERO(a, c) \
361 ((c == AF_INET && !(a)->addr32[0]) || \
362 (!(a)->addr32[0] && !(a)->addr32[1] && \
363 !(a)->addr32[2] && !(a)->addr32[3])) \
364
365#define PF_MATCHA(n, a, m, b, f) \
366 pf_match_addr(n, a, m, b, f)
367
368#define PF_ACPY(a, b, f) \
369 pf_addrcpy(a, b, f)
370
371#define PF_AINC(a, f) \
372 pf_addr_inc(a, f)
373
374#define PF_POOLMASK(a, b, c, d, f) \
375 pf_poolmask(a, b, c, d, f)
376
377#else
378
379/* Just IPv6 */
380
381#ifdef PF_INET6_ONLY
382
383#define PF_AEQ(a, b, c) \
384 ((a)->addr32[3] == (b)->addr32[3] && \
385 (a)->addr32[2] == (b)->addr32[2] && \
386 (a)->addr32[1] == (b)->addr32[1] && \
387 (a)->addr32[0] == (b)->addr32[0]) \
388
389#define PF_ANEQ(a, b, c) \
390 ((a)->addr32[3] != (b)->addr32[3] || \
391 (a)->addr32[2] != (b)->addr32[2] || \
392 (a)->addr32[1] != (b)->addr32[1] || \
393 (a)->addr32[0] != (b)->addr32[0]) \
394
316670eb
A		 395#define PF_ALEQ(a, b, c) \
396 ((a)->addr32[3] <= (b)->addr32[3] && \
397 (a)->addr32[2] <= (b)->addr32[2] && \
398 (a)->addr32[1] <= (b)->addr32[1] && \
399 (a)->addr32[0] <= (b)->addr32[0]) \
400
b0d623f7
A		 401#define PF_AZERO(a, c) \
402 (!(a)->addr32[0] && \
403 !(a)->addr32[1] && \
404 !(a)->addr32[2] && \
405 !(a)->addr32[3]) \
406
407#define PF_MATCHA(n, a, m, b, f) \
408 pf_match_addr(n, a, m, b, f)
409
410#define PF_ACPY(a, b, f) \
411 pf_addrcpy(a, b, f)
412
413#define PF_AINC(a, f) \
414 pf_addr_inc(a, f)
415
416#define PF_POOLMASK(a, b, c, d, f) \
417 pf_poolmask(a, b, c, d, f)
418
419#else
420
421/* Just IPv4 */
422#ifdef PF_INET_ONLY
423
424#define PF_AEQ(a, b, c) \
425 ((a)->addr32[0] == (b)->addr32[0])
426
427#define PF_ANEQ(a, b, c) \
428 ((a)->addr32[0] != (b)->addr32[0])
429
316670eb
A		 430#define PF_ALEQ(a, b, c) \
431 ((a)->addr32[0] <= (b)->addr32[0])
432
b0d623f7
A		 433#define PF_AZERO(a, c) \
434 (!(a)->addr32[0])
435
436#define PF_MATCHA(n, a, m, b, f) \
437 pf_match_addr(n, a, m, b, f)
438
439#define PF_ACPY(a, b, f) \
440 (a)->v4.s_addr = (b)->v4.s_addr
441
442#define PF_AINC(a, f) \
443 do { \
0a7de745 444 (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \
b0d623f7
A		 445 } while (0)
446
447#define PF_POOLMASK(a, b, c, d, f) \
448 do { \
0a7de745
A		 449 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
450 (((c)->addr32[0] ^ 0xffffffff) & (d)->addr32[0]); \
b0d623f7
A		 451 } while (0)
452
453#endif /* PF_INET_ONLY */
454#endif /* PF_INET6_ONLY */
455#endif /* PF_INET_INET6 */
456
d1ecb069 457#ifdef KERNEL
0a7de745
A		 458#define PF_MISMATCHAW(aw, x, af, neg, ifp) \
459 ( \
460 (((aw)->type == PF_ADDR_NOROUTE && \
461 pf_routable((x), (af), NULL)) || \
462 (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \
463 pf_routable((x), (af), (ifp))) || \
464 ((aw)->type == PF_ADDR_RTLABEL && \
465 !pf_rtlabel_match((x), (af), (aw))) || \
466 ((aw)->type == PF_ADDR_TABLE && \
467 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
468 ((aw)->type == PF_ADDR_DYNIFTL && \
469 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
470 ((aw)->type == PF_ADDR_RANGE && \
471 !pf_match_addr_range(&(aw)->v.a.addr, \
472 &(aw)->v.a.mask, (x), (af))) || \
473 ((aw)->type == PF_ADDR_ADDRMASK && \
474 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
475 !PF_MATCHA(0, &(aw)->v.a.addr, \
476 &(aw)->v.a.mask, (x), (af))))) != \
477 (neg) \
b0d623f7 478 )
d1ecb069 479#endif /* KERNEL */
b0d623f7
A		 480
481struct pf_rule_uid {
0a7de745
A		 482 uid_t uid[2];
483 u_int8_t op;
484 u_int8_t _pad[3];
b0d623f7
A		 485};
486
487struct pf_rule_gid {
0a7de745
A		 488 uid_t gid[2];
489 u_int8_t op;
490 u_int8_t _pad[3];
b0d623f7
A		 491};
492
493struct pf_rule_addr {
0a7de745
A		 494 struct pf_addr_wrap addr;
495 union pf_rule_xport xport;
496 u_int8_t neg;
b0d623f7
A		 497};
498
499struct pf_pooladdr {
0a7de745
A		 500 struct pf_addr_wrap addr;
501 TAILQ_ENTRY(pf_pooladdr) entries;
b0d623f7 502#if !defined(__LP64__)
0a7de745 503 u_int32_t _pad[2];
b0d623f7 504#endif /* !__LP64__ */
0a7de745 505 char ifname[IFNAMSIZ];
d1ecb069 506#ifdef KERNEL
0a7de745 507 struct pfi_kif *kif __attribute__((aligned(8)));
d1ecb069 508#else /* !KERNEL */
0a7de745 509 void *kif __attribute__((aligned(8)));
d1ecb069 510#endif /* !KERNEL */
b0d623f7
A		 511};
512
513TAILQ_HEAD(pf_palist, pf_pooladdr);
514
515struct pf_poolhashkey {
516 union {
0a7de745
A		 517 u_int8_t key8[16];
518 u_int16_t key16[8];
519 u_int32_t key32[4];
520 } pfk; /* 128-bit hash key */
521#define key8 pfk.key8
522#define key16 pfk.key16
523#define key32 pfk.key32
b0d623f7
A		 524};
525
526struct pf_pool {
0a7de745 527 struct pf_palist list;
b0d623f7 528#if !defined(__LP64__)
0a7de745 529 u_int32_t _pad[2];
b0d623f7 530#endif /* !__LP64__ */
d1ecb069 531#ifdef KERNEL
0a7de745 532 struct pf_pooladdr *cur __attribute__((aligned(8)));
d1ecb069 533#else /* !KERNEL */
0a7de745 534 void *cur __attribute__((aligned(8)));
d1ecb069 535#endif /* !KERNEL */
0a7de745
A		 536 struct pf_poolhashkey key __attribute__((aligned(8)));
537 struct pf_addr counter;
538 int tblidx;
539 u_int16_t proxy_port[2];
540 u_int8_t port_op;
541 u_int8_t opts;
542 sa_family_t af;
b0d623f7
A		 543};
544
545
546/* A packed Operating System description for fingerprinting */
547typedef u_int32_t pf_osfp_t;
0a7de745
A		 548#define PF_OSFP_ANY ((pf_osfp_t)0)
549#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1)
550#define PF_OSFP_NOMATCH ((pf_osfp_t)-2)
b0d623f7
A		 551
552struct pf_osfp_entry {
553 SLIST_ENTRY(pf_osfp_entry) fp_entry;
554#if !defined(__LP64__)
0a7de745 555 u_int32_t _pad;
b0d623f7 556#endif /* !__LP64__ */
0a7de745
A		 557 pf_osfp_t fp_os;
558 int fp_enflags;
559#define PF_OSFP_EXPANDED 0x001 /* expanded entry */
560#define PF_OSFP_GENERIC 0x002 /* generic signature */
561#define PF_OSFP_NODETAIL 0x004 /* no p0f details */
562#define PF_OSFP_LEN 32
563 char fp_class_nm[PF_OSFP_LEN];
564 char fp_version_nm[PF_OSFP_LEN];
565 char fp_subtype_nm[PF_OSFP_LEN];
b0d623f7
A		 566};
567#define PF_OSFP_ENTRY_EQ(a, b) \
568 ((a)->fp_os == (b)->fp_os && \
569 memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \
570 memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \
571 memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0)
572
573/* handle pf_osfp_t packing */
0a7de745
A		 574#define _FP_RESERVED_BIT 1 /* For the special negative #defines */
575#define _FP_UNUSED_BITS 1
576#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */
577#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */
578#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */
b0d623f7
A		 579#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \
580 (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \
581 ((1 << _FP_CLASS_BITS) - 1); \
582 (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \
583 ((1 << _FP_VERSION_BITS) - 1);\
584 (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \
585} while (0)
586#define PF_OSFP_PACK(osfp, class, version, subtype) do { \
587 (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \
588 + _FP_SUBTYPE_BITS); \
589 (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \
590 _FP_SUBTYPE_BITS; \
591 (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \
592} while (0)
593
594/* the fingerprint of an OSes TCP SYN packet */
0a7de745 595typedef u_int64_t pf_tcpopts_t;
b0d623f7
A		 596struct pf_os_fingerprint {
597 SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */
0a7de745
A		 598 pf_tcpopts_t fp_tcpopts; /* packed TCP options */
599 u_int16_t fp_wsize; /* TCP window size */
600 u_int16_t fp_psize; /* ip->ip_len */
601 u_int16_t fp_mss; /* TCP MSS */
602 u_int16_t fp_flags;
603#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */
604#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */
605#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */
606#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */
607#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */
608#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */
609#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */
610#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */
611#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */
612#define PF_OSFP_MSS 0x0200 /* TCP MSS */
613#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */
614#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */
615#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */
616#define PF_OSFP_TS0 0x2000 /* Zero timestamp */
617#define PF_OSFP_INET6 0x4000 /* IPv6 */
618 u_int8_t fp_optcnt; /* TCP option count */
619 u_int8_t fp_wscale; /* TCP window scaling */
620 u_int8_t fp_ttl; /* IPv4 TTL */
621#define PF_OSFP_MAXTTL_OFFSET 40
b0d623f7 622/* TCP options packing */
0a7de745
A		 623#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */
624#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */
625#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */
626#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */
627#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */
628#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */
b0d623f7 629#define PF_OSFP_MAX_OPTS \
cb323159
A		 630 ((sizeof(pf_tcpopts_t) * 8) \
631 / PF_OSFP_TCPOPT_BITS)
b0d623f7 632
0a7de745 633 SLIST_ENTRY(pf_os_fingerprint) fp_next;
b0d623f7
A		 634};
635
636struct pf_osfp_ioctl {
0a7de745
A		 637 struct pf_osfp_entry fp_os;
638 pf_tcpopts_t fp_tcpopts; /* packed TCP options */
639 u_int16_t fp_wsize; /* TCP window size */
640 u_int16_t fp_psize; /* ip->ip_len */
641 u_int16_t fp_mss; /* TCP MSS */
642 u_int16_t fp_flags;
643 u_int8_t fp_optcnt; /* TCP option count */
644 u_int8_t fp_wscale; /* TCP window scaling */
645 u_int8_t fp_ttl; /* IPv4 TTL */
b0d623f7 646
0a7de745 647 int fp_getnum; /* DIOCOSFPGET number */
b0d623f7
A		 648};
649
650
651union pf_rule_ptr {
0a7de745
A		 652 struct pf_rule *ptr __attribute__((aligned(8)));
653 u_int32_t nr __attribute__((aligned(8)));
b0d623f7
A		 654} __attribute__((aligned(8)));
655
0a7de745 656#define PF_ANCHOR_NAME_SIZE 64
b0d623f7
A		 657
658struct pf_rule {
0a7de745
A		 659 struct pf_rule_addr src;
660 struct pf_rule_addr dst;
661#define PF_SKIP_IFP 0
662#define PF_SKIP_DIR 1
663#define PF_SKIP_AF 2
664#define PF_SKIP_PROTO 3
665#define PF_SKIP_SRC_ADDR 4
666#define PF_SKIP_SRC_PORT 5
667#define PF_SKIP_DST_ADDR 6
668#define PF_SKIP_DST_PORT 7
669#define PF_SKIP_COUNT 8
670 union pf_rule_ptr skip[PF_SKIP_COUNT];
671#define PF_RULE_LABEL_SIZE 64
672 char label[PF_RULE_LABEL_SIZE];
673#define PF_QNAME_SIZE 64
674 char ifname[IFNAMSIZ];
675 char qname[PF_QNAME_SIZE];
676 char pqname[PF_QNAME_SIZE];
677#define PF_TAG_NAME_SIZE 64
678 char tagname[PF_TAG_NAME_SIZE];
679 char match_tagname[PF_TAG_NAME_SIZE];
680
681 char overload_tblname[PF_TABLE_NAME_SIZE];
682
683 TAILQ_ENTRY(pf_rule) entries;
b0d623f7 684#if !defined(__LP64__)
0a7de745 685 u_int32_t _pad[2];
b0d623f7 686#endif /* !__LP64__ */
0a7de745 687 struct pf_pool rpool;
b0d623f7 688
0a7de745
A		 689 u_int64_t evaluations;
690 u_int64_t packets[2];
691 u_int64_t bytes[2];
b0d623f7 692
0a7de745
A		 693 u_int64_t ticket;
694#define PF_OWNER_NAME_SIZE 64
695 char owner[PF_OWNER_NAME_SIZE];
696 u_int32_t priority;
316670eb 697
d1ecb069 698#ifdef KERNEL
0a7de745 699 struct pfi_kif *kif __attribute__((aligned(8)));
d1ecb069 700#else /* !KERNEL */
0a7de745 701 void *kif __attribute__((aligned(8)));
d1ecb069 702#endif /* !KERNEL */
0a7de745 703 struct pf_anchor *anchor __attribute__((aligned(8)));
d1ecb069 704#ifdef KERNEL
0a7de745 705 struct pfr_ktable *overload_tbl __attribute__((aligned(8)));
d1ecb069 706#else /* !KERNEL */
0a7de745 707 void *overload_tbl __attribute__((aligned(8)));
d1ecb069 708#endif /* !KERNEL */
b0d623f7 709
0a7de745 710 pf_osfp_t os_fingerprint __attribute__((aligned(8)));
b0d623f7 711
0a7de745
A		 712 unsigned int rtableid;
713 u_int32_t timeout[PFTM_MAX];
714 u_int32_t states;
715 u_int32_t max_states;
716 u_int32_t src_nodes;
717 u_int32_t max_src_nodes;
718 u_int32_t max_src_states;
719 u_int32_t max_src_conn;
b0d623f7 720 struct {
0a7de745
A		 721 u_int32_t limit;
722 u_int32_t seconds;
723 } max_src_conn_rate;
724 u_int32_t qid;
725 u_int32_t pqid;
726 u_int32_t rt_listid;
727 u_int32_t nr;
728 u_int32_t prob;
729 uid_t cuid;
730 pid_t cpid;
731
732 u_int16_t return_icmp;
733 u_int16_t return_icmp6;
734 u_int16_t max_mss;
735 u_int16_t tag;
736 u_int16_t match_tag;
737
738 struct pf_rule_uid uid;
739 struct pf_rule_gid gid;
740
741 u_int32_t rule_flag;
742 u_int8_t action;
743 u_int8_t direction;
744 u_int8_t log;
745 u_int8_t logif;
746 u_int8_t quick;
747 u_int8_t ifnot;
748 u_int8_t match_tag_not;
749 u_int8_t natpass;
750
751#define PF_STATE_NORMAL 0x1
752#define PF_STATE_MODULATE 0x2
753#define PF_STATE_SYNPROXY 0x3
754 u_int8_t keep_state;
755 sa_family_t af;
756 u_int8_t proto;
757 u_int8_t type;
758 u_int8_t code;
759 u_int8_t flags;
760 u_int8_t flagset;
761 u_int8_t min_ttl;
762 u_int8_t allow_opts;
763 u_int8_t rt;
764 u_int8_t return_ttl;
316670eb
A		 765
766/* service class categories */
0a7de745
A		 767#define SCIDX_MASK 0x0f
768#define SC_BE 0x10
769#define SC_BK_SYS 0x11
770#define SC_BK 0x12
771#define SC_RD 0x13
772#define SC_OAM 0x14
773#define SC_AV 0x15
774#define SC_RV 0x16
775#define SC_VI 0x17
776#define SC_SIG 0x17
777#define SC_VO 0x18
778#define SC_CTL 0x19
316670eb
A		 779
780/* diffserve code points */
0a7de745
A		 781#define DSCP_MASK 0xfc
782#define DSCP_CUMASK 0x03
783#define DSCP_EF 0xb8
784#define DSCP_AF11 0x28
785#define DSCP_AF12 0x30
786#define DSCP_AF13 0x38
787#define DSCP_AF21 0x48
788#define DSCP_AF22 0x50
789#define DSCP_AF23 0x58
790#define DSCP_AF31 0x68
791#define DSCP_AF32 0x70
792#define DSCP_AF33 0x78
793#define DSCP_AF41 0x88
794#define DSCP_AF42 0x90
795#define DSCP_AF43 0x98
796#define AF_CLASSMASK 0xe0
797#define AF_DROPPRECMASK 0x18
798 u_int8_t tos;
799 u_int8_t anchor_relative;
800 u_int8_t anchor_wildcard;
801
802#define PF_FLUSH 0x01
803#define PF_FLUSH_GLOBAL 0x02
804 u_int8_t flush;
805
806 u_int8_t proto_variant;
807 u_int8_t extfilter; /* Filter mode [PF_EXTFILTER_xxx] */
808 u_int8_t extmap; /* Mapping mode [PF_EXTMAP_xxx] */
316670eb
A		 809 u_int32_t dnpipe;
810 u_int32_t dntype;
b0d623f7
A		 811};
812
316670eb 813/* pf device identifiers */
0a7de745
A		 814#define PFDEV_PF 0
815#define PFDEV_PFM 1
816#define PFDEV_MAX 2
316670eb 817
b0d623f7 818/* rule flags */
0a7de745
A		 819#define PFRULE_DROP 0x0000
820#define PFRULE_RETURNRST 0x0001
821#define PFRULE_FRAGMENT 0x0002
822#define PFRULE_RETURNICMP 0x0004
823#define PFRULE_RETURN 0x0008
824#define PFRULE_NOSYNC 0x0010
825#define PFRULE_SRCTRACK 0x0020 /* track source states */
826#define PFRULE_RULESRCTRACK 0x0040 /* per rule */
b0d623f7
A		 827
828/* scrub flags */
0a7de745
A		 829#define PFRULE_NODF 0x0100
830#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */
831#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */
832#define PFRULE_RANDOMID 0x0800
833#define PFRULE_REASSEMBLE_TCP 0x1000
b0d623f7 834
316670eb 835/* rule flags for TOS/DSCP/service class differentiation */
0a7de745
A		 836#define PFRULE_TOS 0x2000
837#define PFRULE_DSCP 0x4000
838#define PFRULE_SC 0x8000
316670eb 839
b0d623f7 840/* rule flags again */
0a7de745
A		 841#define PFRULE_IFBOUND 0x00010000 /* if-bound */
842#define PFRULE_PFM 0x00020000 /* created by pfm device */
b0d623f7 843
0a7de745
A		 844#define PFSTATE_HIWAT 10000 /* default state table size */
845#define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */
846#define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */
b0d623f7 847
0a7de745 848#define PFAPPSTATE_HIWAT 10000 /* default same as state table */
b0d623f7 849
f427ee49
A		 850/* PF reserved special purpose tags */
851#define PF_TAG_NAME_SYSTEM_SERVICE "com.apple.pf.system_service_tag"
852#define PF_TAG_NAME_STACK_DROP "com.apple.pf.stack_drop_tag"
853
b0d623f7 854enum pf_extmap {
0a7de745
A		 855 PF_EXTMAP_APD = 1, /* Address-port-dependent mapping */
856 PF_EXTMAP_AD, /* Address-dependent mapping */
857 PF_EXTMAP_EI /* Endpoint-independent mapping */
b0d623f7
A		 858};
859
860enum pf_extfilter {
0a7de745
A		 861 PF_EXTFILTER_APD = 1, /* Address-port-dependent filtering */
862 PF_EXTFILTER_AD, /* Address-dependent filtering */
863 PF_EXTFILTER_EI /* Endpoint-independent filtering */
b0d623f7 864};
b0d623f7
A		 865
866struct pf_threshold {
0a7de745
A		 867 u_int32_t limit;
868#define PF_THRESHOLD_MULT 1000
869#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT
870 u_int32_t seconds;
871 u_int32_t count;
872 u_int32_t last;
b0d623f7
A		 873};
874
875struct pf_src_node {
876 RB_ENTRY(pf_src_node) entry;
0a7de745
A		 877 struct pf_addr addr;
878 struct pf_addr raddr;
b0d623f7 879 union pf_rule_ptr rule;
d1ecb069 880#ifdef KERNEL
0a7de745 881 struct pfi_kif *kif;
d1ecb069 882#else /* !KERNEL */
0a7de745 883 void *kif;
d1ecb069 884#endif /* !KERNEL */
0a7de745
A		 885 u_int64_t bytes[2];
886 u_int64_t packets[2];
887 u_int32_t states;
888 u_int32_t conn;
889 struct pf_threshold conn_rate;
890 u_int64_t creation;
891 u_int64_t expire;
892 sa_family_t af;
893 u_int8_t ruletype;
b0d623f7
A		 894};
895
0a7de745 896#define PFSNODE_HIWAT 10000 /* default source node table size */
b0d623f7 897
d1ecb069 898#ifdef KERNEL
b0d623f7 899struct pf_state_scrub {
0a7de745
A		 900 struct timeval pfss_last; /* time received last packet */
901 u_int32_t pfss_tsecr; /* last echoed timestamp */
902 u_int32_t pfss_tsval; /* largest timestamp */
903 u_int32_t pfss_tsval0; /* original timestamp */
904 u_int16_t pfss_flags;
905#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */
906#define PFSS_PAWS 0x0010 /* stricter PAWS checks */
907#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */
908#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */
909#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */
910 u_int8_t pfss_ttl; /* stashed TTL */
911 u_int8_t pad;
912 u_int32_t pfss_ts_mod; /* timestamp modulation */
b0d623f7 913};
d1ecb069 914#endif /* KERNEL */
b0d623f7 915
b0d623f7 916union pf_state_xport {
0a7de745
A		 917 u_int16_t port;
918 u_int16_t call_id;
919 u_int32_t spi;
b0d623f7
A		 920};
921
922struct pf_state_host {
0a7de745
A		 923 struct pf_addr addr;
924 union pf_state_xport xport;
b0d623f7 925};
b0d623f7 926
d1ecb069 927#ifdef KERNEL
b0d623f7 928struct pf_state_peer {
0a7de745
A		 929 u_int32_t seqlo; /* Max sequence number sent */
930 u_int32_t seqhi; /* Max the other end ACKd + win */
931 u_int32_t seqdiff; /* Sequence number modulator */
932 u_int16_t max_win; /* largest window (pre scaling) */
933 u_int8_t state; /* active state level */
934 u_int8_t wscale; /* window scaling factor */
935 u_int16_t mss; /* Maximum segment size option */
936 u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */
937 struct pf_state_scrub *scrub; /* state is scrubbed */
938 u_int8_t pad[3];
b0d623f7
A		 939};
940
941TAILQ_HEAD(pf_state_queue, pf_state);
942
b0d623f7
A		 943struct pf_state;
944struct pf_pdesc;
945struct pf_app_state;
946
947typedef void (*pf_app_handler)(struct pf_state *, int, int, struct pf_pdesc *,
0a7de745 948 struct pfi_kif *);
b0d623f7
A		 949
950typedef int (*pf_app_compare)(struct pf_app_state *, struct pf_app_state *);
951
952struct pf_pptp_state {
953 struct pf_state *grev1_state;
954};
955
d1ecb069
A		 956struct pf_grev1_state {
957 struct pf_state *pptp_state;
958};
959
b0d623f7
A		 960struct pf_ike_state {
961 u_int64_t cookie;
962};
963
964struct pf_app_state {
0a7de745
A		 965 pf_app_handler handler;
966 pf_app_compare compare_lan_ext;
967 pf_app_compare compare_ext_gwy;
b0d623f7
A		 968 union {
969 struct pf_pptp_state pptp;
d1ecb069 970 struct pf_grev1_state grev1;
b0d623f7
A		 971 struct pf_ike_state ike;
972 } u;
973};
b0d623f7
A		 974
975/* keep synced with struct pf_state, used in RB_FIND */
976struct pf_state_key_cmp {
977 struct pf_state_host lan;
978 struct pf_state_host gwy;
3e170ce0
A		 979 struct pf_state_host ext_lan;
980 struct pf_state_host ext_gwy;
0a7de745
A		 981 sa_family_t af_lan;
982 sa_family_t af_gwy;
983 u_int8_t proto;
984 u_int8_t direction;
985 u_int8_t proto_variant;
986 struct pf_app_state *app_state;
b0d623f7
A		 987};
988
989TAILQ_HEAD(pf_statelist, pf_state);
990
991struct pf_state_key {
992 struct pf_state_host lan;
993 struct pf_state_host gwy;
3e170ce0
A		 994 struct pf_state_host ext_lan;
995 struct pf_state_host ext_gwy;
0a7de745
A		 996 sa_family_t af_lan;
997 sa_family_t af_gwy;
998 u_int8_t proto;
999 u_int8_t direction;
1000 u_int8_t proto_variant;
1001 struct pf_app_state *app_state;
1002 u_int32_t flowsrc;
1003 u_int32_t flowhash;
b0d623f7 1004
0a7de745
A		 1005 RB_ENTRY(pf_state_key) entry_lan_ext;
1006 RB_ENTRY(pf_state_key) entry_ext_gwy;
1007 struct pf_statelist states;
1008 u_int32_t refcnt;
b0d623f7
A		 1009};
1010
1011
1012/* keep synced with struct pf_state, used in RB_FIND */
1013struct pf_state_cmp {
0a7de745
A		 1014 u_int64_t id;
1015 u_int32_t creatorid;
1016 u_int32_t pad;
b0d623f7 1017};
316670eb
A		 1018
1019/* flowhash key (12-bytes multiple for performance) */
1020struct pf_flowhash_key {
0a7de745
A		 1021 struct pf_state_host ap1; /* address+port blob 1 */
1022 struct pf_state_host ap2; /* address+port blob 2 */
1023 u_int32_t af;
1024 u_int32_t proto;
316670eb 1025};
d1ecb069 1026#endif /* KERNEL */
b0d623f7
A		 1027
1028struct hook_desc;
1029TAILQ_HEAD(hook_desc_head, hook_desc);
1030
d1ecb069 1031#ifdef KERNEL
b0d623f7 1032struct pf_state {
0a7de745
A		 1033 u_int64_t id;
1034 u_int32_t creatorid;
1035 u_int32_t pad;
1036
1037 TAILQ_ENTRY(pf_state) entry_list;
1038 TAILQ_ENTRY(pf_state) next;
1039 RB_ENTRY(pf_state) entry_id;
1040 struct pf_state_peer src;
1041 struct pf_state_peer dst;
1042 union pf_rule_ptr rule;
1043 union pf_rule_ptr anchor;
1044 union pf_rule_ptr nat_rule;
1045 struct pf_addr rt_addr;
1046 struct hook_desc_head unlink_hooks;
1047 struct pf_state_key *state_key;
1048 struct pfi_kif *kif;
1049 struct pfi_kif *rt_kif;
1050 struct pf_src_node *src_node;
1051 struct pf_src_node *nat_src_node;
1052 u_int64_t packets[2];
1053 u_int64_t bytes[2];
1054 u_int64_t creation;
1055 u_int64_t expire;
1056 u_int64_t pfsync_time;
1057 u_int16_t tag;
1058 u_int8_t log;
1059 u_int8_t allow_opts;
1060 u_int8_t timeout;
1061 u_int8_t sync_flags;
d1ecb069
A		 1062};
1063#endif /* KERNEL */
1064
0a7de745
A		 1065#define PFSTATE_NOSYNC 0x01
1066#define PFSTATE_FROMSYNC 0x02
1067#define PFSTATE_STALE 0x04
b0d623f7 1068
0a7de745 1069#define __packed __attribute__((__packed__))
b0d623f7
A		 1070
1071/*
1072 * Unified state structures for pulling states out of the kernel
1073 * used by pfsync(4) and the pf(4) ioctl.
1074 */
1075struct pfsync_state_scrub {
0a7de745
A		 1076 u_int16_t pfss_flags;
1077 u_int8_t pfss_ttl; /* stashed TTL */
1078#define PFSYNC_SCRUB_FLAG_VALID 0x01
1079 u_int8_t scrub_flag;
1080 u_int32_t pfss_ts_mod; /* timestamp modulation */
b0d623f7
A		 1081} __packed;
1082
1083struct pfsync_state_host {
0a7de745
A		 1084 struct pf_addr addr;
1085 union pf_state_xport xport;
1086 u_int16_t pad[2];
b0d623f7
A		 1087} __packed;
1088
1089struct pfsync_state_peer {
0a7de745
A		 1090 struct pfsync_state_scrub scrub; /* state is scrubbed */
1091 u_int32_t seqlo; /* Max sequence number sent */
1092 u_int32_t seqhi; /* Max the other end ACKd + win */
1093 u_int32_t seqdiff; /* Sequence number modulator */
1094 u_int16_t max_win; /* largest window (pre scaling) */
1095 u_int16_t mss; /* Maximum segment size option */
1096 u_int8_t state; /* active state level */
1097 u_int8_t wscale; /* window scaling factor */
1098 u_int8_t pad[6];
b0d623f7
A		 1099} __packed;
1100
1101struct pfsync_state {
0a7de745
A		 1102 u_int32_t id[2];
1103 char ifname[IFNAMSIZ];
b0d623f7
A		 1104 struct pfsync_state_host lan;
1105 struct pfsync_state_host gwy;
3e170ce0
A		 1106 struct pfsync_state_host ext_lan;
1107 struct pfsync_state_host ext_gwy;
b0d623f7
A		 1108 struct pfsync_state_peer src;
1109 struct pfsync_state_peer dst;
0a7de745 1110 struct pf_addr rt_addr;
b0d623f7
A		 1111 struct hook_desc_head unlink_hooks;
1112#if !defined(__LP64__)
0a7de745 1113 u_int32_t _pad[2];
b0d623f7 1114#endif /* !__LP64__ */
0a7de745
A		 1115 u_int32_t rule;
1116 u_int32_t anchor;
1117 u_int32_t nat_rule;
1118 u_int64_t creation;
1119 u_int64_t expire;
1120 u_int32_t packets[2][2];
1121 u_int32_t bytes[2][2];
1122 u_int32_t creatorid;
1123 u_int16_t tag;
1124 sa_family_t af_lan;
1125 sa_family_t af_gwy;
1126 u_int8_t proto;
1127 u_int8_t direction;
1128 u_int8_t log;
1129 u_int8_t allow_opts;
1130 u_int8_t timeout;
1131 u_int8_t sync_flags;
1132 u_int8_t updates;
1133 u_int8_t proto_variant;
1134 u_int8_t __pad;
1135 u_int32_t flowhash;
b0d623f7
A		 1136} __packed;
1137
0a7de745
A		 1138#define PFSYNC_FLAG_COMPRESS 0x01
1139#define PFSYNC_FLAG_STALE 0x02
1140#define PFSYNC_FLAG_SRCNODE 0x04
1141#define PFSYNC_FLAG_NATSRCNODE 0x08
b0d623f7 1142
d1ecb069 1143#ifdef KERNEL
b0d623f7 1144/* for copies to/from userland via pf_ioctl() */
0a7de745
A		 1145#define pf_state_peer_to_pfsync(s, d) do { \
1146 (d)->seqlo = (s)->seqlo; \
1147 (d)->seqhi = (s)->seqhi; \
1148 (d)->seqdiff = (s)->seqdiff; \
1149 (d)->max_win = (s)->max_win; \
1150 (d)->mss = (s)->mss; \
1151 (d)->state = (s)->state; \
1152 (d)->wscale = (s)->wscale; \
1153 if ((s)->scrub) { \
1154 (d)->scrub.pfss_flags = \
1155 (s)->scrub->pfss_flags & PFSS_TIMESTAMP; \
1156 (d)->scrub.pfss_ttl = (s)->scrub->pfss_ttl; \
1157 (d)->scrub.pfss_ts_mod = (s)->scrub->pfss_ts_mod; \
1158 (d)->scrub.scrub_flag = PFSYNC_SCRUB_FLAG_VALID; \
1159 } \
b0d623f7
A		 1160} while (0)
1161
0a7de745
A		 1162#define pf_state_peer_from_pfsync(s, d) do { \
1163 (d)->seqlo = (s)->seqlo; \
1164 (d)->seqhi = (s)->seqhi; \
1165 (d)->seqdiff = (s)->seqdiff; \
1166 (d)->max_win = (s)->max_win; \
1167 (d)->mss = ntohs((s)->mss); \
1168 (d)->state = (s)->state; \
1169 (d)->wscale = (s)->wscale; \
1170 if ((s)->scrub.scrub_flag == PFSYNC_SCRUB_FLAG_VALID && \
1171 (d)->scrub != NULL) { \
1172 (d)->scrub->pfss_flags = \
1173 ntohs((s)->scrub.pfss_flags) & PFSS_TIMESTAMP; \
1174 (d)->scrub->pfss_ttl = (s)->scrub.pfss_ttl; \
1175 (d)->scrub->pfss_ts_mod = (s)->scrub.pfss_ts_mod; \
1176 } \
b0d623f7 1177} while (0)
d1ecb069 1178#endif /* KERNEL */
b0d623f7 1179
0a7de745
A		 1180#define pf_state_counter_to_pfsync(s, d) do { \
1181 d[0] = (s>>32)&0xffffffff; \
1182 d[1] = s&0xffffffff; \
b0d623f7
A		 1183} while (0)
1184
0a7de745 1185#define pf_state_counter_from_pfsync(s) \
b0d623f7
A		 1186 (((u_int64_t)(s[0])<<32) | (u_int64_t)(s[1]))
1187
1188
1189
1190TAILQ_HEAD(pf_rulequeue, pf_rule);
1191
1192struct pf_anchor;
1193
1194struct pf_ruleset {
1195 struct {
0a7de745 1196 struct pf_rulequeue queues[2];
b0d623f7 1197 struct {
0a7de745
A		 1198 struct pf_rulequeue *ptr;
1199 struct pf_rule **ptr_array;
1200 u_int32_t rcount;
1201 u_int32_t ticket;
1202 int open;
1203 } active, inactive;
1204 } rules[PF_RULESET_MAX];
1205 struct pf_anchor *anchor;
1206 u_int32_t tticket;
1207 int tables;
1208 int topen;
b0d623f7
A		 1209};
1210
1211RB_HEAD(pf_anchor_global, pf_anchor);
1212RB_HEAD(pf_anchor_node, pf_anchor);
1213struct pf_anchor {
0a7de745
A		 1214 RB_ENTRY(pf_anchor) entry_global;
1215 RB_ENTRY(pf_anchor) entry_node;
1216 struct pf_anchor *parent;
1217 struct pf_anchor_node children;
1218 char name[PF_ANCHOR_NAME_SIZE];
1219 char path[MAXPATHLEN];
1220 struct pf_ruleset ruleset;
1221 int refcnt; /* anchor rules */
1222 int match;
1223 char owner[PF_OWNER_NAME_SIZE];
b0d623f7
A		 1224};
1225#ifdef KERNEL
1226RB_PROTOTYPE_SC(__private_extern__, pf_anchor_global, pf_anchor, entry_global,
1227 pf_anchor_compare);
1228RB_PROTOTYPE_SC(__private_extern__, pf_anchor_node, pf_anchor, entry_node,
1229 pf_anchor_compare);
1230#else /* !KERNEL */
1231RB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare);
1232RB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare);
1233#endif /* !KERNEL */
1234
0a7de745 1235#define PF_RESERVED_ANCHOR "_pf"
b0d623f7 1236
0a7de745
A		 1237#define PFR_TFLAG_PERSIST 0x00000001
1238#define PFR_TFLAG_CONST 0x00000002
1239#define PFR_TFLAG_ACTIVE 0x00000004
1240#define PFR_TFLAG_INACTIVE 0x00000008
1241#define PFR_TFLAG_REFERENCED 0x00000010
1242#define PFR_TFLAG_REFDANCHOR 0x00000020
1243#define PFR_TFLAG_USRMASK 0x00000003
1244#define PFR_TFLAG_SETMASK 0x0000003C
1245#define PFR_TFLAG_ALLMASK 0x0000003F
b0d623f7
A		 1246
1247struct pfr_table {
0a7de745
A		 1248 char pfrt_anchor[MAXPATHLEN];
1249 char pfrt_name[PF_TABLE_NAME_SIZE];
f427ee49
A		 1250 uint32_t pfrt_flags;
1251 uint8_t pfrt_fback;
b0d623f7
A		 1252};
1253
1254enum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED,
0a7de745
A		 1255 PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE,
1256 PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX };
b0d623f7
A		 1257
1258struct pfr_addr {
1259 union {
0a7de745
A		 1260 struct in_addr _pfra_ip4addr;
1261 struct in6_addr _pfra_ip6addr;
1262 } pfra_u;
f427ee49
A		 1263 uint8_t pfra_af;
1264 uint8_t pfra_net;
1265 uint8_t pfra_not;
1266 uint8_t pfra_fback;
b0d623f7 1267};
0a7de745
A		 1268#define pfra_ip4addr pfra_u._pfra_ip4addr
1269#define pfra_ip6addr pfra_u._pfra_ip6addr
b0d623f7
A		 1270
1271enum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX };
1272enum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX };
0a7de745 1273#define PFR_OP_XPASS PFR_OP_ADDR_MAX
b0d623f7
A		 1274
1275struct pfr_astats {
0a7de745 1276 struct pfr_addr pfras_a;
d1ecb069 1277#if !defined(__LP64__)
f427ee49 1278 uint32_t _pad;
d1ecb069 1279#endif /* !__LP64__ */
f427ee49
A		 1280 uint64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
1281 uint64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
1282 uint64_t pfras_tzero;
b0d623f7
A		 1283};
1284
1285enum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX };
1286
1287struct pfr_tstats {
1288 struct pfr_table pfrts_t;
0a7de745
A		 1289 u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
1290 u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
1291 u_int64_t pfrts_match;
1292 u_int64_t pfrts_nomatch;
1293 u_int64_t pfrts_tzero;
1294 int pfrts_cnt;
1295 int pfrts_refcnt[PFR_REFCNT_MAX];
d1ecb069 1296#if !defined(__LP64__)
0a7de745 1297 u_int32_t _pad;
d1ecb069 1298#endif /* !__LP64__ */
b0d623f7 1299};
0a7de745
A		 1300#define pfrts_name pfrts_t.pfrt_name
1301#define pfrts_flags pfrts_t.pfrt_flags
b0d623f7 1302
d1ecb069 1303#ifdef KERNEL
b0d623f7
A		 1304SLIST_HEAD(pfr_kentryworkq, pfr_kentry);
1305struct pfr_kentry {
0a7de745
A		 1306 struct radix_node pfrke_node[2];
1307 union sockaddr_union pfrke_sa;
1308 u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
1309 u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
1310 SLIST_ENTRY(pfr_kentry) pfrke_workq;
1311 u_int64_t pfrke_tzero;
1312 u_int8_t pfrke_af;
1313 u_int8_t pfrke_net;
1314 u_int8_t pfrke_not;
1315 u_int8_t pfrke_mark;
1316 u_int8_t pfrke_intrpool;
b0d623f7
A		 1317};
1318
1319SLIST_HEAD(pfr_ktableworkq, pfr_ktable);
1320RB_HEAD(pfr_ktablehead, pfr_ktable);
1321struct pfr_ktable {
0a7de745
A		 1322 struct pfr_tstats pfrkt_ts;
1323 RB_ENTRY(pfr_ktable) pfrkt_tree;
1324 SLIST_ENTRY(pfr_ktable) pfrkt_workq;
1325 struct radix_node_head *pfrkt_ip4;
1326 struct radix_node_head *pfrkt_ip6;
1327 struct pfr_ktable *pfrkt_shadow;
1328 struct pfr_ktable *pfrkt_root;
1329 struct pf_ruleset *pfrkt_rs;
1330 u_int64_t pfrkt_larg;
1331 u_int32_t pfrkt_nflags;
1332};
1333#define pfrkt_t pfrkt_ts.pfrts_t
1334#define pfrkt_name pfrkt_t.pfrt_name
1335#define pfrkt_anchor pfrkt_t.pfrt_anchor
1336#define pfrkt_ruleset pfrkt_t.pfrt_ruleset
1337#define pfrkt_flags pfrkt_t.pfrt_flags
1338#define pfrkt_cnt pfrkt_ts.pfrts_cnt
1339#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt
1340#define pfrkt_packets pfrkt_ts.pfrts_packets
1341#define pfrkt_bytes pfrkt_ts.pfrts_bytes
1342#define pfrkt_match pfrkt_ts.pfrts_match
1343#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch
1344#define pfrkt_tzero pfrkt_ts.pfrts_tzero
b0d623f7
A		 1345
1346RB_HEAD(pf_state_tree_lan_ext, pf_state_key);
b0d623f7
A		 1347RB_PROTOTYPE_SC(__private_extern__, pf_state_tree_lan_ext, pf_state_key,
1348 entry_lan_ext, pf_state_compare_lan_ext);
b0d623f7
A		 1349
1350RB_HEAD(pf_state_tree_ext_gwy, pf_state_key);
b0d623f7
A		 1351RB_PROTOTYPE_SC(__private_extern__, pf_state_tree_ext_gwy, pf_state_key,
1352 entry_ext_gwy, pf_state_compare_ext_gwy);
b0d623f7
A		 1353
1354RB_HEAD(pfi_ifhead, pfi_kif);
1355
1356/* state tables */
0a7de745
A		 1357extern struct pf_state_tree_lan_ext pf_statetbl_lan_ext;
1358extern struct pf_state_tree_ext_gwy pf_statetbl_ext_gwy;
b0d623f7 1359
b0d623f7 1360struct pfi_kif {
0a7de745
A		 1361 char pfik_name[IFNAMSIZ];
1362 RB_ENTRY(pfi_kif) pfik_tree;
1363 u_int64_t pfik_packets[2][2][2];
1364 u_int64_t pfik_bytes[2][2][2];
1365 u_int64_t pfik_tzero;
1366 int pfik_flags;
1367 void *pfik_ah_cookie;
1368 struct ifnet *pfik_ifp;
1369 int pfik_states;
1370 int pfik_rules;
1371 TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs;
b0d623f7
A		 1372};
1373
1374enum pfi_kif_refs {
1375 PFI_KIF_REF_NONE,
1376 PFI_KIF_REF_STATE,
1377 PFI_KIF_REF_RULE
1378};
1379
d1ecb069
A		 1380struct pfi_uif {
1381#else /* !KERNEL */
1382struct pfi_kif {
1383#endif /* !KERNEL */
0a7de745
A		 1384 char pfik_name[IFNAMSIZ];
1385 u_int64_t pfik_packets[2][2][2];
1386 u_int64_t pfik_bytes[2][2][2];
1387 u_int64_t pfik_tzero;
1388 int pfik_flags;
1389 int pfik_states;
1390 int pfik_rules;
d1ecb069 1391#if !defined(__LP64__)
0a7de745 1392 u_int32_t _pad;
d1ecb069
A		 1393#endif /* !__LP64__ */
1394};
1395
0a7de745 1396#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */
b0d623f7
A		 1397
1398#ifdef KERNEL
1399struct pf_pdesc {
1400 struct {
0a7de745
A		 1401 int done;
1402 uid_t uid;
1403 gid_t gid;
1404 pid_t pid;
1405 } lookup;
1406 u_int64_t tot_len; /* Make Mickey money */
b0d623f7 1407 union {
0a7de745
A		 1408 struct tcphdr *tcp;
1409 struct udphdr *udp;
1410 struct icmp *icmp;
0a7de745 1411 struct icmp6_hdr *icmp6;
0a7de745
A		 1412 struct pf_grev1_hdr *grev1;
1413 struct pf_esp_hdr *esp;
1414 void *any;
b0d623f7 1415 } hdr;
3e170ce0
A		 1416
1417 /* XXX TODO: Change baddr and naddr to *saddr */
0a7de745
A		 1418 struct pf_addr baddr; /* src address before translation */
1419 struct pf_addr bdaddr; /* dst address before translation */
1420 struct pf_addr naddr; /* src address after translation */
1421 struct pf_addr ndaddr; /* dst address after translation */
1422 struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */
1423 struct pf_addr *src;
1424 struct pf_addr *dst;
cb323159 1425 struct ether_header *eh;
0a7de745
A		 1426 pbuf_t *mp;
1427 int lmw; /* lazy writable offset */
1428 struct pf_mtag *pf_mtag;
1429 u_int16_t *ip_sum;
1430 u_int32_t off; /* protocol header offset */
1431 u_int32_t hdrlen; /* protocol header length */
1432 u_int32_t p_len; /* total length of payload */
1433 u_int16_t flags; /* Let SCRUB trigger behavior in */
1434 /* state code. Easier than tags */
1435#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
1436#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */
1437#define PFDESC_IP_FRAG 0x0004 /* This is a fragment */
1438 sa_family_t af;
1439 sa_family_t naf; /* address family after translation */
1440 u_int8_t proto;
1441 u_int8_t tos;
1442 u_int8_t ttl;
1443 u_int8_t proto_variant;
1444 mbuf_svc_class_t sc; /* mbuf service class (MBUF_SVC) */
1445 u_int32_t pktflags; /* mbuf packet flags (PKTF) */
1446 u_int32_t flowsrc; /* flow source (FLOWSRC) */
1447 u_int32_t flowhash; /* flow hash to identify the sender */
b0d623f7
A		 1448};
1449#endif /* KERNEL */
1450
1451/* flags for RDR options */
0a7de745
A		 1452#define PF_DPORT_RANGE 0x01 /* Dest port uses range */
1453#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */
b0d623f7
A		 1454
1455/* Reasons code for passing/dropping a packet */
0a7de745
A		 1456#define PFRES_MATCH 0 /* Explicit match of a rule */
1457#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */
1458#define PFRES_FRAG 2 /* Dropping following fragment */
1459#define PFRES_SHORT 3 /* Dropping short packet */
1460#define PFRES_NORM 4 /* Dropping by normalizer */
1461#define PFRES_MEMORY 5 /* Dropped due to lacking mem */
1462#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */
1463#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */
1464#define PFRES_IPOPTIONS 8 /* IP option */
1465#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */
1466#define PFRES_BADSTATE 10 /* State mismatch */
1467#define PFRES_STATEINS 11 /* State insertion failure */
1468#define PFRES_MAXSTATES 12 /* State limit */
1469#define PFRES_SRCLIMIT 13 /* Source node/conn limit */
1470#define PFRES_SYNPROXY 14 /* SYN proxy */
1471#define PFRES_DUMMYNET 15 /* Dummynet */
1472#define PFRES_MAX 16 /* total+1 */
b0d623f7
A		 1473
1474#define PFRES_NAMES { \
1475 "match", \
1476 "bad-offset", \
1477 "fragment", \
1478 "short", \
1479 "normalize", \
1480 "memory", \
1481 "bad-timestamp", \
1482 "congestion", \
1483 "ip-option", \
1484 "proto-cksum", \
1485 "state-mismatch", \
1486 "state-insert", \
1487 "state-limit", \
1488 "src-limit", \
1489 "synproxy", \
316670eb 1490 "dummynet", \
b0d623f7
A		 1491 NULL \
1492}
1493
1494/* Counters for other things we want to keep track of */
0a7de745
A		 1495#define LCNT_STATES 0 /* states */
1496#define LCNT_SRCSTATES 1 /* max-src-states */
1497#define LCNT_SRCNODES 2 /* max-src-nodes */
1498#define LCNT_SRCCONN 3 /* max-src-conn */
1499#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */
1500#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */
1501#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */
1502#define LCNT_MAX 7 /* total+1 */
b0d623f7
A		 1503
1504#define LCNT_NAMES { \
1505 "max states per rule", \
1506 "max-src-states", \
1507 "max-src-nodes", \
1508 "max-src-conn", \
1509 "max-src-conn-rate", \
1510 "overload table insertion", \
1511 "overload flush states", \
1512 NULL \
1513}
1514
1515/* UDP state enumeration */
0a7de745
A		 1516#define PFUDPS_NO_TRAFFIC 0
1517#define PFUDPS_SINGLE 1
1518#define PFUDPS_MULTIPLE 2
b0d623f7 1519
0a7de745 1520#define PFUDPS_NSTATES 3 /* number of state levels */
b0d623f7
A		 1521
1522#define PFUDPS_NAMES { \
1523 "NO_TRAFFIC", \
1524 "SINGLE", \
1525 "MULTIPLE", \
1526 NULL \
1527}
1528
b0d623f7 1529/* GREv1 protocol state enumeration */
0a7de745
A		 1530#define PFGRE1S_NO_TRAFFIC 0
1531#define PFGRE1S_INITIATING 1
1532#define PFGRE1S_ESTABLISHED 2
b0d623f7 1533
0a7de745 1534#define PFGRE1S_NSTATES 3 /* number of state levels */
b0d623f7
A		 1535
1536#define PFGRE1S_NAMES { \
1537 "NO_TRAFFIC", \
1538 "INITIATING", \
1539 "ESTABLISHED", \
1540 NULL \
1541}
1542
0a7de745
A		 1543#define PFESPS_NO_TRAFFIC 0
1544#define PFESPS_INITIATING 1
1545#define PFESPS_ESTABLISHED 2
b0d623f7 1546
0a7de745 1547#define PFESPS_NSTATES 3 /* number of state levels */
b0d623f7
A		 1548
1549#define PFESPS_NAMES { "NO_TRAFFIC", "INITIATING", "ESTABLISHED", NULL }
b0d623f7
A		 1550
1551/* Other protocol state enumeration */
0a7de745
A		 1552#define PFOTHERS_NO_TRAFFIC 0
1553#define PFOTHERS_SINGLE 1
1554#define PFOTHERS_MULTIPLE 2
b0d623f7 1555
0a7de745 1556#define PFOTHERS_NSTATES 3 /* number of state levels */
b0d623f7
A		 1557
1558#define PFOTHERS_NAMES { \
1559 "NO_TRAFFIC", \
1560 "SINGLE", \
1561 "MULTIPLE", \
1562 NULL \
1563}
1564
0a7de745
A		 1565#define FCNT_STATE_SEARCH 0
1566#define FCNT_STATE_INSERT 1
1567#define FCNT_STATE_REMOVALS 2
1568#define FCNT_MAX 3
b0d623f7 1569
0a7de745
A		 1570#define SCNT_SRC_NODE_SEARCH 0
1571#define SCNT_SRC_NODE_INSERT 1
1572#define SCNT_SRC_NODE_REMOVALS 2
1573#define SCNT_MAX 3
b0d623f7 1574
d1ecb069 1575#ifdef KERNEL
b0d623f7
A		 1576#define ACTION_SET(a, x) \
1577 do { \
0a7de745
A		 1578 if ((a) != NULL) \
1579 *(a) = (x); \
b0d623f7
A		 1580 } while (0)
1581
1582#define REASON_SET(a, x) \
1583 do { \
0a7de745
A		 1584 if ((a) != NULL) \
1585 *(a) = (x); \
1586 if (x < PFRES_MAX) \
1587 pf_status.counters[x]++; \
b0d623f7 1588 } while (0)
d1ecb069 1589#endif /* KERNEL */
b0d623f7
A		 1590
1591struct pf_status {
0a7de745
A		 1592 u_int64_t counters[PFRES_MAX];
1593 u_int64_t lcounters[LCNT_MAX]; /* limit counters */
1594 u_int64_t fcounters[FCNT_MAX];
1595 u_int64_t scounters[SCNT_MAX];
1596 u_int64_t pcounters[2][2][3];
1597 u_int64_t bcounters[2][2];
1598 u_int64_t stateid;
1599 u_int32_t running;
1600 u_int32_t states;
1601 u_int32_t src_nodes;
1602 u_int64_t since __attribute__((aligned(8)));
1603 u_int32_t debug;
1604 u_int32_t hostid;
1605 char ifname[IFNAMSIZ];
1606 u_int8_t pf_chksum[PF_MD5_DIGEST_LENGTH];
b0d623f7
A		 1607};
1608
1609struct cbq_opts {
0a7de745
A		 1610 u_int32_t minburst;
1611 u_int32_t maxburst;
1612 u_int32_t pktsize;
1613 u_int32_t maxpktsize;
1614 u_int32_t ns_per_byte;
1615 u_int32_t maxidle;
1616 int32_t minidle;
1617 u_int32_t offtime;
1618 u_int32_t flags;
b0d623f7
A		 1619};
1620
1621struct priq_opts {
0a7de745 1622 u_int32_t flags;
316670eb
A		 1623};
1624
b0d623f7
A		 1625struct hfsc_opts {
1626 /* real-time service curve */
0a7de745
A		 1627 u_int64_t rtsc_m1; /* slope of the 1st segment in bps */
1628 u_int64_t rtsc_d; /* the x-projection of m1 in msec */
1629 u_int64_t rtsc_m2; /* slope of the 2nd segment in bps */
1630 u_int32_t rtsc_fl; /* service curve flags */
316670eb 1631#if !defined(__LP64__)
0a7de745 1632 u_int32_t _pad;
316670eb 1633#endif /* !__LP64__ */
b0d623f7 1634 /* link-sharing service curve */
0a7de745
A		 1635 u_int64_t lssc_m1;
1636 u_int64_t lssc_d;
1637 u_int64_t lssc_m2;
1638 u_int32_t lssc_fl;
316670eb 1639#if !defined(__LP64__)
0a7de745 1640 u_int32_t __pad;
316670eb 1641#endif /* !__LP64__ */
b0d623f7 1642 /* upper-limit service curve */
0a7de745
A		 1643 u_int64_t ulsc_m1;
1644 u_int64_t ulsc_d;
1645 u_int64_t ulsc_m2;
1646 u_int32_t ulsc_fl;
1647 u_int32_t flags; /* scheduler flags */
b0d623f7
A		 1648};
1649
316670eb 1650struct fairq_opts {
0a7de745
A		 1651 u_int32_t nbuckets; /* hash buckets */
1652 u_int32_t flags;
1653 u_int64_t hogs_m1; /* hog detection bandwidth */
316670eb
A		 1654
1655 /* link-sharing service curve */
0a7de745
A		 1656 u_int64_t lssc_m1;
1657 u_int64_t lssc_d;
1658 u_int64_t lssc_m2;
316670eb
A		 1659};
1660
1661/* bandwidth types */
0a7de745
A		 1662#define PF_ALTQ_BW_ABSOLUTE 1 /* bw in absolute value (bps) */
1663#define PF_ALTQ_BW_PERCENT 2 /* bandwidth in percentage */
316670eb
A		 1664
1665/* ALTQ rule flags */
0a7de745 1666#define PF_ALTQF_TBR 0x1 /* enable Token Bucket Regulator */
316670eb
A		 1667
1668/* queue rule flags */
0a7de745 1669#define PF_ALTQ_QRF_WEIGHT 0x1 /* weight instead of priority */
316670eb 1670
b0d623f7 1671struct pf_altq {
0a7de745 1672 char ifname[IFNAMSIZ];
b0d623f7 1673
316670eb 1674 /* discipline-specific state */
0a7de745
A		 1675 void *altq_disc __attribute__((aligned(8)));
1676 TAILQ_ENTRY(pf_altq) entries __attribute__((aligned(8)));
b0d623f7 1677#if !defined(__LP64__)
0a7de745 1678 u_int32_t _pad[2];
b0d623f7
A		 1679#endif /* !__LP64__ */
1680
0a7de745
A		 1681 u_int32_t aflags; /* ALTQ rule flags */
1682 u_int32_t bwtype; /* bandwidth type */
316670eb 1683
b0d623f7 1684 /* scheduler spec */
0a7de745
A		 1685 u_int32_t scheduler; /* scheduler type */
1686 u_int32_t tbrsize; /* tokenbucket regulator size */
1687 u_int64_t ifbandwidth; /* interface bandwidth */
b0d623f7
A		 1688
1689 /* queue spec */
0a7de745
A		 1690 char qname[PF_QNAME_SIZE]; /* queue name */
1691 char parent[PF_QNAME_SIZE]; /* parent name */
1692 u_int32_t parent_qid; /* parent queue id */
1693 u_int32_t qrflags; /* queue rule flags */
316670eb 1694 union {
0a7de745
A		 1695 u_int32_t priority; /* priority */
1696 u_int32_t weight; /* weight */
316670eb 1697 };
0a7de745
A		 1698 u_int32_t qlimit; /* queue size limit */
1699 u_int32_t flags; /* misc flags */
316670eb 1700#if !defined(__LP64__)
0a7de745 1701 u_int32_t __pad;
316670eb 1702#endif /* !__LP64__ */
0a7de745 1703 u_int64_t bandwidth; /* queue bandwidth */
b0d623f7 1704 union {
0a7de745
A		 1705 struct cbq_opts cbq_opts;
1706 struct priq_opts priq_opts;
1707 struct hfsc_opts hfsc_opts;
1708 struct fairq_opts fairq_opts;
b0d623f7
A		 1709 } pq_u;
1710
0a7de745 1711 u_int32_t qid; /* return value */
b0d623f7
A		 1712};
1713
1714struct pf_tagname {
0a7de745
A		 1715 TAILQ_ENTRY(pf_tagname) entries;
1716 char name[PF_TAG_NAME_SIZE];
1717 u_int16_t tag;
1718 int ref;
b0d623f7
A		 1719};
1720
0a7de745
A		 1721#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */
1722#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */
1723#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */
1724#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */
b0d623f7 1725
0a7de745
A		 1726#define PFR_KTABLE_HIWAT 1000 /* Number of tables */
1727#define PFR_KENTRY_HIWAT 200000 /* Number of table entries */
1728#define PFR_KENTRY_HIWAT_SMALL 100000 /* Number of table entries (tiny hosts) */
b0d623f7
A		 1729
1730/*
1731 * ioctl parameter structures
1732 */
1733
1734struct pfioc_pooladdr {
0a7de745
A		 1735 u_int32_t action;
1736 u_int32_t ticket;
1737 u_int32_t nr;
1738 u_int32_t r_num;
1739 u_int8_t r_action;
1740 u_int8_t r_last;
1741 u_int8_t af;
1742 char anchor[MAXPATHLEN];
1743 struct pf_pooladdr addr;
b0d623f7
A		 1744};
1745
1746struct pfioc_rule {
0a7de745
A		 1747 u_int32_t action;
1748 u_int32_t ticket;
1749 u_int32_t pool_ticket;
1750 u_int32_t nr;
1751 char anchor[MAXPATHLEN];
1752 char anchor_call[MAXPATHLEN];
1753 struct pf_rule rule;
b0d623f7
A		 1754};
1755
1756struct pfioc_natlook {
0a7de745
A		 1757 struct pf_addr saddr;
1758 struct pf_addr daddr;
1759 struct pf_addr rsaddr;
1760 struct pf_addr rdaddr;
1761 union pf_state_xport sxport;
1762 union pf_state_xport dxport;
1763 union pf_state_xport rsxport;
1764 union pf_state_xport rdxport;
1765 sa_family_t af;
1766 u_int8_t proto;
1767 u_int8_t proto_variant;
1768 u_int8_t direction;
b0d623f7
A		 1769};
1770
1771struct pfioc_state {
0a7de745 1772 struct pfsync_state state;
b0d623f7
A		 1773};
1774
1775struct pfioc_src_node_kill {
1776 /* XXX returns the number of src nodes killed in psnk_af */
1777 sa_family_t psnk_af;
1778 struct pf_rule_addr psnk_src;
1779 struct pf_rule_addr psnk_dst;
1780};
1781
b0d623f7 1782struct pfioc_state_addr_kill {
0a7de745
A		 1783 struct pf_addr_wrap addr;
1784 u_int8_t reserved_[3];
1785 u_int8_t neg;
1786 union pf_rule_xport xport;
b0d623f7 1787};
b0d623f7
A		 1788
1789struct pfioc_state_kill {
1790 /* XXX returns the number of states killed in psk_af */
0a7de745
A		 1791 sa_family_t psk_af;
1792 u_int8_t psk_proto;
1793 u_int8_t psk_proto_variant;
1794 u_int8_t _pad;
1795 struct pfioc_state_addr_kill psk_src;
1796 struct pfioc_state_addr_kill psk_dst;
1797 char psk_ifname[IFNAMSIZ];
1798 char psk_ownername[PF_OWNER_NAME_SIZE];
b0d623f7
A		 1799};
1800
1801struct pfioc_states {
0a7de745 1802 int ps_len;
b0d623f7 1803 union {
0a7de745
A		 1804 caddr_t psu_buf;
1805 struct pfsync_state *psu_states;
b0d623f7 1806 } ps_u __attribute__((aligned(8)));
0a7de745
A		 1807#define ps_buf ps_u.psu_buf
1808#define ps_states ps_u.psu_states
b0d623f7
A		 1809};
1810
d1ecb069
A		 1811#ifdef KERNEL
1812struct pfioc_states_32 {
0a7de745 1813 int ps_len;
d1ecb069 1814 union {
0a7de745
A		 1815 user32_addr_t psu_buf;
1816 user32_addr_t psu_states;
d1ecb069
A		 1817 } ps_u __attribute__((aligned(8)));
1818};
1819
1820struct pfioc_states_64 {
0a7de745 1821 int ps_len;
d1ecb069 1822 union {
0a7de745
A		 1823 user64_addr_t psu_buf;
1824 user64_addr_t psu_states;
d1ecb069
A		 1825 } ps_u __attribute__((aligned(8)));
1826};
1827#endif /* KERNEL */
1828
6d2010ae
A		 1829#define PFTOK_PROCNAME_LEN 64
1830#pragma pack(1)
1831struct pfioc_token {
0a7de745
A		 1832 u_int64_t token_value;
1833 u_int64_t timestamp;
1834 pid_t pid;
1835 char proc_name[PFTOK_PROCNAME_LEN];
6d2010ae
A		 1836};
1837#pragma pack()
1838
1839struct pfioc_kernel_token {
0a7de745
A		 1840 SLIST_ENTRY(pfioc_kernel_token) next;
1841 struct pfioc_token token;
6d2010ae
A		 1842};
1843
1844struct pfioc_remove_token {
1845 u_int64_t token_value;
1846 u_int64_t refcount;
1847};
1848
1849struct pfioc_tokens {
0a7de745 1850 int size;
6d2010ae 1851 union {
0a7de745
A		 1852 caddr_t pgtu_buf;
1853 struct pfioc_token *pgtu_tokens;
6d2010ae 1854 } pgt_u __attribute__((aligned(8)));
0a7de745
A		 1855#define pgt_buf pgt_u.pgtu_buf
1856#define pgt_tokens pgt_u.pgtu_tokens
6d2010ae
A		 1857};
1858
1859#ifdef KERNEL
1860struct pfioc_tokens_32 {
0a7de745 1861 int size;
6d2010ae 1862 union {
0a7de745
A		 1863 user32_addr_t pgtu_buf;
1864 user32_addr_t pgtu_tokens;
6d2010ae
A		 1865 } pgt_u __attribute__((aligned(8)));
1866};
1867
1868struct pfioc_tokens_64 {
0a7de745 1869 int size;
6d2010ae 1870 union {
0a7de745
A		 1871 user64_addr_t pgtu_buf;
1872 user64_addr_t pgtu_tokens;
6d2010ae
A		 1873 } pgt_u __attribute__((aligned(8)));
1874};
1875#endif /* KERNEL */
1876
1877
b0d623f7 1878struct pfioc_src_nodes {
0a7de745 1879 int psn_len;
b0d623f7 1880 union {
0a7de745
A		 1881 caddr_t psu_buf;
1882 struct pf_src_node *psu_src_nodes;
b0d623f7 1883 } psn_u __attribute__((aligned(8)));
0a7de745
A		 1884#define psn_buf psn_u.psu_buf
1885#define psn_src_nodes psn_u.psu_src_nodes
b0d623f7
A		 1886};
1887
d1ecb069
A		 1888#ifdef KERNEL
1889struct pfioc_src_nodes_32 {
0a7de745 1890 int psn_len;
d1ecb069 1891 union {
0a7de745
A		 1892 user32_addr_t psu_buf;
1893 user32_addr_t psu_src_nodes;
d1ecb069
A		 1894 } psn_u __attribute__((aligned(8)));
1895};
1896
1897struct pfioc_src_nodes_64 {
0a7de745 1898 int psn_len;
d1ecb069 1899 union {
0a7de745
A		 1900 user64_addr_t psu_buf;
1901 user64_addr_t psu_src_nodes;
d1ecb069
A		 1902 } psn_u __attribute__((aligned(8)));
1903};
1904#endif /* KERNEL */
1905
b0d623f7 1906struct pfioc_if {
0a7de745 1907 char ifname[IFNAMSIZ];
b0d623f7
A		 1908};
1909
1910struct pfioc_tm {
0a7de745
A		 1911 int timeout;
1912 int seconds;
b0d623f7
A		 1913};
1914
1915struct pfioc_limit {
0a7de745
A		 1916 int index;
1917 unsigned limit;
b0d623f7
A		 1918};
1919
1920struct pfioc_altq {
0a7de745
A		 1921 u_int32_t action;
1922 u_int32_t ticket;
1923 u_int32_t nr;
1924 struct pf_altq altq __attribute__((aligned(8)));
b0d623f7
A		 1925};
1926
1927struct pfioc_qstats {
0a7de745
A		 1928 u_int32_t ticket;
1929 u_int32_t nr;
1930 void *buf __attribute__((aligned(8)));
1931 int nbytes __attribute__((aligned(8)));
1932 u_int8_t scheduler;
b0d623f7
A		 1933};
1934
1935struct pfioc_ruleset {
0a7de745
A		 1936 u_int32_t nr;
1937 char path[MAXPATHLEN];
1938 char name[PF_ANCHOR_NAME_SIZE];
b0d623f7
A		 1939};
1940
0a7de745
A		 1941#define PF_RULESET_ALTQ (PF_RULESET_MAX)
1942#define PF_RULESET_TABLE (PF_RULESET_MAX+1)
b0d623f7 1943struct pfioc_trans {
0a7de745
A		 1944 int size; /* number of elements */
1945 int esize; /* size of each element in bytes */
b0d623f7 1946 struct pfioc_trans_e {
0a7de745
A		 1947 int rs_num;
1948 char anchor[MAXPATHLEN];
1949 u_int32_t ticket;
d1ecb069
A		 1950 } *array __attribute__((aligned(8)));
1951};
1952
1953#ifdef KERNEL
1954struct pfioc_trans_32 {
0a7de745
A		 1955 int size; /* number of elements */
1956 int esize; /* size of each element in bytes */
1957 user32_addr_t array __attribute__((aligned(8)));
d1ecb069
A		 1958};
1959
1960struct pfioc_trans_64 {
0a7de745
A		 1961 int size; /* number of elements */
1962 int esize; /* size of each element in bytes */
1963 user64_addr_t array __attribute__((aligned(8)));
b0d623f7 1964};
d1ecb069 1965#endif /* KERNEL */
b0d623f7 1966
6d2010ae 1967
0a7de745
A		 1968#define PFR_FLAG_ATOMIC 0x00000001
1969#define PFR_FLAG_DUMMY 0x00000002
1970#define PFR_FLAG_FEEDBACK 0x00000004
1971#define PFR_FLAG_CLSTATS 0x00000008
1972#define PFR_FLAG_ADDRSTOO 0x00000010
1973#define PFR_FLAG_REPLACE 0x00000020
1974#define PFR_FLAG_ALLRSETS 0x00000040
1975#define PFR_FLAG_ALLMASK 0x0000007F
b0d623f7 1976#ifdef KERNEL
0a7de745 1977#define PFR_FLAG_USERIOCTL 0x10000000
d1ecb069 1978#endif /* KERNEL */
b0d623f7
A		 1979
1980struct pfioc_table {
0a7de745
A		 1981 struct pfr_table pfrio_table;
1982 void *pfrio_buffer __attribute__((aligned(8)));
1983 int pfrio_esize __attribute__((aligned(8)));
1984 int pfrio_size;
1985 int pfrio_size2;
1986 int pfrio_nadd;
1987 int pfrio_ndel;
1988 int pfrio_nchange;
1989 int pfrio_flags;
1990 u_int32_t pfrio_ticket;
1991};
1992#define pfrio_exists pfrio_nadd
1993#define pfrio_nzero pfrio_nadd
1994#define pfrio_nmatch pfrio_nadd
1995#define pfrio_naddr pfrio_size2
1996#define pfrio_setflag pfrio_size2
1997#define pfrio_clrflag pfrio_nadd
b0d623f7 1998
d1ecb069
A		 1999#ifdef KERNEL
2000struct pfioc_table_32 {
0a7de745
A		 2001 struct pfr_table pfrio_table;
2002 user32_addr_t pfrio_buffer __attribute__((aligned(8)));
2003 int pfrio_esize __attribute__((aligned(8)));
2004 int pfrio_size;
2005 int pfrio_size2;
2006 int pfrio_nadd;
2007 int pfrio_ndel;
2008 int pfrio_nchange;
2009 int pfrio_flags;
2010 u_int32_t pfrio_ticket;
d1ecb069
A		 2011};
2012
2013struct pfioc_table_64 {
0a7de745
A		 2014 struct pfr_table pfrio_table;
2015 user64_addr_t pfrio_buffer __attribute__((aligned(8)));
2016 int pfrio_esize __attribute__((aligned(8)));
2017 int pfrio_size;
2018 int pfrio_size2;
2019 int pfrio_nadd;
2020 int pfrio_ndel;
2021 int pfrio_nchange;
2022 int pfrio_flags;
2023 u_int32_t pfrio_ticket;
d1ecb069
A		 2024};
2025#endif /* KERNEL */
2026
b0d623f7 2027struct pfioc_iface {
0a7de745
A		 2028 char pfiio_name[IFNAMSIZ];
2029 void *pfiio_buffer __attribute__((aligned(8)));
2030 int pfiio_esize __attribute__((aligned(8)));
2031 int pfiio_size;
2032 int pfiio_nzero;
2033 int pfiio_flags;
b0d623f7
A		 2034};
2035
d1ecb069
A		 2036#ifdef KERNEL
2037struct pfioc_iface_32 {
0a7de745
A		 2038 char pfiio_name[IFNAMSIZ];
2039 user32_addr_t pfiio_buffer __attribute__((aligned(8)));
2040 int pfiio_esize __attribute__((aligned(8)));
2041 int pfiio_size;
2042 int pfiio_nzero;
2043 int pfiio_flags;
d1ecb069
A		 2044};
2045
2046struct pfioc_iface_64 {
0a7de745
A		 2047 char pfiio_name[IFNAMSIZ];
2048 user64_addr_t pfiio_buffer __attribute__((aligned(8)));
2049 int pfiio_esize __attribute__((aligned(8)));
2050 int pfiio_size;
2051 int pfiio_nzero;
2052 int pfiio_flags;
d1ecb069
A		 2053};
2054#endif /* KERNEL */
b0d623f7 2055
316670eb 2056struct pf_ifspeed {
0a7de745
A		 2057 char ifname[IFNAMSIZ];
2058 u_int64_t baudrate;
316670eb
A		 2059};
2060
b0d623f7
A		 2061/*
2062 * ioctl operations
2063 */
2064
0a7de745
A		 2065#define DIOCSTART _IO ('D', 1)
2066#define DIOCSTOP _IO ('D', 2)
2067#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule)
2068#define DIOCGETSTARTERS _IOWR('D', 5, struct pfioc_tokens)
2069#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule)
2070#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule)
2071#define DIOCSTARTREF _IOR ('D', 8, u_int64_t)
2072#define DIOCSTOPREF _IOWR('D', 9, struct pfioc_remove_token)
6d2010ae 2073/* XXX cut 10 - 17 */
0a7de745
A		 2074#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill)
2075#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state)
2076#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)
2077#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status)
2078#define DIOCCLRSTATUS _IO ('D', 22)
2079#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
2080#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t)
2081#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states)
2082#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule)
2083#define DIOCINSERTRULE _IOWR('D', 27, struct pfioc_rule)
2084#define DIOCDELETERULE _IOWR('D', 28, struct pfioc_rule)
2085#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm)
2086#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm)
2087#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state)
2088#define DIOCCLRRULECTRS _IO ('D', 38)
2089#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit)
2090#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit)
2091#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill)
2092#define DIOCSTARTALTQ _IO ('D', 42)
2093#define DIOCSTOPALTQ _IO ('D', 43)
2094#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq)
2095#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq)
2096#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq)
2097#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq)
2098#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats)
2099#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr)
2100#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr)
2101#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr)
2102#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr)
2103#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr)
b0d623f7 2104/* XXX cut 55 - 57 */
0a7de745
A		 2105#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset)
2106#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset)
2107#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table)
2108#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table)
2109#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table)
2110#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table)
2111#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table)
2112#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table)
2113#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table)
2114#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table)
2115#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table)
2116#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table)
2117#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table)
2118#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table)
2119#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table)
2120#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table)
2121#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table)
2122#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table)
2123#define DIOCOSFPFLUSH _IO('D', 78)
2124#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl)
2125#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
2126#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
2127#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
2128#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
2129#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
2130#define DIOCCLRSRCNODES _IO('D', 85)
2131#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
2132#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
2133#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
2134#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
316670eb 2135#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill)
0a7de745 2136#define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed)
b0d623f7
A		 2137
2138#ifdef KERNEL
2139RB_HEAD(pf_src_tree, pf_src_node);
2140RB_PROTOTYPE_SC(__private_extern__, pf_src_tree, pf_src_node, entry,
2141 pf_src_compare);
39236c6e 2142extern struct pf_src_tree tree_src_tracking;
b0d623f7
A		 2143
2144RB_HEAD(pf_state_tree_id, pf_state);
2145RB_PROTOTYPE_SC(__private_extern__, pf_state_tree_id, pf_state,
2146 entry_id, pf_state_compare_id);
39236c6e
A		 2147extern struct pf_state_tree_id tree_id;
2148extern struct pf_state_queue state_list;
b0d623f7
A		 2149
2150TAILQ_HEAD(pf_poolqueue, pf_pool);
0a7de745
A		 2151extern struct pf_poolqueue pf_pools[2];
2152extern struct pf_palist pf_pabuf;
2153extern u_int32_t ticket_pabuf;
2154extern struct pf_poolqueue *pf_pools_active;
2155extern struct pf_poolqueue *pf_pools_inactive;
b0d623f7
A		 2156
2157__private_extern__ int pf_tbladdr_setup(struct pf_ruleset *,
2158 struct pf_addr_wrap *);
2159__private_extern__ void pf_tbladdr_remove(struct pf_addr_wrap *);
2160__private_extern__ void pf_tbladdr_copyout(struct pf_addr_wrap *);
2161__private_extern__ void pf_calc_skip_steps(struct pf_rulequeue *);
316670eb 2162__private_extern__ u_int32_t pf_calc_state_key_flowhash(struct pf_state_key *);
b0d623f7 2163
39236c6e
A		 2164extern struct pool pf_src_tree_pl, pf_rule_pl;
2165extern struct pool pf_state_pl, pf_state_key_pl, pf_pooladdr_pl;
2166extern struct pool pf_state_scrub_pl;
39236c6e 2167extern struct pool pf_app_state_pl;
b0d623f7 2168
39236c6e 2169extern struct thread *pf_purge_thread;
b0d623f7
A		 2170
2171__private_extern__ void pfinit(void);
cb323159 2172__private_extern__ void pf_purge_thread_fn(void *, wait_result_t) __dead2;
b0d623f7
A		 2173__private_extern__ void pf_purge_expired_src_nodes(void);
2174__private_extern__ void pf_purge_expired_states(u_int32_t);
2175__private_extern__ void pf_unlink_state(struct pf_state *);
2176__private_extern__ void pf_free_state(struct pf_state *);
2177__private_extern__ int pf_insert_state(struct pfi_kif *, struct pf_state *);
2178__private_extern__ int pf_insert_src_node(struct pf_src_node **,
2179 struct pf_rule *, struct pf_addr *, sa_family_t);
2180__private_extern__ void pf_src_tree_remove_state(struct pf_state *);
2181__private_extern__ struct pf_state *pf_find_state_byid(struct pf_state_cmp *);
2182__private_extern__ struct pf_state *pf_find_state_all(struct pf_state_key_cmp *,
2183 u_int, int *);
2184__private_extern__ void pf_print_state(struct pf_state *);
2185__private_extern__ void pf_print_flags(u_int8_t);
2186__private_extern__ u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
2187 u_int8_t);
2188
39236c6e
A		 2189extern struct ifnet *sync_ifp;
2190extern struct pf_rule pf_default_rule;
b0d623f7
A		 2191__private_extern__ void pf_addrcpy(struct pf_addr *, struct pf_addr *,
2192 u_int8_t);
2193__private_extern__ void pf_rm_rule(struct pf_rulequeue *, struct pf_rule *);
2194
316670eb 2195struct ip_fw_args;
5ba3f43e
A		 2196
2197extern boolean_t is_nlc_enabled_glb;
5ba3f43e 2198
b0d623f7 2199#if INET
5ba3f43e
A		 2200__private_extern__ int pf_test(int, struct ifnet *, pbuf_t **,
2201 struct ether_header *, struct ip_fw_args *);
2202__private_extern__ int pf_test_mbuf(int, struct ifnet *, struct mbuf **,
316670eb 2203 struct ether_header *, struct ip_fw_args *);
b0d623f7
A		 2204#endif /* INET */
2205
5ba3f43e
A		 2206__private_extern__ int pf_test6(int, struct ifnet *, pbuf_t **,
2207 struct ether_header *, struct ip_fw_args *);
2208__private_extern__ int pf_test6_mbuf(int, struct ifnet *, struct mbuf **,
316670eb 2209 struct ether_header *, struct ip_fw_args *);
b0d623f7
A		 2210__private_extern__ void pf_poolmask(struct pf_addr *, struct pf_addr *,
2211 struct pf_addr *, struct pf_addr *, u_int8_t);
2212__private_extern__ void pf_addr_inc(struct pf_addr *, sa_family_t);
cb323159
A		 2213__private_extern__ int pf_normalize_ip6(pbuf_t *, int, struct pfi_kif *,
2214 u_short *, struct pf_pdesc *);
2215__private_extern__ int pf_refragment6(struct ifnet *, pbuf_t **,
2216 struct pf_fragment_tag *);
b0d623f7 2217
5ba3f43e
A		 2218__private_extern__ void *pf_lazy_makewritable(struct pf_pdesc *,
2219 pbuf_t *, int);
2220__private_extern__ void *pf_pull_hdr(pbuf_t *, int, void *, int,
b0d623f7
A		 2221 u_short *, u_short *, sa_family_t);
2222__private_extern__ void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
5ba3f43e 2223__private_extern__ int pflog_packet(struct pfi_kif *, pbuf_t *,
b0d623f7
A		 2224 sa_family_t, u_int8_t, u_int8_t, struct pf_rule *, struct pf_rule *,
2225 struct pf_ruleset *, struct pf_pdesc *);
2226__private_extern__ int pf_match_addr(u_int8_t, struct pf_addr *,
2227 struct pf_addr *, struct pf_addr *, sa_family_t);
2228__private_extern__ int pf_match_addr_range(struct pf_addr *, struct pf_addr *,
2229 struct pf_addr *, sa_family_t);
2230__private_extern__ int pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t);
2231__private_extern__ int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
b0d623f7
A		 2232__private_extern__ int pf_match_xport(u_int8_t, u_int8_t, union pf_rule_xport *,
2233 union pf_state_xport *);
b0d623f7
A		 2234__private_extern__ int pf_match_uid(u_int8_t, uid_t, uid_t, uid_t);
2235__private_extern__ int pf_match_gid(u_int8_t, gid_t, gid_t, gid_t);
2236
2237__private_extern__ void pf_normalize_init(void);
2238__private_extern__ int pf_normalize_isempty(void);
5ba3f43e 2239__private_extern__ int pf_normalize_ip(pbuf_t *, int, struct pfi_kif *,
b0d623f7 2240 u_short *, struct pf_pdesc *);
5ba3f43e 2241__private_extern__ int pf_normalize_tcp(int, struct pfi_kif *, pbuf_t *,
b0d623f7
A		 2242 int, int, void *, struct pf_pdesc *);
2243__private_extern__ void pf_normalize_tcp_cleanup(struct pf_state *);
5ba3f43e 2244__private_extern__ int pf_normalize_tcp_init(pbuf_t *, int,
b0d623f7
A		 2245 struct pf_pdesc *, struct tcphdr *, struct pf_state_peer *,
2246 struct pf_state_peer *);
5ba3f43e 2247__private_extern__ int pf_normalize_tcp_stateful(pbuf_t *, int,
b0d623f7
A		 2248 struct pf_pdesc *, u_short *, struct tcphdr *, struct pf_state *,
2249 struct pf_state_peer *, struct pf_state_peer *, int *);
2250__private_extern__ u_int64_t pf_state_expires(const struct pf_state *);
2251__private_extern__ void pf_purge_expired_fragments(void);
2252__private_extern__ int pf_routable(struct pf_addr *addr, sa_family_t af,
2253 struct pfi_kif *);
2254__private_extern__ int pf_rtlabel_match(struct pf_addr *, sa_family_t,
2255 struct pf_addr_wrap *);
2256__private_extern__ int pf_socket_lookup(int, struct pf_pdesc *);
316670eb
A		 2257__private_extern__ struct pf_state_key *pf_alloc_state_key(struct pf_state *,
2258 struct pf_state_key *);
b0d623f7
A		 2259__private_extern__ void pfr_initialize(void);
2260__private_extern__ int pfr_match_addr(struct pfr_ktable *, struct pf_addr *,
2261 sa_family_t);
2262__private_extern__ void pfr_update_stats(struct pfr_ktable *, struct pf_addr *,
2263 sa_family_t, u_int64_t, int, int, int);
2264__private_extern__ int pfr_pool_get(struct pfr_ktable *, int *,
2265 struct pf_addr *, struct pf_addr **, struct pf_addr **, sa_family_t);
2266__private_extern__ void pfr_dynaddr_update(struct pfr_ktable *,
2267 struct pfi_dynaddr *);
6d2010ae 2268__private_extern__ void pfr_table_copyin_cleanup(struct pfr_table *);
b0d623f7
A		 2269__private_extern__ struct pfr_ktable *pfr_attach_table(struct pf_ruleset *,
2270 char *);
2271__private_extern__ void pfr_detach_table(struct pfr_ktable *);
2272__private_extern__ int pfr_clr_tables(struct pfr_table *, int *, int);
d1ecb069
A		 2273__private_extern__ int pfr_add_tables(user_addr_t, int, int *, int);
2274__private_extern__ int pfr_del_tables(user_addr_t, int, int *, int);
2275__private_extern__ int pfr_get_tables(struct pfr_table *, user_addr_t,
b0d623f7 2276 int *, int);
d1ecb069 2277__private_extern__ int pfr_get_tstats(struct pfr_table *, user_addr_t,
b0d623f7 2278 int *, int);
d1ecb069
A		 2279__private_extern__ int pfr_clr_tstats(user_addr_t, int, int *, int);
2280__private_extern__ int pfr_set_tflags(user_addr_t, int, int, int, int *,
b0d623f7
A		 2281 int *, int);
2282__private_extern__ int pfr_clr_addrs(struct pfr_table *, int *, int);
2283__private_extern__ int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *,
2284 u_int64_t);
d1ecb069 2285__private_extern__ int pfr_add_addrs(struct pfr_table *, user_addr_t,
b0d623f7 2286 int, int *, int);
d1ecb069 2287__private_extern__ int pfr_del_addrs(struct pfr_table *, user_addr_t,
b0d623f7 2288 int, int *, int);
d1ecb069 2289__private_extern__ int pfr_set_addrs(struct pfr_table *, user_addr_t,
b0d623f7 2290 int, int *, int *, int *, int *, int, u_int32_t);
d1ecb069 2291__private_extern__ int pfr_get_addrs(struct pfr_table *, user_addr_t,
b0d623f7 2292 int *, int);
d1ecb069 2293__private_extern__ int pfr_get_astats(struct pfr_table *, user_addr_t,
b0d623f7 2294 int *, int);
d1ecb069 2295__private_extern__ int pfr_clr_astats(struct pfr_table *, user_addr_t,
b0d623f7 2296 int, int *, int);
d1ecb069 2297__private_extern__ int pfr_tst_addrs(struct pfr_table *, user_addr_t,
b0d623f7
A		 2298 int, int *, int);
2299__private_extern__ int pfr_ina_begin(struct pfr_table *, u_int32_t *, int *,
2300 int);
2301__private_extern__ int pfr_ina_rollback(struct pfr_table *, u_int32_t, int *,
2302 int);
2303__private_extern__ int pfr_ina_commit(struct pfr_table *, u_int32_t, int *,
2304 int *, int);
d1ecb069 2305__private_extern__ int pfr_ina_define(struct pfr_table *, user_addr_t,
b0d623f7
A		 2306 int, int *, int *, u_int32_t, int);
2307
39236c6e 2308extern struct pfi_kif *pfi_all;
b0d623f7
A		 2309
2310__private_extern__ void pfi_initialize(void);
2311__private_extern__ struct pfi_kif *pfi_kif_get(const char *);
2312__private_extern__ void pfi_kif_ref(struct pfi_kif *, enum pfi_kif_refs);
2313__private_extern__ void pfi_kif_unref(struct pfi_kif *, enum pfi_kif_refs);
2314__private_extern__ int pfi_kif_match(struct pfi_kif *, struct pfi_kif *);
2315__private_extern__ void pfi_attach_ifnet(struct ifnet *);
2316__private_extern__ void pfi_detach_ifnet(struct ifnet *);
2317__private_extern__ int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
2318 sa_family_t);
2319__private_extern__ int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
2320__private_extern__ void pfi_dynaddr_remove(struct pf_addr_wrap *);
2321__private_extern__ void pfi_dynaddr_copyout(struct pf_addr_wrap *);
2322__private_extern__ void pfi_update_status(const char *, struct pf_status *);
d1ecb069 2323__private_extern__ int pfi_get_ifaces(const char *, user_addr_t, int *);
b0d623f7
A		 2324__private_extern__ int pfi_set_flags(const char *, int);
2325__private_extern__ int pfi_clear_flags(const char *, int);
2326
2327__private_extern__ u_int16_t pf_tagname2tag(char *);
2328__private_extern__ void pf_tag2tagname(u_int16_t, char *);
2329__private_extern__ void pf_tag_ref(u_int16_t);
2330__private_extern__ void pf_tag_unref(u_int16_t);
5ba3f43e 2331__private_extern__ int pf_tag_packet(pbuf_t *, struct pf_mtag *,
316670eb 2332 int, unsigned int, struct pf_pdesc *);
13f56ec4 2333__private_extern__ void pf_step_into_anchor(int *, struct pf_ruleset **, int,
0a7de745 2334 struct pf_rule **, struct pf_rule **, int *);
13f56ec4
A		 2335__private_extern__ int pf_step_out_of_anchor(int *, struct pf_ruleset **, int,
2336 struct pf_rule **, struct pf_rule **, int *);
b0d623f7
A		 2337__private_extern__ u_int32_t pf_qname2qid(char *);
2338__private_extern__ void pf_qid2qname(u_int32_t, char *);
2339__private_extern__ void pf_qid_unref(u_int32_t);
2340
39236c6e
A		 2341extern struct pf_status pf_status;
2342extern struct pool pf_frent_pl, pf_frag_pl;
b0d623f7
A		 2343
2344struct pf_pool_limit {
0a7de745
A		 2345 void *pp;
2346 unsigned limit;
b0d623f7 2347};
0a7de745 2348extern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX];
b0d623f7
A		 2349
2350__private_extern__ int pf_af_hook(struct ifnet *, struct mbuf **,
316670eb 2351 struct mbuf **, unsigned int, int, struct ip_fw_args *);
39236c6e 2352__private_extern__ int pf_ifaddr_hook(struct ifnet *);
b0d623f7
A		 2353__private_extern__ void pf_ifnet_hook(struct ifnet *, int);
2354
2355/*
2356 * The following are defined with "private extern" storage class for
2357 * kernel, and "extern" for user-space.
2358 */
39236c6e
A		 2359extern struct pf_anchor_global pf_anchors;
2360extern struct pf_anchor pf_main_anchor;
0a7de745 2361#define pf_main_ruleset pf_main_anchor.ruleset
b0d623f7 2362
39236c6e 2363extern int pf_is_enabled;
3e170ce0 2364extern int16_t pf_nat64_configured;
6d2010ae 2365#define PF_IS_ENABLED (pf_is_enabled != 0)
39236c6e 2366extern u_int32_t pf_hash_seed;
316670eb 2367
b0d623f7
A		 2368/* these ruleset functions can be linked into userland programs (pfctl) */
2369__private_extern__ int pf_get_ruleset_number(u_int8_t);
2370__private_extern__ void pf_init_ruleset(struct pf_ruleset *);
2371__private_extern__ int pf_anchor_setup(struct pf_rule *,
2372 const struct pf_ruleset *, const char *);
2373__private_extern__ int pf_anchor_copyout(const struct pf_ruleset *,
2374 const struct pf_rule *, struct pfioc_rule *);
2375__private_extern__ void pf_anchor_remove(struct pf_rule *);
2376__private_extern__ void pf_remove_if_empty_ruleset(struct pf_ruleset *);
2377__private_extern__ struct pf_anchor *pf_find_anchor(const char *);
2378__private_extern__ struct pf_ruleset *pf_find_ruleset(const char *);
316670eb
A		 2379__private_extern__ struct pf_ruleset *pf_find_ruleset_with_owner(const char *,
2380 const char *, int, int *);
b0d623f7
A		 2381__private_extern__ struct pf_ruleset *pf_find_or_create_ruleset(const char *);
2382__private_extern__ void pf_rs_initialize(void);
2383
2384__private_extern__ int pf_osfp_add(struct pf_osfp_ioctl *);
2385__private_extern__ struct pf_osfp_enlist *pf_osfp_fingerprint(struct pf_pdesc *,
5ba3f43e 2386 pbuf_t *, int, const struct tcphdr *);
b0d623f7 2387__private_extern__ struct pf_osfp_enlist *pf_osfp_fingerprint_hdr(
0a7de745 2388 const struct ip *, const struct ip6_hdr *, const struct tcphdr *);
b0d623f7
A		 2389__private_extern__ void pf_osfp_flush(void);
2390__private_extern__ int pf_osfp_get(struct pf_osfp_ioctl *);
2391__private_extern__ void pf_osfp_initialize(void);
2392__private_extern__ int pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t);
2393__private_extern__ struct pf_os_fingerprint *pf_osfp_validate(void);
316670eb 2394__private_extern__ struct pf_mtag *pf_find_mtag(struct mbuf *);
5ba3f43e 2395__private_extern__ struct pf_mtag *pf_find_mtag_pbuf(pbuf_t *);
316670eb 2396__private_extern__ struct pf_mtag *pf_get_mtag(struct mbuf *);
5ba3f43e 2397__private_extern__ struct pf_mtag *pf_get_mtag_pbuf(pbuf_t *);
cb323159
A		 2398__private_extern__ struct pf_fragment_tag * pf_find_fragment_tag_pbuf(pbuf_t *);
2399__private_extern__ struct pf_fragment_tag * pf_find_fragment_tag(struct mbuf *);
2400__private_extern__ struct pf_fragment_tag * pf_copy_fragment_tag(struct mbuf *,
2401 struct pf_fragment_tag *, int);
b0d623f7
A		 2402#else /* !KERNEL */
2403extern struct pf_anchor_global pf_anchors;
2404extern struct pf_anchor pf_main_anchor;
0a7de745 2405#define pf_main_ruleset pf_main_anchor.ruleset
b0d623f7
A		 2406
2407/* these ruleset functions can be linked into userland programs (pfctl) */
2408extern int pf_get_ruleset_number(u_int8_t);
2409extern void pf_init_ruleset(struct pf_ruleset *);
2410extern int pf_anchor_setup(struct pf_rule *, const struct pf_ruleset *,
2411 const char *);
2412extern int pf_anchor_copyout(const struct pf_ruleset *, const struct pf_rule *,
2413 struct pfioc_rule *);
2414extern void pf_anchor_remove(struct pf_rule *);
2415extern void pf_remove_if_empty_ruleset(struct pf_ruleset *);
2416extern struct pf_anchor *pf_find_anchor(const char *);
2417extern struct pf_ruleset *pf_find_ruleset(const char *);
316670eb
A		 2418extern struct pf_ruleset *pf_find_ruleset_with_owner(const char *,
2419 const char *, int, int *);
b0d623f7
A		 2420extern struct pf_ruleset *pf_find_or_create_ruleset(const char *);
2421extern void pf_rs_initialize(void);
2422#endif /* !KERNEL */
2423
2424#ifdef __cplusplus
2425}
2426#endif
2427#endif /* PF || !KERNEL */
2428#endif /* PRIVATE */
2429#endif /* _NET_PFVAR_H_ */
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