1 /* $FreeBSD: src/sys/contrib/pf/net/pfvar.h,v 1.8 2004/08/12 13:59:44 mlaier Exp $ */
2 /* $OpenBSD: pfvar.h,v 1.187 2004/03/22 04:54:18 mcbride Exp $ */
3 /* add $OpenBSD: pfvar.h,v 1.194 2004/05/11 07:34:11 dhartmei Exp $ */
4 /* $DragonFly: src/sys/net/pf/pfvar.h,v 1.7 2008/04/06 21:12:42 dillon Exp $ */
7 * Copyright (c) 2004 The DragonFly Project. All rights reserved.
9 * Copyright (c) 2001 Daniel Hartmeier
10 * All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
16 * - Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials provided
21 * with the distribution.
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
27 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
29 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
33 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
41 #include <sys/types.h>
42 #include <sys/queue.h>
45 #include <net/radix.h>
46 #include <net/if_clone.h>
47 #include <netinet/in.h>
50 #include <vm/vm_zone.h>
55 * If we include <netipsec/keydb.h>, we need _KERNEL definition.
56 * This makes pfctl compilation difficult.
58 union sockaddr_union
{
60 struct sockaddr_in sin
;
61 struct sockaddr_in6 sin6
;
64 #include <netinet/tcp_fsm.h>
68 #define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0)
69 #define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1)
71 enum { PF_INOUT
, PF_IN
, PF_OUT
};
72 enum { PF_LAN_EXT
, PF_EXT_GWY
, PF_ID
};
73 enum { PF_PASS
, PF_DROP
, PF_SCRUB
, PF_NAT
, PF_NONAT
,
74 PF_BINAT
, PF_NOBINAT
, PF_RDR
, PF_NORDR
, PF_SYNPROXY_DROP
};
75 enum { PF_RULESET_SCRUB
, PF_RULESET_FILTER
, PF_RULESET_NAT
,
76 PF_RULESET_BINAT
, PF_RULESET_RDR
, PF_RULESET_MAX
};
77 enum { PF_OP_NONE
, PF_OP_IRG
, PF_OP_EQ
, PF_OP_NE
, PF_OP_LT
,
78 PF_OP_LE
, PF_OP_GT
, PF_OP_GE
, PF_OP_XRG
, PF_OP_RRG
};
79 enum { PF_DEBUG_NONE
, PF_DEBUG_URGENT
, PF_DEBUG_MISC
, PF_DEBUG_NOISY
};
80 enum { PF_CHANGE_NONE
, PF_CHANGE_ADD_HEAD
, PF_CHANGE_ADD_TAIL
,
81 PF_CHANGE_ADD_BEFORE
, PF_CHANGE_ADD_AFTER
,
82 PF_CHANGE_REMOVE
, PF_CHANGE_GET_TICKET
};
84 * Note about PFTM_*: real indices into pf_rule.timeout[] come before
85 * PFTM_MAX, special cases afterwards. See pf_state_expires().
87 enum { PFTM_TCP_FIRST_PACKET
, PFTM_TCP_OPENING
, PFTM_TCP_ESTABLISHED
,
88 PFTM_TCP_CLOSING
, PFTM_TCP_FIN_WAIT
, PFTM_TCP_CLOSED
,
89 PFTM_UDP_FIRST_PACKET
, PFTM_UDP_SINGLE
, PFTM_UDP_MULTIPLE
,
90 PFTM_ICMP_FIRST_PACKET
, PFTM_ICMP_ERROR_REPLY
,
91 PFTM_OTHER_FIRST_PACKET
, PFTM_OTHER_SINGLE
,
92 PFTM_OTHER_MULTIPLE
, PFTM_FRAG
, PFTM_INTERVAL
,
93 PFTM_ADAPTIVE_START
, PFTM_ADAPTIVE_END
, PFTM_SRC_NODE
,
94 PFTM_MAX
, PFTM_PURGE
, PFTM_UNTIL_PACKET
};
95 enum { PF_NOPFROUTE
, PF_FASTROUTE
, PF_ROUTETO
, PF_DUPTO
, PF_REPLYTO
};
96 enum { PF_LIMIT_STATES
, PF_LIMIT_SRC_NODES
, PF_LIMIT_FRAGS
, PF_LIMIT_MAX
};
97 #define PF_POOL_IDMASK 0x0f
98 enum { PF_POOL_NONE
, PF_POOL_BITMASK
, PF_POOL_RANDOM
,
99 PF_POOL_SRCHASH
, PF_POOL_ROUNDROBIN
};
100 enum { PF_ADDR_ADDRMASK
, PF_ADDR_NOROUTE
, PF_ADDR_DYNIFTL
,
102 #define PF_POOL_TYPEMASK 0x0f
103 #define PF_POOL_STICKYADDR 0x20
104 #define PF_WSCALE_FLAG 0x80
105 #define PF_WSCALE_MASK 0x0f
114 } pfa
; /* 128-bit address */
117 #define addr8 pfa.addr8
118 #define addr16 pfa.addr16
119 #define addr32 pfa.addr32
122 #define PF_TABLE_NAME_SIZE 32
124 #define PFI_AFLAG_NETWORK 0x01
125 #define PFI_AFLAG_BROADCAST 0x02
126 #define PFI_AFLAG_PEER 0x04
127 #define PFI_AFLAG_MODEMASK 0x07
128 #define PFI_AFLAG_NOALIAS 0x08
130 struct pf_addr_wrap
{
136 char ifname
[IFNAMSIZ
];
137 char tblname
[PF_TABLE_NAME_SIZE
];
140 struct pfi_dynaddr
*dyn
;
141 struct pfr_ktable
*tbl
;
145 u_int8_t type
; /* PF_ADDR_* */
146 u_int8_t iflags
; /* PFI_AFLAG_* */
152 struct pf_addr pfid_addr4
;
153 struct pf_addr pfid_mask4
;
154 struct pf_addr pfid_addr6
;
155 struct pf_addr pfid_mask6
;
156 struct pfr_ktable
*pfid_kt
;
157 struct pfi_kif
*pfid_kif
;
158 void *pfid_hook_cookie
;
159 int pfid_net
; /* optional mask, or 128 */
160 int pfid_acnt4
; /* address count, IPv4 */
161 int pfid_acnt6
; /* address count, IPv6 */
162 sa_family_t pfid_af
; /* rule address family */
163 u_int8_t pfid_iflags
; /* PFI_AFLAG_* */
167 * Address manipulation macros
170 /* XXX correct values for zinit? */
171 #define ZONE_CREATE(var, type, desc) \
172 var = zinit(desc, sizeof(type), 1, ZONE_DESTROYABLE, 1); \
173 if (var == NULL) break
174 #define ZONE_DESTROY(a) zdestroy(a)
176 #define pool_get(p, f) zalloc(*(p))
177 #define pool_put(p, o) zfree(*(p), (o))
182 #define PFLOG_MODVER 1
183 #define PFSYNC_MODVER 1
185 #define PFLOG_MINVER 1
186 #define PFLOG_PREFVER PFLOG_MODVER
187 #define PFLOG_MAXVER 1
188 #define PFSYNC_MINVER 1
189 #define PFSYNC_PREFVER PFSYNC_MODVER
190 #define PFSYNC_MAXVER 1
192 /* prototyped for pf_subr.c */
194 TAILQ_ENTRY(hook_desc
) hd_list
;
195 void (*hd_fn
)(void *);
198 TAILQ_HEAD(hook_desc_head
, hook_desc
);
200 void *hook_establish(struct hook_desc_head
*, int, void (*)(void *), void *);
201 void hook_disestablish(struct hook_desc_head
*, void *);
202 void dohooks(struct hook_desc_head
*, int);
204 #define HOOK_REMOVE 0x01
205 #define HOOK_FREE 0x02
215 #define PF_INET6_ONLY
221 #define PF_INET_INET6
227 #define PF_INET_INET6
231 /* Both IPv4 and IPv6 */
234 #define PF_AEQ(a, b, c) \
235 ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \
236 ((a)->addr32[3] == (b)->addr32[3] && \
237 (a)->addr32[2] == (b)->addr32[2] && \
238 (a)->addr32[1] == (b)->addr32[1] && \
239 (a)->addr32[0] == (b)->addr32[0])) \
241 #define PF_ANEQ(a, b, c) \
242 ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \
243 ((a)->addr32[3] != (b)->addr32[3] || \
244 (a)->addr32[2] != (b)->addr32[2] || \
245 (a)->addr32[1] != (b)->addr32[1] || \
246 (a)->addr32[0] != (b)->addr32[0])) \
248 #define PF_AZERO(a, c) \
249 ((c == AF_INET && !(a)->addr32[0]) || \
250 (!(a)->addr32[0] && !(a)->addr32[1] && \
251 !(a)->addr32[2] && !(a)->addr32[3] )) \
253 #define PF_MATCHA(n, a, m, b, f) \
254 pf_match_addr(n, a, m, b, f)
256 #define PF_ACPY(a, b, f) \
259 #define PF_AINC(a, f) \
262 #define PF_POOLMASK(a, b, c, d, f) \
263 pf_poolmask(a, b, c, d, f)
271 #define PF_AEQ(a, b, c) \
272 ((a)->addr32[3] == (b)->addr32[3] && \
273 (a)->addr32[2] == (b)->addr32[2] && \
274 (a)->addr32[1] == (b)->addr32[1] && \
275 (a)->addr32[0] == (b)->addr32[0]) \
277 #define PF_ANEQ(a, b, c) \
278 ((a)->addr32[3] != (b)->addr32[3] || \
279 (a)->addr32[2] != (b)->addr32[2] || \
280 (a)->addr32[1] != (b)->addr32[1] || \
281 (a)->addr32[0] != (b)->addr32[0]) \
283 #define PF_AZERO(a, c) \
284 (!(a)->addr32[0] && \
289 #define PF_MATCHA(n, a, m, b, f) \
290 pf_match_addr(n, a, m, b, f)
292 #define PF_ACPY(a, b, f) \
295 #define PF_AINC(a, f) \
298 #define PF_POOLMASK(a, b, c, d, f) \
299 pf_poolmask(a, b, c, d, f)
306 #define PF_AEQ(a, b, c) \
307 ((a)->addr32[0] == (b)->addr32[0])
309 #define PF_ANEQ(a, b, c) \
310 ((a)->addr32[0] != (b)->addr32[0])
312 #define PF_AZERO(a, c) \
315 #define PF_MATCHA(n, a, m, b, f) \
316 pf_match_addr(n, a, m, b, f)
318 #define PF_ACPY(a, b, f) \
319 (a)->v4.s_addr = (b)->v4.s_addr
321 #define PF_AINC(a, f) \
323 (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \
326 #define PF_POOLMASK(a, b, c, d, f) \
328 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
329 (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \
332 #endif /* PF_INET_ONLY */
333 #endif /* PF_INET6_ONLY */
334 #endif /* PF_INET_INET6 */
336 #define PF_MISMATCHAW(aw, x, af, not) \
338 (((aw)->type == PF_ADDR_NOROUTE && \
339 pf_routable((x), (af))) || \
340 ((aw)->type == PF_ADDR_TABLE && \
341 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
342 ((aw)->type == PF_ADDR_DYNIFTL && \
343 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
344 ((aw)->type == PF_ADDR_ADDRMASK && \
345 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
346 !PF_MATCHA(0, &(aw)->v.a.addr, \
347 &(aw)->v.a.mask, (x), (af)))) != \
361 struct pf_rule_addr
{
362 struct pf_addr_wrap addr
;
369 struct pf_addr_wrap addr
;
370 TAILQ_ENTRY(pf_pooladdr
) entries
;
371 char ifname
[IFNAMSIZ
];
375 TAILQ_HEAD(pf_palist
, pf_pooladdr
);
377 struct pf_poolhashkey
{
382 } pfk
; /* 128-bit hash key */
383 #define key8 pfk.key8
384 #define key16 pfk.key16
385 #define key32 pfk.key32
389 struct pf_palist list
;
390 struct pf_pooladdr
*cur
;
391 struct pf_poolhashkey key
;
392 struct pf_addr counter
;
394 u_int16_t proxy_port
[2];
400 /* A packed Operating System description for fingerprinting */
401 typedef u_int32_t pf_osfp_t
;
402 #define PF_OSFP_ANY ((pf_osfp_t)0)
403 #define PF_OSFP_UNKNOWN ((pf_osfp_t)-1)
404 #define PF_OSFP_NOMATCH ((pf_osfp_t)-2)
406 struct pf_osfp_entry
{
407 SLIST_ENTRY(pf_osfp_entry
) fp_entry
;
410 #define PF_OSFP_EXPANDED 0x001 /* expanded entry */
411 #define PF_OSFP_GENERIC 0x002 /* generic signature */
412 #define PF_OSFP_NODETAIL 0x004 /* no p0f details */
413 #define PF_OSFP_LEN 32
414 char fp_class_nm
[PF_OSFP_LEN
];
415 char fp_version_nm
[PF_OSFP_LEN
];
416 char fp_subtype_nm
[PF_OSFP_LEN
];
418 #define PF_OSFP_ENTRY_EQ(a, b) \
419 ((a)->fp_os == (b)->fp_os && \
420 memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \
421 memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \
422 memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0)
424 /* handle pf_osfp_t packing */
425 #define _FP_RESERVED_BIT 1 /* For the special negative #defines */
426 #define _FP_UNUSED_BITS 1
427 #define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */
428 #define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */
429 #define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */
430 #define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \
431 (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \
432 ((1 << _FP_CLASS_BITS) - 1); \
433 (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \
434 ((1 << _FP_VERSION_BITS) - 1);\
435 (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \
437 #define PF_OSFP_PACK(osfp, class, version, subtype) do { \
438 (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \
439 + _FP_SUBTYPE_BITS); \
440 (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \
442 (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \
445 /* the fingerprint of an OSes TCP SYN packet */
446 typedef u_int64_t pf_tcpopts_t
;
447 struct pf_os_fingerprint
{
448 SLIST_HEAD(pf_osfp_enlist
, pf_osfp_entry
) fp_oses
; /* list of matches */
449 pf_tcpopts_t fp_tcpopts
; /* packed TCP options */
450 u_int16_t fp_wsize
; /* TCP window size */
451 u_int16_t fp_psize
; /* ip->ip_len */
452 u_int16_t fp_mss
; /* TCP MSS */
454 #define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */
455 #define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */
456 #define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */
457 #define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */
458 #define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */
459 #define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */
460 #define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */
461 #define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */
462 #define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */
463 #define PF_OSFP_MSS 0x0200 /* TCP MSS */
464 #define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */
465 #define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */
466 #define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */
467 #define PF_OSFP_TS0 0x2000 /* Zero timestamp */
468 u_int8_t fp_optcnt
; /* TCP option count */
469 u_int8_t fp_wscale
; /* TCP window scaling */
470 u_int8_t fp_ttl
; /* IPv4 TTL */
471 #define PF_OSFP_MAXTTL_OFFSET 40
472 /* TCP options packing */
473 #define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */
474 #define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */
475 #define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */
476 #define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */
477 #define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */
478 #define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */
479 #define PF_OSFP_MAX_OPTS \
480 (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \
481 / PF_OSFP_TCPOPT_BITS
483 SLIST_ENTRY(pf_os_fingerprint
) fp_next
;
486 struct pf_osfp_ioctl
{
487 struct pf_osfp_entry fp_os
;
488 pf_tcpopts_t fp_tcpopts
; /* packed TCP options */
489 u_int16_t fp_wsize
; /* TCP window size */
490 u_int16_t fp_psize
; /* ip->ip_len */
491 u_int16_t fp_mss
; /* TCP MSS */
493 u_int8_t fp_optcnt
; /* TCP option count */
494 u_int8_t fp_wscale
; /* TCP window scaling */
495 u_int8_t fp_ttl
; /* IPv4 TTL */
497 int fp_getnum
; /* DIOCOSFPGET number */
507 struct pf_rule_addr src
;
508 struct pf_rule_addr dst
;
509 #define PF_SKIP_IFP 0
510 #define PF_SKIP_DIR 1
512 #define PF_SKIP_PROTO 3
513 #define PF_SKIP_SRC_ADDR 4
514 #define PF_SKIP_SRC_PORT 5
515 #define PF_SKIP_DST_ADDR 6
516 #define PF_SKIP_DST_PORT 7
517 #define PF_SKIP_COUNT 8
518 union pf_rule_ptr skip
[PF_SKIP_COUNT
];
519 #define PF_RULE_LABEL_SIZE 64
520 char label
[PF_RULE_LABEL_SIZE
];
521 #define PF_QNAME_SIZE 16
522 char ifname
[IFNAMSIZ
];
523 char qname
[PF_QNAME_SIZE
];
524 char pqname
[PF_QNAME_SIZE
];
525 #define PF_ANCHOR_NAME_SIZE 16
526 char anchorname
[PF_ANCHOR_NAME_SIZE
];
527 #define PF_TAG_NAME_SIZE 16
528 char tagname
[PF_TAG_NAME_SIZE
];
529 char match_tagname
[PF_TAG_NAME_SIZE
];
531 TAILQ_ENTRY(pf_rule
) entries
;
532 struct pf_pool rpool
;
534 u_int64_t evaluations
;
539 struct pf_anchor
*anchor
;
541 pf_osfp_t os_fingerprint
;
543 u_int32_t timeout
[PFTM_MAX
];
545 u_int32_t max_states
;
547 u_int32_t max_src_nodes
;
548 u_int32_t max_src_states
;
555 u_int16_t return_icmp
;
556 u_int16_t return_icmp6
;
561 struct pf_rule_uid uid
;
562 struct pf_rule_gid gid
;
570 u_int8_t match_tag_not
;
573 #define PF_STATE_NORMAL 0x1
574 #define PF_STATE_MODULATE 0x2
575 #define PF_STATE_SYNPROXY 0x3
591 #define PFRULE_DROP 0x0000
592 #define PFRULE_RETURNRST 0x0001
593 #define PFRULE_FRAGMENT 0x0002
594 #define PFRULE_RETURNICMP 0x0004
595 #define PFRULE_RETURN 0x0008
596 #define PFRULE_NOSYNC 0x0010
597 #define PFRULE_SRCTRACK 0x0020 /* track source states */
598 #define PFRULE_RULESRCTRACK 0x0040 /* per rule */
601 #define PFRULE_NODF 0x0100
602 #define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */
603 #define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */
604 #define PFRULE_RANDOMID 0x0800
605 #define PFRULE_REASSEMBLE_TCP 0x1000
607 /* rule flags again */
608 #define PFRULE_IFBOUND 0x00010000 /* if-bound */
609 #define PFRULE_GRBOUND 0x00020000 /* group-bound */
611 #define PFSTATE_HIWAT 10000 /* default state table size */
614 RB_ENTRY(pf_src_node
) entry
;
616 struct pf_addr raddr
;
617 union pf_rule_ptr rule
;
628 #define PFSNODE_HIWAT 10000 /* default source node table size */
630 struct pf_state_scrub
{
631 u_int16_t pfss_flags
;
632 #define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */
633 u_int8_t pfss_ttl
; /* stashed TTL */
635 u_int32_t pfss_ts_mod
; /* timestamp modulation */
638 struct pf_state_host
{
644 struct pf_state_peer
{
645 u_int32_t seqlo
; /* Max sequence number sent */
646 u_int32_t seqhi
; /* Max the other end ACKd + win */
647 u_int32_t seqdiff
; /* Sequence number modulator */
648 u_int16_t max_win
; /* largest window (pre scaling) */
649 u_int8_t state
; /* active state level */
650 u_int8_t wscale
; /* window scaling factor */
651 u_int16_t mss
; /* Maximum segment size option */
652 struct pf_state_scrub
*scrub
; /* state is scrubbed */
655 TAILQ_HEAD(pf_state_queue
, pf_state
);
661 RB_ENTRY(pf_state
) entry_lan_ext
;
662 RB_ENTRY(pf_state
) entry_ext_gwy
;
663 RB_ENTRY(pf_state
) entry_id
;
664 TAILQ_ENTRY(pf_state
) entry_updates
;
667 char ifname
[IFNAMSIZ
];
669 struct pf_state_host lan
;
670 struct pf_state_host gwy
;
671 struct pf_state_host ext
;
672 struct pf_state_peer src
;
673 struct pf_state_peer dst
;
674 union pf_rule_ptr rule
;
675 union pf_rule_ptr anchor
;
676 union pf_rule_ptr nat_rule
;
677 struct pf_addr rt_addr
;
678 struct pfi_kif
*rt_kif
;
679 struct pf_src_node
*src_node
;
680 struct pf_src_node
*nat_src_node
;
683 u_int32_t pfsync_time
;
684 u_int32_t packets
[2];
694 #define PFSTATE_NOSYNC 0x01
695 #define PFSTATE_FROMSYNC 0x02
699 TAILQ_HEAD(pf_rulequeue
, pf_rule
);
704 TAILQ_ENTRY(pf_ruleset
) entries
;
705 #define PF_RULESET_NAME_SIZE 16
706 char name
[PF_RULESET_NAME_SIZE
];
708 struct pf_rulequeue queues
[2];
710 struct pf_rulequeue
*ptr
;
714 } rules
[PF_RULESET_MAX
];
715 struct pf_anchor
*anchor
;
721 TAILQ_HEAD(pf_rulesetqueue
, pf_ruleset
);
724 TAILQ_ENTRY(pf_anchor
) entries
;
725 char name
[PF_ANCHOR_NAME_SIZE
];
726 struct pf_rulesetqueue rulesets
;
730 TAILQ_HEAD(pf_anchorqueue
, pf_anchor
);
732 #define PF_RESERVED_ANCHOR "_pf"
733 #define PF_INTERFACE_RULESET "_if"
735 #define PFR_TFLAG_PERSIST 0x00000001
736 #define PFR_TFLAG_CONST 0x00000002
737 #define PFR_TFLAG_ACTIVE 0x00000004
738 #define PFR_TFLAG_INACTIVE 0x00000008
739 #define PFR_TFLAG_REFERENCED 0x00000010
740 #define PFR_TFLAG_REFDANCHOR 0x00000020
741 #define PFR_TFLAG_USRMASK 0x00000003
742 #define PFR_TFLAG_SETMASK 0x0000003C
743 #define PFR_TFLAG_ALLMASK 0x0000003F
746 char pfrt_anchor
[PF_ANCHOR_NAME_SIZE
];
747 char pfrt_ruleset
[PF_RULESET_NAME_SIZE
];
748 char pfrt_name
[PF_TABLE_NAME_SIZE
];
749 u_int32_t pfrt_flags
;
753 enum { PFR_FB_NONE
, PFR_FB_MATCH
, PFR_FB_ADDED
, PFR_FB_DELETED
,
754 PFR_FB_CHANGED
, PFR_FB_CLEARED
, PFR_FB_DUPLICATE
,
755 PFR_FB_NOTMATCH
, PFR_FB_CONFLICT
, PFR_FB_MAX
};
759 struct in_addr _pfra_ip4addr
;
760 struct in6_addr _pfra_ip6addr
;
767 #define pfra_ip4addr pfra_u._pfra_ip4addr
768 #define pfra_ip6addr pfra_u._pfra_ip6addr
770 enum { PFR_DIR_IN
, PFR_DIR_OUT
, PFR_DIR_MAX
};
771 enum { PFR_OP_BLOCK
, PFR_OP_PASS
, PFR_OP_ADDR_MAX
, PFR_OP_TABLE_MAX
};
772 #define PFR_OP_XPASS PFR_OP_ADDR_MAX
775 struct pfr_addr pfras_a
;
776 u_int64_t pfras_packets
[PFR_DIR_MAX
][PFR_OP_ADDR_MAX
];
777 u_int64_t pfras_bytes
[PFR_DIR_MAX
][PFR_OP_ADDR_MAX
];
781 enum { PFR_REFCNT_RULE
, PFR_REFCNT_ANCHOR
, PFR_REFCNT_MAX
};
784 struct pfr_table pfrts_t
;
785 u_int64_t pfrts_packets
[PFR_DIR_MAX
][PFR_OP_TABLE_MAX
];
786 u_int64_t pfrts_bytes
[PFR_DIR_MAX
][PFR_OP_TABLE_MAX
];
787 u_int64_t pfrts_match
;
788 u_int64_t pfrts_nomatch
;
791 int pfrts_refcnt
[PFR_REFCNT_MAX
];
793 #define pfrts_name pfrts_t.pfrt_name
794 #define pfrts_flags pfrts_t.pfrt_flags
796 SLIST_HEAD(pfr_kentryworkq
, pfr_kentry
);
798 struct radix_node pfrke_node
[2];
799 union sockaddr_union pfrke_sa
;
800 u_int64_t pfrke_packets
[PFR_DIR_MAX
][PFR_OP_ADDR_MAX
];
801 u_int64_t pfrke_bytes
[PFR_DIR_MAX
][PFR_OP_ADDR_MAX
];
802 SLIST_ENTRY(pfr_kentry
) pfrke_workq
;
810 SLIST_HEAD(pfr_ktableworkq
, pfr_ktable
);
811 RB_HEAD(pfr_ktablehead
, pfr_ktable
);
813 struct pfr_tstats pfrkt_ts
;
814 RB_ENTRY(pfr_ktable
) pfrkt_tree
;
815 SLIST_ENTRY(pfr_ktable
) pfrkt_workq
;
816 struct radix_node_head
*pfrkt_ip4
;
817 struct radix_node_head
*pfrkt_ip6
;
818 struct pfr_ktable
*pfrkt_shadow
;
819 struct pfr_ktable
*pfrkt_root
;
820 struct pf_ruleset
*pfrkt_rs
;
824 #define pfrkt_t pfrkt_ts.pfrts_t
825 #define pfrkt_name pfrkt_t.pfrt_name
826 #define pfrkt_anchor pfrkt_t.pfrt_anchor
827 #define pfrkt_ruleset pfrkt_t.pfrt_ruleset
828 #define pfrkt_flags pfrkt_t.pfrt_flags
829 #define pfrkt_cnt pfrkt_ts.pfrts_cnt
830 #define pfrkt_refcnt pfrkt_ts.pfrts_refcnt
831 #define pfrkt_packets pfrkt_ts.pfrts_packets
832 #define pfrkt_bytes pfrkt_ts.pfrts_bytes
833 #define pfrkt_match pfrkt_ts.pfrts_match
834 #define pfrkt_nomatch pfrkt_ts.pfrts_nomatch
835 #define pfrkt_tzero pfrkt_ts.pfrts_tzero
837 RB_HEAD(pf_state_tree_lan_ext
, pf_state
);
838 RB_PROTOTYPE(pf_state_tree_lan_ext
, pf_state
,
839 u
.s
.entry_lan_ext
, pf_state_compare_lan_ext
);
841 RB_HEAD(pf_state_tree_ext_gwy
, pf_state
);
842 RB_PROTOTYPE(pf_state_tree_ext_gwy
, pf_state
,
843 u
.s
.entry_ext_gwy
, pf_state_compare_ext_gwy
);
846 char pfif_name
[IFNAMSIZ
];
847 u_int64_t pfif_packets
[2][2][2];
848 u_int64_t pfif_bytes
[2][2][2];
849 u_int64_t pfif_addcnt
;
850 u_int64_t pfif_delcnt
;
857 TAILQ_HEAD(pfi_grouphead
, pfi_kif
);
858 TAILQ_HEAD(pfi_statehead
, pfi_kif
);
859 RB_HEAD(pfi_ifhead
, pfi_kif
);
861 struct pfi_if pfik_if
;
862 RB_ENTRY(pfi_kif
) pfik_tree
;
863 struct pf_state_tree_lan_ext pfik_lan_ext
;
864 struct pf_state_tree_ext_gwy pfik_ext_gwy
;
865 struct pfi_grouphead pfik_grouphead
;
866 TAILQ_ENTRY(pfi_kif
) pfik_instances
;
867 TAILQ_ENTRY(pfi_kif
) pfik_w_states
;
868 struct hook_desc_head
*pfik_ah_head
;
869 void *pfik_ah_cookie
;
870 struct pfi_kif
*pfik_parent
;
871 struct ifnet
*pfik_ifp
;
875 #define pfik_name pfik_if.pfif_name
876 #define pfik_packets pfik_if.pfif_packets
877 #define pfik_bytes pfik_if.pfif_bytes
878 #define pfik_tzero pfik_if.pfif_tzero
879 #define pfik_flags pfik_if.pfif_flags
880 #define pfik_addcnt pfik_if.pfif_addcnt
881 #define pfik_delcnt pfik_if.pfif_delcnt
882 #define pfik_states pfik_if.pfif_states
883 #define pfik_rules pfik_if.pfif_rules
885 #define PFI_IFLAG_GROUP 0x0001 /* group of interfaces */
886 #define PFI_IFLAG_INSTANCE 0x0002 /* single instance */
887 #define PFI_IFLAG_CLONABLE 0x0010 /* clonable group */
888 #define PFI_IFLAG_DYNAMIC 0x0020 /* dynamic group */
889 #define PFI_IFLAG_ATTACHED 0x0040 /* interface attached */
890 #define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */
893 u_int64_t tot_len
; /* Make Mickey money */
899 struct icmp6_hdr
*icmp6
;
903 struct pf_addr baddr
; /* address before translation */
904 struct pf_addr naddr
; /* address after translation */
905 struct pf_rule
*nat_rule
; /* nat/rdr rule applied to packet */
909 u_int32_t p_len
; /* total length of payload */
910 u_int16_t flags
; /* Let SCRUB trigger behavior in
911 * state code. Easier than tags */
912 #define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
918 /* flags for RDR options */
919 #define PF_DPORT_RANGE 0x01 /* Dest port uses range */
920 #define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */
922 /* Reasons code for passing/dropping a packet */
923 #define PFRES_MATCH 0 /* Explicit match of a rule */
924 #define PFRES_BADOFF 1 /* Bad offset for pull_hdr */
925 #define PFRES_FRAG 2 /* Dropping following fragment */
926 #define PFRES_SHORT 3 /* Dropping short packet */
927 #define PFRES_NORM 4 /* Dropping by normalizer */
928 #define PFRES_MEMORY 5 /* Dropped due to lacking mem */
929 #define PFRES_MAX 6 /* total+1 */
931 #define PFRES_NAMES { \
941 /* UDP state enumeration */
942 #define PFUDPS_NO_TRAFFIC 0
943 #define PFUDPS_SINGLE 1
944 #define PFUDPS_MULTIPLE 2
946 #define PFUDPS_NSTATES 3 /* number of state levels */
948 #define PFUDPS_NAMES { \
955 /* Other protocol state enumeration */
956 #define PFOTHERS_NO_TRAFFIC 0
957 #define PFOTHERS_SINGLE 1
958 #define PFOTHERS_MULTIPLE 2
960 #define PFOTHERS_NSTATES 3 /* number of state levels */
962 #define PFOTHERS_NAMES { \
969 #define FCNT_STATE_SEARCH 0
970 #define FCNT_STATE_INSERT 1
971 #define FCNT_STATE_REMOVALS 2
974 #define SCNT_SRC_NODE_SEARCH 0
975 #define SCNT_SRC_NODE_INSERT 1
976 #define SCNT_SRC_NODE_REMOVALS 2
979 #define ACTION_SET(a, x) \
985 #define REASON_SET(a, x) \
990 pf_status.counters[x]++; \
994 u_int64_t counters
[PFRES_MAX
];
995 u_int64_t fcounters
[FCNT_MAX
];
996 u_int64_t scounters
[SCNT_MAX
];
997 u_int64_t pcounters
[2][2][3];
998 u_int64_t bcounters
[2][2];
1002 u_int32_t src_nodes
;
1006 char ifname
[IFNAMSIZ
];
1026 /* real-time service curve */
1027 u_int rtsc_m1
; /* slope of the 1st segment in bps */
1028 u_int rtsc_d
; /* the x-projection of m1 in msec */
1029 u_int rtsc_m2
; /* slope of the 2nd segment in bps */
1030 /* link-sharing service curve */
1034 /* upper-limit service curve */
1042 * XXX this needs some work
1045 u_int nbuckets
; /* hash buckets */
1046 u_int hogs_m1
; /* hog detection bandwidth */
1049 /* link-sharing service curve */
1056 char ifname
[IFNAMSIZ
];
1058 void *altq_disc
; /* discipline-specific state */
1059 TAILQ_ENTRY(pf_altq
) entries
;
1061 /* scheduler spec */
1062 u_int8_t scheduler
; /* scheduler type */
1063 u_int16_t tbrsize
; /* tokenbucket regulator size */
1064 u_int32_t ifbandwidth
; /* interface bandwidth */
1067 char qname
[PF_QNAME_SIZE
]; /* queue name */
1068 char parent
[PF_QNAME_SIZE
]; /* parent name */
1069 u_int32_t parent_qid
; /* parent queue id */
1070 u_int32_t bandwidth
; /* queue bandwidth */
1071 u_int8_t priority
; /* priority */
1072 u_int16_t qlimit
; /* queue size limit */
1073 u_int16_t flags
; /* misc flags */
1075 struct cbq_opts cbq_opts
;
1076 struct priq_opts priq_opts
;
1077 struct hfsc_opts hfsc_opts
;
1078 struct fairq_opts fairq_opts
;
1081 u_int32_t qid
; /* return value */
1085 TAILQ_ENTRY(pf_tagname
) entries
;
1086 char name
[PF_TAG_NAME_SIZE
];
1091 #define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */
1092 #define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */
1093 #define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */
1094 #define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */
1097 * ioctl parameter structures
1100 struct pfioc_pooladdr
{
1108 char anchor
[PF_ANCHOR_NAME_SIZE
];
1109 char ruleset
[PF_RULESET_NAME_SIZE
];
1110 struct pf_pooladdr addr
;
1116 u_int32_t pool_ticket
;
1118 char anchor
[PF_ANCHOR_NAME_SIZE
];
1119 char ruleset
[PF_RULESET_NAME_SIZE
];
1120 struct pf_rule rule
;
1123 struct pfioc_natlook
{
1124 struct pf_addr saddr
;
1125 struct pf_addr daddr
;
1126 struct pf_addr rsaddr
;
1127 struct pf_addr rdaddr
;
1137 struct pfioc_state
{
1139 struct pf_state state
;
1142 struct pfioc_state_kill
{
1143 /* XXX returns the number of states killed in psk_af */
1146 struct pf_rule_addr psk_src
;
1147 struct pf_rule_addr psk_dst
;
1148 char psk_ifname
[IFNAMSIZ
];
1151 struct pfioc_states
{
1155 struct pf_state
*psu_states
;
1157 #define ps_buf ps_u.psu_buf
1158 #define ps_states ps_u.psu_states
1161 struct pfioc_src_nodes
{
1165 struct pf_src_node
*psu_src_nodes
;
1167 #define psn_buf psn_u.psu_buf
1168 #define psn_src_nodes psn_u.psu_src_nodes
1172 char ifname
[IFNAMSIZ
];
1180 struct pfioc_limit
{
1189 struct pf_altq altq
;
1192 struct pfioc_qstats
{
1200 struct pfioc_anchor
{
1202 char name
[PF_ANCHOR_NAME_SIZE
];
1205 struct pfioc_ruleset
{
1207 char anchor
[PF_ANCHOR_NAME_SIZE
];
1208 char name
[PF_RULESET_NAME_SIZE
];
1211 #define PF_RULESET_ALTQ (PF_RULESET_MAX)
1212 #define PF_RULESET_TABLE (PF_RULESET_MAX+1)
1213 struct pfioc_trans
{
1214 int size
; /* number of elements */
1215 int esize
; /* size of each element in bytes */
1216 struct pfioc_trans_e
{
1218 char anchor
[PF_ANCHOR_NAME_SIZE
];
1219 char ruleset
[PF_RULESET_NAME_SIZE
];
1224 #define PFR_FLAG_ATOMIC 0x00000001
1225 #define PFR_FLAG_DUMMY 0x00000002
1226 #define PFR_FLAG_FEEDBACK 0x00000004
1227 #define PFR_FLAG_CLSTATS 0x00000008
1228 #define PFR_FLAG_ADDRSTOO 0x00000010
1229 #define PFR_FLAG_REPLACE 0x00000020
1230 #define PFR_FLAG_ALLRSETS 0x00000040
1231 #define PFR_FLAG_ALLMASK 0x0000007F
1233 #define PFR_FLAG_USERIOCTL 0x10000000
1236 struct pfioc_table
{
1237 struct pfr_table pfrio_table
;
1246 u_int32_t pfrio_ticket
;
1248 #define pfrio_exists pfrio_nadd
1249 #define pfrio_nzero pfrio_nadd
1250 #define pfrio_nmatch pfrio_nadd
1251 #define pfrio_naddr pfrio_size2
1252 #define pfrio_setflag pfrio_size2
1253 #define pfrio_clrflag pfrio_nadd
1256 #define PFI_FLAG_GROUP 0x0001 /* gets groups of interfaces */
1257 #define PFI_FLAG_INSTANCE 0x0002 /* gets single interfaces */
1258 #define PFI_FLAG_ALLMASK 0x0003
1260 struct pfioc_iface
{
1261 char pfiio_name
[IFNAMSIZ
];
1274 #define DIOCSTART _IO ('D', 1)
1275 #define DIOCSTOP _IO ('D', 2)
1276 #define DIOCBEGINRULES _IOWR('D', 3, struct pfioc_rule)
1277 #define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule)
1278 #define DIOCCOMMITRULES _IOWR('D', 5, struct pfioc_rule)
1279 #define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule)
1280 #define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule)
1281 /* XXX cut 8 - 17 */
1282 #define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill)
1283 #define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state)
1284 #define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)
1285 #define DIOCGETSTATUS _IOWR('D', 21, struct pf_status)
1286 #define DIOCCLRSTATUS _IO ('D', 22)
1287 #define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
1288 #define DIOCSETDEBUG _IOWR('D', 24, u_int32_t)
1289 #define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states)
1290 #define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule)
1291 /* XXX cut 26 - 28 */
1292 #define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm)
1293 #define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm)
1294 #define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state)
1295 #define DIOCCLRRULECTRS _IO ('D', 38)
1296 #define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit)
1297 #define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit)
1298 #define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill)
1299 #define DIOCSTARTALTQ _IO ('D', 42)
1300 #define DIOCSTOPALTQ _IO ('D', 43)
1301 #define DIOCBEGINALTQS _IOWR('D', 44, u_int32_t)
1302 #define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq)
1303 #define DIOCCOMMITALTQS _IOWR('D', 46, u_int32_t)
1304 #define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq)
1305 #define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq)
1306 #define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq)
1307 #define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats)
1308 #define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr)
1309 #define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr)
1310 #define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr)
1311 #define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr)
1312 #define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr)
1313 #define DIOCGETANCHORS _IOWR('D', 56, struct pfioc_anchor)
1314 #define DIOCGETANCHOR _IOWR('D', 57, struct pfioc_anchor)
1315 #define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset)
1316 #define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset)
1317 #define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table)
1318 #define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table)
1319 #define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table)
1320 #define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table)
1321 #define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table)
1322 #define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table)
1323 #define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table)
1324 #define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table)
1325 #define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table)
1326 #define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table)
1327 #define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table)
1328 #define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table)
1329 #define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table)
1330 #define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table)
1331 #define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table)
1332 #define DIOCRINABEGIN _IOWR('D', 75, struct pfioc_table)
1333 #define DIOCRINACOMMIT _IOWR('D', 76, struct pfioc_table)
1334 #define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table)
1335 #define DIOCOSFPFLUSH _IO('D', 78)
1336 #define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl)
1337 #define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
1338 #define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
1339 #define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
1340 #define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
1341 #define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
1342 #define DIOCCLRSRCNODES _IO('D', 85)
1343 #define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
1344 #define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
1345 #define DIOCICLRISTATS _IOWR('D', 88, struct pfioc_iface)
1347 char ifname
[IFNAMSIZ
];
1350 #define DIOCGIFSPEED _IOWR('D', 89, struct pf_ifspeed)
1353 RB_HEAD(pf_src_tree
, pf_src_node
);
1354 RB_PROTOTYPE(pf_src_tree
, pf_src_node
, entry
, pf_src_compare
);
1355 extern struct pf_src_tree tree_src_tracking
;
1357 RB_HEAD(pf_state_tree_id
, pf_state
);
1358 RB_PROTOTYPE(pf_state_tree_id
, pf_state
,
1359 entry_id
, pf_state_compare_id
);
1360 extern struct pf_state_tree_id tree_id
;
1361 extern struct pf_state_queue state_updates
;
1363 extern struct pf_anchorqueue pf_anchors
;
1364 extern struct pf_ruleset pf_main_ruleset
;
1365 TAILQ_HEAD(pf_poolqueue
, pf_pool
);
1366 extern struct pf_poolqueue pf_pools
[2];
1367 TAILQ_HEAD(pf_altqqueue
, pf_altq
);
1368 extern struct pf_altqqueue pf_altqs
[2];
1369 extern struct pf_palist pf_pabuf
;
1370 extern struct pfi_kif
**pfi_index2kif
;
1372 extern u_int32_t ticket_altqs_active
;
1373 extern u_int32_t ticket_altqs_inactive
;
1374 extern int altqs_inactive_open
;
1375 extern u_int32_t ticket_pabuf
;
1376 extern struct pf_altqqueue
*pf_altqs_active
;
1377 extern struct pf_altqqueue
*pf_altqs_inactive
;
1378 extern struct pf_poolqueue
*pf_pools_active
;
1379 extern struct pf_poolqueue
*pf_pools_inactive
;
1380 extern int pf_tbladdr_setup(struct pf_ruleset
*,
1381 struct pf_addr_wrap
*);
1382 extern void pf_tbladdr_remove(struct pf_addr_wrap
*);
1383 extern void pf_tbladdr_copyout(struct pf_addr_wrap
*);
1384 extern void pf_calc_skip_steps(struct pf_rulequeue
*);
1385 extern void pf_update_anchor_rules(void);
1386 extern vm_zone_t pf_src_tree_pl
, pf_rule_pl
;
1387 extern vm_zone_t pf_state_pl
, pf_altq_pl
, pf_pooladdr_pl
;
1388 extern vm_zone_t pfr_ktable_pl
, pfr_kentry_pl
;
1389 extern vm_zone_t pf_cache_pl
, pf_cent_pl
;
1390 extern vm_zone_t pf_state_scrub_pl
;
1391 extern vm_zone_t pfi_addr_pl
;
1392 extern void pf_purge_timeout(void *);
1393 extern void pf_purge_expired_src_nodes(void);
1394 extern void pf_purge_expired_states(void);
1395 extern int pf_insert_state(struct pfi_kif
*,
1397 extern int pf_insert_src_node(struct pf_src_node
**,
1398 struct pf_rule
*, struct pf_addr
*,
1400 void pf_src_tree_remove_state(struct pf_state
*);
1401 extern struct pf_state
*pf_find_state_byid(struct pf_state
*);
1402 extern struct pf_state
*pf_find_state_all(struct pf_state
*key
,
1403 u_int8_t tree
, int *more
);
1404 extern struct pf_anchor
*pf_find_anchor(const char *);
1405 extern struct pf_ruleset
*pf_find_ruleset(char *, char *);
1406 extern struct pf_ruleset
*pf_find_or_create_ruleset(
1407 char[PF_ANCHOR_NAME_SIZE
],
1408 char[PF_RULESET_NAME_SIZE
]);
1409 extern void pf_remove_if_empty_ruleset(
1410 struct pf_ruleset
*);
1412 extern struct ifnet
*sync_ifp
;
1413 extern struct pf_rule pf_default_rule
;
1414 extern void pf_addrcpy(struct pf_addr
*, struct pf_addr
*,
1416 void pf_rm_rule(struct pf_rulequeue
*,
1420 int pf_test(int, struct ifnet
*, struct mbuf
**);
1424 int pf_test6(int, struct ifnet
*, struct mbuf
**);
1425 void pf_poolmask(struct pf_addr
*, struct pf_addr
*,
1426 struct pf_addr
*, struct pf_addr
*, u_int8_t
);
1427 void pf_addr_inc(struct pf_addr
*, sa_family_t
);
1430 void *pf_pull_hdr(struct mbuf
*, int, void *, int, u_short
*, u_short
*,
1432 void pf_change_a(void *, u_int16_t
*, u_int32_t
, u_int8_t
);
1433 int pflog_packet(struct pfi_kif
*, struct mbuf
*, sa_family_t
, u_int8_t
,
1434 u_int8_t
, struct pf_rule
*, struct pf_rule
*, struct pf_ruleset
*);
1435 int pf_match_addr(u_int8_t
, struct pf_addr
*, struct pf_addr
*,
1436 struct pf_addr
*, sa_family_t
);
1437 int pf_match(u_int8_t
, u_int32_t
, u_int32_t
, u_int32_t
);
1438 int pf_match_port(u_int8_t
, u_int16_t
, u_int16_t
, u_int16_t
);
1439 int pf_match_uid(u_int8_t
, uid_t
, uid_t
, uid_t
);
1440 int pf_match_gid(u_int8_t
, gid_t
, gid_t
, gid_t
);
1442 void pf_normalize_init(void);
1443 int pf_normalize_ip(struct mbuf
**, int, struct pfi_kif
*, u_short
*);
1444 int pf_normalize_ip6(struct mbuf
**, int, struct pfi_kif
*, u_short
*);
1445 int pf_normalize_tcp(int, struct pfi_kif
*, struct mbuf
*, int, int, void *,
1447 void pf_normalize_tcp_cleanup(struct pf_state
*);
1448 int pf_normalize_tcp_init(struct mbuf
*, int, struct pf_pdesc
*,
1449 struct tcphdr
*, struct pf_state_peer
*, struct pf_state_peer
*);
1450 int pf_normalize_tcp_stateful(struct mbuf
*, int, struct pf_pdesc
*,
1451 u_short
*, struct tcphdr
*, struct pf_state_peer
*,
1452 struct pf_state_peer
*, int *);
1454 pf_state_expires(const struct pf_state
*);
1455 void pf_purge_expired_fragments(void);
1456 int pf_routable(struct pf_addr
*addr
, sa_family_t af
);
1457 void pfr_initialize(void);
1458 int pfr_match_addr(struct pfr_ktable
*, struct pf_addr
*, sa_family_t
);
1459 void pfr_update_stats(struct pfr_ktable
*, struct pf_addr
*, sa_family_t
,
1460 u_int64_t
, int, int, int);
1461 int pfr_pool_get(struct pfr_ktable
*, int *, struct pf_addr
*,
1462 struct pf_addr
**, struct pf_addr
**, sa_family_t
);
1463 void pfr_dynaddr_update(struct pfr_ktable
*, struct pfi_dynaddr
*);
1465 pfr_attach_table(struct pf_ruleset
*, char *);
1466 void pfr_detach_table(struct pfr_ktable
*);
1467 int pfr_clr_tables(struct pfr_table
*, int *, int);
1468 int pfr_add_tables(struct pfr_table
*, int, int *, int);
1469 int pfr_del_tables(struct pfr_table
*, int, int *, int);
1470 int pfr_get_tables(struct pfr_table
*, struct pfr_table
*, int *, int);
1471 int pfr_get_tstats(struct pfr_table
*, struct pfr_tstats
*, int *, int);
1472 int pfr_clr_tstats(struct pfr_table
*, int, int *, int);
1473 int pfr_set_tflags(struct pfr_table
*, int, int, int, int *, int *, int);
1474 int pfr_clr_addrs(struct pfr_table
*, int *, int);
1475 int pfr_add_addrs(struct pfr_table
*, struct pfr_addr
*, int, int *,
1477 int pfr_del_addrs(struct pfr_table
*, struct pfr_addr
*, int, int *,
1479 int pfr_set_addrs(struct pfr_table
*, struct pfr_addr
*, int, int *,
1480 int *, int *, int *, int);
1481 int pfr_get_addrs(struct pfr_table
*, struct pfr_addr
*, int *, int);
1482 int pfr_get_astats(struct pfr_table
*, struct pfr_astats
*, int *, int);
1483 int pfr_clr_astats(struct pfr_table
*, struct pfr_addr
*, int, int *,
1485 int pfr_tst_addrs(struct pfr_table
*, struct pfr_addr
*, int, int *,
1487 int pfr_ina_begin(struct pfr_table
*, u_int32_t
*, int *, int);
1488 int pfr_ina_rollback(struct pfr_table
*, u_int32_t
, int *, int);
1489 int pfr_ina_commit(struct pfr_table
*, u_int32_t
, int *, int *, int);
1490 int pfr_ina_define(struct pfr_table
*, struct pfr_addr
*, int, int *,
1491 int *, u_int32_t
, int);
1493 void pfi_initialize(void);
1494 void pfi_cleanup(void);
1495 void pfi_attach_clone(struct if_clone
*);
1496 void pfi_attach_ifnet(struct ifnet
*);
1497 void pfi_detach_ifnet(struct ifnet
*);
1498 struct pfi_kif
*pfi_lookup_create(const char *);
1499 struct pfi_kif
*pfi_lookup_if(const char *);
1500 int pfi_maybe_destroy(struct pfi_kif
*);
1501 struct pfi_kif
*pfi_attach_rule(const char *);
1502 void pfi_detach_rule(struct pfi_kif
*);
1503 void pfi_attach_state(struct pfi_kif
*);
1504 void pfi_detach_state(struct pfi_kif
*);
1505 int pfi_dynaddr_setup(struct pf_addr_wrap
*, sa_family_t
);
1506 void pfi_dynaddr_copyout(struct pf_addr_wrap
*);
1507 void pfi_dynaddr_remove(struct pf_addr_wrap
*);
1508 void pfi_fill_oldstatus(struct pf_status
*);
1509 int pfi_clr_istats(const char *, int *, int);
1510 int pfi_get_ifaces(const char *, struct pfi_if
*, int *, int);
1511 int pfi_match_addr(struct pfi_dynaddr
*, struct pf_addr
*,
1514 extern struct pfi_statehead pfi_statehead
;
1516 u_int16_t
pf_tagname2tag(char *);
1517 void pf_tag2tagname(u_int16_t
, char *);
1518 void pf_tag_unref(u_int16_t
);
1519 void pf_tag_packet(struct mbuf
*, int);
1520 u_int32_t
pf_qname2qid(char *);
1521 void pf_qid2qname(u_int32_t
, char *);
1522 void pf_qid_unref(u_int32_t
);
1524 extern struct pf_status pf_status
;
1525 extern vm_zone_t pf_frent_pl
, pf_frag_pl
;
1527 struct pf_pool_limit
{
1531 extern struct pf_pool_limit pf_pool_limits
[PF_LIMIT_MAX
];
1534 LIST_ENTRY(pf_frent
) fr_next
;
1540 LIST_ENTRY(pf_frcache
) fr_next
;
1545 struct pf_fragment
{
1546 RB_ENTRY(pf_fragment
) fr_entry
;
1547 TAILQ_ENTRY(pf_fragment
) frag_next
;
1548 struct in_addr fr_src
;
1549 struct in_addr fr_dst
;
1550 u_int8_t fr_p
; /* protocol of this fragment */
1551 u_int8_t fr_flags
; /* status flags */
1552 u_int16_t fr_id
; /* fragment id for reassemble */
1553 u_int16_t fr_max
; /* fragment data max */
1554 u_int32_t fr_timeout
;
1555 #define fr_queue fr_u.fru_queue
1556 #define fr_cache fr_u.fru_cache
1558 LIST_HEAD(pf_fragq
, pf_frent
) fru_queue
; /* buffering */
1559 LIST_HEAD(pf_cacheq
, pf_frcache
) fru_cache
; /* non-buf */
1562 #endif /* _KERNEL */
1564 /* The fingerprint functions can be linked into userland programs (tcpdump) */
1565 int pf_osfp_add(struct pf_osfp_ioctl
*);
1567 struct pf_osfp_enlist
*
1568 pf_osfp_fingerprint(struct pf_pdesc
*, struct mbuf
*, int,
1569 const struct tcphdr
*);
1570 #endif /* _KERNEL */
1571 struct pf_osfp_enlist
*
1572 pf_osfp_fingerprint_hdr(const struct ip
*, const struct tcphdr
*);
1573 void pf_osfp_flush(void);
1574 int pf_osfp_get(struct pf_osfp_ioctl
*);
1575 int pf_osfp_initialize(void);
1576 void pf_osfp_cleanup(void);
1577 int pf_osfp_match(struct pf_osfp_enlist
*, pf_osfp_t
);
1578 struct pf_os_fingerprint
*
1579 pf_osfp_validate(void);
1582 #endif /* _NET_PFVAR_H_ */