1/* $FreeBSD: head/sys/contrib/pf/net/pfvar.h 171168 2007-07-03 12:16:07Z mlaier $ */
2/* $OpenBSD: pfvar.h,v 1.244 2007/02/23 21:31:51 deraadt Exp $ */
3
4/*
5 * Copyright (c) 2001 Daniel Hartmeier
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
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33
34#ifndef _NET_PFVAR_H_
35#define _NET_PFVAR_H_
36
37#include <sys/param.h>
38#include <sys/types.h>
39#include <sys/queue.h>
40#include <sys/tree.h>
41#ifdef __FreeBSD__
42#include <sys/lock.h>
43#include <sys/sx.h>
44#else
45#include <sys/rwlock.h>
46#endif
47
48#include <net/radix.h>
49#include <net/route.h>
50#ifdef __FreeBSD__
51#include <net/if_clone.h>
52#include <net/pf_mtag.h>
53#include <vm/uma.h>
54#else
55#include <netinet/ip_ipsp.h>
56#endif
57
58#ifdef __FreeBSD__
59#include <netinet/in.h>
60#endif
61
62#include <netinet/tcp_fsm.h>
63
64struct ip;
65struct ip6_hdr;
66#ifdef __FreeBSD__
67struct inpcb;
68#endif
69
70#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0)
71#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1)
72
73#define PF_MD5_DIGEST_LENGTH 16
74#ifdef MD5_DIGEST_LENGTH
75#if PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH
76#error
77#endif
78#endif
79
80enum { PF_INOUT, PF_IN, PF_OUT };
81enum { PF_LAN_EXT, PF_EXT_GWY, PF_ID };
82enum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT,
83 PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP };
84enum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT,
85 PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX };
86enum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT,
87 PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG };
88enum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY };
89enum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL,
90 PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER,
91 PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET };
92enum { PF_GET_NONE, PF_GET_CLR_CNTR };
93
94/*
95 * Note about PFTM_*: real indices into pf_rule.timeout[] come before
96 * PFTM_MAX, special cases afterwards. See pf_state_expires().
97 */
98enum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED,
99 PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED,
100 PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE,
101 PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY,
102 PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE,
103 PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL,
104 PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE,
105 PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNLINKED,
106 PFTM_UNTIL_PACKET };
107
108/* PFTM default values */
109#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */
110#define PFTM_TCP_OPENING_VAL 30 /* No response yet */
111#define PFTM_TCP_ESTABLISHED_VAL 24*60*60/* Established */
112#define PFTM_TCP_CLOSING_VAL 15 * 60 /* Half closed */
113#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */
114#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */
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121#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */
122#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */
123#define PFTM_FRAG_VAL 30 /* Fragment expire */
124#define PFTM_INTERVAL_VAL 10 /* Expire interval */
125#define PFTM_SRC_NODE_VAL 0 /* Source tracking */
126#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */
127
128enum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO };
129enum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS,
130 PF_LIMIT_TABLES, PF_LIMIT_TABLE_ENTRIES, PF_LIMIT_MAX };
131#define PF_POOL_IDMASK 0x0f
132enum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM,
133 PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN };
134enum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL,
135 PF_ADDR_TABLE, PF_ADDR_RTLABEL, PF_ADDR_URPFFAILED };
136#define PF_POOL_TYPEMASK 0x0f
137#define PF_POOL_STICKYADDR 0x20
138#define PF_WSCALE_FLAG 0x80
139#define PF_WSCALE_MASK 0x0f
140
141#define PF_LOG 0x01
142#define PF_LOG_ALL 0x02
143#define PF_LOG_SOCKET_LOOKUP 0x04
144
145struct pf_addr {
146 union {
147 struct in_addr v4;
148 struct in6_addr v6;
149 u_int8_t addr8[16];
150 u_int16_t addr16[8];
151 u_int32_t addr32[4];
152 } pfa; /* 128-bit address */
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187 } p;
188 u_int8_t type; /* PF_ADDR_* */
189 u_int8_t iflags; /* PFI_AFLAG_* */
190};
191
192#ifdef _KERNEL
193
194struct pfi_dynaddr {
195 TAILQ_ENTRY(pfi_dynaddr) entry;
196 struct pf_addr pfid_addr4;
197 struct pf_addr pfid_mask4;
198 struct pf_addr pfid_addr6;
199 struct pf_addr pfid_mask6;
200 struct pfr_ktable *pfid_kt;
201 struct pfi_kif *pfid_kif;
202 void *pfid_hook_cookie;
203 int pfid_net; /* mask or 128 */
204 int pfid_acnt4; /* address count IPv4 */
205 int pfid_acnt6; /* address count IPv6 */
206 sa_family_t pfid_af; /* rule af */
207 u_int8_t pfid_iflags; /* PFI_AFLAG_* */
208};
209
210/*
211 * Address manipulation macros
212 */
213
214#ifdef __FreeBSD__
215#define splsoftnet() splnet()
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265#define PFSYNC_MODVER 1
266
267#define PFLOG_MINVER 1
268#define PFLOG_PREFVER PFLOG_MODVER
269#define PFLOG_MAXVER 1
270#define PFSYNC_MINVER 1
271#define PFSYNC_PREFVER PFSYNC_MODVER
272#define PFSYNC_MAXVER 1
273#endif /* __FreeBSD__ */
274
275#ifdef INET
276#ifndef INET6
277#define PF_INET_ONLY
278#endif /* ! INET6 */
279#endif /* INET */
280
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396 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
397 (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \
398 } while (0)
399
400#endif /* PF_INET_ONLY */
401#endif /* PF_INET6_ONLY */
402#endif /* PF_INET_INET6 */
403
404#define PF_MISMATCHAW(aw, x, af, neg, ifp) \
405 ( \
406 (((aw)->type == PF_ADDR_NOROUTE && \
407 pf_routable((x), (af), NULL)) || \
408 (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \
409 pf_routable((x), (af), (ifp))) || \
410 ((aw)->type == PF_ADDR_RTLABEL && \
411 !pf_rtlabel_match((x), (af), (aw))) || \
412 ((aw)->type == PF_ADDR_TABLE && \
413 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
414 ((aw)->type == PF_ADDR_DYNIFTL && \
415 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
416 ((aw)->type == PF_ADDR_ADDRMASK && \
417 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
418 !PF_MATCHA(0, &(aw)->v.a.addr, \
419 &(aw)->v.a.mask, (x), (af))))) != \
420 (neg) \
421 )
422
423
424struct pf_rule_uid {
425 uid_t uid[2];
426 u_int8_t op;
427};
428
429struct pf_rule_gid {
430 uid_t gid[2];
431 u_int8_t op;
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533#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */
534#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */
535#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */
536#define PF_OSFP_MSS 0x0200 /* TCP MSS */
537#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */
538#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */
539#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */
540#define PF_OSFP_TS0 0x2000 /* Zero timestamp */
541#define PF_OSFP_INET6 0x4000 /* IPv6 */
542 u_int8_t fp_optcnt; /* TCP option count */
543 u_int8_t fp_wscale; /* TCP window scaling */
544 u_int8_t fp_ttl; /* IPv4 TTL */
545#define PF_OSFP_MAXTTL_OFFSET 40
546/* TCP options packing */
547#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */
548#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */
549#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */
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589#define PF_SKIP_SRC_ADDR 4
590#define PF_SKIP_SRC_PORT 5
591#define PF_SKIP_DST_ADDR 6
592#define PF_SKIP_DST_PORT 7
593#define PF_SKIP_COUNT 8
594 union pf_rule_ptr skip[PF_SKIP_COUNT];
595#define PF_RULE_LABEL_SIZE 64
596 char label[PF_RULE_LABEL_SIZE];
597#define PF_QNAME_SIZE 64
598 char ifname[IFNAMSIZ];
599 char qname[PF_QNAME_SIZE];
600 char pqname[PF_QNAME_SIZE];
601#define PF_TAG_NAME_SIZE 64
602 char tagname[PF_TAG_NAME_SIZE];
603 char match_tagname[PF_TAG_NAME_SIZE];
604
605 char overload_tblname[PF_TABLE_NAME_SIZE];
606
607 TAILQ_ENTRY(pf_rule) entries;
608 struct pf_pool rpool;
609
610 u_int64_t evaluations;
611 u_int64_t packets[2];
612 u_int64_t bytes[2];
613
614 struct pfi_kif *kif;
615 struct pf_anchor *anchor;
616 struct pfr_ktable *overload_tbl;
617
618 pf_osfp_t os_fingerprint;
619
620 int rtableid;
621 u_int32_t timeout[PFTM_MAX];
622 u_int32_t states;
623 u_int32_t max_states;
624 u_int32_t src_nodes;
625 u_int32_t max_src_nodes;
626 u_int32_t max_src_states;
627 u_int32_t max_src_conn;
628 struct {
629 u_int32_t limit;
630 u_int32_t seconds;
631 } max_src_conn_rate;
632 u_int32_t qid;
633 u_int32_t pqid;
634 u_int32_t rt_listid;
635 u_int32_t nr;
636 u_int32_t prob;
637 uid_t cuid;
638 pid_t cpid;
639
640 u_int16_t return_icmp;
641 u_int16_t return_icmp6;
642 u_int16_t max_mss;
643 u_int16_t tag;
644 u_int16_t match_tag;
645
646 struct pf_rule_uid uid;
647 struct pf_rule_gid gid;
648
649 u_int32_t rule_flag;
650 u_int8_t action;
651 u_int8_t direction;
652 u_int8_t log;
653 u_int8_t logif;
654 u_int8_t quick;
655 u_int8_t ifnot;
656 u_int8_t match_tag_not;
657 u_int8_t natpass;
658
659#define PF_STATE_NORMAL 0x1
660#define PF_STATE_MODULATE 0x2
661#define PF_STATE_SYNPROXY 0x3
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693#define PFRULE_NODF 0x0100
694#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */
695#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */
696#define PFRULE_RANDOMID 0x0800
697#define PFRULE_REASSEMBLE_TCP 0x1000
698
699/* rule flags again */
700#define PFRULE_IFBOUND 0x00010000 /* if-bound */
701
702#define PFSTATE_HIWAT 10000 /* default state table size */
703#define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */
704#define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */
705
706
707struct pf_threshold {
708 u_int32_t limit;
709#define PF_THRESHOLD_MULT 1000
710#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT
711 u_int32_t seconds;
712 u_int32_t count;
713 u_int32_t last;
714};
715
716struct pf_src_node {
717 RB_ENTRY(pf_src_node) entry;
718 struct pf_addr addr;
719 struct pf_addr raddr;
720 union pf_rule_ptr rule;
721 struct pfi_kif *kif;
722 u_int64_t bytes[2];
723 u_int64_t packets[2];
724 u_int32_t states;
725 u_int32_t conn;
726 struct pf_threshold conn_rate;
727 u_int32_t creation;
728 u_int32_t expire;
729 sa_family_t af;
730 u_int8_t ruletype;
731};
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757struct pf_state_peer {
758 u_int32_t seqlo; /* Max sequence number sent */
759 u_int32_t seqhi; /* Max the other end ACKd + win */
760 u_int32_t seqdiff; /* Sequence number modulator */
761 u_int16_t max_win; /* largest window (pre scaling) */
762 u_int8_t state; /* active state level */
763 u_int8_t wscale; /* window scaling factor */
764 u_int16_t mss; /* Maximum segment size option */
765 u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */
766 struct pf_state_scrub *scrub; /* state is scrubbed */
767 u_int8_t pad[3];
768};
769
770TAILQ_HEAD(pf_state_queue, pf_state);
771
772/* keep synced with struct pf_state, used in RB_FIND */
773struct pf_state_cmp {
774 u_int64_t id;
775 u_int32_t creatorid;
776 struct pf_state_host lan;
777 struct pf_state_host gwy;
778 struct pf_state_host ext;
779 sa_family_t af;
780 u_int8_t proto;
781 u_int8_t direction;
782 u_int8_t pad;
783};
784
785struct pf_state {
786 u_int64_t id;
787 u_int32_t creatorid;
788 struct pf_state_host lan;
789 struct pf_state_host gwy;
790 struct pf_state_host ext;
791 sa_family_t af;
792 u_int8_t proto;
793 u_int8_t direction;
794#ifdef __FreeBSD__
795 u_int8_t local_flags;
796#define PFSTATE_EXPIRING 0x01
797#else
798 u_int8_t pad;
799#endif
800 u_int8_t log;
801 u_int8_t allow_opts;
802 u_int8_t timeout;
803 u_int8_t sync_flags;
804#define PFSTATE_NOSYNC 0x01
805#define PFSTATE_FROMSYNC 0x02
806#define PFSTATE_STALE 0x04
807 union {
808 struct {
809 RB_ENTRY(pf_state) entry_lan_ext;
810 RB_ENTRY(pf_state) entry_ext_gwy;
811 RB_ENTRY(pf_state) entry_id;
812 TAILQ_ENTRY(pf_state) entry_list;
813 struct pfi_kif *kif;
814 } s;
815 char ifname[IFNAMSIZ];
816 } u;
817 struct pf_state_peer src;
818 struct pf_state_peer dst;
819 union pf_rule_ptr rule;
820 union pf_rule_ptr anchor;
821 union pf_rule_ptr nat_rule;
822 struct pf_addr rt_addr;
823 struct pfi_kif *rt_kif;
824 struct pf_src_node *src_node;
825 struct pf_src_node *nat_src_node;
826 u_int64_t packets[2];
827 u_int64_t bytes[2];
828 u_int32_t creation;
829 u_int32_t expire;
830 u_int32_t pfsync_time;
831 u_int16_t tag;
832};
833
834TAILQ_HEAD(pf_rulequeue, pf_rule);
835
836struct pf_anchor;
837
838struct pf_ruleset {
839 struct {
840 struct pf_rulequeue queues[2];
841 struct {
842 struct pf_rulequeue *ptr;
843 struct pf_rule **ptr_array;
844 u_int32_t rcount;
845 u_int32_t ticket;
846 int open;
847 } active, inactive;
848 } rules[PF_RULESET_MAX];
849 struct pf_anchor *anchor;
850 u_int32_t tticket;
851 int tables;
852 int topen;
--- 5 unchanged lines hidden (view full) ---
858 RB_ENTRY(pf_anchor) entry_global;
859 RB_ENTRY(pf_anchor) entry_node;
860 struct pf_anchor *parent;
861 struct pf_anchor_node children;
862 char name[PF_ANCHOR_NAME_SIZE];
863 char path[MAXPATHLEN];
864 struct pf_ruleset ruleset;
865 int refcnt; /* anchor rules */
866 int match;
867};
868RB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare);
869RB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare);
870
871#define PF_RESERVED_ANCHOR "_pf"
872
873#define PFR_TFLAG_PERSIST 0x00000001
874#define PFR_TFLAG_CONST 0x00000002
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984RB_HEAD(pf_state_tree_lan_ext, pf_state);
985RB_PROTOTYPE(pf_state_tree_lan_ext, pf_state,
986 u.s.entry_lan_ext, pf_state_compare_lan_ext);
987
988RB_HEAD(pf_state_tree_ext_gwy, pf_state);
989RB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state,
990 u.s.entry_ext_gwy, pf_state_compare_ext_gwy);
991
992TAILQ_HEAD(pfi_statehead, pfi_kif);
993RB_HEAD(pfi_ifhead, pfi_kif);
994
995/* keep synced with pfi_kif, used in RB_FIND */
996struct pfi_kif_cmp {
997 char pfik_name[IFNAMSIZ];
998};
999
1000struct pfi_kif {
1001 char pfik_name[IFNAMSIZ];
1002 RB_ENTRY(pfi_kif) pfik_tree;
1003 u_int64_t pfik_packets[2][2][2];
1004 u_int64_t pfik_bytes[2][2][2];
1005 u_int32_t pfik_tzero;
1006 int pfik_flags;
1007 struct pf_state_tree_lan_ext pfik_lan_ext;
1008 struct pf_state_tree_ext_gwy pfik_ext_gwy;
1009 TAILQ_ENTRY(pfi_kif) pfik_w_states;
1010#ifndef __FreeBSD__
1011 void *pfik_ah_cookie;
1012#endif
1013 struct ifnet *pfik_ifp;
1014 struct ifg_group *pfik_group;
1015 int pfik_states;
1016 int pfik_rules;
1017 TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs;
1018};
1019
1020enum pfi_kif_refs {
1021 PFI_KIF_REF_NONE,
1022 PFI_KIF_REF_STATE,
1023 PFI_KIF_REF_RULE
1024};
1025
1026#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */
1027/* XXX: revisist */
1028#define PFI_IFLAG_SETABLE_MASK 0x0100 /* setable via DIOC{SET,CLR}IFFLAG */
1029#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */
1030
1031struct pf_pdesc {
1032 struct {
1033 int done;
1034 uid_t uid;
1035 gid_t gid;
1036 pid_t pid;
1037 } lookup;
1038 u_int64_t tot_len; /* Make Mickey money */
1039 union {
1040 struct tcphdr *tcp;
1041 struct udphdr *udp;
1042 struct icmp *icmp;
1043#ifdef INET6
1044 struct icmp6_hdr *icmp6;
1045#endif /* INET6 */
1046 void *any;
1047 } hdr;
1048 struct pf_addr baddr; /* address before translation */
1049 struct pf_addr naddr; /* address after translation */
1050 struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */
1051 struct pf_addr *src;
1052 struct pf_addr *dst;
1053 struct ether_header
1054 *eh;
1055 struct pf_mtag *pf_mtag;
1056 u_int16_t *ip_sum;
1057 u_int32_t p_len; /* total length of payload */
1058 u_int16_t flags; /* Let SCRUB trigger behavior in
1059 * state code. Easier than tags */
1060#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
1061#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */
1062 sa_family_t af;
1063 u_int8_t proto;
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1188 u_int64_t stateid;
1189 u_int32_t running;
1190 u_int32_t states;
1191 u_int32_t src_nodes;
1192 u_int32_t since;
1193 u_int32_t debug;
1194 u_int32_t hostid;
1195 char ifname[IFNAMSIZ];
1196 u_int8_t pf_chksum[PF_MD5_DIGEST_LENGTH];
1197};
1198
1199struct cbq_opts {
1200 u_int minburst;
1201 u_int maxburst;
1202 u_int pktsize;
1203 u_int maxpktsize;
1204 u_int ns_per_byte;
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1251 struct cbq_opts cbq_opts;
1252 struct priq_opts priq_opts;
1253 struct hfsc_opts hfsc_opts;
1254 } pq_u;
1255
1256 u_int32_t qid; /* return value */
1257};
1258
1259#ifndef __FreeBSD__
1260
1261#define PF_TAG_GENERATED 0x01
1262#define PF_TAG_FRAGCACHE 0x02
1263#define PF_TAG_TRANSLATE_LOCALHOST 0x04
1264
1265struct pf_mtag {
1266 void *hdr; /* saved hdr pos in mbuf, for ECN */
1267 u_int rtableid; /* alternate routing table id */
1268 u_int32_t qid; /* queue id */
1269 u_int16_t tag; /* tag id */
1270 u_int8_t flags;
1271 u_int8_t routed;
1272 sa_family_t af; /* for ECN */
1273};
1274#endif
1275
1276struct pf_tag {
1277 u_int16_t tag; /* tag id */
1278};
1279
1280struct pf_tagname {
1281 TAILQ_ENTRY(pf_tagname) entries;
1282 char name[PF_TAG_NAME_SIZE];
1283 u_int16_t tag;
1284 int ref;
1285};
1286
1287#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */
1288#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */
1289#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */
1290#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */
1291
1292#define PFR_KTABLE_HIWAT 1000 /* Number of tables */
1293#define PFR_KENTRY_HIWAT 200000 /* Number of table entries */
1294#define PFR_KENTRY_HIWAT_SMALL 100000 /* Number of table entries (tiny hosts) */
1295
1296/*
1297 * ioctl parameter structures
1298 */
1299
1300struct pfioc_pooladdr {
1301 u_int32_t action;
1302 u_int32_t ticket;
1303 u_int32_t nr;
--- 29 unchanged lines hidden (view full) ---
1333 u_int8_t direction;
1334};
1335
1336struct pfioc_state {
1337 u_int32_t nr;
1338 struct pf_state state;
1339};
1340
1341struct pfioc_src_node_kill {
1342 /* XXX returns the number of src nodes killed in psnk_af */
1343 sa_family_t psnk_af;
1344 struct pf_rule_addr psnk_src;
1345 struct pf_rule_addr psnk_dst;
1346};
1347
1348struct pfioc_state_kill {
1349 /* XXX returns the number of states killed in psk_af */
1350 sa_family_t psk_af;
1351 int psk_proto;
1352 struct pf_rule_addr psk_src;
1353 struct pf_rule_addr psk_dst;
1354 char psk_ifname[IFNAMSIZ];
1355};
--- 91 unchanged lines hidden (view full) ---
1447};
1448#define pfrio_exists pfrio_nadd
1449#define pfrio_nzero pfrio_nadd
1450#define pfrio_nmatch pfrio_nadd
1451#define pfrio_naddr pfrio_size2
1452#define pfrio_setflag pfrio_size2
1453#define pfrio_clrflag pfrio_nadd
1454
1455struct pfioc_iface {
1456 char pfiio_name[IFNAMSIZ];
1457 void *pfiio_buffer;
1458 int pfiio_esize;
1459 int pfiio_size;
1460 int pfiio_nzero;
1461 int pfiio_flags;
1462};
--- 62 unchanged lines hidden (view full) ---
1525#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
1526#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
1527#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
1528#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
1529#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
1530#define DIOCCLRSRCNODES _IO('D', 85)
1531#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
1532#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
1533#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
1534#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
1535#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill)
1536#ifdef __FreeBSD__
1537struct pf_ifspeed {
1538 char ifname[IFNAMSIZ];
1539 u_int32_t baudrate;
1540};
1541#define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed)
1542#endif
1543
1544#ifdef _KERNEL
1545RB_HEAD(pf_src_tree, pf_src_node);
1546RB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare);
1547extern struct pf_src_tree tree_src_tracking;
1548
1549RB_HEAD(pf_state_tree_id, pf_state);
1550RB_PROTOTYPE(pf_state_tree_id, pf_state,
1551 entry_id, pf_state_compare_id);
1552extern struct pf_state_tree_id tree_id;
1553extern struct pf_state_queue state_list;
1554
1555TAILQ_HEAD(pf_poolqueue, pf_pool);
1556extern struct pf_poolqueue pf_pools[2];
1557TAILQ_HEAD(pf_altqqueue, pf_altq);
1558extern struct pf_altqqueue pf_altqs[2];
1559extern struct pf_palist pf_pabuf;
1560
1561extern u_int32_t ticket_altqs_active;
1562extern u_int32_t ticket_altqs_inactive;
1563extern int altqs_inactive_open;
1564extern u_int32_t ticket_pabuf;
1565extern struct pf_altqqueue *pf_altqs_active;
1566extern struct pf_altqqueue *pf_altqs_inactive;
1567extern struct pf_poolqueue *pf_pools_active;
--- 10 unchanged lines hidden (view full) ---
1578extern uma_zone_t pf_cache_pl, pf_cent_pl;
1579extern uma_zone_t pf_state_scrub_pl;
1580extern uma_zone_t pfi_addr_pl;
1581#else
1582extern struct pool pf_src_tree_pl, pf_rule_pl;
1583extern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl;
1584extern struct pool pf_state_scrub_pl;
1585#endif
1586extern void pf_purge_thread(void *);
1587extern void pf_purge_expired_src_nodes(int);
1588extern void pf_purge_expired_states(u_int32_t);
1589extern void pf_unlink_state(struct pf_state *);
1590extern void pf_free_state(struct pf_state *);
1591extern int pf_insert_state(struct pfi_kif *,
1592 struct pf_state *);
1593extern int pf_insert_src_node(struct pf_src_node **,
1594 struct pf_rule *, struct pf_addr *,
1595 sa_family_t);
1596void pf_src_tree_remove_state(struct pf_state *);
1597extern struct pf_state *pf_find_state_byid(struct pf_state_cmp *);
1598extern struct pf_state *pf_find_state_all(struct pf_state_cmp *key,
1599 u_int8_t tree, int *more);
1600extern void pf_print_state(struct pf_state *);
1601extern void pf_print_flags(u_int8_t);
1602extern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
1603 u_int8_t);
1604
1605extern struct ifnet *sync_ifp;
1606extern struct pf_rule pf_default_rule;
1607extern void pf_addrcpy(struct pf_addr *, struct pf_addr *,
1608 u_int8_t);
1609void pf_rm_rule(struct pf_rulequeue *,
--- 15 unchanged lines hidden (view full) ---
1625#else
1626int pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *);
1627#endif
1628void pf_poolmask(struct pf_addr *, struct pf_addr*,
1629 struct pf_addr *, struct pf_addr *, u_int8_t);
1630void pf_addr_inc(struct pf_addr *, sa_family_t);
1631#endif /* INET6 */
1632
1633#ifdef __FreeBSD__
1634u_int32_t pf_new_isn(struct pf_state *);
1635#endif
1636void *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *,
1637 sa_family_t);
1638void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
1639int pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t,
1640 u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *,
1641 struct pf_pdesc *);
1642int pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *,
1643 struct pf_addr *, sa_family_t);
1644int pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t);
1645int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
1646int pf_match_uid(u_int8_t, uid_t, uid_t, uid_t);
1647int pf_match_gid(u_int8_t, gid_t, gid_t, gid_t);
1648
1649void pf_normalize_init(void);
--- 7 unchanged lines hidden (view full) ---
1657int pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *,
1658 struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *);
1659int pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *,
1660 u_short *, struct tcphdr *, struct pf_state *,
1661 struct pf_state_peer *, struct pf_state_peer *, int *);
1662u_int32_t
1663 pf_state_expires(const struct pf_state *);
1664void pf_purge_expired_fragments(void);
1665int pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kif *);
1666int pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *);
1667#ifdef __FreeBSD__
1668int pf_socket_lookup(int, struct pf_pdesc *, struct inpcb *);
1669#else
1670int pf_socket_lookup(int, struct pf_pdesc *);
1671#endif
1672void pfr_initialize(void);
1673int pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t);
1674void pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t,
1675 u_int64_t, int, int, int);
1676int pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *,
1677 struct pf_addr **, struct pf_addr **, sa_family_t);
1678void pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *);
1679struct pfr_ktable *
--- 8 unchanged lines hidden (view full) ---
1688int pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
1689int pfr_clr_addrs(struct pfr_table *, int *, int);
1690int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long);
1691int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1692 int);
1693int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1694 int);
1695int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1696 int *, int *, int *, int, u_int32_t);
1697int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
1698int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
1699int pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *,
1700 int);
1701int pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1702 int);
1703int pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int);
1704int pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int);
1705int pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int);
1706int pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
1707 int *, u_int32_t, int);
1708
1709extern struct pfi_statehead pfi_statehead;
1710extern struct pfi_kif *pfi_all;
1711
1712void pfi_initialize(void);
1713#ifdef __FreeBSD__
1714void pfi_cleanup(void);
1715#endif
1716struct pfi_kif *pfi_kif_get(const char *);
1717void pfi_kif_ref(struct pfi_kif *, enum pfi_kif_refs);
1718void pfi_kif_unref(struct pfi_kif *, enum pfi_kif_refs);
1719int pfi_kif_match(struct pfi_kif *, struct pfi_kif *);
1720void pfi_attach_ifnet(struct ifnet *);
1721void pfi_detach_ifnet(struct ifnet *);
1722void pfi_attach_ifgroup(struct ifg_group *);
1723void pfi_detach_ifgroup(struct ifg_group *);
1724void pfi_group_change(const char *);
1725int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
1726 sa_family_t);
1727int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
1728void pfi_dynaddr_remove(struct pf_addr_wrap *);
1729void pfi_dynaddr_copyout(struct pf_addr_wrap *);
1730void pfi_fill_oldstatus(struct pf_status *);
1731int pfi_clr_istats(const char *);
1732int pfi_get_ifaces(const char *, struct pfi_kif *, int *);
1733int pfi_set_flags(const char *, int);
1734int pfi_clear_flags(const char *, int);
1735
1736u_int16_t pf_tagname2tag(char *);
1737void pf_tag2tagname(u_int16_t, char *);
1738void pf_tag_ref(u_int16_t);
1739void pf_tag_unref(u_int16_t);
1740int pf_tag_packet(struct mbuf *, struct pf_mtag *, int, int);
1741u_int32_t pf_qname2qid(char *);
1742void pf_qid2qname(u_int32_t, char *);
1743void pf_qid_unref(u_int32_t);
1744#ifndef __FreeBSD__
1745struct pf_mtag *pf_find_mtag(struct mbuf *);
1746struct pf_mtag *pf_get_mtag(struct mbuf *);
1747#endif
1748
1749extern struct pf_status pf_status;
1750
1751#ifdef __FreeBSD__
1752extern uma_zone_t pf_frent_pl, pf_frag_pl;
1753extern struct sx pf_consistency_lock;
1754#else
1755extern struct pool pf_frent_pl, pf_frag_pl;
1756extern struct rwlock pf_consistency_lock;
1757#endif
1758
1759struct pf_pool_limit {
1760 void *pp;
1761 unsigned limit;
1762};
1763extern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX];
1764
--- 26 unchanged lines hidden (view full) ---
1791 LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */
1792 LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */
1793 } fr_u;
1794};
1795#endif /* (__FreeBSD__) */
1796
1797#endif /* _KERNEL */
1798
1799extern struct pf_anchor_global pf_anchors;
1800extern struct pf_anchor pf_main_anchor;
1801#define pf_main_ruleset pf_main_anchor.ruleset
1802
1803/* these ruleset functions can be linked into userland programs (pfctl) */
1804int pf_get_ruleset_number(u_int8_t);
1805void pf_init_ruleset(struct pf_ruleset *);
1806int pf_anchor_setup(struct pf_rule *,
1807 const struct pf_ruleset *, const char *);
1808int pf_anchor_copyout(const struct pf_ruleset *,
1809 const struct pf_rule *, struct pfioc_rule *);
1810void pf_anchor_remove(struct pf_rule *);
1811void pf_remove_if_empty_ruleset(struct pf_ruleset *);
1812struct pf_anchor *pf_find_anchor(const char *);
1813struct pf_ruleset *pf_find_ruleset(const char *);
1814struct pf_ruleset *pf_find_or_create_ruleset(const char *);
1815void pf_rs_initialize(void);
1816
1817#ifndef __FreeBSD__
1818/* ?!? */
1819#ifdef _KERNEL
1820int pf_anchor_copyout(const struct pf_ruleset *,
1821 const struct pf_rule *, struct pfioc_rule *);
1822void pf_anchor_remove(struct pf_rule *);
1823
1824#endif /* _KERNEL */
1825#endif
1826
1827/* The fingerprint functions can be linked into userland programs (tcpdump) */
1828int pf_osfp_add(struct pf_osfp_ioctl *);
1829#ifdef _KERNEL
1830struct pf_osfp_enlist *
1831 pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int,
1832 const struct tcphdr *);
1833#endif /* _KERNEL */
1834struct pf_osfp_enlist *
1835 pf_osfp_fingerprint_hdr(const struct ip *, const struct ip6_hdr *,
1836 const struct tcphdr *);
1837void pf_osfp_flush(void);
1838int pf_osfp_get(struct pf_osfp_ioctl *);
1839#ifdef __FreeBSD__
1840int pf_osfp_initialize(void);
1841void pf_osfp_cleanup(void);
1842#else
1843void pf_osfp_initialize(void);
1844#endif
1845int pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t);
1846struct pf_os_fingerprint *
1847 pf_osfp_validate(void);
1848
1849
1850#endif /* _NET_PFVAR_H_ */
2/* $OpenBSD: pfvar.h,v 1.244 2007/02/23 21:31:51 deraadt Exp $ */
3
4/*
5 * Copyright (c) 2001 Daniel Hartmeier
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
--- 22 unchanged lines hidden (view full) ---
33
34#ifndef _NET_PFVAR_H_
35#define _NET_PFVAR_H_
36
37#include <sys/param.h>
38#include <sys/types.h>
39#include <sys/queue.h>
40#include <sys/tree.h>
41#ifdef __FreeBSD__
42#include <sys/lock.h>
43#include <sys/sx.h>
44#else
45#include <sys/rwlock.h>
46#endif
47
48#include <net/radix.h>
49#include <net/route.h>
50#ifdef __FreeBSD__
51#include <net/if_clone.h>
52#include <net/pf_mtag.h>
53#include <vm/uma.h>
54#else
55#include <netinet/ip_ipsp.h>
56#endif
57
58#ifdef __FreeBSD__
59#include <netinet/in.h>
60#endif
61
62#include <netinet/tcp_fsm.h>
63
64struct ip;
65struct ip6_hdr;
66#ifdef __FreeBSD__
67struct inpcb;
68#endif
69
70#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0)
71#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1)
72
73#define PF_MD5_DIGEST_LENGTH 16
74#ifdef MD5_DIGEST_LENGTH
75#if PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH
76#error
77#endif
78#endif
79
80enum { PF_INOUT, PF_IN, PF_OUT };
81enum { PF_LAN_EXT, PF_EXT_GWY, PF_ID };
82enum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT,
83 PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP };
84enum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT,
85 PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX };
86enum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT,
87 PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG };
88enum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY };
89enum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL,
90 PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER,
91 PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET };
92enum { PF_GET_NONE, PF_GET_CLR_CNTR };
93
94/*
95 * Note about PFTM_*: real indices into pf_rule.timeout[] come before
96 * PFTM_MAX, special cases afterwards. See pf_state_expires().
97 */
98enum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED,
99 PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED,
100 PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE,
101 PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY,
102 PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE,
103 PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL,
104 PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE,
105 PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNLINKED,
106 PFTM_UNTIL_PACKET };
107
108/* PFTM default values */
109#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */
110#define PFTM_TCP_OPENING_VAL 30 /* No response yet */
111#define PFTM_TCP_ESTABLISHED_VAL 24*60*60/* Established */
112#define PFTM_TCP_CLOSING_VAL 15 * 60 /* Half closed */
113#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */
114#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */
--- 6 unchanged lines hidden (view full) ---
121#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */
122#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */
123#define PFTM_FRAG_VAL 30 /* Fragment expire */
124#define PFTM_INTERVAL_VAL 10 /* Expire interval */
125#define PFTM_SRC_NODE_VAL 0 /* Source tracking */
126#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */
127
128enum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO };
129enum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS,
130 PF_LIMIT_TABLES, PF_LIMIT_TABLE_ENTRIES, PF_LIMIT_MAX };
131#define PF_POOL_IDMASK 0x0f
132enum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM,
133 PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN };
134enum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL,
135 PF_ADDR_TABLE, PF_ADDR_RTLABEL, PF_ADDR_URPFFAILED };
136#define PF_POOL_TYPEMASK 0x0f
137#define PF_POOL_STICKYADDR 0x20
138#define PF_WSCALE_FLAG 0x80
139#define PF_WSCALE_MASK 0x0f
140
141#define PF_LOG 0x01
142#define PF_LOG_ALL 0x02
143#define PF_LOG_SOCKET_LOOKUP 0x04
144
145struct pf_addr {
146 union {
147 struct in_addr v4;
148 struct in6_addr v6;
149 u_int8_t addr8[16];
150 u_int16_t addr16[8];
151 u_int32_t addr32[4];
152 } pfa; /* 128-bit address */
--- 34 unchanged lines hidden (view full) ---
187 } p;
188 u_int8_t type; /* PF_ADDR_* */
189 u_int8_t iflags; /* PFI_AFLAG_* */
190};
191
192#ifdef _KERNEL
193
194struct pfi_dynaddr {
195 TAILQ_ENTRY(pfi_dynaddr) entry;
196 struct pf_addr pfid_addr4;
197 struct pf_addr pfid_mask4;
198 struct pf_addr pfid_addr6;
199 struct pf_addr pfid_mask6;
200 struct pfr_ktable *pfid_kt;
201 struct pfi_kif *pfid_kif;
202 void *pfid_hook_cookie;
203 int pfid_net; /* mask or 128 */
204 int pfid_acnt4; /* address count IPv4 */
205 int pfid_acnt6; /* address count IPv6 */
206 sa_family_t pfid_af; /* rule af */
207 u_int8_t pfid_iflags; /* PFI_AFLAG_* */
208};
209
210/*
211 * Address manipulation macros
212 */
213
214#ifdef __FreeBSD__
215#define splsoftnet() splnet()
--- 49 unchanged lines hidden (view full) ---
265#define PFSYNC_MODVER 1
266
267#define PFLOG_MINVER 1
268#define PFLOG_PREFVER PFLOG_MODVER
269#define PFLOG_MAXVER 1
270#define PFSYNC_MINVER 1
271#define PFSYNC_PREFVER PFSYNC_MODVER
272#define PFSYNC_MAXVER 1
273#endif /* __FreeBSD__ */
274
275#ifdef INET
276#ifndef INET6
277#define PF_INET_ONLY
278#endif /* ! INET6 */
279#endif /* INET */
280
--- 115 unchanged lines hidden (view full) ---
396 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
397 (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \
398 } while (0)
399
400#endif /* PF_INET_ONLY */
401#endif /* PF_INET6_ONLY */
402#endif /* PF_INET_INET6 */
403
404#define PF_MISMATCHAW(aw, x, af, neg, ifp) \
405 ( \
406 (((aw)->type == PF_ADDR_NOROUTE && \
407 pf_routable((x), (af), NULL)) || \
408 (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \
409 pf_routable((x), (af), (ifp))) || \
410 ((aw)->type == PF_ADDR_RTLABEL && \
411 !pf_rtlabel_match((x), (af), (aw))) || \
412 ((aw)->type == PF_ADDR_TABLE && \
413 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
414 ((aw)->type == PF_ADDR_DYNIFTL && \
415 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
416 ((aw)->type == PF_ADDR_ADDRMASK && \
417 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
418 !PF_MATCHA(0, &(aw)->v.a.addr, \
419 &(aw)->v.a.mask, (x), (af))))) != \
420 (neg) \
421 )
422
423
424struct pf_rule_uid {
425 uid_t uid[2];
426 u_int8_t op;
427};
428
429struct pf_rule_gid {
430 uid_t gid[2];
431 u_int8_t op;
--- 101 unchanged lines hidden (view full) ---
533#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */
534#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */
535#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */
536#define PF_OSFP_MSS 0x0200 /* TCP MSS */
537#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */
538#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */
539#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */
540#define PF_OSFP_TS0 0x2000 /* Zero timestamp */
541#define PF_OSFP_INET6 0x4000 /* IPv6 */
542 u_int8_t fp_optcnt; /* TCP option count */
543 u_int8_t fp_wscale; /* TCP window scaling */
544 u_int8_t fp_ttl; /* IPv4 TTL */
545#define PF_OSFP_MAXTTL_OFFSET 40
546/* TCP options packing */
547#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */
548#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */
549#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */
--- 39 unchanged lines hidden (view full) ---
589#define PF_SKIP_SRC_ADDR 4
590#define PF_SKIP_SRC_PORT 5
591#define PF_SKIP_DST_ADDR 6
592#define PF_SKIP_DST_PORT 7
593#define PF_SKIP_COUNT 8
594 union pf_rule_ptr skip[PF_SKIP_COUNT];
595#define PF_RULE_LABEL_SIZE 64
596 char label[PF_RULE_LABEL_SIZE];
597#define PF_QNAME_SIZE 64
598 char ifname[IFNAMSIZ];
599 char qname[PF_QNAME_SIZE];
600 char pqname[PF_QNAME_SIZE];
601#define PF_TAG_NAME_SIZE 64
602 char tagname[PF_TAG_NAME_SIZE];
603 char match_tagname[PF_TAG_NAME_SIZE];
604
605 char overload_tblname[PF_TABLE_NAME_SIZE];
606
607 TAILQ_ENTRY(pf_rule) entries;
608 struct pf_pool rpool;
609
610 u_int64_t evaluations;
611 u_int64_t packets[2];
612 u_int64_t bytes[2];
613
614 struct pfi_kif *kif;
615 struct pf_anchor *anchor;
616 struct pfr_ktable *overload_tbl;
617
618 pf_osfp_t os_fingerprint;
619
620 int rtableid;
621 u_int32_t timeout[PFTM_MAX];
622 u_int32_t states;
623 u_int32_t max_states;
624 u_int32_t src_nodes;
625 u_int32_t max_src_nodes;
626 u_int32_t max_src_states;
627 u_int32_t max_src_conn;
628 struct {
629 u_int32_t limit;
630 u_int32_t seconds;
631 } max_src_conn_rate;
632 u_int32_t qid;
633 u_int32_t pqid;
634 u_int32_t rt_listid;
635 u_int32_t nr;
636 u_int32_t prob;
637 uid_t cuid;
638 pid_t cpid;
639
640 u_int16_t return_icmp;
641 u_int16_t return_icmp6;
642 u_int16_t max_mss;
643 u_int16_t tag;
644 u_int16_t match_tag;
645
646 struct pf_rule_uid uid;
647 struct pf_rule_gid gid;
648
649 u_int32_t rule_flag;
650 u_int8_t action;
651 u_int8_t direction;
652 u_int8_t log;
653 u_int8_t logif;
654 u_int8_t quick;
655 u_int8_t ifnot;
656 u_int8_t match_tag_not;
657 u_int8_t natpass;
658
659#define PF_STATE_NORMAL 0x1
660#define PF_STATE_MODULATE 0x2
661#define PF_STATE_SYNPROXY 0x3
--- 31 unchanged lines hidden (view full) ---
693#define PFRULE_NODF 0x0100
694#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */
695#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */
696#define PFRULE_RANDOMID 0x0800
697#define PFRULE_REASSEMBLE_TCP 0x1000
698
699/* rule flags again */
700#define PFRULE_IFBOUND 0x00010000 /* if-bound */
701
702#define PFSTATE_HIWAT 10000 /* default state table size */
703#define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */
704#define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */
705
706
707struct pf_threshold {
708 u_int32_t limit;
709#define PF_THRESHOLD_MULT 1000
710#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT
711 u_int32_t seconds;
712 u_int32_t count;
713 u_int32_t last;
714};
715
716struct pf_src_node {
717 RB_ENTRY(pf_src_node) entry;
718 struct pf_addr addr;
719 struct pf_addr raddr;
720 union pf_rule_ptr rule;
721 struct pfi_kif *kif;
722 u_int64_t bytes[2];
723 u_int64_t packets[2];
724 u_int32_t states;
725 u_int32_t conn;
726 struct pf_threshold conn_rate;
727 u_int32_t creation;
728 u_int32_t expire;
729 sa_family_t af;
730 u_int8_t ruletype;
731};
--- 25 unchanged lines hidden (view full) ---
757struct pf_state_peer {
758 u_int32_t seqlo; /* Max sequence number sent */
759 u_int32_t seqhi; /* Max the other end ACKd + win */
760 u_int32_t seqdiff; /* Sequence number modulator */
761 u_int16_t max_win; /* largest window (pre scaling) */
762 u_int8_t state; /* active state level */
763 u_int8_t wscale; /* window scaling factor */
764 u_int16_t mss; /* Maximum segment size option */
765 u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */
766 struct pf_state_scrub *scrub; /* state is scrubbed */
767 u_int8_t pad[3];
768};
769
770TAILQ_HEAD(pf_state_queue, pf_state);
771
772/* keep synced with struct pf_state, used in RB_FIND */
773struct pf_state_cmp {
774 u_int64_t id;
775 u_int32_t creatorid;
776 struct pf_state_host lan;
777 struct pf_state_host gwy;
778 struct pf_state_host ext;
779 sa_family_t af;
780 u_int8_t proto;
781 u_int8_t direction;
782 u_int8_t pad;
783};
784
785struct pf_state {
786 u_int64_t id;
787 u_int32_t creatorid;
788 struct pf_state_host lan;
789 struct pf_state_host gwy;
790 struct pf_state_host ext;
791 sa_family_t af;
792 u_int8_t proto;
793 u_int8_t direction;
794#ifdef __FreeBSD__
795 u_int8_t local_flags;
796#define PFSTATE_EXPIRING 0x01
797#else
798 u_int8_t pad;
799#endif
800 u_int8_t log;
801 u_int8_t allow_opts;
802 u_int8_t timeout;
803 u_int8_t sync_flags;
804#define PFSTATE_NOSYNC 0x01
805#define PFSTATE_FROMSYNC 0x02
806#define PFSTATE_STALE 0x04
807 union {
808 struct {
809 RB_ENTRY(pf_state) entry_lan_ext;
810 RB_ENTRY(pf_state) entry_ext_gwy;
811 RB_ENTRY(pf_state) entry_id;
812 TAILQ_ENTRY(pf_state) entry_list;
813 struct pfi_kif *kif;
814 } s;
815 char ifname[IFNAMSIZ];
816 } u;
817 struct pf_state_peer src;
818 struct pf_state_peer dst;
819 union pf_rule_ptr rule;
820 union pf_rule_ptr anchor;
821 union pf_rule_ptr nat_rule;
822 struct pf_addr rt_addr;
823 struct pfi_kif *rt_kif;
824 struct pf_src_node *src_node;
825 struct pf_src_node *nat_src_node;
826 u_int64_t packets[2];
827 u_int64_t bytes[2];
828 u_int32_t creation;
829 u_int32_t expire;
830 u_int32_t pfsync_time;
831 u_int16_t tag;
832};
833
834TAILQ_HEAD(pf_rulequeue, pf_rule);
835
836struct pf_anchor;
837
838struct pf_ruleset {
839 struct {
840 struct pf_rulequeue queues[2];
841 struct {
842 struct pf_rulequeue *ptr;
843 struct pf_rule **ptr_array;
844 u_int32_t rcount;
845 u_int32_t ticket;
846 int open;
847 } active, inactive;
848 } rules[PF_RULESET_MAX];
849 struct pf_anchor *anchor;
850 u_int32_t tticket;
851 int tables;
852 int topen;
--- 5 unchanged lines hidden (view full) ---
858 RB_ENTRY(pf_anchor) entry_global;
859 RB_ENTRY(pf_anchor) entry_node;
860 struct pf_anchor *parent;
861 struct pf_anchor_node children;
862 char name[PF_ANCHOR_NAME_SIZE];
863 char path[MAXPATHLEN];
864 struct pf_ruleset ruleset;
865 int refcnt; /* anchor rules */
866 int match;
867};
868RB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare);
869RB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare);
870
871#define PF_RESERVED_ANCHOR "_pf"
872
873#define PFR_TFLAG_PERSIST 0x00000001
874#define PFR_TFLAG_CONST 0x00000002
--- 109 unchanged lines hidden (view full) ---
984RB_HEAD(pf_state_tree_lan_ext, pf_state);
985RB_PROTOTYPE(pf_state_tree_lan_ext, pf_state,
986 u.s.entry_lan_ext, pf_state_compare_lan_ext);
987
988RB_HEAD(pf_state_tree_ext_gwy, pf_state);
989RB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state,
990 u.s.entry_ext_gwy, pf_state_compare_ext_gwy);
991
992TAILQ_HEAD(pfi_statehead, pfi_kif);
993RB_HEAD(pfi_ifhead, pfi_kif);
994
995/* keep synced with pfi_kif, used in RB_FIND */
996struct pfi_kif_cmp {
997 char pfik_name[IFNAMSIZ];
998};
999
1000struct pfi_kif {
1001 char pfik_name[IFNAMSIZ];
1002 RB_ENTRY(pfi_kif) pfik_tree;
1003 u_int64_t pfik_packets[2][2][2];
1004 u_int64_t pfik_bytes[2][2][2];
1005 u_int32_t pfik_tzero;
1006 int pfik_flags;
1007 struct pf_state_tree_lan_ext pfik_lan_ext;
1008 struct pf_state_tree_ext_gwy pfik_ext_gwy;
1009 TAILQ_ENTRY(pfi_kif) pfik_w_states;
1010#ifndef __FreeBSD__
1011 void *pfik_ah_cookie;
1012#endif
1013 struct ifnet *pfik_ifp;
1014 struct ifg_group *pfik_group;
1015 int pfik_states;
1016 int pfik_rules;
1017 TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs;
1018};
1019
1020enum pfi_kif_refs {
1021 PFI_KIF_REF_NONE,
1022 PFI_KIF_REF_STATE,
1023 PFI_KIF_REF_RULE
1024};
1025
1026#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */
1027/* XXX: revisist */
1028#define PFI_IFLAG_SETABLE_MASK 0x0100 /* setable via DIOC{SET,CLR}IFFLAG */
1029#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */
1030
1031struct pf_pdesc {
1032 struct {
1033 int done;
1034 uid_t uid;
1035 gid_t gid;
1036 pid_t pid;
1037 } lookup;
1038 u_int64_t tot_len; /* Make Mickey money */
1039 union {
1040 struct tcphdr *tcp;
1041 struct udphdr *udp;
1042 struct icmp *icmp;
1043#ifdef INET6
1044 struct icmp6_hdr *icmp6;
1045#endif /* INET6 */
1046 void *any;
1047 } hdr;
1048 struct pf_addr baddr; /* address before translation */
1049 struct pf_addr naddr; /* address after translation */
1050 struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */
1051 struct pf_addr *src;
1052 struct pf_addr *dst;
1053 struct ether_header
1054 *eh;
1055 struct pf_mtag *pf_mtag;
1056 u_int16_t *ip_sum;
1057 u_int32_t p_len; /* total length of payload */
1058 u_int16_t flags; /* Let SCRUB trigger behavior in
1059 * state code. Easier than tags */
1060#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
1061#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */
1062 sa_family_t af;
1063 u_int8_t proto;
--- 124 unchanged lines hidden (view full) ---
1188 u_int64_t stateid;
1189 u_int32_t running;
1190 u_int32_t states;
1191 u_int32_t src_nodes;
1192 u_int32_t since;
1193 u_int32_t debug;
1194 u_int32_t hostid;
1195 char ifname[IFNAMSIZ];
1196 u_int8_t pf_chksum[PF_MD5_DIGEST_LENGTH];
1197};
1198
1199struct cbq_opts {
1200 u_int minburst;
1201 u_int maxburst;
1202 u_int pktsize;
1203 u_int maxpktsize;
1204 u_int ns_per_byte;
--- 46 unchanged lines hidden (view full) ---
1251 struct cbq_opts cbq_opts;
1252 struct priq_opts priq_opts;
1253 struct hfsc_opts hfsc_opts;
1254 } pq_u;
1255
1256 u_int32_t qid; /* return value */
1257};
1258
1259#ifndef __FreeBSD__
1260
1261#define PF_TAG_GENERATED 0x01
1262#define PF_TAG_FRAGCACHE 0x02
1263#define PF_TAG_TRANSLATE_LOCALHOST 0x04
1264
1265struct pf_mtag {
1266 void *hdr; /* saved hdr pos in mbuf, for ECN */
1267 u_int rtableid; /* alternate routing table id */
1268 u_int32_t qid; /* queue id */
1269 u_int16_t tag; /* tag id */
1270 u_int8_t flags;
1271 u_int8_t routed;
1272 sa_family_t af; /* for ECN */
1273};
1274#endif
1275
1276struct pf_tag {
1277 u_int16_t tag; /* tag id */
1278};
1279
1280struct pf_tagname {
1281 TAILQ_ENTRY(pf_tagname) entries;
1282 char name[PF_TAG_NAME_SIZE];
1283 u_int16_t tag;
1284 int ref;
1285};
1286
1287#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */
1288#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */
1289#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */
1290#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */
1291
1292#define PFR_KTABLE_HIWAT 1000 /* Number of tables */
1293#define PFR_KENTRY_HIWAT 200000 /* Number of table entries */
1294#define PFR_KENTRY_HIWAT_SMALL 100000 /* Number of table entries (tiny hosts) */
1295
1296/*
1297 * ioctl parameter structures
1298 */
1299
1300struct pfioc_pooladdr {
1301 u_int32_t action;
1302 u_int32_t ticket;
1303 u_int32_t nr;
--- 29 unchanged lines hidden (view full) ---
1333 u_int8_t direction;
1334};
1335
1336struct pfioc_state {
1337 u_int32_t nr;
1338 struct pf_state state;
1339};
1340
1341struct pfioc_src_node_kill {
1342 /* XXX returns the number of src nodes killed in psnk_af */
1343 sa_family_t psnk_af;
1344 struct pf_rule_addr psnk_src;
1345 struct pf_rule_addr psnk_dst;
1346};
1347
1348struct pfioc_state_kill {
1349 /* XXX returns the number of states killed in psk_af */
1350 sa_family_t psk_af;
1351 int psk_proto;
1352 struct pf_rule_addr psk_src;
1353 struct pf_rule_addr psk_dst;
1354 char psk_ifname[IFNAMSIZ];
1355};
--- 91 unchanged lines hidden (view full) ---
1447};
1448#define pfrio_exists pfrio_nadd
1449#define pfrio_nzero pfrio_nadd
1450#define pfrio_nmatch pfrio_nadd
1451#define pfrio_naddr pfrio_size2
1452#define pfrio_setflag pfrio_size2
1453#define pfrio_clrflag pfrio_nadd
1454
1455struct pfioc_iface {
1456 char pfiio_name[IFNAMSIZ];
1457 void *pfiio_buffer;
1458 int pfiio_esize;
1459 int pfiio_size;
1460 int pfiio_nzero;
1461 int pfiio_flags;
1462};
--- 62 unchanged lines hidden (view full) ---
1525#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
1526#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
1527#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
1528#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
1529#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
1530#define DIOCCLRSRCNODES _IO('D', 85)
1531#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
1532#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
1533#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
1534#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
1535#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill)
1536#ifdef __FreeBSD__
1537struct pf_ifspeed {
1538 char ifname[IFNAMSIZ];
1539 u_int32_t baudrate;
1540};
1541#define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed)
1542#endif
1543
1544#ifdef _KERNEL
1545RB_HEAD(pf_src_tree, pf_src_node);
1546RB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare);
1547extern struct pf_src_tree tree_src_tracking;
1548
1549RB_HEAD(pf_state_tree_id, pf_state);
1550RB_PROTOTYPE(pf_state_tree_id, pf_state,
1551 entry_id, pf_state_compare_id);
1552extern struct pf_state_tree_id tree_id;
1553extern struct pf_state_queue state_list;
1554
1555TAILQ_HEAD(pf_poolqueue, pf_pool);
1556extern struct pf_poolqueue pf_pools[2];
1557TAILQ_HEAD(pf_altqqueue, pf_altq);
1558extern struct pf_altqqueue pf_altqs[2];
1559extern struct pf_palist pf_pabuf;
1560
1561extern u_int32_t ticket_altqs_active;
1562extern u_int32_t ticket_altqs_inactive;
1563extern int altqs_inactive_open;
1564extern u_int32_t ticket_pabuf;
1565extern struct pf_altqqueue *pf_altqs_active;
1566extern struct pf_altqqueue *pf_altqs_inactive;
1567extern struct pf_poolqueue *pf_pools_active;
--- 10 unchanged lines hidden (view full) ---
1578extern uma_zone_t pf_cache_pl, pf_cent_pl;
1579extern uma_zone_t pf_state_scrub_pl;
1580extern uma_zone_t pfi_addr_pl;
1581#else
1582extern struct pool pf_src_tree_pl, pf_rule_pl;
1583extern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl;
1584extern struct pool pf_state_scrub_pl;
1585#endif
1586extern void pf_purge_thread(void *);
1587extern void pf_purge_expired_src_nodes(int);
1588extern void pf_purge_expired_states(u_int32_t);
1589extern void pf_unlink_state(struct pf_state *);
1590extern void pf_free_state(struct pf_state *);
1591extern int pf_insert_state(struct pfi_kif *,
1592 struct pf_state *);
1593extern int pf_insert_src_node(struct pf_src_node **,
1594 struct pf_rule *, struct pf_addr *,
1595 sa_family_t);
1596void pf_src_tree_remove_state(struct pf_state *);
1597extern struct pf_state *pf_find_state_byid(struct pf_state_cmp *);
1598extern struct pf_state *pf_find_state_all(struct pf_state_cmp *key,
1599 u_int8_t tree, int *more);
1600extern void pf_print_state(struct pf_state *);
1601extern void pf_print_flags(u_int8_t);
1602extern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
1603 u_int8_t);
1604
1605extern struct ifnet *sync_ifp;
1606extern struct pf_rule pf_default_rule;
1607extern void pf_addrcpy(struct pf_addr *, struct pf_addr *,
1608 u_int8_t);
1609void pf_rm_rule(struct pf_rulequeue *,
--- 15 unchanged lines hidden (view full) ---
1625#else
1626int pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *);
1627#endif
1628void pf_poolmask(struct pf_addr *, struct pf_addr*,
1629 struct pf_addr *, struct pf_addr *, u_int8_t);
1630void pf_addr_inc(struct pf_addr *, sa_family_t);
1631#endif /* INET6 */
1632
1633#ifdef __FreeBSD__
1634u_int32_t pf_new_isn(struct pf_state *);
1635#endif
1636void *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *,
1637 sa_family_t);
1638void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
1639int pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t,
1640 u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *,
1641 struct pf_pdesc *);
1642int pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *,
1643 struct pf_addr *, sa_family_t);
1644int pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t);
1645int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
1646int pf_match_uid(u_int8_t, uid_t, uid_t, uid_t);
1647int pf_match_gid(u_int8_t, gid_t, gid_t, gid_t);
1648
1649void pf_normalize_init(void);
--- 7 unchanged lines hidden (view full) ---
1657int pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *,
1658 struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *);
1659int pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *,
1660 u_short *, struct tcphdr *, struct pf_state *,
1661 struct pf_state_peer *, struct pf_state_peer *, int *);
1662u_int32_t
1663 pf_state_expires(const struct pf_state *);
1664void pf_purge_expired_fragments(void);
1665int pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kif *);
1666int pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *);
1667#ifdef __FreeBSD__
1668int pf_socket_lookup(int, struct pf_pdesc *, struct inpcb *);
1669#else
1670int pf_socket_lookup(int, struct pf_pdesc *);
1671#endif
1672void pfr_initialize(void);
1673int pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t);
1674void pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t,
1675 u_int64_t, int, int, int);
1676int pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *,
1677 struct pf_addr **, struct pf_addr **, sa_family_t);
1678void pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *);
1679struct pfr_ktable *
--- 8 unchanged lines hidden (view full) ---
1688int pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
1689int pfr_clr_addrs(struct pfr_table *, int *, int);
1690int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long);
1691int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1692 int);
1693int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1694 int);
1695int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1696 int *, int *, int *, int, u_int32_t);
1697int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
1698int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
1699int pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *,
1700 int);
1701int pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1702 int);
1703int pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int);
1704int pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int);
1705int pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int);
1706int pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
1707 int *, u_int32_t, int);
1708
1709extern struct pfi_statehead pfi_statehead;
1710extern struct pfi_kif *pfi_all;
1711
1712void pfi_initialize(void);
1713#ifdef __FreeBSD__
1714void pfi_cleanup(void);
1715#endif
1716struct pfi_kif *pfi_kif_get(const char *);
1717void pfi_kif_ref(struct pfi_kif *, enum pfi_kif_refs);
1718void pfi_kif_unref(struct pfi_kif *, enum pfi_kif_refs);
1719int pfi_kif_match(struct pfi_kif *, struct pfi_kif *);
1720void pfi_attach_ifnet(struct ifnet *);
1721void pfi_detach_ifnet(struct ifnet *);
1722void pfi_attach_ifgroup(struct ifg_group *);
1723void pfi_detach_ifgroup(struct ifg_group *);
1724void pfi_group_change(const char *);
1725int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
1726 sa_family_t);
1727int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
1728void pfi_dynaddr_remove(struct pf_addr_wrap *);
1729void pfi_dynaddr_copyout(struct pf_addr_wrap *);
1730void pfi_fill_oldstatus(struct pf_status *);
1731int pfi_clr_istats(const char *);
1732int pfi_get_ifaces(const char *, struct pfi_kif *, int *);
1733int pfi_set_flags(const char *, int);
1734int pfi_clear_flags(const char *, int);
1735
1736u_int16_t pf_tagname2tag(char *);
1737void pf_tag2tagname(u_int16_t, char *);
1738void pf_tag_ref(u_int16_t);
1739void pf_tag_unref(u_int16_t);
1740int pf_tag_packet(struct mbuf *, struct pf_mtag *, int, int);
1741u_int32_t pf_qname2qid(char *);
1742void pf_qid2qname(u_int32_t, char *);
1743void pf_qid_unref(u_int32_t);
1744#ifndef __FreeBSD__
1745struct pf_mtag *pf_find_mtag(struct mbuf *);
1746struct pf_mtag *pf_get_mtag(struct mbuf *);
1747#endif
1748
1749extern struct pf_status pf_status;
1750
1751#ifdef __FreeBSD__
1752extern uma_zone_t pf_frent_pl, pf_frag_pl;
1753extern struct sx pf_consistency_lock;
1754#else
1755extern struct pool pf_frent_pl, pf_frag_pl;
1756extern struct rwlock pf_consistency_lock;
1757#endif
1758
1759struct pf_pool_limit {
1760 void *pp;
1761 unsigned limit;
1762};
1763extern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX];
1764
--- 26 unchanged lines hidden (view full) ---
1791 LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */
1792 LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */
1793 } fr_u;
1794};
1795#endif /* (__FreeBSD__) */
1796
1797#endif /* _KERNEL */
1798
1799extern struct pf_anchor_global pf_anchors;
1800extern struct pf_anchor pf_main_anchor;
1801#define pf_main_ruleset pf_main_anchor.ruleset
1802
1803/* these ruleset functions can be linked into userland programs (pfctl) */
1804int pf_get_ruleset_number(u_int8_t);
1805void pf_init_ruleset(struct pf_ruleset *);
1806int pf_anchor_setup(struct pf_rule *,
1807 const struct pf_ruleset *, const char *);
1808int pf_anchor_copyout(const struct pf_ruleset *,
1809 const struct pf_rule *, struct pfioc_rule *);
1810void pf_anchor_remove(struct pf_rule *);
1811void pf_remove_if_empty_ruleset(struct pf_ruleset *);
1812struct pf_anchor *pf_find_anchor(const char *);
1813struct pf_ruleset *pf_find_ruleset(const char *);
1814struct pf_ruleset *pf_find_or_create_ruleset(const char *);
1815void pf_rs_initialize(void);
1816
1817#ifndef __FreeBSD__
1818/* ?!? */
1819#ifdef _KERNEL
1820int pf_anchor_copyout(const struct pf_ruleset *,
1821 const struct pf_rule *, struct pfioc_rule *);
1822void pf_anchor_remove(struct pf_rule *);
1823
1824#endif /* _KERNEL */
1825#endif
1826
1827/* The fingerprint functions can be linked into userland programs (tcpdump) */
1828int pf_osfp_add(struct pf_osfp_ioctl *);
1829#ifdef _KERNEL
1830struct pf_osfp_enlist *
1831 pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int,
1832 const struct tcphdr *);
1833#endif /* _KERNEL */
1834struct pf_osfp_enlist *
1835 pf_osfp_fingerprint_hdr(const struct ip *, const struct ip6_hdr *,
1836 const struct tcphdr *);
1837void pf_osfp_flush(void);
1838int pf_osfp_get(struct pf_osfp_ioctl *);
1839#ifdef __FreeBSD__
1840int pf_osfp_initialize(void);
1841void pf_osfp_cleanup(void);
1842#else
1843void pf_osfp_initialize(void);
1844#endif
1845int pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t);
1846struct pf_os_fingerprint *
1847 pf_osfp_validate(void);
1848
1849
1850#endif /* _NET_PFVAR_H_ */