1/* $FreeBSD: head/sys/contrib/pf/net/pfvar.h 145836 2005-05-03 16:43:32Z mlaier $ */
2/* $OpenBSD: pfvar.h,v 1.213 2005/03/03 07:13:39 dhartmei 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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29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 */
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
42#include <net/radix.h>
43#include <net/route.h>
44#ifdef __FreeBSD__
45#include <net/if_clone.h>
46#include <vm/uma.h>
47#else
48#include <netinet/ip_ipsp.h>
49#endif
50
51#ifdef __FreeBSD__
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59struct inpcb;
60#endif
61
62#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0)
63#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1)
64
65enum { PF_INOUT, PF_IN, PF_OUT };
66enum { PF_LAN_EXT, PF_EXT_GWY, PF_ID };
67enum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT,
68 PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP };
69enum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT,
70 PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX };
71enum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT,
72 PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG };
73enum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY };
74enum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL,
75 PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER,
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80 */
81enum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED,
82 PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED,
83 PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE,
84 PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY,
85 PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE,
86 PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL,
87 PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE,
88 PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNTIL_PACKET };
89
90/* PFTM default values */
91#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */
92#define PFTM_TCP_OPENING_VAL 30 /* No response yet */
93#define PFTM_TCP_ESTABLISHED_VAL 24*60*60/* Established */
94#define PFTM_TCP_CLOSING_VAL 15 * 60 /* Half closed */
95#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */
96#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */
97#define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */
98#define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */
99#define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */
100#define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */
101#define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */
102#define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */
103#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */
104#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */
105#define PFTM_FRAG_VAL 30 /* Fragment expire */
106#define PFTM_INTERVAL_VAL 10 /* Expire interval */
107#define PFTM_SRC_NODE_VAL 0 /* Source tracking */
108#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */
109
110enum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO };
111enum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, PF_LIMIT_MAX };
112#define PF_POOL_IDMASK 0x0f
113enum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM,
114 PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN };
115enum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL,
116 PF_ADDR_TABLE, PF_ADDR_RTLABEL };
117#define PF_POOL_TYPEMASK 0x0f
118#define PF_POOL_STICKYADDR 0x20
119#define PF_WSCALE_FLAG 0x80
120#define PF_WSCALE_MASK 0x0f
121
122struct pf_addr {
123 union {
124 struct in_addr v4;
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145struct pf_addr_wrap {
146 union {
147 struct {
148 struct pf_addr addr;
149 struct pf_addr mask;
150 } a;
151 char ifname[IFNAMSIZ];
152 char tblname[PF_TABLE_NAME_SIZE];
153#ifdef __FreeBSD__
154#define RTLABEL_LEN 32
155#endif
156 char rtlabelname[RTLABEL_LEN];
157 u_int32_t rtlabel;
158 } v;
159 union {
160 struct pfi_dynaddr *dyn;
161 struct pfr_ktable *tbl;
162 int dyncnt;
163 int tblcnt;
164 } p;
165 u_int8_t type; /* PF_ADDR_* */
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387 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
388 (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \
389 } while (0)
390
391#endif /* PF_INET_ONLY */
392#endif /* PF_INET6_ONLY */
393#endif /* PF_INET_INET6 */
394
395#define PF_MISMATCHAW(aw, x, af, neg) \
396 ( \
397 (((aw)->type == PF_ADDR_NOROUTE && \
398 pf_routable((x), (af))) || \
399 ((aw)->type == PF_ADDR_RTLABEL && \
400 !pf_rtlabel_match((x), (af), (aw))) || \
401 ((aw)->type == PF_ADDR_TABLE && \
402 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
403 ((aw)->type == PF_ADDR_DYNIFTL && \
404 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
405 ((aw)->type == PF_ADDR_ADDRMASK && \
406 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
407 !PF_MATCHA(0, &(aw)->v.a.addr, \
408 &(aw)->v.a.mask, (x), (af)))) != \
409 (neg) \
410 )
411
412struct pf_rule_uid {
413 uid_t uid[2];
414 u_int8_t op;
415};
416
417struct pf_rule_gid {
418 uid_t gid[2];
419 u_int8_t op;
420};
421
422struct pf_rule_addr {
423 struct pf_addr_wrap addr;
424 u_int16_t port[2];
425 u_int8_t neg;
426 u_int8_t port_op;
427};
428
429struct pf_pooladdr {
430 struct pf_addr_wrap addr;
431 TAILQ_ENTRY(pf_pooladdr) entries;
432 char ifname[IFNAMSIZ];
433 struct pfi_kif *kif;
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559};
560
561
562union pf_rule_ptr {
563 struct pf_rule *ptr;
564 u_int32_t nr;
565};
566
567#define PF_ANCHOR_NAME_SIZE 64
568
569struct pf_rule {
570 struct pf_rule_addr src;
571 struct pf_rule_addr dst;
572#define PF_SKIP_IFP 0
573#define PF_SKIP_DIR 1
574#define PF_SKIP_AF 2
575#define PF_SKIP_PROTO 3
576#define PF_SKIP_SRC_ADDR 4
577#define PF_SKIP_SRC_PORT 5
578#define PF_SKIP_DST_ADDR 6
579#define PF_SKIP_DST_PORT 7
580#define PF_SKIP_COUNT 8
581 union pf_rule_ptr skip[PF_SKIP_COUNT];
582#define PF_RULE_LABEL_SIZE 64
583 char label[PF_RULE_LABEL_SIZE];
584#define PF_QNAME_SIZE 16
585 char ifname[IFNAMSIZ];
586 char qname[PF_QNAME_SIZE];
587 char pqname[PF_QNAME_SIZE];
588#define PF_TAG_NAME_SIZE 16
589 char tagname[PF_TAG_NAME_SIZE];
590 char match_tagname[PF_TAG_NAME_SIZE];
591
592 char overload_tblname[PF_TABLE_NAME_SIZE];
593
594 TAILQ_ENTRY(pf_rule) entries;
595 struct pf_pool rpool;
596
597 u_int64_t evaluations;
598 u_int64_t packets;
599 u_int64_t bytes;
600
601 struct pfi_kif *kif;
602 struct pf_anchor *anchor;
603 struct pfr_ktable *overload_tbl;
604
605 pf_osfp_t os_fingerprint;
606
607 u_int32_t timeout[PFTM_MAX];
608 u_int32_t states;
609 u_int32_t max_states;
610 u_int32_t src_nodes;
611 u_int32_t max_src_nodes;
612 u_int32_t max_src_states;
613 u_int32_t max_src_conn;
614 struct {
615 u_int32_t limit;
616 u_int32_t seconds;
617 } max_src_conn_rate;
618 u_int32_t qid;
619 u_int32_t pqid;
620 u_int32_t rt_listid;
621 u_int32_t nr;
622 u_int32_t prob;
623
624 u_int16_t return_icmp;
625 u_int16_t return_icmp6;
626 u_int16_t max_mss;
627 u_int16_t tag;
628 u_int16_t match_tag;
629
630 struct pf_rule_uid uid;
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649 u_int8_t code;
650 u_int8_t flags;
651 u_int8_t flagset;
652 u_int8_t min_ttl;
653 u_int8_t allow_opts;
654 u_int8_t rt;
655 u_int8_t return_ttl;
656 u_int8_t tos;
657 u_int8_t anchor_relative;
658 u_int8_t anchor_wildcard;
659
660#define PF_FLUSH 0x01
661#define PF_FLUSH_GLOBAL 0x02
662 u_int8_t flush;
663};
664
665/* rule flags */
666#define PFRULE_DROP 0x0000
667#define PFRULE_RETURNRST 0x0001
668#define PFRULE_FRAGMENT 0x0002
669#define PFRULE_RETURNICMP 0x0004
670#define PFRULE_RETURN 0x0008
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680#define PFRULE_REASSEMBLE_TCP 0x1000
681
682/* rule flags again */
683#define PFRULE_IFBOUND 0x00010000 /* if-bound */
684#define PFRULE_GRBOUND 0x00020000 /* group-bound */
685
686#define PFSTATE_HIWAT 10000 /* default state table size */
687
688
689struct pf_threshold {
690 u_int32_t limit;
691#define PF_THRESHOLD_MULT 1000
692#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT
693 u_int32_t seconds;
694 u_int32_t count;
695 u_int32_t last;
696};
697
698struct pf_src_node {
699 RB_ENTRY(pf_src_node) entry;
700 struct pf_addr addr;
701 struct pf_addr raddr;
702 union pf_rule_ptr rule;
703 struct pfi_kif *kif;
704 u_int32_t bytes;
705 u_int32_t packets;
706 u_int32_t states;
707 u_int32_t conn;
708 struct pf_threshold conn_rate;
709 u_int32_t creation;
710 u_int32_t expire;
711 sa_family_t af;
712 u_int8_t ruletype;
713};
714
715#define PFSNODE_HIWAT 10000 /* default source node table size */
716
717struct pf_state_scrub {
718 struct timeval pfss_last; /* time received last packet */
719 u_int32_t pfss_tsecr; /* last echoed timestamp */
720 u_int32_t pfss_tsval; /* largest timestamp */
721 u_int32_t pfss_tsval0; /* original timestamp */
722 u_int16_t pfss_flags;
723#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */
724#define PFSS_PAWS 0x0010 /* stricter PAWS checks */
725#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */
726#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */
727#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */
728 u_int8_t pfss_ttl; /* stashed TTL */
729 u_int8_t pad;
730 u_int32_t pfss_ts_mod; /* timestamp modulation */
731};
732
733struct pf_state_host {
734 struct pf_addr addr;
735 u_int16_t port;
736 u_int16_t pad;
737};
738
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774 struct pf_src_node *src_node;
775 struct pf_src_node *nat_src_node;
776 u_int32_t creation;
777 u_int32_t expire;
778 u_int32_t pfsync_time;
779 u_int32_t packets[2];
780 u_int32_t bytes[2];
781 u_int32_t creatorid;
782 u_int16_t tag;
783 sa_family_t af;
784 u_int8_t proto;
785 u_int8_t direction;
786 u_int8_t log;
787 u_int8_t allow_opts;
788 u_int8_t timeout;
789 u_int8_t sync_flags;
790#define PFSTATE_NOSYNC 0x01
791#define PFSTATE_FROMSYNC 0x02
792#define PFSTATE_STALE 0x04
793 u_int8_t pad;
794};
795
796TAILQ_HEAD(pf_rulequeue, pf_rule);
797
798struct pf_anchor;
799
800struct pf_ruleset {
801 struct {
802 struct pf_rulequeue queues[2];
803 struct {
804 struct pf_rulequeue *ptr;
805 u_int32_t ticket;
806 int open;
807 } active, inactive;
808 } rules[PF_RULESET_MAX];
809 struct pf_anchor *anchor;
810 u_int32_t tticket;
811 int tables;
812 int topen;
813};
814
815RB_HEAD(pf_anchor_global, pf_anchor);
816RB_HEAD(pf_anchor_node, pf_anchor);
817struct pf_anchor {
818 RB_ENTRY(pf_anchor) entry_global;
819 RB_ENTRY(pf_anchor) entry_node;
820 struct pf_anchor *parent;
821 struct pf_anchor_node children;
822 char name[PF_ANCHOR_NAME_SIZE];
823 char path[MAXPATHLEN];
824 struct pf_ruleset ruleset;
825 int refcnt; /* anchor rules */
826};
827RB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare);
828RB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare);
829
830#define PF_RESERVED_ANCHOR "_pf"
831
832#define PFR_TFLAG_PERSIST 0x00000001
833#define PFR_TFLAG_CONST 0x00000002
834#define PFR_TFLAG_ACTIVE 0x00000004
835#define PFR_TFLAG_INACTIVE 0x00000008
836#define PFR_TFLAG_REFERENCED 0x00000010
837#define PFR_TFLAG_REFDANCHOR 0x00000020
838#define PFR_TFLAG_USRMASK 0x00000003
839#define PFR_TFLAG_SETMASK 0x0000003C
840#define PFR_TFLAG_ALLMASK 0x0000003F
841
842struct pfr_table {
843 char pfrt_anchor[MAXPATHLEN];
844 char pfrt_name[PF_TABLE_NAME_SIZE];
845 u_int32_t pfrt_flags;
846 u_int8_t pfrt_fback;
847};
848
849enum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED,
850 PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE,
851 PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX };
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905 u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
906 u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
907 SLIST_ENTRY(pfr_kentry) pfrke_workq;
908 long pfrke_tzero;
909 u_int8_t pfrke_af;
910 u_int8_t pfrke_net;
911 u_int8_t pfrke_not;
912 u_int8_t pfrke_mark;
913 u_int8_t pfrke_intrpool;
914};
915
916SLIST_HEAD(pfr_ktableworkq, pfr_ktable);
917RB_HEAD(pfr_ktablehead, pfr_ktable);
918struct pfr_ktable {
919 struct pfr_tstats pfrkt_ts;
920 RB_ENTRY(pfr_ktable) pfrkt_tree;
921 SLIST_ENTRY(pfr_ktable) pfrkt_workq;
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988#define pfik_states pfik_if.pfif_states
989#define pfik_rules pfik_if.pfif_rules
990
991#define PFI_IFLAG_GROUP 0x0001 /* group of interfaces */
992#define PFI_IFLAG_INSTANCE 0x0002 /* single instance */
993#define PFI_IFLAG_CLONABLE 0x0010 /* clonable group */
994#define PFI_IFLAG_DYNAMIC 0x0020 /* dynamic group */
995#define PFI_IFLAG_ATTACHED 0x0040 /* interface attached */
996#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */
997#define PFI_IFLAG_SETABLE_MASK 0x0100 /* setable via DIOC{SET,CLR}IFFLAG */
998#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */
999
1000struct pf_pdesc {
1001 u_int64_t tot_len; /* Make Mickey money */
1002 union {
1003 struct tcphdr *tcp;
1004 struct udphdr *udp;
1005 struct icmp *icmp;
1006#ifdef INET6
1007 struct icmp6_hdr *icmp6;
1008#endif /* INET6 */
1009 void *any;
1010 } hdr;
1011 struct pf_addr baddr; /* address before translation */
1012 struct pf_addr naddr; /* address after translation */
1013 struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */
1014 struct pf_addr *src;
1015 struct pf_addr *dst;
1016 struct ether_header
1017 *eh;
1018 u_int16_t *ip_sum;
1019 u_int32_t p_len; /* total length of payload */
1020 u_int16_t flags; /* Let SCRUB trigger behavior in
1021 * state code. Easier than tags */
1022#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
1023#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */
1024 sa_family_t af;
1025 u_int8_t proto;
1026 u_int8_t tos;
1027};
1028
1029/* flags for RDR options */
1030#define PF_DPORT_RANGE 0x01 /* Dest port uses range */
1031#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */
1032
1033/* Reasons code for passing/dropping a packet */
1034#define PFRES_MATCH 0 /* Explicit match of a rule */
1035#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */
1036#define PFRES_FRAG 2 /* Dropping following fragment */
1037#define PFRES_SHORT 3 /* Dropping short packet */
1038#define PFRES_NORM 4 /* Dropping by normalizer */
1039#define PFRES_MEMORY 5 /* Dropped due to lacking mem */
1040#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */
1041#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */
1042#define PFRES_IPOPTIONS 8 /* IP option */
1043#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */
1044#define PFRES_BADSTATE 10 /* State mismatch */
1045#define PFRES_STATEINS 11 /* State insertion failure */
1046#define PFRES_MAXSTATES 12 /* State limit */
1047#define PFRES_SRCLIMIT 13 /* Source node/conn limit */
1048#define PFRES_SYNPROXY 14 /* SYN proxy */
1049#define PFRES_MAX 15 /* total+1 */
1050
1051#define PFRES_NAMES { \
1052 "match", \
1053 "bad-offset", \
1054 "fragment", \
1055 "short", \
1056 "normalize", \
1057 "memory", \
1058 "bad-timestamp", \
1059 "congestion", \
1060 "ip-option", \
1061 "proto-cksum", \
1062 "state-mismatch", \
1063 "state-insert", \
1064 "state-limit", \
1065 "src-limit", \
1066 "synproxy", \
1067 NULL \
1068}
1069
1070/* Counters for other things we want to keep track of */
1071#define LCNT_STATES 0 /* states */
1072#define LCNT_SRCSTATES 1 /* max-src-states */
1073#define LCNT_SRCNODES 2 /* max-src-nodes */
1074#define LCNT_SRCCONN 3 /* max-src-conn */
1075#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */
1076#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */
1077#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */
1078#define LCNT_MAX 7 /* total+1 */
1079
1080#define LCNT_NAMES { \
1081 "max states per rule", \
1082 "max-src-states", \
1083 "max-src-nodes", \
1084 "max-src-conn", \
1085 "max-src-conn-rate", \
1086 "overload table insertion", \
1087 "overload flush states", \
1088 NULL \
1089}
1090
1091/* UDP state enumeration */
1092#define PFUDPS_NO_TRAFFIC 0
1093#define PFUDPS_SINGLE 1
1094#define PFUDPS_MULTIPLE 2
1095
1096#define PFUDPS_NSTATES 3 /* number of state levels */
1097
1098#define PFUDPS_NAMES { \
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1137 if ((a) != NULL) \
1138 *(a) = (x); \
1139 if (x < PFRES_MAX) \
1140 pf_status.counters[x]++; \
1141 } while (0)
1142
1143struct pf_status {
1144 u_int64_t counters[PFRES_MAX];
1145 u_int64_t lcounters[LCNT_MAX]; /* limit counters */
1146 u_int64_t fcounters[FCNT_MAX];
1147 u_int64_t scounters[SCNT_MAX];
1148 u_int64_t pcounters[2][2][3];
1149 u_int64_t bcounters[2][2];
1150 u_int64_t stateid;
1151 u_int32_t running;
1152 u_int32_t states;
1153 u_int32_t src_nodes;
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1240struct pfioc_pooladdr {
1241 u_int32_t action;
1242 u_int32_t ticket;
1243 u_int32_t nr;
1244 u_int32_t r_num;
1245 u_int8_t r_action;
1246 u_int8_t r_last;
1247 u_int8_t af;
1248 char anchor[MAXPATHLEN];
1249 struct pf_pooladdr addr;
1250};
1251
1252struct pfioc_rule {
1253 u_int32_t action;
1254 u_int32_t ticket;
1255 u_int32_t pool_ticket;
1256 u_int32_t nr;
1257 char anchor[MAXPATHLEN];
1258 char anchor_call[MAXPATHLEN];
1259 struct pf_rule rule;
1260};
1261
1262struct pfioc_natlook {
1263 struct pf_addr saddr;
1264 struct pf_addr daddr;
1265 struct pf_addr rsaddr;
1266 struct pf_addr rdaddr;
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1331struct pfioc_qstats {
1332 u_int32_t ticket;
1333 u_int32_t nr;
1334 void *buf;
1335 int nbytes;
1336 u_int8_t scheduler;
1337};
1338
1339struct pfioc_ruleset {
1340 u_int32_t nr;
1341 char path[MAXPATHLEN];
1342 char name[PF_ANCHOR_NAME_SIZE];
1343};
1344
1345#define PF_RULESET_ALTQ (PF_RULESET_MAX)
1346#define PF_RULESET_TABLE (PF_RULESET_MAX+1)
1347struct pfioc_trans {
1348 int size; /* number of elements */
1349 int esize; /* size of each element in bytes */
1350 struct pfioc_trans_e {
1351 int rs_num;
1352 char anchor[MAXPATHLEN];
1353 u_int32_t ticket;
1354 } *array;
1355};
1356
1357#define PFR_FLAG_ATOMIC 0x00000001
1358#define PFR_FLAG_DUMMY 0x00000002
1359#define PFR_FLAG_FEEDBACK 0x00000004
1360#define PFR_FLAG_CLSTATS 0x00000008
--- 40 unchanged lines hidden (view full) ---
1401
1402
1403/*
1404 * ioctl operations
1405 */
1406
1407#define DIOCSTART _IO ('D', 1)
1408#define DIOCSTOP _IO ('D', 2)
1409#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule)
1410#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule)
1411#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule)
1412/* XXX cut 8 - 17 */
1413#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill)
1414#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state)
1415#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)
1416#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status)
1417#define DIOCCLRSTATUS _IO ('D', 22)
--- 6 unchanged lines hidden (view full) ---
1424#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm)
1425#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state)
1426#define DIOCCLRRULECTRS _IO ('D', 38)
1427#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit)
1428#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit)
1429#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill)
1430#define DIOCSTARTALTQ _IO ('D', 42)
1431#define DIOCSTOPALTQ _IO ('D', 43)
1432#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq)
1433#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq)
1434#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq)
1435#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq)
1436#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats)
1437#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr)
1438#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr)
1439#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr)
1440#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr)
1441#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr)
1442/* XXX cut 55 - 57 */
1443#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset)
1444#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset)
1445#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table)
1446#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table)
1447#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table)
1448#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table)
1449#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table)
1450#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table)
1451#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table)
1452#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table)
1453#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table)
1454#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table)
1455#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table)
1456#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table)
1457#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table)
1458#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table)
1459#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table)
1460#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table)
1461#define DIOCOSFPFLUSH _IO('D', 78)
1462#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl)
1463#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
1464#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
1465#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
1466#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
1467#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
1468#define DIOCCLRSRCNODES _IO('D', 85)
1469#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
1470#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
1471#define DIOCICLRISTATS _IOWR('D', 88, struct pfioc_iface)
1472#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
1473#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
1474#ifdef __FreeBSD__
1475struct pf_ifspeed {
1476 char ifname[IFNAMSIZ];
1477 u_int32_t baudrate;
1478};
1479#define DIOCGIFSPEED _IOWR('D', 91, struct pf_ifspeed)
1480#endif
1481
1482#ifdef _KERNEL
1483RB_HEAD(pf_src_tree, pf_src_node);
1484RB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare);
1485extern struct pf_src_tree tree_src_tracking;
1486
1487RB_HEAD(pf_state_tree_id, pf_state);
1488RB_PROTOTYPE(pf_state_tree_id, pf_state,
1489 entry_id, pf_state_compare_id);
1490extern struct pf_state_tree_id tree_id;
1491extern struct pf_state_queue state_updates;
1492
1493extern struct pf_anchor_global pf_anchors;
1494extern struct pf_ruleset pf_main_ruleset;
1495TAILQ_HEAD(pf_poolqueue, pf_pool);
1496extern struct pf_poolqueue pf_pools[2];
1497TAILQ_HEAD(pf_altqqueue, pf_altq);
1498extern struct pf_altqqueue pf_altqs[2];
1499extern struct pf_palist pf_pabuf;
1500extern struct pfi_kif **pfi_index2kif;
1501
--- 5 unchanged lines hidden (view full) ---
1507extern struct pf_altqqueue *pf_altqs_inactive;
1508extern struct pf_poolqueue *pf_pools_active;
1509extern struct pf_poolqueue *pf_pools_inactive;
1510extern int pf_tbladdr_setup(struct pf_ruleset *,
1511 struct pf_addr_wrap *);
1512extern void pf_tbladdr_remove(struct pf_addr_wrap *);
1513extern void pf_tbladdr_copyout(struct pf_addr_wrap *);
1514extern void pf_calc_skip_steps(struct pf_rulequeue *);
1515#ifdef __FreeBSD__
1516extern uma_zone_t pf_src_tree_pl, pf_rule_pl;
1517extern uma_zone_t pf_state_pl, pf_altq_pl, pf_pooladdr_pl;
1518extern uma_zone_t pfr_ktable_pl, pfr_kentry_pl, pfr_kentry_pl2;
1519extern uma_zone_t pf_cache_pl, pf_cent_pl;
1520extern uma_zone_t pf_state_scrub_pl;
1521extern uma_zone_t pfi_addr_pl;
1522#else
1523extern struct pool pf_src_tree_pl, pf_rule_pl;
1524extern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl;
1525extern struct pool pf_state_scrub_pl;
1526#endif
1527extern void pf_purge_timeout(void *);
1528extern void pf_purge_expired_src_nodes(void);
1529extern void pf_purge_expired_states(void);
1530extern void pf_purge_expired_state(struct pf_state *);
1531extern int pf_insert_state(struct pfi_kif *,
1532 struct pf_state *);
1533extern int pf_insert_src_node(struct pf_src_node **,
1534 struct pf_rule *, struct pf_addr *,
1535 sa_family_t);
1536void pf_src_tree_remove_state(struct pf_state *);
1537extern struct pf_state *pf_find_state_byid(struct pf_state *);
1538extern struct pf_state *pf_find_state_all(struct pf_state *key,
1539 u_int8_t tree, int *more);
1540extern void pf_print_state(struct pf_state *);
1541extern void pf_print_flags(u_int8_t);
1542extern struct pf_anchor *pf_find_anchor(const char *);
1543extern struct pf_ruleset *pf_find_ruleset(const char *);
1544extern struct pf_ruleset *pf_find_or_create_ruleset(const char *);
1545extern void pf_remove_if_empty_ruleset(
1546 struct pf_ruleset *);
1547extern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
1548 u_int8_t);
1549
1550extern struct ifnet *sync_ifp;
1551extern struct pf_rule pf_default_rule;
1552extern void pf_addrcpy(struct pf_addr *, struct pf_addr *,
1553 u_int8_t);
1554void pf_rm_rule(struct pf_rulequeue *,
1555 struct pf_rule *);
1556
1557#ifdef INET
1558#ifdef __FreeBSD__
1559int pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *,
1560 struct inpcb *);
1561#else
1562int pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *);
1563#endif
1564#endif /* INET */
1565
1566#ifdef INET6
1567#ifdef __FreeBSD__
1568int pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *,
1569 struct inpcb *);
1570#else
1571int pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *);
1572#endif
1573void pf_poolmask(struct pf_addr *, struct pf_addr*,
1574 struct pf_addr *, struct pf_addr *, u_int8_t);
1575void pf_addr_inc(struct pf_addr *, sa_family_t);
1576#endif /* INET6 */
1577
1578void *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *,
1579 sa_family_t);
1580void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
1581int pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t,
1582 u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *);
1583int pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *,
1584 struct pf_addr *, sa_family_t);
1585int pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t);
1586int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
1587int pf_match_uid(u_int8_t, uid_t, uid_t, uid_t);
1588int pf_match_gid(u_int8_t, gid_t, gid_t, gid_t);
1589
1590void pf_normalize_init(void);
1591int pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *,
1592 struct pf_pdesc *);
1593int pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *,
1594 struct pf_pdesc *);
1595int pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *,
1596 struct pf_pdesc *);
1597void pf_normalize_tcp_cleanup(struct pf_state *);
1598int pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *,
1599 struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *);
1600int pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *,
1601 u_short *, struct tcphdr *, struct pf_state *,
1602 struct pf_state_peer *, struct pf_state_peer *, int *);
1603u_int32_t
1604 pf_state_expires(const struct pf_state *);
1605void pf_purge_expired_fragments(void);
1606int pf_routable(struct pf_addr *addr, sa_family_t af);
1607int pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *);
1608void pfr_initialize(void);
1609int pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t);
1610void pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t,
1611 u_int64_t, int, int, int);
1612int pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *,
1613 struct pf_addr **, struct pf_addr **, sa_family_t);
1614void pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *);
1615struct pfr_ktable *
1616 pfr_attach_table(struct pf_ruleset *, char *);
1617void pfr_detach_table(struct pfr_ktable *);
1618int pfr_clr_tables(struct pfr_table *, int *, int);
1619int pfr_add_tables(struct pfr_table *, int, int *, int);
1620int pfr_del_tables(struct pfr_table *, int, int *, int);
1621int pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
1622int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
1623int pfr_clr_tstats(struct pfr_table *, int, int *, int);
1624int pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
1625int pfr_clr_addrs(struct pfr_table *, int *, int);
1626int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long);
1627int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1628 int);
1629int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1630 int);
1631int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1632 int *, int *, int *, int);
1633int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
1634int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
--- 22 unchanged lines hidden (view full) ---
1657void pfi_attach_state(struct pfi_kif *);
1658void pfi_detach_state(struct pfi_kif *);
1659int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
1660void pfi_dynaddr_copyout(struct pf_addr_wrap *);
1661void pfi_dynaddr_remove(struct pf_addr_wrap *);
1662void pfi_fill_oldstatus(struct pf_status *);
1663int pfi_clr_istats(const char *, int *, int);
1664int pfi_get_ifaces(const char *, struct pfi_if *, int *, int);
1665int pfi_set_flags(const char *, int);
1666int pfi_clear_flags(const char *, int);
1667int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
1668 sa_family_t);
1669
1670extern struct pfi_statehead pfi_statehead;
1671
1672u_int16_t pf_tagname2tag(char *);
1673void pf_tag2tagname(u_int16_t, char *);
1674void pf_tag_ref(u_int16_t);
1675void pf_tag_unref(u_int16_t);
1676int pf_tag_packet(struct mbuf *, struct pf_tag *, int);
1677u_int32_t pf_qname2qid(char *);
1678void pf_qid2qname(u_int32_t, char *);
1679void pf_qid_unref(u_int32_t);
1680
1681extern struct pf_status pf_status;
1682
--- 69 unchanged lines hidden ---
2/* $OpenBSD: pfvar.h,v 1.213 2005/03/03 07:13:39 dhartmei 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:
--- 18 unchanged lines hidden (view full) ---
29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 */
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
42#include <net/radix.h>
43#include <net/route.h>
44#ifdef __FreeBSD__
45#include <net/if_clone.h>
46#include <vm/uma.h>
47#else
48#include <netinet/ip_ipsp.h>
49#endif
50
51#ifdef __FreeBSD__
--- 7 unchanged lines hidden (view full) ---
59struct inpcb;
60#endif
61
62#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0)
63#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1)
64
65enum { PF_INOUT, PF_IN, PF_OUT };
66enum { PF_LAN_EXT, PF_EXT_GWY, PF_ID };
67enum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT,
68 PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP };
69enum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT,
70 PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX };
71enum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT,
72 PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG };
73enum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY };
74enum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL,
75 PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER,
--- 4 unchanged lines hidden (view full) ---
80 */
81enum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED,
82 PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED,
83 PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE,
84 PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY,
85 PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE,
86 PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL,
87 PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE,
88 PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNTIL_PACKET };
89
90/* PFTM default values */
91#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */
92#define PFTM_TCP_OPENING_VAL 30 /* No response yet */
93#define PFTM_TCP_ESTABLISHED_VAL 24*60*60/* Established */
94#define PFTM_TCP_CLOSING_VAL 15 * 60 /* Half closed */
95#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */
96#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */
97#define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */
98#define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */
99#define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */
100#define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */
101#define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */
102#define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */
103#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */
104#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */
105#define PFTM_FRAG_VAL 30 /* Fragment expire */
106#define PFTM_INTERVAL_VAL 10 /* Expire interval */
107#define PFTM_SRC_NODE_VAL 0 /* Source tracking */
108#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */
109
110enum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO };
111enum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, PF_LIMIT_MAX };
112#define PF_POOL_IDMASK 0x0f
113enum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM,
114 PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN };
115enum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL,
116 PF_ADDR_TABLE, PF_ADDR_RTLABEL };
117#define PF_POOL_TYPEMASK 0x0f
118#define PF_POOL_STICKYADDR 0x20
119#define PF_WSCALE_FLAG 0x80
120#define PF_WSCALE_MASK 0x0f
121
122struct pf_addr {
123 union {
124 struct in_addr v4;
--- 20 unchanged lines hidden (view full) ---
145struct pf_addr_wrap {
146 union {
147 struct {
148 struct pf_addr addr;
149 struct pf_addr mask;
150 } a;
151 char ifname[IFNAMSIZ];
152 char tblname[PF_TABLE_NAME_SIZE];
153#ifdef __FreeBSD__
154#define RTLABEL_LEN 32
155#endif
156 char rtlabelname[RTLABEL_LEN];
157 u_int32_t rtlabel;
158 } v;
159 union {
160 struct pfi_dynaddr *dyn;
161 struct pfr_ktable *tbl;
162 int dyncnt;
163 int tblcnt;
164 } p;
165 u_int8_t type; /* PF_ADDR_* */
--- 221 unchanged lines hidden (view full) ---
387 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
388 (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \
389 } while (0)
390
391#endif /* PF_INET_ONLY */
392#endif /* PF_INET6_ONLY */
393#endif /* PF_INET_INET6 */
394
395#define PF_MISMATCHAW(aw, x, af, neg) \
396 ( \
397 (((aw)->type == PF_ADDR_NOROUTE && \
398 pf_routable((x), (af))) || \
399 ((aw)->type == PF_ADDR_RTLABEL && \
400 !pf_rtlabel_match((x), (af), (aw))) || \
401 ((aw)->type == PF_ADDR_TABLE && \
402 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
403 ((aw)->type == PF_ADDR_DYNIFTL && \
404 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
405 ((aw)->type == PF_ADDR_ADDRMASK && \
406 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
407 !PF_MATCHA(0, &(aw)->v.a.addr, \
408 &(aw)->v.a.mask, (x), (af)))) != \
409 (neg) \
410 )
411
412struct pf_rule_uid {
413 uid_t uid[2];
414 u_int8_t op;
415};
416
417struct pf_rule_gid {
418 uid_t gid[2];
419 u_int8_t op;
420};
421
422struct pf_rule_addr {
423 struct pf_addr_wrap addr;
424 u_int16_t port[2];
425 u_int8_t neg;
426 u_int8_t port_op;
427};
428
429struct pf_pooladdr {
430 struct pf_addr_wrap addr;
431 TAILQ_ENTRY(pf_pooladdr) entries;
432 char ifname[IFNAMSIZ];
433 struct pfi_kif *kif;
--- 125 unchanged lines hidden (view full) ---
559};
560
561
562union pf_rule_ptr {
563 struct pf_rule *ptr;
564 u_int32_t nr;
565};
566
567#define PF_ANCHOR_NAME_SIZE 64
568
569struct pf_rule {
570 struct pf_rule_addr src;
571 struct pf_rule_addr dst;
572#define PF_SKIP_IFP 0
573#define PF_SKIP_DIR 1
574#define PF_SKIP_AF 2
575#define PF_SKIP_PROTO 3
576#define PF_SKIP_SRC_ADDR 4
577#define PF_SKIP_SRC_PORT 5
578#define PF_SKIP_DST_ADDR 6
579#define PF_SKIP_DST_PORT 7
580#define PF_SKIP_COUNT 8
581 union pf_rule_ptr skip[PF_SKIP_COUNT];
582#define PF_RULE_LABEL_SIZE 64
583 char label[PF_RULE_LABEL_SIZE];
584#define PF_QNAME_SIZE 16
585 char ifname[IFNAMSIZ];
586 char qname[PF_QNAME_SIZE];
587 char pqname[PF_QNAME_SIZE];
588#define PF_TAG_NAME_SIZE 16
589 char tagname[PF_TAG_NAME_SIZE];
590 char match_tagname[PF_TAG_NAME_SIZE];
591
592 char overload_tblname[PF_TABLE_NAME_SIZE];
593
594 TAILQ_ENTRY(pf_rule) entries;
595 struct pf_pool rpool;
596
597 u_int64_t evaluations;
598 u_int64_t packets;
599 u_int64_t bytes;
600
601 struct pfi_kif *kif;
602 struct pf_anchor *anchor;
603 struct pfr_ktable *overload_tbl;
604
605 pf_osfp_t os_fingerprint;
606
607 u_int32_t timeout[PFTM_MAX];
608 u_int32_t states;
609 u_int32_t max_states;
610 u_int32_t src_nodes;
611 u_int32_t max_src_nodes;
612 u_int32_t max_src_states;
613 u_int32_t max_src_conn;
614 struct {
615 u_int32_t limit;
616 u_int32_t seconds;
617 } max_src_conn_rate;
618 u_int32_t qid;
619 u_int32_t pqid;
620 u_int32_t rt_listid;
621 u_int32_t nr;
622 u_int32_t prob;
623
624 u_int16_t return_icmp;
625 u_int16_t return_icmp6;
626 u_int16_t max_mss;
627 u_int16_t tag;
628 u_int16_t match_tag;
629
630 struct pf_rule_uid uid;
--- 18 unchanged lines hidden (view full) ---
649 u_int8_t code;
650 u_int8_t flags;
651 u_int8_t flagset;
652 u_int8_t min_ttl;
653 u_int8_t allow_opts;
654 u_int8_t rt;
655 u_int8_t return_ttl;
656 u_int8_t tos;
657 u_int8_t anchor_relative;
658 u_int8_t anchor_wildcard;
659
660#define PF_FLUSH 0x01
661#define PF_FLUSH_GLOBAL 0x02
662 u_int8_t flush;
663};
664
665/* rule flags */
666#define PFRULE_DROP 0x0000
667#define PFRULE_RETURNRST 0x0001
668#define PFRULE_FRAGMENT 0x0002
669#define PFRULE_RETURNICMP 0x0004
670#define PFRULE_RETURN 0x0008
--- 9 unchanged lines hidden (view full) ---
680#define PFRULE_REASSEMBLE_TCP 0x1000
681
682/* rule flags again */
683#define PFRULE_IFBOUND 0x00010000 /* if-bound */
684#define PFRULE_GRBOUND 0x00020000 /* group-bound */
685
686#define PFSTATE_HIWAT 10000 /* default state table size */
687
688
689struct pf_threshold {
690 u_int32_t limit;
691#define PF_THRESHOLD_MULT 1000
692#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT
693 u_int32_t seconds;
694 u_int32_t count;
695 u_int32_t last;
696};
697
698struct pf_src_node {
699 RB_ENTRY(pf_src_node) entry;
700 struct pf_addr addr;
701 struct pf_addr raddr;
702 union pf_rule_ptr rule;
703 struct pfi_kif *kif;
704 u_int32_t bytes;
705 u_int32_t packets;
706 u_int32_t states;
707 u_int32_t conn;
708 struct pf_threshold conn_rate;
709 u_int32_t creation;
710 u_int32_t expire;
711 sa_family_t af;
712 u_int8_t ruletype;
713};
714
715#define PFSNODE_HIWAT 10000 /* default source node table size */
716
717struct pf_state_scrub {
718 struct timeval pfss_last; /* time received last packet */
719 u_int32_t pfss_tsecr; /* last echoed timestamp */
720 u_int32_t pfss_tsval; /* largest timestamp */
721 u_int32_t pfss_tsval0; /* original timestamp */
722 u_int16_t pfss_flags;
723#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */
724#define PFSS_PAWS 0x0010 /* stricter PAWS checks */
725#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */
726#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */
727#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */
728 u_int8_t pfss_ttl; /* stashed TTL */
729 u_int8_t pad;
730 u_int32_t pfss_ts_mod; /* timestamp modulation */
731};
732
733struct pf_state_host {
734 struct pf_addr addr;
735 u_int16_t port;
736 u_int16_t pad;
737};
738
--- 35 unchanged lines hidden (view full) ---
774 struct pf_src_node *src_node;
775 struct pf_src_node *nat_src_node;
776 u_int32_t creation;
777 u_int32_t expire;
778 u_int32_t pfsync_time;
779 u_int32_t packets[2];
780 u_int32_t bytes[2];
781 u_int32_t creatorid;
782 u_int16_t tag;
783 sa_family_t af;
784 u_int8_t proto;
785 u_int8_t direction;
786 u_int8_t log;
787 u_int8_t allow_opts;
788 u_int8_t timeout;
789 u_int8_t sync_flags;
790#define PFSTATE_NOSYNC 0x01
791#define PFSTATE_FROMSYNC 0x02
792#define PFSTATE_STALE 0x04
793 u_int8_t pad;
794};
795
796TAILQ_HEAD(pf_rulequeue, pf_rule);
797
798struct pf_anchor;
799
800struct pf_ruleset {
801 struct {
802 struct pf_rulequeue queues[2];
803 struct {
804 struct pf_rulequeue *ptr;
805 u_int32_t ticket;
806 int open;
807 } active, inactive;
808 } rules[PF_RULESET_MAX];
809 struct pf_anchor *anchor;
810 u_int32_t tticket;
811 int tables;
812 int topen;
813};
814
815RB_HEAD(pf_anchor_global, pf_anchor);
816RB_HEAD(pf_anchor_node, pf_anchor);
817struct pf_anchor {
818 RB_ENTRY(pf_anchor) entry_global;
819 RB_ENTRY(pf_anchor) entry_node;
820 struct pf_anchor *parent;
821 struct pf_anchor_node children;
822 char name[PF_ANCHOR_NAME_SIZE];
823 char path[MAXPATHLEN];
824 struct pf_ruleset ruleset;
825 int refcnt; /* anchor rules */
826};
827RB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare);
828RB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare);
829
830#define PF_RESERVED_ANCHOR "_pf"
831
832#define PFR_TFLAG_PERSIST 0x00000001
833#define PFR_TFLAG_CONST 0x00000002
834#define PFR_TFLAG_ACTIVE 0x00000004
835#define PFR_TFLAG_INACTIVE 0x00000008
836#define PFR_TFLAG_REFERENCED 0x00000010
837#define PFR_TFLAG_REFDANCHOR 0x00000020
838#define PFR_TFLAG_USRMASK 0x00000003
839#define PFR_TFLAG_SETMASK 0x0000003C
840#define PFR_TFLAG_ALLMASK 0x0000003F
841
842struct pfr_table {
843 char pfrt_anchor[MAXPATHLEN];
844 char pfrt_name[PF_TABLE_NAME_SIZE];
845 u_int32_t pfrt_flags;
846 u_int8_t pfrt_fback;
847};
848
849enum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED,
850 PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE,
851 PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX };
--- 53 unchanged lines hidden (view full) ---
905 u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
906 u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
907 SLIST_ENTRY(pfr_kentry) pfrke_workq;
908 long pfrke_tzero;
909 u_int8_t pfrke_af;
910 u_int8_t pfrke_net;
911 u_int8_t pfrke_not;
912 u_int8_t pfrke_mark;
913 u_int8_t pfrke_intrpool;
914};
915
916SLIST_HEAD(pfr_ktableworkq, pfr_ktable);
917RB_HEAD(pfr_ktablehead, pfr_ktable);
918struct pfr_ktable {
919 struct pfr_tstats pfrkt_ts;
920 RB_ENTRY(pfr_ktable) pfrkt_tree;
921 SLIST_ENTRY(pfr_ktable) pfrkt_workq;
--- 66 unchanged lines hidden (view full) ---
988#define pfik_states pfik_if.pfif_states
989#define pfik_rules pfik_if.pfif_rules
990
991#define PFI_IFLAG_GROUP 0x0001 /* group of interfaces */
992#define PFI_IFLAG_INSTANCE 0x0002 /* single instance */
993#define PFI_IFLAG_CLONABLE 0x0010 /* clonable group */
994#define PFI_IFLAG_DYNAMIC 0x0020 /* dynamic group */
995#define PFI_IFLAG_ATTACHED 0x0040 /* interface attached */
996#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */
997#define PFI_IFLAG_SETABLE_MASK 0x0100 /* setable via DIOC{SET,CLR}IFFLAG */
998#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */
999
1000struct pf_pdesc {
1001 u_int64_t tot_len; /* Make Mickey money */
1002 union {
1003 struct tcphdr *tcp;
1004 struct udphdr *udp;
1005 struct icmp *icmp;
1006#ifdef INET6
1007 struct icmp6_hdr *icmp6;
1008#endif /* INET6 */
1009 void *any;
1010 } hdr;
1011 struct pf_addr baddr; /* address before translation */
1012 struct pf_addr naddr; /* address after translation */
1013 struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */
1014 struct pf_addr *src;
1015 struct pf_addr *dst;
1016 struct ether_header
1017 *eh;
1018 u_int16_t *ip_sum;
1019 u_int32_t p_len; /* total length of payload */
1020 u_int16_t flags; /* Let SCRUB trigger behavior in
1021 * state code. Easier than tags */
1022#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
1023#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */
1024 sa_family_t af;
1025 u_int8_t proto;
1026 u_int8_t tos;
1027};
1028
1029/* flags for RDR options */
1030#define PF_DPORT_RANGE 0x01 /* Dest port uses range */
1031#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */
1032
1033/* Reasons code for passing/dropping a packet */
1034#define PFRES_MATCH 0 /* Explicit match of a rule */
1035#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */
1036#define PFRES_FRAG 2 /* Dropping following fragment */
1037#define PFRES_SHORT 3 /* Dropping short packet */
1038#define PFRES_NORM 4 /* Dropping by normalizer */
1039#define PFRES_MEMORY 5 /* Dropped due to lacking mem */
1040#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */
1041#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */
1042#define PFRES_IPOPTIONS 8 /* IP option */
1043#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */
1044#define PFRES_BADSTATE 10 /* State mismatch */
1045#define PFRES_STATEINS 11 /* State insertion failure */
1046#define PFRES_MAXSTATES 12 /* State limit */
1047#define PFRES_SRCLIMIT 13 /* Source node/conn limit */
1048#define PFRES_SYNPROXY 14 /* SYN proxy */
1049#define PFRES_MAX 15 /* total+1 */
1050
1051#define PFRES_NAMES { \
1052 "match", \
1053 "bad-offset", \
1054 "fragment", \
1055 "short", \
1056 "normalize", \
1057 "memory", \
1058 "bad-timestamp", \
1059 "congestion", \
1060 "ip-option", \
1061 "proto-cksum", \
1062 "state-mismatch", \
1063 "state-insert", \
1064 "state-limit", \
1065 "src-limit", \
1066 "synproxy", \
1067 NULL \
1068}
1069
1070/* Counters for other things we want to keep track of */
1071#define LCNT_STATES 0 /* states */
1072#define LCNT_SRCSTATES 1 /* max-src-states */
1073#define LCNT_SRCNODES 2 /* max-src-nodes */
1074#define LCNT_SRCCONN 3 /* max-src-conn */
1075#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */
1076#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */
1077#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */
1078#define LCNT_MAX 7 /* total+1 */
1079
1080#define LCNT_NAMES { \
1081 "max states per rule", \
1082 "max-src-states", \
1083 "max-src-nodes", \
1084 "max-src-conn", \
1085 "max-src-conn-rate", \
1086 "overload table insertion", \
1087 "overload flush states", \
1088 NULL \
1089}
1090
1091/* UDP state enumeration */
1092#define PFUDPS_NO_TRAFFIC 0
1093#define PFUDPS_SINGLE 1
1094#define PFUDPS_MULTIPLE 2
1095
1096#define PFUDPS_NSTATES 3 /* number of state levels */
1097
1098#define PFUDPS_NAMES { \
--- 38 unchanged lines hidden (view full) ---
1137 if ((a) != NULL) \
1138 *(a) = (x); \
1139 if (x < PFRES_MAX) \
1140 pf_status.counters[x]++; \
1141 } while (0)
1142
1143struct pf_status {
1144 u_int64_t counters[PFRES_MAX];
1145 u_int64_t lcounters[LCNT_MAX]; /* limit counters */
1146 u_int64_t fcounters[FCNT_MAX];
1147 u_int64_t scounters[SCNT_MAX];
1148 u_int64_t pcounters[2][2][3];
1149 u_int64_t bcounters[2][2];
1150 u_int64_t stateid;
1151 u_int32_t running;
1152 u_int32_t states;
1153 u_int32_t src_nodes;
--- 86 unchanged lines hidden (view full) ---
1240struct pfioc_pooladdr {
1241 u_int32_t action;
1242 u_int32_t ticket;
1243 u_int32_t nr;
1244 u_int32_t r_num;
1245 u_int8_t r_action;
1246 u_int8_t r_last;
1247 u_int8_t af;
1248 char anchor[MAXPATHLEN];
1249 struct pf_pooladdr addr;
1250};
1251
1252struct pfioc_rule {
1253 u_int32_t action;
1254 u_int32_t ticket;
1255 u_int32_t pool_ticket;
1256 u_int32_t nr;
1257 char anchor[MAXPATHLEN];
1258 char anchor_call[MAXPATHLEN];
1259 struct pf_rule rule;
1260};
1261
1262struct pfioc_natlook {
1263 struct pf_addr saddr;
1264 struct pf_addr daddr;
1265 struct pf_addr rsaddr;
1266 struct pf_addr rdaddr;
--- 64 unchanged lines hidden (view full) ---
1331struct pfioc_qstats {
1332 u_int32_t ticket;
1333 u_int32_t nr;
1334 void *buf;
1335 int nbytes;
1336 u_int8_t scheduler;
1337};
1338
1339struct pfioc_ruleset {
1340 u_int32_t nr;
1341 char path[MAXPATHLEN];
1342 char name[PF_ANCHOR_NAME_SIZE];
1343};
1344
1345#define PF_RULESET_ALTQ (PF_RULESET_MAX)
1346#define PF_RULESET_TABLE (PF_RULESET_MAX+1)
1347struct pfioc_trans {
1348 int size; /* number of elements */
1349 int esize; /* size of each element in bytes */
1350 struct pfioc_trans_e {
1351 int rs_num;
1352 char anchor[MAXPATHLEN];
1353 u_int32_t ticket;
1354 } *array;
1355};
1356
1357#define PFR_FLAG_ATOMIC 0x00000001
1358#define PFR_FLAG_DUMMY 0x00000002
1359#define PFR_FLAG_FEEDBACK 0x00000004
1360#define PFR_FLAG_CLSTATS 0x00000008
--- 40 unchanged lines hidden (view full) ---
1401
1402
1403/*
1404 * ioctl operations
1405 */
1406
1407#define DIOCSTART _IO ('D', 1)
1408#define DIOCSTOP _IO ('D', 2)
1409#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule)
1410#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule)
1411#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule)
1412/* XXX cut 8 - 17 */
1413#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill)
1414#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state)
1415#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)
1416#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status)
1417#define DIOCCLRSTATUS _IO ('D', 22)
--- 6 unchanged lines hidden (view full) ---
1424#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm)
1425#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state)
1426#define DIOCCLRRULECTRS _IO ('D', 38)
1427#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit)
1428#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit)
1429#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill)
1430#define DIOCSTARTALTQ _IO ('D', 42)
1431#define DIOCSTOPALTQ _IO ('D', 43)
1432#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq)
1433#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq)
1434#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq)
1435#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq)
1436#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats)
1437#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr)
1438#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr)
1439#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr)
1440#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr)
1441#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr)
1442/* XXX cut 55 - 57 */
1443#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset)
1444#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset)
1445#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table)
1446#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table)
1447#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table)
1448#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table)
1449#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table)
1450#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table)
1451#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table)
1452#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table)
1453#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table)
1454#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table)
1455#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table)
1456#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table)
1457#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table)
1458#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table)
1459#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table)
1460#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table)
1461#define DIOCOSFPFLUSH _IO('D', 78)
1462#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl)
1463#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
1464#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
1465#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
1466#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
1467#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
1468#define DIOCCLRSRCNODES _IO('D', 85)
1469#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
1470#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
1471#define DIOCICLRISTATS _IOWR('D', 88, struct pfioc_iface)
1472#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
1473#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
1474#ifdef __FreeBSD__
1475struct pf_ifspeed {
1476 char ifname[IFNAMSIZ];
1477 u_int32_t baudrate;
1478};
1479#define DIOCGIFSPEED _IOWR('D', 91, struct pf_ifspeed)
1480#endif
1481
1482#ifdef _KERNEL
1483RB_HEAD(pf_src_tree, pf_src_node);
1484RB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare);
1485extern struct pf_src_tree tree_src_tracking;
1486
1487RB_HEAD(pf_state_tree_id, pf_state);
1488RB_PROTOTYPE(pf_state_tree_id, pf_state,
1489 entry_id, pf_state_compare_id);
1490extern struct pf_state_tree_id tree_id;
1491extern struct pf_state_queue state_updates;
1492
1493extern struct pf_anchor_global pf_anchors;
1494extern struct pf_ruleset pf_main_ruleset;
1495TAILQ_HEAD(pf_poolqueue, pf_pool);
1496extern struct pf_poolqueue pf_pools[2];
1497TAILQ_HEAD(pf_altqqueue, pf_altq);
1498extern struct pf_altqqueue pf_altqs[2];
1499extern struct pf_palist pf_pabuf;
1500extern struct pfi_kif **pfi_index2kif;
1501
--- 5 unchanged lines hidden (view full) ---
1507extern struct pf_altqqueue *pf_altqs_inactive;
1508extern struct pf_poolqueue *pf_pools_active;
1509extern struct pf_poolqueue *pf_pools_inactive;
1510extern int pf_tbladdr_setup(struct pf_ruleset *,
1511 struct pf_addr_wrap *);
1512extern void pf_tbladdr_remove(struct pf_addr_wrap *);
1513extern void pf_tbladdr_copyout(struct pf_addr_wrap *);
1514extern void pf_calc_skip_steps(struct pf_rulequeue *);
1515#ifdef __FreeBSD__
1516extern uma_zone_t pf_src_tree_pl, pf_rule_pl;
1517extern uma_zone_t pf_state_pl, pf_altq_pl, pf_pooladdr_pl;
1518extern uma_zone_t pfr_ktable_pl, pfr_kentry_pl, pfr_kentry_pl2;
1519extern uma_zone_t pf_cache_pl, pf_cent_pl;
1520extern uma_zone_t pf_state_scrub_pl;
1521extern uma_zone_t pfi_addr_pl;
1522#else
1523extern struct pool pf_src_tree_pl, pf_rule_pl;
1524extern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl;
1525extern struct pool pf_state_scrub_pl;
1526#endif
1527extern void pf_purge_timeout(void *);
1528extern void pf_purge_expired_src_nodes(void);
1529extern void pf_purge_expired_states(void);
1530extern void pf_purge_expired_state(struct pf_state *);
1531extern int pf_insert_state(struct pfi_kif *,
1532 struct pf_state *);
1533extern int pf_insert_src_node(struct pf_src_node **,
1534 struct pf_rule *, struct pf_addr *,
1535 sa_family_t);
1536void pf_src_tree_remove_state(struct pf_state *);
1537extern struct pf_state *pf_find_state_byid(struct pf_state *);
1538extern struct pf_state *pf_find_state_all(struct pf_state *key,
1539 u_int8_t tree, int *more);
1540extern void pf_print_state(struct pf_state *);
1541extern void pf_print_flags(u_int8_t);
1542extern struct pf_anchor *pf_find_anchor(const char *);
1543extern struct pf_ruleset *pf_find_ruleset(const char *);
1544extern struct pf_ruleset *pf_find_or_create_ruleset(const char *);
1545extern void pf_remove_if_empty_ruleset(
1546 struct pf_ruleset *);
1547extern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
1548 u_int8_t);
1549
1550extern struct ifnet *sync_ifp;
1551extern struct pf_rule pf_default_rule;
1552extern void pf_addrcpy(struct pf_addr *, struct pf_addr *,
1553 u_int8_t);
1554void pf_rm_rule(struct pf_rulequeue *,
1555 struct pf_rule *);
1556
1557#ifdef INET
1558#ifdef __FreeBSD__
1559int pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *,
1560 struct inpcb *);
1561#else
1562int pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *);
1563#endif
1564#endif /* INET */
1565
1566#ifdef INET6
1567#ifdef __FreeBSD__
1568int pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *,
1569 struct inpcb *);
1570#else
1571int pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *);
1572#endif
1573void pf_poolmask(struct pf_addr *, struct pf_addr*,
1574 struct pf_addr *, struct pf_addr *, u_int8_t);
1575void pf_addr_inc(struct pf_addr *, sa_family_t);
1576#endif /* INET6 */
1577
1578void *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *,
1579 sa_family_t);
1580void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
1581int pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t,
1582 u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *);
1583int pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *,
1584 struct pf_addr *, sa_family_t);
1585int pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t);
1586int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
1587int pf_match_uid(u_int8_t, uid_t, uid_t, uid_t);
1588int pf_match_gid(u_int8_t, gid_t, gid_t, gid_t);
1589
1590void pf_normalize_init(void);
1591int pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *,
1592 struct pf_pdesc *);
1593int pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *,
1594 struct pf_pdesc *);
1595int pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *,
1596 struct pf_pdesc *);
1597void pf_normalize_tcp_cleanup(struct pf_state *);
1598int pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *,
1599 struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *);
1600int pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *,
1601 u_short *, struct tcphdr *, struct pf_state *,
1602 struct pf_state_peer *, struct pf_state_peer *, int *);
1603u_int32_t
1604 pf_state_expires(const struct pf_state *);
1605void pf_purge_expired_fragments(void);
1606int pf_routable(struct pf_addr *addr, sa_family_t af);
1607int pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *);
1608void pfr_initialize(void);
1609int pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t);
1610void pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t,
1611 u_int64_t, int, int, int);
1612int pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *,
1613 struct pf_addr **, struct pf_addr **, sa_family_t);
1614void pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *);
1615struct pfr_ktable *
1616 pfr_attach_table(struct pf_ruleset *, char *);
1617void pfr_detach_table(struct pfr_ktable *);
1618int pfr_clr_tables(struct pfr_table *, int *, int);
1619int pfr_add_tables(struct pfr_table *, int, int *, int);
1620int pfr_del_tables(struct pfr_table *, int, int *, int);
1621int pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
1622int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
1623int pfr_clr_tstats(struct pfr_table *, int, int *, int);
1624int pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
1625int pfr_clr_addrs(struct pfr_table *, int *, int);
1626int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long);
1627int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1628 int);
1629int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1630 int);
1631int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1632 int *, int *, int *, int);
1633int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
1634int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
--- 22 unchanged lines hidden (view full) ---
1657void pfi_attach_state(struct pfi_kif *);
1658void pfi_detach_state(struct pfi_kif *);
1659int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
1660void pfi_dynaddr_copyout(struct pf_addr_wrap *);
1661void pfi_dynaddr_remove(struct pf_addr_wrap *);
1662void pfi_fill_oldstatus(struct pf_status *);
1663int pfi_clr_istats(const char *, int *, int);
1664int pfi_get_ifaces(const char *, struct pfi_if *, int *, int);
1665int pfi_set_flags(const char *, int);
1666int pfi_clear_flags(const char *, int);
1667int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
1668 sa_family_t);
1669
1670extern struct pfi_statehead pfi_statehead;
1671
1672u_int16_t pf_tagname2tag(char *);
1673void pf_tag2tagname(u_int16_t, char *);
1674void pf_tag_ref(u_int16_t);
1675void pf_tag_unref(u_int16_t);
1676int pf_tag_packet(struct mbuf *, struct pf_tag *, int);
1677u_int32_t pf_qname2qid(char *);
1678void pf_qid2qname(u_int32_t, char *);
1679void pf_qid_unref(u_int32_t);
1680
1681extern struct pf_status pf_status;
1682
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