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: --- 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_ */ |