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2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 | /* * Copyright (c) 2007-2017 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* $apfw: git commit b6bf13f8321283cd7ee82b1795e86506084b1b95 $ */ /* $OpenBSD: pfvar.h,v 1.259 2007/12/02 12:08:04 pascoe Exp $ */ /* * Copyright (c) 2001 Daniel Hartmeier * NAT64 - Copyright (c) 2010 Viagenie Inc. (http://www.viagenie.ca) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ #ifndef _NET_PFVAR_H_ #define _NET_PFVAR_H_ #ifdef PRIVATE /* * XXX * XXX Private interfaces. Do not include this file; use pfctl(8) instead. * XXX */ #if PF || !defined(KERNEL) #ifdef __cplusplus extern "C" { #endif #include <stdbool.h> #include <sys/param.h> #include <sys/types.h> #include <sys/queue.h> #include <libkern/tree.h> #include <net/radix.h> #include <netinet/in.h> #include <net/if_var.h> #ifdef KERNEL #include <kern/kern_types.h> #include <kern/zalloc.h> #include <kern/locks.h> #include <machine/endian.h> #include <sys/systm.h> #include <net/pf_pbuf.h> #if BYTE_ORDER == BIG_ENDIAN #define htobe64(x) (x) #else /* LITTLE ENDIAN */ #define htobe64(x) __DARWIN_OSSwapInt64(x) #endif /* LITTLE_ENDIAN */ #define be64toh(x) htobe64(x) extern lck_rw_t *pf_perim_lock; extern lck_mtx_t *pf_lock; struct pool { struct zone *pool_zone; /* pointer to backend zone */ const char *pool_name; /* name of pool */ unsigned int pool_count; /* # of outstanding elements */ unsigned int pool_hiwat; /* high watermark */ unsigned int pool_limit; /* hard limit */ unsigned int pool_fails; /* # of failed allocs due to limit */ }; #define PR_NOWAIT FALSE #define PR_WAITOK TRUE __private_extern__ void pool_init(struct pool *, size_t, unsigned int, unsigned int, int, const char *, void *); __private_extern__ void pool_destroy(struct pool *); __private_extern__ void pool_sethiwat(struct pool *, int); __private_extern__ void pool_sethardlimit(struct pool *, int, const char *, int); __private_extern__ void *pool_get(struct pool *, int); __private_extern__ void pool_put(struct pool *, void *); __private_extern__ u_int64_t pf_time_second(void); __private_extern__ u_int64_t pf_calendar_time_second(void); #endif /* KERNEL */ union sockaddr_union { struct sockaddr sa; struct sockaddr_in sin; struct sockaddr_in6 sin6; }; #define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0) #define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1) #define PF_MD5_DIGEST_LENGTH 16 #ifdef MD5_DIGEST_LENGTH #if PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH #error #endif /* PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH */ #endif /* MD5_DIGEST_LENGTH */ #ifdef KERNEL struct ip; struct ip6_hdr; struct tcphdr; struct pf_grev1_hdr; struct pf_esp_hdr; #endif /* KERNEL */ #define PF_GRE_PPTP_VARIANT 0x01 enum { PF_INOUT, PF_IN, PF_OUT }; enum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT, PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP, PF_DUMMYNET, PF_NODUMMYNET, PF_NAT64, PF_NONAT64 }; enum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT, PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_DUMMYNET, PF_RULESET_MAX }; enum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT, PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG }; enum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY }; enum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL, PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER, PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET }; enum { PF_GET_NONE, PF_GET_CLR_CNTR }; /* * Note about PFTM_*: real indices into pf_rule.timeout[] come before * PFTM_MAX, special cases afterwards. See pf_state_expires(). */ enum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED, PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED, PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE, PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY, PFTM_GREv1_FIRST_PACKET, PFTM_GREv1_INITIATING, PFTM_GREv1_ESTABLISHED, PFTM_ESP_FIRST_PACKET, PFTM_ESP_INITIATING, PFTM_ESP_ESTABLISHED, PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE, PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL, PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE, PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNLINKED }; /* PFTM default values */ #define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */ #define PFTM_TCP_OPENING_VAL 30 /* No response yet */ #define PFTM_TCP_ESTABLISHED_VAL (24 * 60 * 60) /* Established */ #define PFTM_TCP_CLOSING_VAL (15 * 60) /* Half closed */ #define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */ #define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */ #define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */ #define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */ #define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */ #define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */ #define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */ #define PFTM_GREv1_FIRST_PACKET_VAL 120 #define PFTM_GREv1_INITIATING_VAL 30 #define PFTM_GREv1_ESTABLISHED_VAL 1800 #define PFTM_ESP_FIRST_PACKET_VAL 120 #define PFTM_ESP_INITIATING_VAL 30 #define PFTM_ESP_ESTABLISHED_VAL 900 #define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */ #define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */ #define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */ #define PFTM_FRAG_VAL 30 /* Fragment expire */ #define PFTM_INTERVAL_VAL 10 /* Expire interval */ #define PFTM_SRC_NODE_VAL 0 /* Source tracking */ #define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */ enum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO }; enum { PF_LIMIT_STATES, PF_LIMIT_APP_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, PF_LIMIT_TABLES, PF_LIMIT_TABLE_ENTRIES, PF_LIMIT_MAX }; #define PF_POOL_IDMASK 0x0f enum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM, PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN }; enum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL, PF_ADDR_TABLE, PF_ADDR_RTLABEL, PF_ADDR_URPFFAILED, PF_ADDR_RANGE }; #define PF_POOL_TYPEMASK 0x0f #define PF_POOL_STICKYADDR 0x20 #define PF_WSCALE_FLAG 0x80 #define PF_WSCALE_MASK 0x0f #define PF_LOG 0x01 #define PF_LOG_ALL 0x02 #define PF_LOG_SOCKET_LOOKUP 0x04 struct pf_addr { union { struct in_addr _v4addr; struct in6_addr _v6addr; u_int8_t _addr8[16]; u_int16_t _addr16[8]; u_int32_t _addr32[4]; } pfa; /* 128-bit address */ #define v4addr pfa._v4addr #define v6addr pfa._v6addr #define addr8 pfa._addr8 #define addr16 pfa._addr16 #define addr32 pfa._addr32 }; #define PF_TABLE_NAME_SIZE 32 #define PFI_AFLAG_NETWORK 0x01 #define PFI_AFLAG_BROADCAST 0x02 #define PFI_AFLAG_PEER 0x04 #define PFI_AFLAG_MODEMASK 0x07 #define PFI_AFLAG_NOALIAS 0x08 #ifndef RTLABEL_LEN #define RTLABEL_LEN 32 #endif struct pf_addr_wrap { union { struct { struct pf_addr addr; struct pf_addr mask; } a; char ifname[IFNAMSIZ]; char tblname[PF_TABLE_NAME_SIZE]; char rtlabelname[RTLABEL_LEN]; u_int32_t rtlabel; } v; union { #ifdef KERNEL struct pfi_dynaddr *dyn __attribute__((aligned(8))); struct pfr_ktable *tbl __attribute__((aligned(8))); #else /* !KERNEL */ void *dyn __attribute__((aligned(8))); void *tbl __attribute__((aligned(8))); #endif /* !KERNEL */ int dyncnt __attribute__((aligned(8))); int tblcnt __attribute__((aligned(8))); } p __attribute__((aligned(8))); u_int8_t type; /* PF_ADDR_* */ u_int8_t iflags; /* PFI_AFLAG_* */ }; struct pf_port_range { u_int16_t port[2]; u_int8_t op; }; union pf_rule_xport { struct pf_port_range range; u_int16_t call_id; u_int32_t spi; }; #ifdef KERNEL struct pfi_dynaddr { TAILQ_ENTRY(pfi_dynaddr) entry; struct pf_addr pfid_addr4; struct pf_addr pfid_mask4; struct pf_addr pfid_addr6; struct pf_addr pfid_mask6; struct pfr_ktable *pfid_kt; struct pfi_kif *pfid_kif; void *pfid_hook_cookie; int pfid_net; /* mask or 128 */ int pfid_acnt4; /* address count IPv4 */ int pfid_acnt6; /* address count IPv6 */ sa_family_t pfid_af; /* rule af */ u_int8_t pfid_iflags; /* PFI_AFLAG_* */ }; /* * Address manipulation macros */ #if INET #if !INET6 #define PF_INET_ONLY #endif /* ! INET6 */ #endif /* INET */ #if INET6 #if !INET #define PF_INET6_ONLY #endif /* ! INET */ #endif /* INET6 */ #if INET #if INET6 #define PF_INET_INET6 #endif /* INET6 */ #endif /* INET */ #else /* !KERNEL */ #define PF_INET_INET6 #endif /* !KERNEL */ /* Both IPv4 and IPv6 */ #ifdef PF_INET_INET6 #define PF_AEQ(a, b, c) \ ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \ ((a)->addr32[3] == (b)->addr32[3] && \ (a)->addr32[2] == (b)->addr32[2] && \ (a)->addr32[1] == (b)->addr32[1] && \ (a)->addr32[0] == (b)->addr32[0])) \ #define PF_ANEQ(a, b, c) \ ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \ ((a)->addr32[3] != (b)->addr32[3] || \ (a)->addr32[2] != (b)->addr32[2] || \ (a)->addr32[1] != (b)->addr32[1] || \ (a)->addr32[0] != (b)->addr32[0])) \ #define PF_ALEQ(a, b, c) \ ((c == AF_INET && (a)->addr32[0] <= (b)->addr32[0]) || \ ((a)->addr32[3] <= (b)->addr32[3] && \ (a)->addr32[2] <= (b)->addr32[2] && \ (a)->addr32[1] <= (b)->addr32[1] && \ (a)->addr32[0] <= (b)->addr32[0])) \ #define PF_AZERO(a, c) \ ((c == AF_INET && !(a)->addr32[0]) || \ (!(a)->addr32[0] && !(a)->addr32[1] && \ !(a)->addr32[2] && !(a)->addr32[3])) \ #define PF_MATCHA(n, a, m, b, f) \ pf_match_addr(n, a, m, b, f) #define PF_ACPY(a, b, f) \ pf_addrcpy(a, b, f) #define PF_AINC(a, f) \ pf_addr_inc(a, f) #define PF_POOLMASK(a, b, c, d, f) \ pf_poolmask(a, b, c, d, f) #else /* Just IPv6 */ #ifdef PF_INET6_ONLY #define PF_AEQ(a, b, c) \ ((a)->addr32[3] == (b)->addr32[3] && \ (a)->addr32[2] == (b)->addr32[2] && \ (a)->addr32[1] == (b)->addr32[1] && \ (a)->addr32[0] == (b)->addr32[0]) \ #define PF_ANEQ(a, b, c) \ ((a)->addr32[3] != (b)->addr32[3] || \ (a)->addr32[2] != (b)->addr32[2] || \ (a)->addr32[1] != (b)->addr32[1] || \ (a)->addr32[0] != (b)->addr32[0]) \ #define PF_ALEQ(a, b, c) \ ((a)->addr32[3] <= (b)->addr32[3] && \ (a)->addr32[2] <= (b)->addr32[2] && \ (a)->addr32[1] <= (b)->addr32[1] && \ (a)->addr32[0] <= (b)->addr32[0]) \ #define PF_AZERO(a, c) \ (!(a)->addr32[0] && \ !(a)->addr32[1] && \ !(a)->addr32[2] && \ !(a)->addr32[3]) \ #define PF_MATCHA(n, a, m, b, f) \ pf_match_addr(n, a, m, b, f) #define PF_ACPY(a, b, f) \ pf_addrcpy(a, b, f) #define PF_AINC(a, f) \ pf_addr_inc(a, f) #define PF_POOLMASK(a, b, c, d, f) \ pf_poolmask(a, b, c, d, f) #else /* Just IPv4 */ #ifdef PF_INET_ONLY #define PF_AEQ(a, b, c) \ ((a)->addr32[0] == (b)->addr32[0]) #define PF_ANEQ(a, b, c) \ ((a)->addr32[0] != (b)->addr32[0]) #define PF_ALEQ(a, b, c) \ ((a)->addr32[0] <= (b)->addr32[0]) #define PF_AZERO(a, c) \ (!(a)->addr32[0]) #define PF_MATCHA(n, a, m, b, f) \ pf_match_addr(n, a, m, b, f) #define PF_ACPY(a, b, f) \ (a)->v4.s_addr = (b)->v4.s_addr #define PF_AINC(a, f) \ do { \ (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \ } while (0) #define PF_POOLMASK(a, b, c, d, f) \ do { \ (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \ (((c)->addr32[0] ^ 0xffffffff) & (d)->addr32[0]); \ } while (0) #endif /* PF_INET_ONLY */ #endif /* PF_INET6_ONLY */ #endif /* PF_INET_INET6 */ #ifdef KERNEL #define PF_MISMATCHAW(aw, x, af, neg, ifp) \ ( \ (((aw)->type == PF_ADDR_NOROUTE && \ pf_routable((x), (af), NULL)) || \ (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \ pf_routable((x), (af), (ifp))) || \ ((aw)->type == PF_ADDR_RTLABEL && \ !pf_rtlabel_match((x), (af), (aw))) || \ ((aw)->type == PF_ADDR_TABLE && \ !pfr_match_addr((aw)->p.tbl, (x), (af))) || \ ((aw)->type == PF_ADDR_DYNIFTL && \ !pfi_match_addr((aw)->p.dyn, (x), (af))) || \ ((aw)->type == PF_ADDR_RANGE && \ !pf_match_addr_range(&(aw)->v.a.addr, \ &(aw)->v.a.mask, (x), (af))) || \ ((aw)->type == PF_ADDR_ADDRMASK && \ !PF_AZERO(&(aw)->v.a.mask, (af)) && \ !PF_MATCHA(0, &(aw)->v.a.addr, \ &(aw)->v.a.mask, (x), (af))))) != \ (neg) \ ) #endif /* KERNEL */ struct pf_rule_uid { uid_t uid[2]; u_int8_t op; u_int8_t _pad[3]; }; struct pf_rule_gid { uid_t gid[2]; u_int8_t op; u_int8_t _pad[3]; }; struct pf_rule_addr { struct pf_addr_wrap addr; union pf_rule_xport xport; u_int8_t neg; }; struct pf_pooladdr { struct pf_addr_wrap addr; TAILQ_ENTRY(pf_pooladdr) entries; #if !defined(__LP64__) u_int32_t _pad[2]; #endif /* !__LP64__ */ char ifname[IFNAMSIZ]; #ifdef KERNEL struct pfi_kif *kif __attribute__((aligned(8))); #else /* !KERNEL */ void *kif __attribute__((aligned(8))); #endif /* !KERNEL */ }; TAILQ_HEAD(pf_palist, pf_pooladdr); struct pf_poolhashkey { union { u_int8_t key8[16]; u_int16_t key16[8]; u_int32_t key32[4]; } pfk; /* 128-bit hash key */ #define key8 pfk.key8 #define key16 pfk.key16 #define key32 pfk.key32 }; struct pf_pool { struct pf_palist list; #if !defined(__LP64__) u_int32_t _pad[2]; #endif /* !__LP64__ */ #ifdef KERNEL struct pf_pooladdr *cur __attribute__((aligned(8))); #else /* !KERNEL */ void *cur __attribute__((aligned(8))); #endif /* !KERNEL */ struct pf_poolhashkey key __attribute__((aligned(8))); struct pf_addr counter; int tblidx; u_int16_t proxy_port[2]; u_int8_t port_op; u_int8_t opts; sa_family_t af; }; /* A packed Operating System description for fingerprinting */ typedef u_int32_t pf_osfp_t; #define PF_OSFP_ANY ((pf_osfp_t)0) #define PF_OSFP_UNKNOWN ((pf_osfp_t)-1) #define PF_OSFP_NOMATCH ((pf_osfp_t)-2) struct pf_osfp_entry { SLIST_ENTRY(pf_osfp_entry) fp_entry; #if !defined(__LP64__) u_int32_t _pad; #endif /* !__LP64__ */ pf_osfp_t fp_os; int fp_enflags; #define PF_OSFP_EXPANDED 0x001 /* expanded entry */ #define PF_OSFP_GENERIC 0x002 /* generic signature */ #define PF_OSFP_NODETAIL 0x004 /* no p0f details */ #define PF_OSFP_LEN 32 char fp_class_nm[PF_OSFP_LEN]; char fp_version_nm[PF_OSFP_LEN]; char fp_subtype_nm[PF_OSFP_LEN]; }; #define PF_OSFP_ENTRY_EQ(a, b) \ ((a)->fp_os == (b)->fp_os && \ memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \ memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \ memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0) /* handle pf_osfp_t packing */ #define _FP_RESERVED_BIT 1 /* For the special negative #defines */ #define _FP_UNUSED_BITS 1 #define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */ #define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */ #define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */ #define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \ (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \ ((1 << _FP_CLASS_BITS) - 1); \ (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \ ((1 << _FP_VERSION_BITS) - 1);\ (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \ } while (0) #define PF_OSFP_PACK(osfp, class, version, subtype) do { \ (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \ + _FP_SUBTYPE_BITS); \ (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \ _FP_SUBTYPE_BITS; \ (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \ } while (0) /* the fingerprint of an OSes TCP SYN packet */ typedef u_int64_t pf_tcpopts_t; struct pf_os_fingerprint { SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */ pf_tcpopts_t fp_tcpopts; /* packed TCP options */ u_int16_t fp_wsize; /* TCP window size */ u_int16_t fp_psize; /* ip->ip_len */ u_int16_t fp_mss; /* TCP MSS */ u_int16_t fp_flags; #define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */ #define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */ #define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */ #define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */ #define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */ #define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */ #define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */ #define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */ #define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */ #define PF_OSFP_MSS 0x0200 /* TCP MSS */ #define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */ #define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */ #define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */ #define PF_OSFP_TS0 0x2000 /* Zero timestamp */ #define PF_OSFP_INET6 0x4000 /* IPv6 */ u_int8_t fp_optcnt; /* TCP option count */ u_int8_t fp_wscale; /* TCP window scaling */ u_int8_t fp_ttl; /* IPv4 TTL */ #define PF_OSFP_MAXTTL_OFFSET 40 /* TCP options packing */ #define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */ #define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */ #define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */ #define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */ #define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */ #define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */ #define PF_OSFP_MAX_OPTS \ (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \ / PF_OSFP_TCPOPT_BITS SLIST_ENTRY(pf_os_fingerprint) fp_next; }; struct pf_osfp_ioctl { struct pf_osfp_entry fp_os; pf_tcpopts_t fp_tcpopts; /* packed TCP options */ u_int16_t fp_wsize; /* TCP window size */ u_int16_t fp_psize; /* ip->ip_len */ u_int16_t fp_mss; /* TCP MSS */ u_int16_t fp_flags; u_int8_t fp_optcnt; /* TCP option count */ u_int8_t fp_wscale; /* TCP window scaling */ u_int8_t fp_ttl; /* IPv4 TTL */ int fp_getnum; /* DIOCOSFPGET number */ }; union pf_rule_ptr { struct pf_rule *ptr __attribute__((aligned(8))); u_int32_t nr __attribute__((aligned(8))); } __attribute__((aligned(8))); #define PF_ANCHOR_NAME_SIZE 64 struct pf_rule { struct pf_rule_addr src; struct pf_rule_addr dst; #define PF_SKIP_IFP 0 #define PF_SKIP_DIR 1 #define PF_SKIP_AF 2 #define PF_SKIP_PROTO 3 #define PF_SKIP_SRC_ADDR 4 #define PF_SKIP_SRC_PORT 5 #define PF_SKIP_DST_ADDR 6 #define PF_SKIP_DST_PORT 7 #define PF_SKIP_COUNT 8 union pf_rule_ptr skip[PF_SKIP_COUNT]; #define PF_RULE_LABEL_SIZE 64 char label[PF_RULE_LABEL_SIZE]; #define PF_QNAME_SIZE 64 char ifname[IFNAMSIZ]; char qname[PF_QNAME_SIZE]; char pqname[PF_QNAME_SIZE]; #define PF_TAG_NAME_SIZE 64 char tagname[PF_TAG_NAME_SIZE]; char match_tagname[PF_TAG_NAME_SIZE]; char overload_tblname[PF_TABLE_NAME_SIZE]; TAILQ_ENTRY(pf_rule) entries; #if !defined(__LP64__) u_int32_t _pad[2]; #endif /* !__LP64__ */ struct pf_pool rpool; u_int64_t evaluations; u_int64_t packets[2]; u_int64_t bytes[2]; u_int64_t ticket; #define PF_OWNER_NAME_SIZE 64 char owner[PF_OWNER_NAME_SIZE]; u_int32_t priority; #ifdef KERNEL struct pfi_kif *kif __attribute__((aligned(8))); #else /* !KERNEL */ void *kif __attribute__((aligned(8))); #endif /* !KERNEL */ struct pf_anchor *anchor __attribute__((aligned(8))); #ifdef KERNEL struct pfr_ktable *overload_tbl __attribute__((aligned(8))); #else /* !KERNEL */ void *overload_tbl __attribute__((aligned(8))); #endif /* !KERNEL */ pf_osfp_t os_fingerprint __attribute__((aligned(8))); unsigned int rtableid; u_int32_t timeout[PFTM_MAX]; u_int32_t states; u_int32_t max_states; u_int32_t src_nodes; u_int32_t max_src_nodes; u_int32_t max_src_states; u_int32_t max_src_conn; struct { u_int32_t limit; u_int32_t seconds; } max_src_conn_rate; u_int32_t qid; u_int32_t pqid; u_int32_t rt_listid; u_int32_t nr; u_int32_t prob; uid_t cuid; pid_t cpid; u_int16_t return_icmp; u_int16_t return_icmp6; u_int16_t max_mss; u_int16_t tag; u_int16_t match_tag; struct pf_rule_uid uid; struct pf_rule_gid gid; u_int32_t rule_flag; u_int8_t action; u_int8_t direction; u_int8_t log; u_int8_t logif; u_int8_t quick; u_int8_t ifnot; u_int8_t match_tag_not; u_int8_t natpass; #define PF_STATE_NORMAL 0x1 #define PF_STATE_MODULATE 0x2 #define PF_STATE_SYNPROXY 0x3 u_int8_t keep_state; sa_family_t af; u_int8_t proto; u_int8_t type; u_int8_t code; u_int8_t flags; u_int8_t flagset; u_int8_t min_ttl; u_int8_t allow_opts; u_int8_t rt; u_int8_t return_ttl; /* service class categories */ #define SCIDX_MASK 0x0f #define SC_BE 0x10 #define SC_BK_SYS 0x11 #define SC_BK 0x12 #define SC_RD 0x13 #define SC_OAM 0x14 #define SC_AV 0x15 #define SC_RV 0x16 #define SC_VI 0x17 #define SC_VO 0x18 #define SC_CTL 0x19 /* diffserve code points */ #define DSCP_MASK 0xfc #define DSCP_CUMASK 0x03 #define DSCP_EF 0xb8 #define DSCP_AF11 0x28 #define DSCP_AF12 0x30 #define DSCP_AF13 0x38 #define DSCP_AF21 0x48 #define DSCP_AF22 0x50 #define DSCP_AF23 0x58 #define DSCP_AF31 0x68 #define DSCP_AF32 0x70 #define DSCP_AF33 0x78 #define DSCP_AF41 0x88 #define DSCP_AF42 0x90 #define DSCP_AF43 0x98 #define AF_CLASSMASK 0xe0 #define AF_DROPPRECMASK 0x18 u_int8_t tos; u_int8_t anchor_relative; u_int8_t anchor_wildcard; #define PF_FLUSH 0x01 #define PF_FLUSH_GLOBAL 0x02 u_int8_t flush; u_int8_t proto_variant; u_int8_t extfilter; /* Filter mode [PF_EXTFILTER_xxx] */ u_int8_t extmap; /* Mapping mode [PF_EXTMAP_xxx] */ u_int32_t dnpipe; u_int32_t dntype; }; /* pf device identifiers */ #define PFDEV_PF 0 #define PFDEV_PFM 1 #define PFDEV_MAX 2 /* rule flags */ #define PFRULE_DROP 0x0000 #define PFRULE_RETURNRST 0x0001 #define PFRULE_FRAGMENT 0x0002 #define PFRULE_RETURNICMP 0x0004 #define PFRULE_RETURN 0x0008 #define PFRULE_NOSYNC 0x0010 #define PFRULE_SRCTRACK 0x0020 /* track source states */ #define PFRULE_RULESRCTRACK 0x0040 /* per rule */ /* scrub flags */ #define PFRULE_NODF 0x0100 #define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */ #define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */ #define PFRULE_RANDOMID 0x0800 #define PFRULE_REASSEMBLE_TCP 0x1000 /* rule flags for TOS/DSCP/service class differentiation */ #define PFRULE_TOS 0x2000 #define PFRULE_DSCP 0x4000 #define PFRULE_SC 0x8000 /* rule flags again */ #define PFRULE_IFBOUND 0x00010000 /* if-bound */ #define PFRULE_PFM 0x00020000 /* created by pfm device */ #define PFSTATE_HIWAT 10000 /* default state table size */ #define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */ #define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */ #define PFAPPSTATE_HIWAT 10000 /* default same as state table */ enum pf_extmap { PF_EXTMAP_APD = 1, /* Address-port-dependent mapping */ PF_EXTMAP_AD, /* Address-dependent mapping */ PF_EXTMAP_EI /* Endpoint-independent mapping */ }; enum pf_extfilter { PF_EXTFILTER_APD = 1, /* Address-port-dependent filtering */ PF_EXTFILTER_AD, /* Address-dependent filtering */ PF_EXTFILTER_EI /* Endpoint-independent filtering */ }; struct pf_threshold { u_int32_t limit; #define PF_THRESHOLD_MULT 1000 #define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT u_int32_t seconds; u_int32_t count; u_int32_t last; }; struct pf_src_node { RB_ENTRY(pf_src_node) entry; struct pf_addr addr; struct pf_addr raddr; union pf_rule_ptr rule; #ifdef KERNEL struct pfi_kif *kif; #else /* !KERNEL */ void *kif; #endif /* !KERNEL */ u_int64_t bytes[2]; u_int64_t packets[2]; u_int32_t states; u_int32_t conn; struct pf_threshold conn_rate; u_int64_t creation; u_int64_t expire; sa_family_t af; u_int8_t ruletype; }; #define PFSNODE_HIWAT 10000 /* default source node table size */ #ifdef KERNEL struct pf_state_scrub { struct timeval pfss_last; /* time received last packet */ u_int32_t pfss_tsecr; /* last echoed timestamp */ u_int32_t pfss_tsval; /* largest timestamp */ u_int32_t pfss_tsval0; /* original timestamp */ u_int16_t pfss_flags; #define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */ #define PFSS_PAWS 0x0010 /* stricter PAWS checks */ #define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */ #define PFSS_DATA_TS 0x0040 /* timestamp on data packets */ #define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */ u_int8_t pfss_ttl; /* stashed TTL */ u_int8_t pad; u_int32_t pfss_ts_mod; /* timestamp modulation */ }; #endif /* KERNEL */ union pf_state_xport { u_int16_t port; u_int16_t call_id; u_int32_t spi; }; struct pf_state_host { struct pf_addr addr; union pf_state_xport xport; }; #ifdef KERNEL struct pf_state_peer { u_int32_t seqlo; /* Max sequence number sent */ u_int32_t seqhi; /* Max the other end ACKd + win */ u_int32_t seqdiff; /* Sequence number modulator */ u_int16_t max_win; /* largest window (pre scaling) */ u_int8_t state; /* active state level */ u_int8_t wscale; /* window scaling factor */ u_int16_t mss; /* Maximum segment size option */ u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */ struct pf_state_scrub *scrub; /* state is scrubbed */ u_int8_t pad[3]; }; TAILQ_HEAD(pf_state_queue, pf_state); struct pf_state; struct pf_pdesc; struct pf_app_state; typedef void (*pf_app_handler)(struct pf_state *, int, int, struct pf_pdesc *, struct pfi_kif *); typedef int (*pf_app_compare)(struct pf_app_state *, struct pf_app_state *); struct pf_pptp_state { struct pf_state *grev1_state; }; struct pf_grev1_state { struct pf_state *pptp_state; }; struct pf_ike_state { u_int64_t cookie; }; struct pf_app_state { pf_app_handler handler; pf_app_compare compare_lan_ext; pf_app_compare compare_ext_gwy; union { struct pf_pptp_state pptp; struct pf_grev1_state grev1; struct pf_ike_state ike; } u; }; /* keep synced with struct pf_state, used in RB_FIND */ struct pf_state_key_cmp { struct pf_state_host lan; struct pf_state_host gwy; struct pf_state_host ext_lan; struct pf_state_host ext_gwy; sa_family_t af_lan; sa_family_t af_gwy; u_int8_t proto; u_int8_t direction; u_int8_t proto_variant; struct pf_app_state *app_state; }; TAILQ_HEAD(pf_statelist, pf_state); struct pf_state_key { struct pf_state_host lan; struct pf_state_host gwy; struct pf_state_host ext_lan; struct pf_state_host ext_gwy; sa_family_t af_lan; sa_family_t af_gwy; u_int8_t proto; u_int8_t direction; u_int8_t proto_variant; struct pf_app_state *app_state; u_int32_t flowsrc; u_int32_t flowhash; RB_ENTRY(pf_state_key) entry_lan_ext; RB_ENTRY(pf_state_key) entry_ext_gwy; struct pf_statelist states; u_int32_t refcnt; }; /* keep synced with struct pf_state, used in RB_FIND */ struct pf_state_cmp { u_int64_t id; u_int32_t creatorid; u_int32_t pad; }; /* flowhash key (12-bytes multiple for performance) */ struct pf_flowhash_key { struct pf_state_host ap1; /* address+port blob 1 */ struct pf_state_host ap2; /* address+port blob 2 */ u_int32_t af; u_int32_t proto; }; #endif /* KERNEL */ struct hook_desc; TAILQ_HEAD(hook_desc_head, hook_desc); #ifdef KERNEL struct pf_state { u_int64_t id; u_int32_t creatorid; u_int32_t pad; TAILQ_ENTRY(pf_state) entry_list; TAILQ_ENTRY(pf_state) next; RB_ENTRY(pf_state) entry_id; struct pf_state_peer src; struct pf_state_peer dst; union pf_rule_ptr rule; union pf_rule_ptr anchor; union pf_rule_ptr nat_rule; struct pf_addr rt_addr; struct hook_desc_head unlink_hooks; struct pf_state_key *state_key; struct pfi_kif *kif; struct pfi_kif *rt_kif; struct pf_src_node *src_node; struct pf_src_node *nat_src_node; u_int64_t packets[2]; u_int64_t bytes[2]; u_int64_t creation; u_int64_t expire; u_int64_t pfsync_time; u_int16_t tag; u_int8_t log; u_int8_t allow_opts; u_int8_t timeout; u_int8_t sync_flags; }; #endif /* KERNEL */ #define PFSTATE_NOSYNC 0x01 #define PFSTATE_FROMSYNC 0x02 #define PFSTATE_STALE 0x04 #define __packed __attribute__((__packed__)) /* * Unified state structures for pulling states out of the kernel * used by pfsync(4) and the pf(4) ioctl. */ struct pfsync_state_scrub { u_int16_t pfss_flags; u_int8_t pfss_ttl; /* stashed TTL */ #define PFSYNC_SCRUB_FLAG_VALID 0x01 u_int8_t scrub_flag; u_int32_t pfss_ts_mod; /* timestamp modulation */ } __packed; struct pfsync_state_host { struct pf_addr addr; union pf_state_xport xport; u_int16_t pad[2]; } __packed; struct pfsync_state_peer { struct pfsync_state_scrub scrub; /* state is scrubbed */ u_int32_t seqlo; /* Max sequence number sent */ u_int32_t seqhi; /* Max the other end ACKd + win */ u_int32_t seqdiff; /* Sequence number modulator */ u_int16_t max_win; /* largest window (pre scaling) */ u_int16_t mss; /* Maximum segment size option */ u_int8_t state; /* active state level */ u_int8_t wscale; /* window scaling factor */ u_int8_t pad[6]; } __packed; struct pfsync_state { u_int32_t id[2]; char ifname[IFNAMSIZ]; struct pfsync_state_host lan; struct pfsync_state_host gwy; struct pfsync_state_host ext_lan; struct pfsync_state_host ext_gwy; struct pfsync_state_peer src; struct pfsync_state_peer dst; struct pf_addr rt_addr; struct hook_desc_head unlink_hooks; #if !defined(__LP64__) u_int32_t _pad[2]; #endif /* !__LP64__ */ u_int32_t rule; u_int32_t anchor; u_int32_t nat_rule; u_int64_t creation; u_int64_t expire; u_int32_t packets[2][2]; u_int32_t bytes[2][2]; u_int32_t creatorid; u_int16_t tag; sa_family_t af_lan; sa_family_t af_gwy; u_int8_t proto; u_int8_t direction; u_int8_t log; u_int8_t allow_opts; u_int8_t timeout; u_int8_t sync_flags; u_int8_t updates; u_int8_t proto_variant; u_int8_t __pad; u_int32_t flowhash; } __packed; #define PFSYNC_FLAG_COMPRESS 0x01 #define PFSYNC_FLAG_STALE 0x02 #define PFSYNC_FLAG_SRCNODE 0x04 #define PFSYNC_FLAG_NATSRCNODE 0x08 #ifdef KERNEL /* for copies to/from userland via pf_ioctl() */ #define pf_state_peer_to_pfsync(s, d) do { \ (d)->seqlo = (s)->seqlo; \ (d)->seqhi = (s)->seqhi; \ (d)->seqdiff = (s)->seqdiff; \ (d)->max_win = (s)->max_win; \ (d)->mss = (s)->mss; \ (d)->state = (s)->state; \ (d)->wscale = (s)->wscale; \ if ((s)->scrub) { \ (d)->scrub.pfss_flags = \ (s)->scrub->pfss_flags & PFSS_TIMESTAMP; \ (d)->scrub.pfss_ttl = (s)->scrub->pfss_ttl; \ (d)->scrub.pfss_ts_mod = (s)->scrub->pfss_ts_mod; \ (d)->scrub.scrub_flag = PFSYNC_SCRUB_FLAG_VALID; \ } \ } while (0) #define pf_state_peer_from_pfsync(s, d) do { \ (d)->seqlo = (s)->seqlo; \ (d)->seqhi = (s)->seqhi; \ (d)->seqdiff = (s)->seqdiff; \ (d)->max_win = (s)->max_win; \ (d)->mss = ntohs((s)->mss); \ (d)->state = (s)->state; \ (d)->wscale = (s)->wscale; \ if ((s)->scrub.scrub_flag == PFSYNC_SCRUB_FLAG_VALID && \ (d)->scrub != NULL) { \ (d)->scrub->pfss_flags = \ ntohs((s)->scrub.pfss_flags) & PFSS_TIMESTAMP; \ (d)->scrub->pfss_ttl = (s)->scrub.pfss_ttl; \ (d)->scrub->pfss_ts_mod = (s)->scrub.pfss_ts_mod; \ } \ } while (0) #endif /* KERNEL */ #define pf_state_counter_to_pfsync(s, d) do { \ d[0] = (s>>32)&0xffffffff; \ d[1] = s&0xffffffff; \ } while (0) #define pf_state_counter_from_pfsync(s) \ (((u_int64_t)(s[0])<<32) | (u_int64_t)(s[1])) TAILQ_HEAD(pf_rulequeue, pf_rule); struct pf_anchor; struct pf_ruleset { struct { struct pf_rulequeue queues[2]; struct { struct pf_rulequeue *ptr; struct pf_rule **ptr_array; u_int32_t rcount; u_int32_t ticket; int open; } active, inactive; } rules[PF_RULESET_MAX]; struct pf_anchor *anchor; u_int32_t tticket; int tables; int topen; }; RB_HEAD(pf_anchor_global, pf_anchor); RB_HEAD(pf_anchor_node, pf_anchor); struct pf_anchor { RB_ENTRY(pf_anchor) entry_global; RB_ENTRY(pf_anchor) entry_node; struct pf_anchor *parent; struct pf_anchor_node children; char name[PF_ANCHOR_NAME_SIZE]; char path[MAXPATHLEN]; struct pf_ruleset ruleset; int refcnt; /* anchor rules */ int match; char owner[PF_OWNER_NAME_SIZE]; }; #ifdef KERNEL RB_PROTOTYPE_SC(__private_extern__, pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare); RB_PROTOTYPE_SC(__private_extern__, pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare); #else /* !KERNEL */ RB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare); RB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare); #endif /* !KERNEL */ #define PF_RESERVED_ANCHOR "_pf" #define PFR_TFLAG_PERSIST 0x00000001 #define PFR_TFLAG_CONST 0x00000002 #define PFR_TFLAG_ACTIVE 0x00000004 #define PFR_TFLAG_INACTIVE 0x00000008 #define PFR_TFLAG_REFERENCED 0x00000010 #define PFR_TFLAG_REFDANCHOR 0x00000020 #define PFR_TFLAG_USRMASK 0x00000003 #define PFR_TFLAG_SETMASK 0x0000003C #define PFR_TFLAG_ALLMASK 0x0000003F struct pfr_table { char pfrt_anchor[MAXPATHLEN]; char pfrt_name[PF_TABLE_NAME_SIZE]; u_int32_t pfrt_flags; u_int8_t pfrt_fback; }; enum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED, PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE, PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX }; struct pfr_addr { union { struct in_addr _pfra_ip4addr; struct in6_addr _pfra_ip6addr; } pfra_u; u_int8_t pfra_af; u_int8_t pfra_net; u_int8_t pfra_not; u_int8_t pfra_fback; }; #define pfra_ip4addr pfra_u._pfra_ip4addr #define pfra_ip6addr pfra_u._pfra_ip6addr enum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX }; enum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX }; #define PFR_OP_XPASS PFR_OP_ADDR_MAX struct pfr_astats { struct pfr_addr pfras_a; #if !defined(__LP64__) u_int32_t _pad; #endif /* !__LP64__ */ u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; u_int64_t pfras_tzero; }; enum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX }; struct pfr_tstats { struct pfr_table pfrts_t; u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX]; u_int64_t pfrts_match; u_int64_t pfrts_nomatch; u_int64_t pfrts_tzero; int pfrts_cnt; int pfrts_refcnt[PFR_REFCNT_MAX]; #if !defined(__LP64__) u_int32_t _pad; #endif /* !__LP64__ */ }; #define pfrts_name pfrts_t.pfrt_name #define pfrts_flags pfrts_t.pfrt_flags #ifdef KERNEL SLIST_HEAD(pfr_kentryworkq, pfr_kentry); struct pfr_kentry { struct radix_node pfrke_node[2]; union sockaddr_union pfrke_sa; u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX]; SLIST_ENTRY(pfr_kentry) pfrke_workq; u_int64_t pfrke_tzero; u_int8_t pfrke_af; u_int8_t pfrke_net; u_int8_t pfrke_not; u_int8_t pfrke_mark; u_int8_t pfrke_intrpool; }; SLIST_HEAD(pfr_ktableworkq, pfr_ktable); RB_HEAD(pfr_ktablehead, pfr_ktable); struct pfr_ktable { struct pfr_tstats pfrkt_ts; RB_ENTRY(pfr_ktable) pfrkt_tree; SLIST_ENTRY(pfr_ktable) pfrkt_workq; struct radix_node_head *pfrkt_ip4; struct radix_node_head *pfrkt_ip6; struct pfr_ktable *pfrkt_shadow; struct pfr_ktable *pfrkt_root; struct pf_ruleset *pfrkt_rs; u_int64_t pfrkt_larg; u_int32_t pfrkt_nflags; }; #define pfrkt_t pfrkt_ts.pfrts_t #define pfrkt_name pfrkt_t.pfrt_name #define pfrkt_anchor pfrkt_t.pfrt_anchor #define pfrkt_ruleset pfrkt_t.pfrt_ruleset #define pfrkt_flags pfrkt_t.pfrt_flags #define pfrkt_cnt pfrkt_ts.pfrts_cnt #define pfrkt_refcnt pfrkt_ts.pfrts_refcnt #define pfrkt_packets pfrkt_ts.pfrts_packets #define pfrkt_bytes pfrkt_ts.pfrts_bytes #define pfrkt_match pfrkt_ts.pfrts_match #define pfrkt_nomatch pfrkt_ts.pfrts_nomatch #define pfrkt_tzero pfrkt_ts.pfrts_tzero RB_HEAD(pf_state_tree_lan_ext, pf_state_key); RB_PROTOTYPE_SC(__private_extern__, pf_state_tree_lan_ext, pf_state_key, entry_lan_ext, pf_state_compare_lan_ext); RB_HEAD(pf_state_tree_ext_gwy, pf_state_key); RB_PROTOTYPE_SC(__private_extern__, pf_state_tree_ext_gwy, pf_state_key, entry_ext_gwy, pf_state_compare_ext_gwy); RB_HEAD(pfi_ifhead, pfi_kif); /* state tables */ extern struct pf_state_tree_lan_ext pf_statetbl_lan_ext; extern struct pf_state_tree_ext_gwy pf_statetbl_ext_gwy; /* keep synced with pfi_kif, used in RB_FIND */ struct pfi_kif_cmp { char pfik_name[IFNAMSIZ]; }; struct pfi_kif { char pfik_name[IFNAMSIZ]; RB_ENTRY(pfi_kif) pfik_tree; u_int64_t pfik_packets[2][2][2]; u_int64_t pfik_bytes[2][2][2]; u_int64_t pfik_tzero; int pfik_flags; void *pfik_ah_cookie; struct ifnet *pfik_ifp; int pfik_states; int pfik_rules; TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs; }; enum pfi_kif_refs { PFI_KIF_REF_NONE, PFI_KIF_REF_STATE, PFI_KIF_REF_RULE }; struct pfi_uif { #else /* !KERNEL */ struct pfi_kif { #endif /* !KERNEL */ char pfik_name[IFNAMSIZ]; u_int64_t pfik_packets[2][2][2]; u_int64_t pfik_bytes[2][2][2]; u_int64_t pfik_tzero; int pfik_flags; int pfik_states; int pfik_rules; #if !defined(__LP64__) u_int32_t _pad; #endif /* !__LP64__ */ }; #define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */ #ifdef KERNEL struct pf_pdesc { struct { int done; uid_t uid; gid_t gid; pid_t pid; } lookup; u_int64_t tot_len; /* Make Mickey money */ union { struct tcphdr *tcp; struct udphdr *udp; struct icmp *icmp; #if INET6 struct icmp6_hdr *icmp6; #endif /* INET6 */ struct pf_grev1_hdr *grev1; struct pf_esp_hdr *esp; void *any; } hdr; /* XXX TODO: Change baddr and naddr to *saddr */ struct pf_addr baddr; /* src address before translation */ struct pf_addr bdaddr; /* dst address before translation */ struct pf_addr naddr; /* src address after translation */ struct pf_addr ndaddr; /* dst address after translation */ struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */ struct pf_addr *src; struct pf_addr *dst; struct ether_header *eh; pbuf_t *mp; int lmw; /* lazy writable offset */ struct pf_mtag *pf_mtag; u_int16_t *ip_sum; u_int32_t off; /* protocol header offset */ u_int32_t hdrlen; /* protocol header length */ u_int32_t p_len; /* total length of payload */ u_int16_t flags; /* Let SCRUB trigger behavior in */ /* state code. Easier than tags */ #define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */ #define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */ #define PFDESC_IP_FRAG 0x0004 /* This is a fragment */ sa_family_t af; sa_family_t naf; /* address family after translation */ u_int8_t proto; u_int8_t tos; u_int8_t ttl; u_int8_t proto_variant; mbuf_svc_class_t sc; /* mbuf service class (MBUF_SVC) */ u_int32_t pktflags; /* mbuf packet flags (PKTF) */ u_int32_t flowsrc; /* flow source (FLOWSRC) */ u_int32_t flowhash; /* flow hash to identify the sender */ }; #endif /* KERNEL */ /* flags for RDR options */ #define PF_DPORT_RANGE 0x01 /* Dest port uses range */ #define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */ /* Reasons code for passing/dropping a packet */ #define PFRES_MATCH 0 /* Explicit match of a rule */ #define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ #define PFRES_FRAG 2 /* Dropping following fragment */ #define PFRES_SHORT 3 /* Dropping short packet */ #define PFRES_NORM 4 /* Dropping by normalizer */ #define PFRES_MEMORY 5 /* Dropped due to lacking mem */ #define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */ #define PFRES_CONGEST 7 /* Congestion (of ipintrq) */ #define PFRES_IPOPTIONS 8 /* IP option */ #define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */ #define PFRES_BADSTATE 10 /* State mismatch */ #define PFRES_STATEINS 11 /* State insertion failure */ #define PFRES_MAXSTATES 12 /* State limit */ #define PFRES_SRCLIMIT 13 /* Source node/conn limit */ #define PFRES_SYNPROXY 14 /* SYN proxy */ #define PFRES_DUMMYNET 15 /* Dummynet */ #define PFRES_MAX 16 /* total+1 */ #define PFRES_NAMES { \ "match", \ "bad-offset", \ "fragment", \ "short", \ "normalize", \ "memory", \ "bad-timestamp", \ "congestion", \ "ip-option", \ "proto-cksum", \ "state-mismatch", \ "state-insert", \ "state-limit", \ "src-limit", \ "synproxy", \ "dummynet", \ NULL \ } /* Counters for other things we want to keep track of */ #define LCNT_STATES 0 /* states */ #define LCNT_SRCSTATES 1 /* max-src-states */ #define LCNT_SRCNODES 2 /* max-src-nodes */ #define LCNT_SRCCONN 3 /* max-src-conn */ #define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */ #define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */ #define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */ #define LCNT_MAX 7 /* total+1 */ #define LCNT_NAMES { \ "max states per rule", \ "max-src-states", \ "max-src-nodes", \ "max-src-conn", \ "max-src-conn-rate", \ "overload table insertion", \ "overload flush states", \ NULL \ } /* UDP state enumeration */ #define PFUDPS_NO_TRAFFIC 0 #define PFUDPS_SINGLE 1 #define PFUDPS_MULTIPLE 2 #define PFUDPS_NSTATES 3 /* number of state levels */ #define PFUDPS_NAMES { \ "NO_TRAFFIC", \ "SINGLE", \ "MULTIPLE", \ NULL \ } /* GREv1 protocol state enumeration */ #define PFGRE1S_NO_TRAFFIC 0 #define PFGRE1S_INITIATING 1 #define PFGRE1S_ESTABLISHED 2 #define PFGRE1S_NSTATES 3 /* number of state levels */ #define PFGRE1S_NAMES { \ "NO_TRAFFIC", \ "INITIATING", \ "ESTABLISHED", \ NULL \ } #define PFESPS_NO_TRAFFIC 0 #define PFESPS_INITIATING 1 #define PFESPS_ESTABLISHED 2 #define PFESPS_NSTATES 3 /* number of state levels */ #define PFESPS_NAMES { "NO_TRAFFIC", "INITIATING", "ESTABLISHED", NULL } /* Other protocol state enumeration */ #define PFOTHERS_NO_TRAFFIC 0 #define PFOTHERS_SINGLE 1 #define PFOTHERS_MULTIPLE 2 #define PFOTHERS_NSTATES 3 /* number of state levels */ #define PFOTHERS_NAMES { \ "NO_TRAFFIC", \ "SINGLE", \ "MULTIPLE", \ NULL \ } #define FCNT_STATE_SEARCH 0 #define FCNT_STATE_INSERT 1 #define FCNT_STATE_REMOVALS 2 #define FCNT_MAX 3 #define SCNT_SRC_NODE_SEARCH 0 #define SCNT_SRC_NODE_INSERT 1 #define SCNT_SRC_NODE_REMOVALS 2 #define SCNT_MAX 3 #ifdef KERNEL #define ACTION_SET(a, x) \ do { \ if ((a) != NULL) \ *(a) = (x); \ } while (0) #define REASON_SET(a, x) \ do { \ if ((a) != NULL) \ *(a) = (x); \ if (x < PFRES_MAX) \ pf_status.counters[x]++; \ } while (0) #endif /* KERNEL */ struct pf_status { u_int64_t counters[PFRES_MAX]; u_int64_t lcounters[LCNT_MAX]; /* limit counters */ u_int64_t fcounters[FCNT_MAX]; u_int64_t scounters[SCNT_MAX]; u_int64_t pcounters[2][2][3]; u_int64_t bcounters[2][2]; u_int64_t stateid; u_int32_t running; u_int32_t states; u_int32_t src_nodes; u_int64_t since __attribute__((aligned(8))); u_int32_t debug; u_int32_t hostid; char ifname[IFNAMSIZ]; u_int8_t pf_chksum[PF_MD5_DIGEST_LENGTH]; }; struct cbq_opts { u_int32_t minburst; u_int32_t maxburst; u_int32_t pktsize; u_int32_t maxpktsize; u_int32_t ns_per_byte; u_int32_t maxidle; int32_t minidle; u_int32_t offtime; u_int32_t flags; }; struct priq_opts { u_int32_t flags; }; struct qfq_opts { u_int32_t flags; u_int32_t lmax; }; struct hfsc_opts { /* real-time service curve */ u_int64_t rtsc_m1; /* slope of the 1st segment in bps */ u_int64_t rtsc_d; /* the x-projection of m1 in msec */ u_int64_t rtsc_m2; /* slope of the 2nd segment in bps */ u_int32_t rtsc_fl; /* service curve flags */ #if !defined(__LP64__) u_int32_t _pad; #endif /* !__LP64__ */ /* link-sharing service curve */ u_int64_t lssc_m1; u_int64_t lssc_d; u_int64_t lssc_m2; u_int32_t lssc_fl; #if !defined(__LP64__) u_int32_t __pad; #endif /* !__LP64__ */ /* upper-limit service curve */ u_int64_t ulsc_m1; u_int64_t ulsc_d; u_int64_t ulsc_m2; u_int32_t ulsc_fl; u_int32_t flags; /* scheduler flags */ }; struct fairq_opts { u_int32_t nbuckets; /* hash buckets */ u_int32_t flags; u_int64_t hogs_m1; /* hog detection bandwidth */ /* link-sharing service curve */ u_int64_t lssc_m1; u_int64_t lssc_d; u_int64_t lssc_m2; }; /* bandwidth types */ #define PF_ALTQ_BW_ABSOLUTE 1 /* bw in absolute value (bps) */ #define PF_ALTQ_BW_PERCENT 2 /* bandwidth in percentage */ /* ALTQ rule flags */ #define PF_ALTQF_TBR 0x1 /* enable Token Bucket Regulator */ /* queue rule flags */ #define PF_ALTQ_QRF_WEIGHT 0x1 /* weight instead of priority */ struct pf_altq { char ifname[IFNAMSIZ]; /* discipline-specific state */ void *altq_disc __attribute__((aligned(8))); TAILQ_ENTRY(pf_altq) entries __attribute__((aligned(8))); #if !defined(__LP64__) u_int32_t _pad[2]; #endif /* !__LP64__ */ u_int32_t aflags; /* ALTQ rule flags */ u_int32_t bwtype; /* bandwidth type */ /* scheduler spec */ u_int32_t scheduler; /* scheduler type */ u_int32_t tbrsize; /* tokenbucket regulator size */ u_int64_t ifbandwidth; /* interface bandwidth */ /* queue spec */ char qname[PF_QNAME_SIZE]; /* queue name */ char parent[PF_QNAME_SIZE]; /* parent name */ u_int32_t parent_qid; /* parent queue id */ u_int32_t qrflags; /* queue rule flags */ union { u_int32_t priority; /* priority */ u_int32_t weight; /* weight */ }; u_int32_t qlimit; /* queue size limit */ u_int32_t flags; /* misc flags */ #if !defined(__LP64__) u_int32_t __pad; #endif /* !__LP64__ */ u_int64_t bandwidth; /* queue bandwidth */ union { struct cbq_opts cbq_opts; struct priq_opts priq_opts; struct hfsc_opts hfsc_opts; struct fairq_opts fairq_opts; struct qfq_opts qfq_opts; } pq_u; u_int32_t qid; /* return value */ }; struct pf_tagname { TAILQ_ENTRY(pf_tagname) entries; char name[PF_TAG_NAME_SIZE]; u_int16_t tag; int ref; }; #define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */ #define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */ #define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */ #define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */ #define PFR_KTABLE_HIWAT 1000 /* Number of tables */ #define PFR_KENTRY_HIWAT 200000 /* Number of table entries */ #define PFR_KENTRY_HIWAT_SMALL 100000 /* Number of table entries (tiny hosts) */ /* * ioctl parameter structures */ struct pfioc_pooladdr { u_int32_t action; u_int32_t ticket; u_int32_t nr; u_int32_t r_num; u_int8_t r_action; u_int8_t r_last; u_int8_t af; char anchor[MAXPATHLEN]; struct pf_pooladdr addr; }; struct pfioc_rule { u_int32_t action; u_int32_t ticket; u_int32_t pool_ticket; u_int32_t nr; char anchor[MAXPATHLEN]; char anchor_call[MAXPATHLEN]; struct pf_rule rule; }; struct pfioc_natlook { struct pf_addr saddr; struct pf_addr daddr; struct pf_addr rsaddr; struct pf_addr rdaddr; union pf_state_xport sxport; union pf_state_xport dxport; union pf_state_xport rsxport; union pf_state_xport rdxport; sa_family_t af; u_int8_t proto; u_int8_t proto_variant; u_int8_t direction; }; struct pfioc_state { struct pfsync_state state; }; struct pfioc_src_node_kill { /* XXX returns the number of src nodes killed in psnk_af */ sa_family_t psnk_af; struct pf_rule_addr psnk_src; struct pf_rule_addr psnk_dst; }; struct pfioc_state_addr_kill { struct pf_addr_wrap addr; u_int8_t reserved_[3]; u_int8_t neg; union pf_rule_xport xport; }; struct pfioc_state_kill { /* XXX returns the number of states killed in psk_af */ sa_family_t psk_af; u_int8_t psk_proto; u_int8_t psk_proto_variant; u_int8_t _pad; struct pfioc_state_addr_kill psk_src; struct pfioc_state_addr_kill psk_dst; char psk_ifname[IFNAMSIZ]; char psk_ownername[PF_OWNER_NAME_SIZE]; }; struct pfioc_states { int ps_len; union { caddr_t psu_buf; struct pfsync_state *psu_states; } ps_u __attribute__((aligned(8))); #define ps_buf ps_u.psu_buf #define ps_states ps_u.psu_states }; #ifdef KERNEL struct pfioc_states_32 { int ps_len; union { user32_addr_t psu_buf; user32_addr_t psu_states; } ps_u __attribute__((aligned(8))); }; struct pfioc_states_64 { int ps_len; union { user64_addr_t psu_buf; user64_addr_t psu_states; } ps_u __attribute__((aligned(8))); }; #endif /* KERNEL */ #define PFTOK_PROCNAME_LEN 64 #pragma pack(1) struct pfioc_token { u_int64_t token_value; u_int64_t timestamp; pid_t pid; char proc_name[PFTOK_PROCNAME_LEN]; }; #pragma pack() struct pfioc_kernel_token { SLIST_ENTRY(pfioc_kernel_token) next; struct pfioc_token token; }; struct pfioc_remove_token { u_int64_t token_value; u_int64_t refcount; }; struct pfioc_tokens { int size; union { caddr_t pgtu_buf; struct pfioc_token *pgtu_tokens; } pgt_u __attribute__((aligned(8))); #define pgt_buf pgt_u.pgtu_buf #define pgt_tokens pgt_u.pgtu_tokens }; #ifdef KERNEL struct pfioc_tokens_32 { int size; union { user32_addr_t pgtu_buf; user32_addr_t pgtu_tokens; } pgt_u __attribute__((aligned(8))); }; struct pfioc_tokens_64 { int size; union { user64_addr_t pgtu_buf; user64_addr_t pgtu_tokens; } pgt_u __attribute__((aligned(8))); }; #endif /* KERNEL */ struct pfioc_src_nodes { int psn_len; union { caddr_t psu_buf; struct pf_src_node *psu_src_nodes; } psn_u __attribute__((aligned(8))); #define psn_buf psn_u.psu_buf #define psn_src_nodes psn_u.psu_src_nodes }; #ifdef KERNEL struct pfioc_src_nodes_32 { int psn_len; union { user32_addr_t psu_buf; user32_addr_t psu_src_nodes; } psn_u __attribute__((aligned(8))); }; struct pfioc_src_nodes_64 { int psn_len; union { user64_addr_t psu_buf; user64_addr_t psu_src_nodes; } psn_u __attribute__((aligned(8))); }; #endif /* KERNEL */ struct pfioc_if { char ifname[IFNAMSIZ]; }; struct pfioc_tm { int timeout; int seconds; }; struct pfioc_limit { int index; unsigned limit; }; struct pfioc_altq { u_int32_t action; u_int32_t ticket; u_int32_t nr; struct pf_altq altq __attribute__((aligned(8))); }; struct pfioc_qstats { u_int32_t ticket; u_int32_t nr; void *buf __attribute__((aligned(8))); int nbytes __attribute__((aligned(8))); u_int8_t scheduler; }; struct pfioc_ruleset { u_int32_t nr; char path[MAXPATHLEN]; char name[PF_ANCHOR_NAME_SIZE]; }; #define PF_RULESET_ALTQ (PF_RULESET_MAX) #define PF_RULESET_TABLE (PF_RULESET_MAX+1) struct pfioc_trans { int size; /* number of elements */ int esize; /* size of each element in bytes */ struct pfioc_trans_e { int rs_num; char anchor[MAXPATHLEN]; u_int32_t ticket; } *array __attribute__((aligned(8))); }; #ifdef KERNEL struct pfioc_trans_32 { int size; /* number of elements */ int esize; /* size of each element in bytes */ user32_addr_t array __attribute__((aligned(8))); }; struct pfioc_trans_64 { int size; /* number of elements */ int esize; /* size of each element in bytes */ user64_addr_t array __attribute__((aligned(8))); }; #endif /* KERNEL */ #define PFR_FLAG_ATOMIC 0x00000001 #define PFR_FLAG_DUMMY 0x00000002 #define PFR_FLAG_FEEDBACK 0x00000004 #define PFR_FLAG_CLSTATS 0x00000008 #define PFR_FLAG_ADDRSTOO 0x00000010 #define PFR_FLAG_REPLACE 0x00000020 #define PFR_FLAG_ALLRSETS 0x00000040 #define PFR_FLAG_ALLMASK 0x0000007F #ifdef KERNEL #define PFR_FLAG_USERIOCTL 0x10000000 #endif /* KERNEL */ struct pfioc_table { struct pfr_table pfrio_table; void *pfrio_buffer __attribute__((aligned(8))); int pfrio_esize __attribute__((aligned(8))); int pfrio_size; int pfrio_size2; int pfrio_nadd; int pfrio_ndel; int pfrio_nchange; int pfrio_flags; u_int32_t pfrio_ticket; }; #define pfrio_exists pfrio_nadd #define pfrio_nzero pfrio_nadd #define pfrio_nmatch pfrio_nadd #define pfrio_naddr pfrio_size2 #define pfrio_setflag pfrio_size2 #define pfrio_clrflag pfrio_nadd #ifdef KERNEL struct pfioc_table_32 { struct pfr_table pfrio_table; user32_addr_t pfrio_buffer __attribute__((aligned(8))); int pfrio_esize __attribute__((aligned(8))); int pfrio_size; int pfrio_size2; int pfrio_nadd; int pfrio_ndel; int pfrio_nchange; int pfrio_flags; u_int32_t pfrio_ticket; }; struct pfioc_table_64 { struct pfr_table pfrio_table; user64_addr_t pfrio_buffer __attribute__((aligned(8))); int pfrio_esize __attribute__((aligned(8))); int pfrio_size; int pfrio_size2; int pfrio_nadd; int pfrio_ndel; int pfrio_nchange; int pfrio_flags; u_int32_t pfrio_ticket; }; #endif /* KERNEL */ struct pfioc_iface { char pfiio_name[IFNAMSIZ]; void *pfiio_buffer __attribute__((aligned(8))); int pfiio_esize __attribute__((aligned(8))); int pfiio_size; int pfiio_nzero; int pfiio_flags; }; #ifdef KERNEL struct pfioc_iface_32 { char pfiio_name[IFNAMSIZ]; user32_addr_t pfiio_buffer __attribute__((aligned(8))); int pfiio_esize __attribute__((aligned(8))); int pfiio_size; int pfiio_nzero; int pfiio_flags; }; struct pfioc_iface_64 { char pfiio_name[IFNAMSIZ]; user64_addr_t pfiio_buffer __attribute__((aligned(8))); int pfiio_esize __attribute__((aligned(8))); int pfiio_size; int pfiio_nzero; int pfiio_flags; }; #endif /* KERNEL */ struct pf_ifspeed { char ifname[IFNAMSIZ]; u_int64_t baudrate; }; /* * ioctl operations */ #define DIOCSTART _IO ('D', 1) #define DIOCSTOP _IO ('D', 2) #define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule) #define DIOCGETSTARTERS _IOWR('D', 5, struct pfioc_tokens) #define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule) #define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule) #define DIOCSTARTREF _IOR ('D', 8, u_int64_t) #define DIOCSTOPREF _IOWR('D', 9, struct pfioc_remove_token) /* XXX cut 10 - 17 */ #define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill) #define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state) #define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if) #define DIOCGETSTATUS _IOWR('D', 21, struct pf_status) #define DIOCCLRSTATUS _IO ('D', 22) #define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook) #define DIOCSETDEBUG _IOWR('D', 24, u_int32_t) #define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states) #define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule) #define DIOCINSERTRULE _IOWR('D', 27, struct pfioc_rule) #define DIOCDELETERULE _IOWR('D', 28, struct pfioc_rule) #define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm) #define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm) #define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state) #define DIOCCLRRULECTRS _IO ('D', 38) #define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit) #define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit) #define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill) #define DIOCSTARTALTQ _IO ('D', 42) #define DIOCSTOPALTQ _IO ('D', 43) #define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq) #define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq) #define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq) #define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq) #define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats) #define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr) #define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr) #define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr) #define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr) #define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr) /* XXX cut 55 - 57 */ #define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset) #define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset) #define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table) #define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table) #define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table) #define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table) #define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table) #define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table) #define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table) #define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table) #define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table) #define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table) #define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table) #define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table) #define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table) #define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table) #define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table) #define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table) #define DIOCOSFPFLUSH _IO('D', 78) #define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl) #define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl) #define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans) #define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans) #define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans) #define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes) #define DIOCCLRSRCNODES _IO('D', 85) #define DIOCSETHOSTID _IOWR('D', 86, u_int32_t) #define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface) #define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface) #define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface) #define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill) #define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed) #ifdef KERNEL RB_HEAD(pf_src_tree, pf_src_node); RB_PROTOTYPE_SC(__private_extern__, pf_src_tree, pf_src_node, entry, pf_src_compare); extern struct pf_src_tree tree_src_tracking; RB_HEAD(pf_state_tree_id, pf_state); RB_PROTOTYPE_SC(__private_extern__, pf_state_tree_id, pf_state, entry_id, pf_state_compare_id); extern struct pf_state_tree_id tree_id; extern struct pf_state_queue state_list; TAILQ_HEAD(pf_poolqueue, pf_pool); extern struct pf_poolqueue pf_pools[2]; extern struct pf_palist pf_pabuf; extern u_int32_t ticket_pabuf; extern struct pf_poolqueue *pf_pools_active; extern struct pf_poolqueue *pf_pools_inactive; __private_extern__ int pf_tbladdr_setup(struct pf_ruleset *, struct pf_addr_wrap *); __private_extern__ void pf_tbladdr_remove(struct pf_addr_wrap *); __private_extern__ void pf_tbladdr_copyout(struct pf_addr_wrap *); __private_extern__ void pf_calc_skip_steps(struct pf_rulequeue *); __private_extern__ u_int32_t pf_calc_state_key_flowhash(struct pf_state_key *); extern struct pool pf_src_tree_pl, pf_rule_pl; extern struct pool pf_state_pl, pf_state_key_pl, pf_pooladdr_pl; extern struct pool pf_state_scrub_pl; extern struct pool pf_app_state_pl; extern struct thread *pf_purge_thread; __private_extern__ void pfinit(void); __private_extern__ void pf_purge_thread_fn(void *, wait_result_t); __private_extern__ void pf_purge_expired_src_nodes(void); __private_extern__ void pf_purge_expired_states(u_int32_t); __private_extern__ void pf_unlink_state(struct pf_state *); __private_extern__ void pf_free_state(struct pf_state *); __private_extern__ int pf_insert_state(struct pfi_kif *, struct pf_state *); __private_extern__ int pf_insert_src_node(struct pf_src_node **, struct pf_rule *, struct pf_addr *, sa_family_t); __private_extern__ void pf_src_tree_remove_state(struct pf_state *); __private_extern__ struct pf_state *pf_find_state_byid(struct pf_state_cmp *); __private_extern__ struct pf_state *pf_find_state_all(struct pf_state_key_cmp *, u_int, int *); __private_extern__ void pf_print_state(struct pf_state *); __private_extern__ void pf_print_flags(u_int8_t); __private_extern__ u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t, u_int8_t); extern struct ifnet *sync_ifp; extern struct pf_rule pf_default_rule; __private_extern__ void pf_addrcpy(struct pf_addr *, struct pf_addr *, u_int8_t); __private_extern__ void pf_rm_rule(struct pf_rulequeue *, struct pf_rule *); struct ip_fw_args; extern boolean_t is_nlc_enabled_glb; extern boolean_t pf_is_nlc_enabled(void); #if INET __private_extern__ int pf_test(int, struct ifnet *, pbuf_t **, struct ether_header *, struct ip_fw_args *); __private_extern__ int pf_test_mbuf(int, struct ifnet *, struct mbuf **, struct ether_header *, struct ip_fw_args *); #endif /* INET */ #if INET6 __private_extern__ int pf_test6(int, struct ifnet *, pbuf_t **, struct ether_header *, struct ip_fw_args *); __private_extern__ int pf_test6_mbuf(int, struct ifnet *, struct mbuf **, struct ether_header *, struct ip_fw_args *); __private_extern__ void pf_poolmask(struct pf_addr *, struct pf_addr *, struct pf_addr *, struct pf_addr *, u_int8_t); __private_extern__ void pf_addr_inc(struct pf_addr *, sa_family_t); #endif /* INET6 */ __private_extern__ void *pf_lazy_makewritable(struct pf_pdesc *, pbuf_t *, int); __private_extern__ void *pf_pull_hdr(pbuf_t *, int, void *, int, u_short *, u_short *, sa_family_t); __private_extern__ void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t); __private_extern__ int pflog_packet(struct pfi_kif *, pbuf_t *, sa_family_t, u_int8_t, u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *, struct pf_pdesc *); __private_extern__ int pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *, struct pf_addr *, sa_family_t); __private_extern__ int pf_match_addr_range(struct pf_addr *, struct pf_addr *, struct pf_addr *, sa_family_t); __private_extern__ int pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t); __private_extern__ int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t); __private_extern__ int pf_match_xport(u_int8_t, u_int8_t, union pf_rule_xport *, union pf_state_xport *); __private_extern__ int pf_match_uid(u_int8_t, uid_t, uid_t, uid_t); __private_extern__ int pf_match_gid(u_int8_t, gid_t, gid_t, gid_t); __private_extern__ void pf_normalize_init(void); __private_extern__ int pf_normalize_isempty(void); __private_extern__ int pf_normalize_ip(pbuf_t *, int, struct pfi_kif *, u_short *, struct pf_pdesc *); __private_extern__ int pf_normalize_ip6(pbuf_t *, int, struct pfi_kif *, u_short *, struct pf_pdesc *); __private_extern__ int pf_normalize_tcp(int, struct pfi_kif *, pbuf_t *, int, int, void *, struct pf_pdesc *); __private_extern__ void pf_normalize_tcp_cleanup(struct pf_state *); __private_extern__ int pf_normalize_tcp_init(pbuf_t *, int, struct pf_pdesc *, struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *); __private_extern__ int pf_normalize_tcp_stateful(pbuf_t *, int, struct pf_pdesc *, u_short *, struct tcphdr *, struct pf_state *, struct pf_state_peer *, struct pf_state_peer *, int *); __private_extern__ u_int64_t pf_state_expires(const struct pf_state *); __private_extern__ void pf_purge_expired_fragments(void); __private_extern__ int pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kif *); __private_extern__ int pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *); __private_extern__ int pf_socket_lookup(int, struct pf_pdesc *); __private_extern__ struct pf_state_key *pf_alloc_state_key(struct pf_state *, struct pf_state_key *); __private_extern__ void pfr_initialize(void); __private_extern__ int pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t); __private_extern__ void pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t, u_int64_t, int, int, int); __private_extern__ int pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *, struct pf_addr **, struct pf_addr **, sa_family_t); __private_extern__ void pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *); __private_extern__ void pfr_table_copyin_cleanup(struct pfr_table *); __private_extern__ struct pfr_ktable *pfr_attach_table(struct pf_ruleset *, char *); __private_extern__ void pfr_detach_table(struct pfr_ktable *); __private_extern__ int pfr_clr_tables(struct pfr_table *, int *, int); __private_extern__ int pfr_add_tables(user_addr_t, int, int *, int); __private_extern__ int pfr_del_tables(user_addr_t, int, int *, int); __private_extern__ int pfr_get_tables(struct pfr_table *, user_addr_t, int *, int); __private_extern__ int pfr_get_tstats(struct pfr_table *, user_addr_t, int *, int); __private_extern__ int pfr_clr_tstats(user_addr_t, int, int *, int); __private_extern__ int pfr_set_tflags(user_addr_t, int, int, int, int *, int *, int); __private_extern__ int pfr_clr_addrs(struct pfr_table *, int *, int); __private_extern__ int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, u_int64_t); __private_extern__ int pfr_add_addrs(struct pfr_table *, user_addr_t, int, int *, int); __private_extern__ int pfr_del_addrs(struct pfr_table *, user_addr_t, int, int *, int); __private_extern__ int pfr_set_addrs(struct pfr_table *, user_addr_t, int, int *, int *, int *, int *, int, u_int32_t); __private_extern__ int pfr_get_addrs(struct pfr_table *, user_addr_t, int *, int); __private_extern__ int pfr_get_astats(struct pfr_table *, user_addr_t, int *, int); __private_extern__ int pfr_clr_astats(struct pfr_table *, user_addr_t, int, int *, int); __private_extern__ int pfr_tst_addrs(struct pfr_table *, user_addr_t, int, int *, int); __private_extern__ int pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int); __private_extern__ int pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int); __private_extern__ int pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int); __private_extern__ int pfr_ina_define(struct pfr_table *, user_addr_t, int, int *, int *, u_int32_t, int); extern struct pfi_kif *pfi_all; __private_extern__ void pfi_initialize(void); __private_extern__ struct pfi_kif *pfi_kif_get(const char *); __private_extern__ void pfi_kif_ref(struct pfi_kif *, enum pfi_kif_refs); __private_extern__ void pfi_kif_unref(struct pfi_kif *, enum pfi_kif_refs); __private_extern__ int pfi_kif_match(struct pfi_kif *, struct pfi_kif *); __private_extern__ void pfi_attach_ifnet(struct ifnet *); __private_extern__ void pfi_detach_ifnet(struct ifnet *); __private_extern__ int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *, sa_family_t); __private_extern__ int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t); __private_extern__ void pfi_dynaddr_remove(struct pf_addr_wrap *); __private_extern__ void pfi_dynaddr_copyout(struct pf_addr_wrap *); __private_extern__ void pfi_update_status(const char *, struct pf_status *); __private_extern__ int pfi_get_ifaces(const char *, user_addr_t, int *); __private_extern__ int pfi_set_flags(const char *, int); __private_extern__ int pfi_clear_flags(const char *, int); __private_extern__ u_int16_t pf_tagname2tag(char *); __private_extern__ void pf_tag2tagname(u_int16_t, char *); __private_extern__ void pf_tag_ref(u_int16_t); __private_extern__ void pf_tag_unref(u_int16_t); __private_extern__ int pf_tag_packet(pbuf_t *, struct pf_mtag *, int, unsigned int, struct pf_pdesc *); __private_extern__ void pf_step_into_anchor(int *, struct pf_ruleset **, int, struct pf_rule **, struct pf_rule **, int *); __private_extern__ int pf_step_out_of_anchor(int *, struct pf_ruleset **, int, struct pf_rule **, struct pf_rule **, int *); __private_extern__ u_int32_t pf_qname2qid(char *); __private_extern__ void pf_qid2qname(u_int32_t, char *); __private_extern__ void pf_qid_unref(u_int32_t); extern struct pf_status pf_status; extern struct pool pf_frent_pl, pf_frag_pl; struct pf_pool_limit { void *pp; unsigned limit; }; extern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX]; __private_extern__ int pf_af_hook(struct ifnet *, struct mbuf **, struct mbuf **, unsigned int, int, struct ip_fw_args *); __private_extern__ int pf_ifaddr_hook(struct ifnet *); __private_extern__ void pf_ifnet_hook(struct ifnet *, int); /* * The following are defined with "private extern" storage class for * kernel, and "extern" for user-space. */ extern struct pf_anchor_global pf_anchors; extern struct pf_anchor pf_main_anchor; #define pf_main_ruleset pf_main_anchor.ruleset extern int pf_is_enabled; extern int16_t pf_nat64_configured; #define PF_IS_ENABLED (pf_is_enabled != 0) extern u_int32_t pf_hash_seed; /* these ruleset functions can be linked into userland programs (pfctl) */ __private_extern__ int pf_get_ruleset_number(u_int8_t); __private_extern__ void pf_init_ruleset(struct pf_ruleset *); __private_extern__ int pf_anchor_setup(struct pf_rule *, const struct pf_ruleset *, const char *); __private_extern__ int pf_anchor_copyout(const struct pf_ruleset *, const struct pf_rule *, struct pfioc_rule *); __private_extern__ void pf_anchor_remove(struct pf_rule *); __private_extern__ void pf_remove_if_empty_ruleset(struct pf_ruleset *); __private_extern__ struct pf_anchor *pf_find_anchor(const char *); __private_extern__ struct pf_ruleset *pf_find_ruleset(const char *); __private_extern__ struct pf_ruleset *pf_find_ruleset_with_owner(const char *, const char *, int, int *); __private_extern__ struct pf_ruleset *pf_find_or_create_ruleset(const char *); __private_extern__ void pf_rs_initialize(void); __private_extern__ int pf_osfp_add(struct pf_osfp_ioctl *); __private_extern__ struct pf_osfp_enlist *pf_osfp_fingerprint(struct pf_pdesc *, pbuf_t *, int, const struct tcphdr *); __private_extern__ struct pf_osfp_enlist *pf_osfp_fingerprint_hdr( const struct ip *, const struct ip6_hdr *, const struct tcphdr *); __private_extern__ void pf_osfp_flush(void); __private_extern__ int pf_osfp_get(struct pf_osfp_ioctl *); __private_extern__ void pf_osfp_initialize(void); __private_extern__ int pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t); __private_extern__ struct pf_os_fingerprint *pf_osfp_validate(void); __private_extern__ struct pf_mtag *pf_find_mtag(struct mbuf *); __private_extern__ struct pf_mtag *pf_find_mtag_pbuf(pbuf_t *); __private_extern__ struct pf_mtag *pf_get_mtag(struct mbuf *); __private_extern__ struct pf_mtag *pf_get_mtag_pbuf(pbuf_t *); #else /* !KERNEL */ extern struct pf_anchor_global pf_anchors; extern struct pf_anchor pf_main_anchor; #define pf_main_ruleset pf_main_anchor.ruleset /* these ruleset functions can be linked into userland programs (pfctl) */ extern int pf_get_ruleset_number(u_int8_t); extern void pf_init_ruleset(struct pf_ruleset *); extern int pf_anchor_setup(struct pf_rule *, const struct pf_ruleset *, const char *); extern int pf_anchor_copyout(const struct pf_ruleset *, const struct pf_rule *, struct pfioc_rule *); extern void pf_anchor_remove(struct pf_rule *); extern void pf_remove_if_empty_ruleset(struct pf_ruleset *); extern struct pf_anchor *pf_find_anchor(const char *); extern struct pf_ruleset *pf_find_ruleset(const char *); extern struct pf_ruleset *pf_find_ruleset_with_owner(const char *, const char *, int, int *); extern struct pf_ruleset *pf_find_or_create_ruleset(const char *); extern void pf_rs_initialize(void); #endif /* !KERNEL */ #ifdef __cplusplus } #endif #endif /* PF || !KERNEL */ #endif /* PRIVATE */ #endif /* _NET_PFVAR_H_ */ |