1/* $OpenBSD: pfctl.h,v 1.42 2007/12/05 12:01:47 chl Exp $ */ 2 3/*- 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2001 Daniel Hartmeier 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * - Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * - Redistributions in binary form must reproduce the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer in the documentation and/or other materials provided 18 * with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 28 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#ifndef _PFCTL_H_ 35#define _PFCTL_H_ 36 37#include <libpfctl.h> 38 39struct pfctl; 40 41enum pfctl_show { PFCTL_SHOW_RULES, PFCTL_SHOW_LABELS, PFCTL_SHOW_NOTHING }; 42 43enum { PFRB_TABLES = 1, PFRB_TSTATS, PFRB_ADDRS, PFRB_ASTATS, 44 PFRB_IFACES, PFRB_TRANS, PFRB_MAX }; 45struct pfr_buffer { 46 int pfrb_type; /* type of content, see enum above */ 47 int pfrb_size; /* number of objects in buffer */ 48 int pfrb_msize; /* maximum number of objects in buffer */ 49 void *pfrb_caddr; /* malloc'ated memory area */ 50}; 51#define PFRB_FOREACH(var, buf) \ 52 for ((var) = pfr_buf_next((buf), NULL); \ 53 (var) != NULL; \ 54 (var) = pfr_buf_next((buf), (var))) 55 56int pfr_get_fd(void); 57int pfr_clr_tables(struct pfr_table *, int *, int); 58int pfr_add_tables(struct pfr_table *, int, int *, int); 59int pfr_del_tables(struct pfr_table *, int, int *, int); 60int pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 61int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 62int pfr_clr_tstats(struct pfr_table *, int, int *, int); 63int pfr_clr_addrs(struct pfr_table *, int *, int); 64int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int); 65int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int); 66int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 67 int *, int *, int *, int); 68int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 69int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 70int pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int); 71int pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 72 int *, int, int); 73void pfr_buf_clear(struct pfr_buffer *); 74int pfr_buf_add(struct pfr_buffer *, const void *); 75void *pfr_buf_next(struct pfr_buffer *, const void *); 76int pfr_buf_grow(struct pfr_buffer *, int); 77int pfr_buf_load(struct pfr_buffer *, char *, int, 78 int (*)(struct pfr_buffer *, char *, int)); 79char *pfr_strerror(int); 80int pfi_get_ifaces(const char *, struct pfi_kif *, int *); 81int pfi_clr_istats(const char *, int *, int); 82 83void pfctl_print_title(char *); 84int pfctl_clear_tables(const char *, int); 85int pfctl_show_tables(const char *, int); 86int pfctl_command_tables(int, char *[], char *, const char *, char *, 87 const char *, int); 88int pfctl_show_altq(int, const char *, int, int); 89void warn_namespace_collision(const char *); 90int pfctl_show_ifaces(const char *, int); 91void pfctl_show_creators(int); 92FILE *pfctl_fopen(const char *, const char *); 93 94#ifdef __FreeBSD__ 95extern int altqsupport; 96extern int dummynetsupport; 97#define HTONL(x) (x) = htonl((__uint32_t)(x)) 98#endif 99 100#ifndef DEFAULT_PRIORITY 101#define DEFAULT_PRIORITY 1 102#endif 103 104#ifndef DEFAULT_QLIMIT 105#define DEFAULT_QLIMIT 50 106#endif 107 108/* 109 * generalized service curve used for admission control 110 */ 111struct segment { 112 LIST_ENTRY(segment) _next; 113 double x, y, d, m; 114}; 115 116extern int loadopt; 117 118int check_commit_altq(int, int); 119void pfaltq_store(struct pf_altq *); 120char *rate2str(double); 121 122void print_addr(struct pf_addr_wrap *, sa_family_t, int); 123void print_host(struct pf_addr *, u_int16_t p, sa_family_t, int); 124void print_seq(struct pfctl_state_peer *); 125void print_state(struct pfctl_state *, int); 126int unmask(struct pf_addr *, sa_family_t); 127 128int pfctl_cmdline_symset(char *); 129int pfctl_add_trans(struct pfr_buffer *, int, const char *); 130u_int32_t 131 pfctl_get_ticket(struct pfr_buffer *, int, const char *); 132int pfctl_trans(int, struct pfr_buffer *, u_long, int); 133 134int pf_get_ruleset_number(u_int8_t); 135void pf_init_ruleset(struct pfctl_ruleset *); 136int pfctl_anchor_setup(struct pfctl_rule *, 137 const struct pfctl_ruleset *, const char *); 138void pf_remove_if_empty_ruleset(struct pfctl_ruleset *); 139struct pfctl_ruleset *pf_find_ruleset(const char *); 140struct pfctl_ruleset *pf_find_or_create_ruleset(const char *); 141void pf_init_eth_ruleset(struct pfctl_eth_ruleset *); 142int pfctl_eth_anchor_setup(struct pfctl *, 143 struct pfctl_eth_rule *, 144 const struct pfctl_eth_ruleset *, const char *); 145struct pfctl_eth_ruleset *pf_find_or_create_eth_ruleset(const char *); 146void pf_remove_if_empty_eth_ruleset( 147 struct pfctl_eth_ruleset *); 148 149void expand_label(char *, size_t, struct pfctl_rule *); 150 151const char *pfctl_proto2name(int); 152 153#endif /* _PFCTL_H_ */ 154