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 * $FreeBSD$ 34 */ 35 36 #ifndef _PFCTL_H_ 37 #define _PFCTL_H_ 38 39 #include <libpfctl.h> 40 41 struct pfctl; 42 43 enum pfctl_show { PFCTL_SHOW_RULES, PFCTL_SHOW_LABELS, PFCTL_SHOW_NOTHING }; 44 45 enum { PFRB_TABLES = 1, PFRB_TSTATS, PFRB_ADDRS, PFRB_ASTATS, 46 PFRB_IFACES, PFRB_TRANS, PFRB_MAX }; 47 struct pfr_buffer { 48 int pfrb_type; /* type of content, see enum above */ 49 int pfrb_size; /* number of objects in buffer */ 50 int pfrb_msize; /* maximum number of objects in buffer */ 51 void *pfrb_caddr; /* malloc'ated memory area */ 52 }; 53 #define PFRB_FOREACH(var, buf) \ 54 for ((var) = pfr_buf_next((buf), NULL); \ 55 (var) != NULL; \ 56 (var) = pfr_buf_next((buf), (var))) 57 58 int pfr_get_fd(void); 59 int pfr_clr_tables(struct pfr_table *, int *, int); 60 int pfr_add_tables(struct pfr_table *, int, int *, int); 61 int pfr_del_tables(struct pfr_table *, int, int *, int); 62 int pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int); 63 int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int); 64 int pfr_clr_tstats(struct pfr_table *, int, int *, int); 65 int pfr_clr_addrs(struct pfr_table *, int *, int); 66 int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int); 67 int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int); 68 int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *, 69 int *, int *, int *, int); 70 int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int); 71 int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int); 72 int pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int); 73 int pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *, 74 int *, int, int); 75 void pfr_buf_clear(struct pfr_buffer *); 76 int pfr_buf_add(struct pfr_buffer *, const void *); 77 void *pfr_buf_next(struct pfr_buffer *, const void *); 78 int pfr_buf_grow(struct pfr_buffer *, int); 79 int pfr_buf_load(struct pfr_buffer *, char *, int, 80 int (*)(struct pfr_buffer *, char *, int)); 81 char *pfr_strerror(int); 82 int pfi_get_ifaces(const char *, struct pfi_kif *, int *); 83 int pfi_clr_istats(const char *, int *, int); 84 85 void pfctl_print_title(char *); 86 int pfctl_clear_tables(const char *, int); 87 int pfctl_show_tables(const char *, int); 88 int pfctl_command_tables(int, char *[], char *, const char *, char *, 89 const char *, int); 90 int pfctl_show_altq(int, const char *, int, int); 91 void warn_namespace_collision(const char *); 92 int pfctl_show_ifaces(const char *, int); 93 FILE *pfctl_fopen(const char *, const char *); 94 95 #ifdef __FreeBSD__ 96 extern int altqsupport; 97 extern int dummynetsupport; 98 #define HTONL(x) (x) = htonl((__uint32_t)(x)) 99 #endif 100 101 #ifndef DEFAULT_PRIORITY 102 #define DEFAULT_PRIORITY 1 103 #endif 104 105 #ifndef DEFAULT_QLIMIT 106 #define DEFAULT_QLIMIT 50 107 #endif 108 109 /* 110 * generalized service curve used for admission control 111 */ 112 struct segment { 113 LIST_ENTRY(segment) _next; 114 double x, y, d, m; 115 }; 116 117 extern int loadopt; 118 119 int check_commit_altq(int, int); 120 void pfaltq_store(struct pf_altq *); 121 char *rate2str(double); 122 123 void print_addr(struct pf_addr_wrap *, sa_family_t, int); 124 void print_host(struct pf_addr *, u_int16_t p, sa_family_t, int); 125 void print_seq(struct pfctl_state_peer *); 126 void print_state(struct pfctl_state *, int); 127 int unmask(struct pf_addr *, sa_family_t); 128 129 int pfctl_cmdline_symset(char *); 130 int pfctl_add_trans(struct pfr_buffer *, int, const char *); 131 u_int32_t 132 pfctl_get_ticket(struct pfr_buffer *, int, const char *); 133 int pfctl_trans(int, struct pfr_buffer *, u_long, int); 134 135 int pf_get_ruleset_number(u_int8_t); 136 void pf_init_ruleset(struct pfctl_ruleset *); 137 int pfctl_anchor_setup(struct pfctl_rule *, 138 const struct pfctl_ruleset *, const char *); 139 void pf_remove_if_empty_ruleset(struct pfctl_ruleset *); 140 struct pfctl_ruleset *pf_find_ruleset(const char *); 141 struct pfctl_ruleset *pf_find_or_create_ruleset(const char *); 142 void pf_init_eth_ruleset(struct pfctl_eth_ruleset *); 143 int pfctl_eth_anchor_setup(struct pfctl *, 144 struct pfctl_eth_rule *, 145 const struct pfctl_eth_ruleset *, const char *); 146 struct pfctl_eth_ruleset *pf_find_or_create_eth_ruleset(const char *); 147 void pf_remove_if_empty_eth_ruleset( 148 struct pfctl_eth_ruleset *); 149 150 void expand_label(char *, size_t, struct pfctl_rule *); 151 152 const char *pfctl_proto2name(int); 153 154 #endif /* _PFCTL_H_ */ 155