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a7191e5d7b
Allow userspace to retrieve a list of distinct creator ids for the
current states.
This is used by pfSense, and used to require dumping all states to
userspace. It's rather inefficient to export a (potentially extremely
large) state table to obtain a handful (typically 2) of 32-bit integers.
Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D42092
154 lines
5.7 KiB
C
154 lines
5.7 KiB
C
/* $OpenBSD: pfctl.h,v 1.42 2007/12/05 12:01:47 chl Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2001 Daniel Hartmeier
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _PFCTL_H_
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#define _PFCTL_H_
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#include <libpfctl.h>
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struct pfctl;
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enum pfctl_show { PFCTL_SHOW_RULES, PFCTL_SHOW_LABELS, PFCTL_SHOW_NOTHING };
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enum { PFRB_TABLES = 1, PFRB_TSTATS, PFRB_ADDRS, PFRB_ASTATS,
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PFRB_IFACES, PFRB_TRANS, PFRB_MAX };
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struct pfr_buffer {
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int pfrb_type; /* type of content, see enum above */
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int pfrb_size; /* number of objects in buffer */
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int pfrb_msize; /* maximum number of objects in buffer */
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void *pfrb_caddr; /* malloc'ated memory area */
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};
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#define PFRB_FOREACH(var, buf) \
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for ((var) = pfr_buf_next((buf), NULL); \
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(var) != NULL; \
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(var) = pfr_buf_next((buf), (var)))
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int pfr_get_fd(void);
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int pfr_clr_tables(struct pfr_table *, int *, int);
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int pfr_add_tables(struct pfr_table *, int, int *, int);
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int pfr_del_tables(struct pfr_table *, int, int *, int);
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int pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
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int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
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int pfr_clr_tstats(struct pfr_table *, int, int *, int);
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int pfr_clr_addrs(struct pfr_table *, int *, int);
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int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
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int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
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int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
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int *, int *, int *, int);
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int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
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int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
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int pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
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int pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
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int *, int, int);
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void pfr_buf_clear(struct pfr_buffer *);
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int pfr_buf_add(struct pfr_buffer *, const void *);
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void *pfr_buf_next(struct pfr_buffer *, const void *);
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int pfr_buf_grow(struct pfr_buffer *, int);
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int pfr_buf_load(struct pfr_buffer *, char *, int,
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int (*)(struct pfr_buffer *, char *, int));
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char *pfr_strerror(int);
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int pfi_get_ifaces(const char *, struct pfi_kif *, int *);
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int pfi_clr_istats(const char *, int *, int);
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void pfctl_print_title(char *);
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int pfctl_clear_tables(const char *, int);
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int pfctl_show_tables(const char *, int);
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int pfctl_command_tables(int, char *[], char *, const char *, char *,
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const char *, int);
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int pfctl_show_altq(int, const char *, int, int);
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void warn_namespace_collision(const char *);
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int pfctl_show_ifaces(const char *, int);
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void pfctl_show_creators(int);
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FILE *pfctl_fopen(const char *, const char *);
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#ifdef __FreeBSD__
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extern int altqsupport;
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extern int dummynetsupport;
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#define HTONL(x) (x) = htonl((__uint32_t)(x))
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#endif
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#ifndef DEFAULT_PRIORITY
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#define DEFAULT_PRIORITY 1
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#endif
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#ifndef DEFAULT_QLIMIT
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#define DEFAULT_QLIMIT 50
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#endif
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/*
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* generalized service curve used for admission control
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*/
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struct segment {
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LIST_ENTRY(segment) _next;
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double x, y, d, m;
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};
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extern int loadopt;
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int check_commit_altq(int, int);
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void pfaltq_store(struct pf_altq *);
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char *rate2str(double);
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void print_addr(struct pf_addr_wrap *, sa_family_t, int);
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void print_host(struct pf_addr *, u_int16_t p, sa_family_t, int);
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void print_seq(struct pfctl_state_peer *);
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void print_state(struct pfctl_state *, int);
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int unmask(struct pf_addr *, sa_family_t);
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int pfctl_cmdline_symset(char *);
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int pfctl_add_trans(struct pfr_buffer *, int, const char *);
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u_int32_t
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pfctl_get_ticket(struct pfr_buffer *, int, const char *);
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int pfctl_trans(int, struct pfr_buffer *, u_long, int);
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int pf_get_ruleset_number(u_int8_t);
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void pf_init_ruleset(struct pfctl_ruleset *);
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int pfctl_anchor_setup(struct pfctl_rule *,
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const struct pfctl_ruleset *, const char *);
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void pf_remove_if_empty_ruleset(struct pfctl_ruleset *);
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struct pfctl_ruleset *pf_find_ruleset(const char *);
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struct pfctl_ruleset *pf_find_or_create_ruleset(const char *);
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void pf_init_eth_ruleset(struct pfctl_eth_ruleset *);
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int pfctl_eth_anchor_setup(struct pfctl *,
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struct pfctl_eth_rule *,
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const struct pfctl_eth_ruleset *, const char *);
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struct pfctl_eth_ruleset *pf_find_or_create_eth_ruleset(const char *);
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void pf_remove_if_empty_eth_ruleset(
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struct pfctl_eth_ruleset *);
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void expand_label(char *, size_t, struct pfctl_rule *);
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const char *pfctl_proto2name(int);
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#endif /* _PFCTL_H_ */
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