/*	$OpenBSD: pfctl.h,v 1.36 2004/06/14 20:44:22 cedric Exp $ */

/*
 * Copyright (c) 2001 Daniel Hartmeier
 * 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 _PFCTL_H_
#define _PFCTL_H_

enum {	PFRB_TABLES = 1, PFRB_TSTATS, PFRB_ADDRS, PFRB_ASTATS,
	PFRB_IFACES, PFRB_TRANS, PFRB_MAX };
struct pfr_buffer {
	int	 pfrb_type;	/* type of content, see enum above */
	int	 pfrb_size;	/* number of objects in buffer */
	int	 pfrb_msize;	/* maximum number of objects in buffer */
	void	*pfrb_caddr;	/* malloc'ated memory area */
};
#define PFRB_FOREACH(var, buf)				\
	for ((var) = pfr_buf_next((buf), NULL);		\
	    (var) != NULL;				\
	    (var) = pfr_buf_next((buf), (var)))

void	 pfr_set_fd(int);
int	 pfr_get_fd(void);
int	 pfr_clr_tables(struct pfr_table *, int *, int);
int	 pfr_add_tables(struct pfr_table *, int, int *, int);
int	 pfr_del_tables(struct pfr_table *, int, int *, int);
int	 pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
int	 pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
int	 pfr_clr_tstats(struct pfr_table *, int, int *, int);
int	 pfr_clr_addrs(struct pfr_table *, int *, int);
int	 pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
int	 pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
int	 pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
	    int *, int *, int *, int);
int	 pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
int	 pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
int	 pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, int);
int	 pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
int	 pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
int	 pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
	    int *, int, int);
void	 pfr_buf_clear(struct pfr_buffer *);
int	 pfr_buf_add(struct pfr_buffer *, const void *);
void	*pfr_buf_next(struct pfr_buffer *, const void *);
int	 pfr_buf_grow(struct pfr_buffer *, int);
int	 pfr_buf_load(struct pfr_buffer *, char *, int,
	    int (*)(struct pfr_buffer *, char *, int));
char	*pfr_strerror(int);
int	 pfi_get_ifaces(const char *, struct pfi_if *, int *, int);
int	 pfi_clr_istats(const char *, int *, int);

void	 pfctl_print_title(char *);
int	 pfctl_clear_tables(const char *, int);
int	 pfctl_show_tables(const char *, int);
int	 pfctl_command_tables(int, char *[], char *, const char *, char *,
	    const char *, int);
int	 pfctl_show_altq(int, const char *, int, int);
void	 warn_namespace_collision(const char *);
int	 pfctl_show_ifaces(const char *, int);
FILE	*pfctl_fopen(const char *, const char *);

#ifndef DEFAULT_PRIORITY
#define DEFAULT_PRIORITY	1
#endif

#ifndef DEFAULT_QLIMIT
#define DEFAULT_QLIMIT		50
#endif

/*
 * generalized service curve used for admission control
 */
struct segment {
	LIST_ENTRY(segment)	_next;
	double			x, y, d, m;
};

int		 check_commit_altq(int, int);
void		 pfaltq_store(struct pf_altq *);
void		 pfaltq_free(struct pf_altq *);
struct pf_altq	*pfaltq_lookup(const char *);
char		*rate2str(double);

void	 print_addr(struct pf_addr_wrap *, sa_family_t, int);
void	 print_host(struct pf_state_host *, sa_family_t, int);
void	 print_seq(struct pf_state_peer *);
void	 print_state(struct pf_state *, int);
int	 unmask(struct pf_addr *, sa_family_t);

int	 pfctl_cmdline_symset(char *);
int	 pfctl_add_trans(struct pfr_buffer *, int, const char *);
u_int32_t
	 pfctl_get_ticket(struct pfr_buffer *, int, const char *);
int	 pfctl_trans(int, struct pfr_buffer *, u_long, int);

#endif /* _PFCTL_H_ */