pfctl.h revision 1.23
1/*	$OpenBSD: pfctl.h,v 1.23 2003/07/04 11:05:44 henning Exp $ */
2
3/*
4 * Copyright (c) 2001 Daniel Hartmeier
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 *    - Redistributions of source code must retain the above copyright
12 *      notice, this list of conditions and the following disclaimer.
13 *    - Redistributions in binary form must reproduce the above
14 *      copyright notice, this list of conditions and the following
15 *      disclaimer in the documentation and/or other materials provided
16 *      with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
33#ifndef _PFCTL_H_
34#define _PFCTL_H_
35
36enum {	PFRB_TABLES = 1, PFRB_TSTATS, PFRB_ADDRS, PFRB_ASTATS, PFRB_MAX };
37struct pfr_buffer {
38	int	 pfrb_type;	/* type of content, see enum above */
39	int	 pfrb_size;	/* number of objects in buffer */
40	int	 pfrb_msize;	/* maximum number of objects in buffer */
41	void	*pfrb_caddr;	/* malloc'ated memory area */
42};
43#define PFRB_FOREACH(var, buf)				\
44	for ((var) = pfr_buf_next((buf), NULL);		\
45	    (var) != NULL;				\
46	    (var) = pfr_buf_next((buf), (var)))
47
48void	 pfr_set_fd(int);
49int	 pfr_get_fd(void);
50int	 pfr_clr_tables(struct pfr_table *, int *, int);
51int	 pfr_add_tables(struct pfr_table *, int, int *, int);
52int	 pfr_del_tables(struct pfr_table *, int, int *, int);
53int	 pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
54int	 pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
55int	 pfr_clr_tstats(struct pfr_table *, int, int *, int);
56int	 pfr_clr_addrs(struct pfr_table *, int *, int);
57int	 pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
58int	 pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
59int	 pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
60	     int *, int *, int *, int);
61int	 pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
62int	 pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
63int	 pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, int);
64int	 pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
65int	 pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
66int	 pfr_ina_begin(int *, int *, int);
67int	 pfr_ina_commit(int, int *, int *, int);
68int	 pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
69	    int *, int, int);
70void	 pfr_buf_clear(struct pfr_buffer *);
71int	 pfr_buf_add(struct pfr_buffer *, const void *);
72void	*pfr_buf_next(struct pfr_buffer *, const void *);
73int	 pfr_buf_grow(struct pfr_buffer *, int);
74int	 pfr_buf_load(struct pfr_buffer *, char *, int,
75	    int (*)(struct pfr_buffer *, char *, int));
76char	*pfr_strerror(int);
77
78int	 pfctl_clear_tables(const char *, const char *, int);
79int	 pfctl_show_tables(const char *, const char *, int);
80int	 pfctl_command_tables(int, char *[], char *, const char *, char *,
81	    const char *, const char *, int);
82int	 pfctl_show_altq(int, int, int);
83
84#ifndef DEFAULT_PRIORITY
85#define DEFAULT_PRIORITY	1
86#endif
87
88#ifndef DEFAULT_QLIMIT
89#define DEFAULT_QLIMIT		50
90#endif
91
92/*
93 * generalized service curve used for admission control
94 */
95struct segment {
96	LIST_ENTRY(segment)	_next;
97	double			x, y, d, m;
98};
99
100int		 check_commit_altq(int, int);
101void		 pfaltq_store(struct pf_altq *);
102void		 pfaltq_free(struct pf_altq *);
103struct pf_altq	*pfaltq_lookup(const char *);
104char		*rate2str(double);
105
106void	 print_addr(struct pf_addr_wrap *, sa_family_t, int);
107void	 print_host(struct pf_state_host *, sa_family_t, int);
108void	 print_seq(struct pf_state_peer *);
109void	 print_state(struct pf_state *, int);
110int	 unmask(struct pf_addr *, sa_family_t);
111
112int	 pfctl_cmdline_symset(char *);
113
114#endif /* _PFCTL_H_ */
115