xref: /freebsd/sbin/pfctl/pfctl.h (revision aa24f48b361effe51163877d84f1b70d32b77e04)
1 /*	$OpenBSD: pfctl.h,v 1.42 2007/12/05 12:01:47 chl 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  * $FreeBSD$
32  */
33 
34 #ifndef _PFCTL_H_
35 #define _PFCTL_H_
36 
37 enum pfctl_show { PFCTL_SHOW_RULES, PFCTL_SHOW_LABELS, PFCTL_SHOW_NOTHING };
38 
39 enum {	PFRB_TABLES = 1, PFRB_TSTATS, PFRB_ADDRS, PFRB_ASTATS,
40 	PFRB_IFACES, PFRB_TRANS, PFRB_MAX };
41 struct pfr_buffer {
42 	int	 pfrb_type;	/* type of content, see enum above */
43 	int	 pfrb_size;	/* number of objects in buffer */
44 	int	 pfrb_msize;	/* maximum number of objects in buffer */
45 	void	*pfrb_caddr;	/* malloc'ated memory area */
46 };
47 #define PFRB_FOREACH(var, buf)				\
48 	for ((var) = pfr_buf_next((buf), NULL);		\
49 	    (var) != NULL;				\
50 	    (var) = pfr_buf_next((buf), (var)))
51 
52 int	 pfr_get_fd(void);
53 int	 pfr_clr_tables(struct pfr_table *, int *, int);
54 int	 pfr_add_tables(struct pfr_table *, int, int *, int);
55 int	 pfr_del_tables(struct pfr_table *, int, int *, int);
56 int	 pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
57 int	 pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
58 int	 pfr_clr_tstats(struct pfr_table *, int, int *, int);
59 int	 pfr_clr_addrs(struct pfr_table *, int *, int);
60 int	 pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
61 int	 pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
62 int	 pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
63 	    int *, int *, int *, int);
64 int	 pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
65 int	 pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
66 int	 pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
67 int	 pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
68 	    int *, int, int);
69 void	 pfr_buf_clear(struct pfr_buffer *);
70 int	 pfr_buf_add(struct pfr_buffer *, const void *);
71 void	*pfr_buf_next(struct pfr_buffer *, const void *);
72 int	 pfr_buf_grow(struct pfr_buffer *, int);
73 int	 pfr_buf_load(struct pfr_buffer *, char *, int,
74 	    int (*)(struct pfr_buffer *, char *, int));
75 char	*pfr_strerror(int);
76 int	 pfi_get_ifaces(const char *, struct pfi_kif *, int *);
77 int	 pfi_clr_istats(const char *, int *, int);
78 
79 void	 pfctl_print_title(char *);
80 int	 pfctl_clear_tables(const char *, int);
81 int	 pfctl_show_tables(const char *, int);
82 int	 pfctl_command_tables(int, char *[], char *, const char *, char *,
83 	    const char *, int);
84 int	 pfctl_show_altq(int, const char *, int, int);
85 void	 warn_namespace_collision(const char *);
86 int	 pfctl_show_ifaces(const char *, int);
87 FILE	*pfctl_fopen(const char *, const char *);
88 
89 #ifdef __FreeBSD__
90 extern int altqsupport;
91 extern int dummynetsupport;
92 #define	HTONL(x)		(x) = htonl((__uint32_t)(x))
93 #endif
94 
95 #ifndef DEFAULT_PRIORITY
96 #define DEFAULT_PRIORITY	1
97 #endif
98 
99 #ifndef DEFAULT_QLIMIT
100 #define DEFAULT_QLIMIT		50
101 #endif
102 
103 /*
104  * generalized service curve used for admission control
105  */
106 struct segment {
107 	LIST_ENTRY(segment)	_next;
108 	double			x, y, d, m;
109 };
110 
111 extern	int loadopt;
112 
113 int		 check_commit_altq(int, int);
114 void		 pfaltq_store(struct pf_altq *);
115 struct pf_altq	*pfaltq_lookup(const char *);
116 char		*rate2str(double);
117 
118 void	 print_addr(struct pf_addr_wrap *, sa_family_t, int);
119 void	 print_host(struct pf_addr *, u_int16_t p, sa_family_t, int);
120 void	 print_seq(struct pfsync_state_peer *);
121 void	 print_state(struct pfsync_state *, int);
122 int	 unmask(struct pf_addr *, sa_family_t);
123 
124 int	 pfctl_cmdline_symset(char *);
125 int	 pfctl_add_trans(struct pfr_buffer *, int, const char *);
126 u_int32_t
127 	 pfctl_get_ticket(struct pfr_buffer *, int, const char *);
128 int	 pfctl_trans(int, struct pfr_buffer *, u_long, int);
129 
130 #endif /* _PFCTL_H_ */
131