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pfctl.h revision 1.1.1.3 
      1 /*	$OpenBSD: pfctl.h,v 1.37 2005/01/05 18:23:10 mcbride 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 
     36 enum {	PFRB_TABLES = 1, PFRB_TSTATS, PFRB_ADDRS, PFRB_ASTATS,
     37 	PFRB_IFACES, PFRB_TRANS, PFRB_MAX };
     38 struct pfr_buffer {
     39 	int	 pfrb_type;	/* type of content, see enum above */
     40 	int	 pfrb_size;	/* number of objects in buffer */
     41 	int	 pfrb_msize;	/* maximum number of objects in buffer */
     42 	void	*pfrb_caddr;	/* malloc'ated memory area */
     43 };
     44 #define PFRB_FOREACH(var, buf)				\
     45 	for ((var) = pfr_buf_next((buf), NULL);		\
     46 	    (var) != NULL;				\
     47 	    (var) = pfr_buf_next((buf), (var)))
     48 
     49 void	 pfr_set_fd(int);
     50 int	 pfr_get_fd(void);
     51 int	 pfr_clr_tables(struct pfr_table *, int *, int);
     52 int	 pfr_add_tables(struct pfr_table *, int, int *, int);
     53 int	 pfr_del_tables(struct pfr_table *, int, int *, int);
     54 int	 pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
     55 int	 pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
     56 int	 pfr_clr_tstats(struct pfr_table *, int, int *, int);
     57 int	 pfr_clr_addrs(struct pfr_table *, int *, int);
     58 int	 pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
     59 int	 pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
     60 int	 pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
     61 	    int *, int *, int *, int);
     62 int	 pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
     63 int	 pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
     64 int	 pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, int);
     65 int	 pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
     66 int	 pfr_set_tflags(struct pfr_table *, int, int, int, 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_if *, int *, 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 #ifndef DEFAULT_PRIORITY
     90 #define DEFAULT_PRIORITY	1
     91 #endif
     92 
     93 #ifndef DEFAULT_QLIMIT
     94 #define DEFAULT_QLIMIT		50
     95 #endif
     96 
     97 /*
     98  * generalized service curve used for admission control
     99  */
    100 struct segment {
    101 	LIST_ENTRY(segment)	_next;
    102 	double			x, y, d, m;
    103 };
    104 
    105 extern	int loadopt;
    106 
    107 int		 check_commit_altq(int, int);
    108 void		 pfaltq_store(struct pf_altq *);
    109 void		 pfaltq_free(struct pf_altq *);
    110 struct pf_altq	*pfaltq_lookup(const char *);
    111 char		*rate2str(double);
    112 
    113 void	 print_addr(struct pf_addr_wrap *, sa_family_t, int);
    114 void	 print_host(struct pf_state_host *, sa_family_t, int);
    115 void	 print_seq(struct pf_state_peer *);
    116 void	 print_state(struct pf_state *, int);
    117 int	 unmask(struct pf_addr *, sa_family_t);
    118 
    119 int	 pfctl_cmdline_symset(char *);
    120 int	 pfctl_add_trans(struct pfr_buffer *, int, const char *);
    121 u_int32_t
    122 	 pfctl_get_ticket(struct pfr_buffer *, int, const char *);
    123 int	 pfctl_trans(int, struct pfr_buffer *, u_long, int);
    124 
    125 #endif /* _PFCTL_H_ */
    126