usr.sbin/pfctl/pfctl.h

   1 /*      $OpenBSD: pfctl.h,v 1.33 2004/02/19 21:37:01 cedric Exp $ */
   2 /*      $DragonFly: src/usr.sbin/pfctl/pfctl.h,v 1.1 2004/09/21 23:25:28 joerg Exp $ */
   3
   4 /*
   5  * Copyright (c) 2001 Daniel Hartmeier
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  *    - Redistributions of source code must retain the above copyright
  13  *      notice, this list of conditions and the following disclaimer.
  14  *    - Redistributions in binary form must reproduce the above
  15  *      copyright notice, this list of conditions and the following
  16  *      disclaimer in the documentation and/or other materials provided
  17  *      with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  22  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  23  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  25  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  26  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  27  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  29  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  */
  33
  34 #ifndef _PFCTL_H_
  35 #define _PFCTL_H_
  36
  37 enum {  PFRB_TABLES = 1, PFRB_TSTATS, PFRB_ADDRS, PFRB_ASTATS,
  38         PFRB_IFACES, PFRB_TRANS, PFRB_MAX };
  39 struct pfr_buffer {
  40         int      pfrb_type;     /* type of content, see enum above */
  41         int      pfrb_size;     /* number of objects in buffer */
  42         int      pfrb_msize;    /* maximum number of objects in buffer */
  43         void    *pfrb_caddr;    /* malloc'ated memory area */
  44 };
  45 #define PFRB_FOREACH(var, buf)                          \
  46         for ((var) = pfr_buf_next((buf), NULL);         \
  47             (var) != NULL;                              \
  48             (var) = pfr_buf_next((buf), (var)))
  49
  50 void     pfr_set_fd(int);
  51 int      pfr_get_fd(void);
  52 int      pfr_clr_tables(struct pfr_table *, int *, int);
  53 int      pfr_add_tables(struct pfr_table *, int, int *, int);
  54 int      pfr_del_tables(struct pfr_table *, int, int *, int);
  55 int      pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
  56 int      pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
  57 int      pfr_clr_tstats(struct pfr_table *, int, int *, int);
  58 int      pfr_clr_addrs(struct pfr_table *, int *, int);
  59 int      pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
  60 int      pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
  61 int      pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
  62             int *, int *, int *, int);
  63 int      pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
  64 int      pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
  65 int      pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *, int);
  66 int      pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *, int);
  67 int      pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
  68 int      pfr_ina_begin(struct pfr_table *, int *, int *, int);
  69 int      pfr_ina_commit(struct pfr_table *, int, int *, int *, int);
  70 int      pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
  71             int *, int, int);
  72 void     pfr_buf_clear(struct pfr_buffer *);
  73 int      pfr_buf_add(struct pfr_buffer *, const void *);
  74 const void      *pfr_buf_next(struct pfr_buffer *, const void *);
  75 int      pfr_buf_grow(struct pfr_buffer *, int);
  76 int      pfr_buf_load(struct pfr_buffer *, char *, int,
  77             int (*)(struct pfr_buffer *, char *, int));
  78 const char      *pfr_strerror(int);
  79 int      pfi_get_ifaces(const char *, struct pfi_if *, int *, int);
  80 int      pfi_clr_istats(const char *, int *, int);
  81
  82 void     pfctl_print_title(const char *);
  83 int      pfctl_clear_tables(const char *, const char *, int);
  84 int      pfctl_show_tables(const char *, const char *, int);
  85 int      pfctl_command_tables(int, char *[], char *, const char *, char *,
  86             const char *, const char *, int);
  87 int      pfctl_show_altq(int, const char *, int, int);
  88 void     warn_namespace_collision(const char *);
  89 int      pfctl_show_ifaces(const char *, int);
  90
  91 #ifndef DEFAULT_PRIORITY
  92 #define DEFAULT_PRIORITY        1
  93 #endif
  94
  95 #ifndef DEFAULT_QLIMIT
  96 #define DEFAULT_QLIMIT          50
  97 #endif
  98
  99 /*
 100  * generalized service curve used for admission control
 101  */
 102 struct segment {
 103         LIST_ENTRY(segment)     _next;
 104         double                  x, y, d, m;
 105 };
 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 *, const char *);
 121 u_int32_t
 122          pfctl_get_ticket(struct pfr_buffer *, int, const char *, const char *);
 123 int      pfctl_trans(int, struct pfr_buffer *, u_long, int);
 124
 125 #endif /* _PFCTL_H_ */