sbin/ipfw3/ipfw3nat.h

   1 /*
   2  * Copyright (c) 2016 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Bill Yuan <bycn82@dragonflybsd.org>
   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  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #ifndef _IPFW3NAT_H_
  36 #define _IPFW3NAT_H_
  37
  38 #define NAT_BUF_LEN     1024
  39 #define port_range u_long
  40
  41 void nat_config(int ac, char **av);
  42 void nat_show_config(char *buf);
  43 void nat_show(int ac, char **av);
  44 int setup_redir_port(char *spool_buf, int len, int *_ac, char ***_av);
  45 int setup_redir_proto(char *spool_buf, int len, int *_ac, char ***_av);
  46 int str2proto(const char* str);
  47 int str2addr_portrange (const char* str, struct in_addr* addr,
  48                 char* proto, port_range *portRange);
  49 void set_addr_dynamic(const char *ifn, struct cfg_nat *n);
  50 int setup_redir_addr(char *spool_buf, int len, int *_ac, char ***_av);
  51 int str2portrange(const char* str, const char* proto, port_range *portRange);
  52 void str2addr(const char* str, struct in_addr* addr);
  53 void nat_delete_config(int ac, char *av[]);
  54 void nat_show_state(int ac, char **av);
  55 int get_kern_boottime(void);
  56
  57 void nat_flush(void);
  58 void nat_main(int ac, char **av);
  59 #endif