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 60