contrib/fwd/src/fwd_rules.h

   1 /*
   2  * fwd - OpenWrt firewall daemon - header for iptables rule set
   3  *
   4  *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
   5  *
   6  * The fwd program is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License version 2
   8  * as published by the Free Software Foundation.
   9  *
  10  * The fwd program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with the fwd program. If not, see http://www.gnu.org/licenses/.
  17  */
  18
  19 #ifndef __FWD_RULES_H__
  20 #define __FWD_RULES_H__
  21
  22 #include "fwd.h"
  23
  24 #define IPT "iptables"
  25
  26 struct fwd_ipt_rulebuf {
  27         char *buf;
  28         size_t len;
  29 };
  30
  31
  32 #define fwd_ipt_add_format fwd_ipt_rule_append
  33
  34 #define fwd_ipt_exec_format(t, ...) do {         \
  35         struct fwd_ipt_rulebuf *r = fwd_ipt_init(t); \
  36         fwd_ipt_add_format(r, __VA_ARGS__);          \
  37         fwd_ipt_exec(r);                             \
  38 } while(0)
  39
  40 void fwd_ipt_build_ruleset(struct fwd_handle *h);
  41 void fwd_ipt_addif(struct fwd_handle *h, const char *net);
  42
  43 #endif
  44