zones.h

   1 /*
   2  * firewall3 - 3rd OpenWrt UCI firewall implementation
   3  *
   4  *   Copyright (C) 2013 Jo-Philipp Wich <jo@mein.io>
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #ifndef __FW3_ZONES_H
  20 #define __FW3_ZONES_H
  21
  22 #include "options.h"
  23 #include "iptables.h"
  24
  25 /* XT_EXTENSION_MAXNAMELEN (29)
  26  *  - sizeof("postrouting_")
  27  *  - sizeof("_rule")
  28  *  - sizeof("\0")
  29  */
  30 #define FW3_ZONE_MAXNAMELEN 11
  31
  32 extern const struct fw3_option fw3_zone_opts[];
  33
  34 struct fw3_zone * fw3_alloc_zone(void);
  35
  36 void fw3_load_zones(struct fw3_state *state, struct uci_package *p);
  37
  38 void fw3_print_zone_chains(struct fw3_ipt_handle *handle,
  39                            struct fw3_state *state, bool reload);
  40
  41 void fw3_print_zone_rules(struct fw3_ipt_handle *handle,
  42                           struct fw3_state *state, bool reload);
  43
  44 void fw3_flush_zones(struct fw3_ipt_handle *handle, struct fw3_state *state,
  45                      bool reload);
  46
  47 void fw3_hotplug_zones(struct fw3_state *state, bool add);
  48
  49 struct fw3_zone * fw3_lookup_zone(struct fw3_state *state, const char *name);
  50
  51 struct list_head * fw3_resolve_zone_addresses(struct fw3_zone *zone,
  52                                               struct fw3_address *addr);
  53
  54 #define fw3_free_zone(zone) \
  55         fw3_free_object(zone, fw3_zone_opts)
  56
  57 #define fw3_to_src_target(t) \
  58         (FW3_FLAG_SRC_ACCEPT - FW3_FLAG_ACCEPT + t)
  59
  60 #endif