ipsets.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_IPSETS_H
  20 #define __FW3_IPSETS_H
  21
  22 #include <linux/netfilter/ipset/ip_set.h>
  23
  24 #include "options.h"
  25 #include "utils.h"
  26
  27
  28 extern const struct fw3_option fw3_ipset_opts[];
  29
  30 void fw3_load_ipsets(struct fw3_state *state, struct uci_package *p, struct blob_attr *a);
  31 void fw3_create_ipsets(struct fw3_state *state, enum fw3_family family,
  32                        bool reload_set);
  33 void fw3_destroy_ipsets(struct fw3_state *state, enum fw3_family family,
  34                         bool reload_set);
  35
  36 struct fw3_ipset * fw3_lookup_ipset(struct fw3_state *state, const char *name);
  37
  38 bool fw3_check_ipset(struct fw3_ipset *set);
  39
  40 void
  41 fw3_ipsets_update_run_state(enum fw3_family family, struct fw3_state *run_state,
  42                             struct fw3_state *cfg_state);
  43
  44 static inline void fw3_free_ipset(struct fw3_ipset *ipset)
  45 {
  46         list_del(&ipset->list);
  47         fw3_free_object(ipset, fw3_ipset_opts);
  48 }
  49
  50 #ifndef SO_IP_SET
  51
  52 #define SO_IP_SET           83
  53 #define IPSET_MAXNAMELEN    32
  54 #define IPSET_INVALID_ID    65535
  55
  56 union ip_set_name_index {
  57     char name[IPSET_MAXNAMELEN];
  58     uint16_t index;
  59 };
  60
  61 #define IP_SET_OP_GET_BYNAME    0x00000006
  62 struct ip_set_req_get_set {
  63     uint32_t op;
  64     uint32_t version;
  65     union ip_set_name_index set;
  66 };
  67
  68 #define IP_SET_OP_VERSION       0x00000100
  69 struct ip_set_req_version {
  70     uint32_t op;
  71     uint32_t version;
  72 };
  73
  74 #endif /* SO_IP_SET */
  75
  76 #endif