src/shared/firewall-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   Copyright 2015 Lennart Poettering
   6 ***/
   7
   8 #include <stdbool.h>
   9 #include <stdint.h>
  10
  11 #include "in-addr-util.h"
  12
  13 #if HAVE_LIBIPTC
  14
  15 int fw_add_masquerade(
  16                 bool add,
  17                 int af,
  18                 int protocol,
  19                 const union in_addr_union *source,
  20                 unsigned source_prefixlen,
  21                 const char *out_interface,
  22                 const union in_addr_union *destination,
  23                 unsigned destination_prefixlen);
  24
  25 int fw_add_local_dnat(
  26                 bool add,
  27                 int af,
  28                 int protocol,
  29                 const char *in_interface,
  30                 const union in_addr_union *source,
  31                 unsigned source_prefixlen,
  32                 const union in_addr_union *destination,
  33                 unsigned destination_prefixlen,
  34                 uint16_t local_port,
  35                 const union in_addr_union *remote,
  36                 uint16_t remote_port,
  37                 const union in_addr_union *previous_remote);
  38
  39 #else
  40
  41 static inline int fw_add_masquerade(
  42                 bool add,
  43                 int af,
  44                 int protocol,
  45                 const union in_addr_union *source,
  46                 unsigned source_prefixlen,
  47                 const char *out_interface,
  48                 const union in_addr_union *destination,
  49                 unsigned destination_prefixlen) {
  50         return -EOPNOTSUPP;
  51 }
  52
  53 static inline int fw_add_local_dnat(
  54                 bool add,
  55                 int af,
  56                 int protocol,
  57                 const char *in_interface,
  58                 const union in_addr_union *source,
  59                 unsigned source_prefixlen,
  60                 const union in_addr_union *destination,
  61                 unsigned destination_prefixlen,
  62                 uint16_t local_port,
  63                 const union in_addr_union *remote,
  64                 uint16_t remote_port,
  65                 const union in_addr_union *previous_remote) {
  66         return -EOPNOTSUPP;
  67 }
  68
  69 #endif