src/shared/firewall-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2015 Lennart Poettering
   8 ***/
   9
  10 #include <stdbool.h>
  11 #include <stdint.h>
  12
  13 #include "in-addr-util.h"
  14
  15 #if HAVE_LIBIPTC
  16
  17 int fw_add_masquerade(
  18                 bool add,
  19                 int af,
  20                 int protocol,
  21                 const union in_addr_union *source,
  22                 unsigned source_prefixlen,
  23                 const char *out_interface,
  24                 const union in_addr_union *destination,
  25                 unsigned destination_prefixlen);
  26
  27 int fw_add_local_dnat(
  28                 bool add,
  29                 int af,
  30                 int protocol,
  31                 const char *in_interface,
  32                 const union in_addr_union *source,
  33                 unsigned source_prefixlen,
  34                 const union in_addr_union *destination,
  35                 unsigned destination_prefixlen,
  36                 uint16_t local_port,
  37                 const union in_addr_union *remote,
  38                 uint16_t remote_port,
  39                 const union in_addr_union *previous_remote);
  40
  41 #else
  42
  43 static inline int fw_add_masquerade(
  44                 bool add,
  45                 int af,
  46                 int protocol,
  47                 const union in_addr_union *source,
  48                 unsigned source_prefixlen,
  49                 const char *out_interface,
  50                 const union in_addr_union *destination,
  51                 unsigned destination_prefixlen) {
  52         return -EOPNOTSUPP;
  53 }
  54
  55 static inline int fw_add_local_dnat(
  56                 bool add,
  57                 int af,
  58                 int protocol,
  59                 const char *in_interface,
  60                 const union in_addr_union *source,
  61                 unsigned source_prefixlen,
  62                 const union in_addr_union *destination,
  63                 unsigned destination_prefixlen,
  64                 uint16_t local_port,
  65                 const union in_addr_union *remote,
  66                 uint16_t remote_port,
  67                 const union in_addr_union *previous_remote) {
  68         return -EOPNOTSUPP;
  69 }
  70
  71 #endif