src/shared/firewall-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <stdbool.h>
   5 #include <stdint.h>
   6
   7 #include "in-addr-util.h"
   8
   9 typedef struct FirewallContext FirewallContext;
  10
  11 int fw_ctx_new(FirewallContext **ret);
  12 FirewallContext *fw_ctx_free(FirewallContext *ctx);
  13
  14 DEFINE_TRIVIAL_CLEANUP_FUNC(FirewallContext *, fw_ctx_free);
  15
  16 int fw_add_masquerade(
  17                 FirewallContext **ctx,
  18                 bool add,
  19                 int af,
  20                 const union in_addr_union *source,
  21                 unsigned source_prefixlen);
  22
  23 int fw_add_local_dnat(
  24                 FirewallContext **ctx,
  25                 bool add,
  26                 int af,
  27                 int protocol,
  28                 uint16_t local_port,
  29                 const union in_addr_union *remote,
  30                 uint16_t remote_port,
  31                 const union in_addr_union *previous_remote);