summaryrefslogtreecommitdiff
path: root/src/shared/firewall-util.h
blob: 7725a5e58dfd31a20ae5de8dc7fee653ab969be3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once

#include <stdbool.h>
#include <stdint.h>

#include "in-addr-util.h"

typedef struct FirewallContext FirewallContext;

int fw_ctx_new(FirewallContext **ret);
FirewallContext *fw_ctx_free(FirewallContext *ctx);

DEFINE_TRIVIAL_CLEANUP_FUNC(FirewallContext *, fw_ctx_free);

int fw_add_masquerade(
                FirewallContext **ctx,
                bool add,
                int af,
                const union in_addr_union *source,
                unsigned source_prefixlen);

int fw_add_local_dnat(
                FirewallContext **ctx,
                bool add,
                int af,
                int protocol,
                uint16_t local_port,
                const union in_addr_union *remote,
                uint16_t remote_port,
                const union in_addr_union *previous_remote);