1 files changed, 65 insertions, 0 deletions
diff --git a/src/shared/firewall-util.h b/src/shared/firewall-util.h
new file mode 100644
index 0000000..4fc71da
--- /dev/null
+++ b/src/shared/firewall-util.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "in-addr-util.h"
+
+#if HAVE_LIBIPTC
+
+int fw_add_masquerade(
+                bool add,
+                int af,
+                int protocol,
+                const union in_addr_union *source,
+                unsigned source_prefixlen,
+                const char *out_interface,
+                const union in_addr_union *destination,
+                unsigned destination_prefixlen);
+
+int fw_add_local_dnat(
+                bool add,
+                int af,
+                int protocol,
+                const char *in_interface,
+                const union in_addr_union *source,
+                unsigned source_prefixlen,
+                const union in_addr_union *destination,
+                unsigned destination_prefixlen,
+                uint16_t local_port,
+                const union in_addr_union *remote,
+                uint16_t remote_port,
+                const union in_addr_union *previous_remote);
+
+#else
+
+static inline int fw_add_masquerade(
+                bool add,
+                int af,
+                int protocol,
+                const union in_addr_union *source,
+                unsigned source_prefixlen,
+                const char *out_interface,
+                const union in_addr_union *destination,
+                unsigned destination_prefixlen) {
+        return -EOPNOTSUPP;
+}
+
+static inline int fw_add_local_dnat(
+                bool add,
+                int af,
+                int protocol,
+                const char *in_interface,
+                const union in_addr_union *source,
+                unsigned source_prefixlen,
+                const union in_addr_union *destination,
+                unsigned destination_prefixlen,
+                uint16_t local_port,
+                const union in_addr_union *remote,
+                uint16_t remote_port,
+                const union in_addr_union *previous_remote) {
+        return -EOPNOTSUPP;
+}
+
+#endif