1 files changed, 84 insertions, 0 deletions
diff --git a/src/VBox/NetworkServices/NAT/portfwd.h b/src/VBox/NetworkServices/NAT/portfwd.h
new file mode 100644
index 00000000..47c3f817
--- /dev/null
+++ b/src/VBox/NetworkServices/NAT/portfwd.h
@@ -0,0 +1,84 @@
+/* $Id: portfwd.h $ */
+/** @file
+ * NAT Network - port-forwarding rules, definitions and declarations.
+ */
+
+/*
+ * Copyright (C) 2013-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#ifndef VBOX_INCLUDED_SRC_NAT_portfwd_h
+#define VBOX_INCLUDED_SRC_NAT_portfwd_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#ifndef RT_OS_WINDOWS
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#endif
+
+#include "lwip/ip_addr.h"
+
+
+struct fwspec {
+    int sdom;                   /* PF_INET, PF_INET6 */
+    int stype;                  /* SOCK_STREAM, SOCK_DGRAM */
+
+    /* listen on */
+    union {
+        struct sockaddr sa;
+        struct sockaddr_in sin;   /* sdom == PF_INET  */
+        struct sockaddr_in6 sin6; /* sdom == PF_INET6 */
+    } src;
+
+    /* forward to */
+    union {
+        struct sockaddr sa;
+        struct sockaddr_in sin;   /* sdom == PF_INET  */
+        struct sockaddr_in6 sin6; /* sdom == PF_INET6 */
+    } dst;
+};
+
+
+void portfwd_init(void);
+int portfwd_rule_add(struct fwspec *);
+int portfwd_rule_del(struct fwspec *);
+
+
+int fwspec_set(struct fwspec *, int, int,
+               const char *, uint16_t,
+               const char *, uint16_t);
+
+int fwspec_equal(struct fwspec *, struct fwspec *);
+
+void fwtcp_init(void);
+void fwudp_init(void);
+
+void fwtcp_add(struct fwspec *);
+void fwtcp_del(struct fwspec *);
+void fwudp_add(struct fwspec *);
+void fwudp_del(struct fwspec *);
+
+int fwany_ipX_addr_set_src(ipX_addr_t *, const struct sockaddr *);
+
+#endif /* !VBOX_INCLUDED_SRC_NAT_portfwd_h */