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-rw-r--r--src/libsystemd-firewall/include/systemd-firewall/firewall-util.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/src/libsystemd-firewall/include/systemd-firewall/firewall-util.h b/src/libsystemd-firewall/include/systemd-firewall/firewall-util.h
new file mode 100644
index 0000000000..9121718bff
--- /dev/null
+++ b/src/libsystemd-firewall/include/systemd-firewall/firewall-util.h
@@ -0,0 +1,83 @@
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2015 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "systemd-basic/in-addr-util.h"
+
+#ifdef 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