1 files changed, 47 insertions, 0 deletions
diff --git a/src/tools/tor-fw-helper/tor-fw-helper-natpmp.h b/src/tools/tor-fw-helper/tor-fw-helper-natpmp.h
new file mode 100644
index 000000000..0190379a2
--- /dev/null
+++ b/src/tools/tor-fw-helper/tor-fw-helper-natpmp.h
@@ -0,0 +1,47 @@
+/* Copyright (c) 2010, Jacob Appelbaum, Steven J. Murdoch.
+ * Copyright (c) 2010-2011, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+  * \file tor-fw-helper-natpmp.h
+  **/
+
+#ifdef NAT_PMP
+#ifndef _TOR_FW_HELPER_NATPMP_H
+#define _TOR_FW_HELPER_NATPMP_H
+
+#include <natpmp.h>
+
+/** This is the default NAT-PMP lease time in seconds. */
+#define NATPMP_DEFAULT_LEASE 3600
+/** NAT-PMP has many codes for success; this is one of them. */
+#define NATPMP_SUCCESS 0
+
+/** This is our NAT-PMP meta structure - it holds our request data, responses,
+ * various NAT-PMP parameters, and of course the status of the motion in the
+ * NAT-PMP ocean. */
+typedef struct natpmp_state_t {
+  natpmp_t natpmp;
+  natpmpresp_t response;
+  int fetch_public_ip;
+  int status;
+  int init; /**< Have we been initialized? */
+  int protocol; /**< This will only be TCP. */
+  int lease;
+} natpmp_state_t;
+
+const tor_fw_backend_t *tor_fw_get_natpmp_backend(void);
+
+int tor_natpmp_init(tor_fw_options_t *tor_fw_options, void *backend_state);
+
+int tor_natpmp_cleanup(tor_fw_options_t *tor_fw_options, void *backend_state);
+
+int tor_natpmp_add_tcp_mapping(tor_fw_options_t *tor_fw_options,
+                               void *backend_state);
+
+int tor_natpmp_fetch_public_ip(tor_fw_options_t *tor_fw_options,
+                               void *backend_state);
+
+#endif
+#endif
+