RECLAIM/OIDC: code cleanup

[oweals/gnunet.git] / src / nat / gnunet-service-nat_helper.h

diff --git a/src/nat/gnunet-service-nat_helper.h b/src/nat/gnunet-service-nat_helper.h
index c3074d9ade901bed45019ddef2ea779948bb40b6..d9294d949370868c6b9b77a1b04c40ff544669cd 100644 (file)
--- a/src/nat/gnunet-service-nat_helper.h
+++ b/src/nat/gnunet-service-nat_helper.h
@@ -2,20 +2,20 @@
      This file is part of GNUnet.
      Copyright (C) 2009, 2010, 2011, 2016 GNUnet e.V.
 
-     GNUnet 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; either version 3, or (at your
-     option) any later version.
+     GNUnet is free software: you can redistribute it and/or modify it
+     under the terms of the GNU Affero General Public License as published
+     by the Free Software Foundation, either version 3 of the License,
+     or (at your option) any later version.
 
      GNUnet 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.
+     Affero General Public License for more details.
+    
+     You should have received a copy of the GNU Affero General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-     You should have received a copy of the GNU General Public License
-     along with GNUnet; see the file COPYING.  If not, write to the
-     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-     Boston, MA 02110-1301, USA.
+     SPDX-License-Identifier: AGPL3.0-or-later
 */
 
 /**
@@ -56,7 +56,7 @@ typedef void
  * @return NULL on error
  */
 struct HelperContext *
-GN_start_gnunet_nat_server_ (const char *internal_address,
+GN_start_gnunet_nat_server_ (const struct in_addr *internal_address,
                             GN_ReversalCallback cb,
                             void *cb_cls);
 
@@ -71,4 +71,21 @@ void
 GN_stop_gnunet_nat_server_ (struct HelperContext *h);
 
 
+/**
+ * We want to connect to a peer that is behind NAT.  Run the
+ * gnunet-helper-nat-client to send dummy ICMP responses to cause
+ * that peer to connect to us (connection reversal).
+ *
+ * @param internal_address out internal address to use
+ * @param internal_port internal port to use
+ * @param remote_v4 the address of the peer (IPv4-only)
+ * @return #GNUNET_SYSERR on error,
+ *         #GNUNET_OK otherwise
+ */
+int
+GN_request_connection_reversal (const struct in_addr *internal_address,
+                               uint16_t internal_port,
+                               const struct in_addr *sa);
+
+
 /* end of gnunet-service-nat_helper.h */