X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=ipif%2Fmech-null.c;h=d24de7317512d00d1f3556b516c71fa2d9b0aa29;hb=03e3cd7d0224293624a17af7de6638cdd8659917;hp=8ff117ccb02253f518abcb2522c02023764e68c4;hpb=f9e59051127e72847e1bee84ad52670e875f7d2f;p=userv-utils.git

diff --git a/ipif/mech-null.c b/ipif/mech-null.c
index 8ff117c..d24de73 100644
--- a/ipif/mech-null.c
+++ b/ipif/mech-null.c
@@ -1,4 +1,34 @@
 /*
+ * Null mechanism for udp tunnel (for testing purposes only)
+ *
+ * mechanisms: null
+ * arguments: none
+ *
+ * key values: none
+ * restrictions: none
+ * encoding: no transformation
+ */
+/*
+ * This file is part of ipif, part of userv-utils
+ *
+ * Copyright 1996-2013 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright 1998 David Damerell <damerell@chiark.greenend.org.uk>
+ * Copyright 1999,2003
+ *    Chancellor Masters and Scholars of the University of Cambridge
+ * Copyright 2010 Tony Finch <fanf@dotat.at>
+ *
+ * This 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 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 userv-utils; if not, see http://www.gnu.org/licenses/.
  */
 
 #include "forwarder.h"