X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;ds=sidebyside;f=ipif%2Fmech-sequence.c;h=273638a1b3ca14a6f8f09319a12c238190e52b57;hb=9f8946ddeb2b7851502eccb460e5d15845c2fc7e;hp=76c8c833bf9c6c279ff66b694930130a36586058;hpb=f0e54a9987423f0f5939b961fa10ab4ca7a2c406;p=userv-utils.git

diff --git a/ipif/mech-sequence.c b/ipif/mech-sequence.c
index 76c8c83..273638a 100644
--- a/ipif/mech-sequence.c
+++ b/ipif/mech-sequence.c
@@ -1,17 +1,25 @@
 /*
  * Sequence number / nonce mechanism for udp tunnel
  *
+ * mechanisms: nonce, sequence
  * arguments: none
  *
+ * restrictions: none
  * encoding: prepend 4 bytes of sequence arithmetic serial number
- * decoding: check increasingness, or ignore
+ * decoding: check increasingness (sequence), or ignore (nonce)
  */
 /*
- * Copyright (C) 2000 Ian Jackson
+ * 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 2 of the License, or
+ * 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
@@ -20,8 +28,7 @@
  * General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with userv-utils; if not, write to the Free Software
- * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * along with userv-utils; if not, see http://www.gnu.org/licenses/.
  */
 
 #include <netinet/in.h>