Fix/Update copyright notices; Add SPDX annotation

Let's fix some erroneous/accidential references to wrong license,
update copyright information where applicable and introduce a
SPDX-License-Identifier to all files.

Change-Id: I39af26c6aaaf5c926966391f6565fc5936be21af

10 files changed, 28 insertions, 3 deletions

diff --git a/src/vty/buffer.c b/src/vty/buffer.c
index 1935aa11..e68e3a20 100644
--- a/src/vty/buffer.c
+++ b/src/vty/buffer.c
@@ -3,6 +3,8 @@
 /*
  * Copyright (C) 1998 Kunihiro Ishiguro
  *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
  * This file is part of GNU Zebra.
  *
  * GNU Zebra is free software; you can redistribute it and/or modify
diff --git a/src/vty/command.c b/src/vty/command.c
index 98d86d24..5f7a42c3 100644
--- a/src/vty/command.c
+++ b/src/vty/command.c
@@ -3,6 +3,12 @@
 
    Command interpreter routine for virtual terminal [aka TeletYpe]
    Copyright (C) 1997, 98, 99 Kunihiro Ishiguro
+   Copyright (C) 2010-2011 Holger Hans Peter Freyther <zecke@selfish.org>
+   Copyright (C) 2012 Sylvain Munaut <tnt@246tNt.com>
+   Copyright (C) 2013,2015 Harald Welte <laforge@gnumonks.org>
+   Copyright (C) 2013,2017 sysmocom - s.f.m.c. GmbH
+
+   SPDX-License-Identifier: GPL-2.0+
 
 This file is part of GNU Zebra.
 
diff --git a/src/vty/fsm_vty.c b/src/vty/fsm_vty.c
index 50c7fd52..8abb9c92 100644
--- a/src/vty/fsm_vty.c
+++ b/src/vty/fsm_vty.c
@@ -2,6 +2,8 @@
  * (C) 2016 by Harald Welte <laforge@gnumonks.org>
  * All Rights Reserved
  *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
  * This program 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
diff --git a/src/vty/logging_vty.c b/src/vty/logging_vty.c
index 9b7d10af..215394f0 100644
--- a/src/vty/logging_vty.c
+++ b/src/vty/logging_vty.c
@@ -3,6 +3,8 @@
  * (C) 2009-2014 by Holger Hans Peter Freyther
  * All Rights Reserved
  *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
  * This program 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
diff --git a/src/vty/stats_vty.c b/src/vty/stats_vty.c
index 2ccbf668..6c09c38e 100644
--- a/src/vty/stats_vty.c
+++ b/src/vty/stats_vty.c
@@ -1,9 +1,11 @@
 /*
  * (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
  * (C) 2009-2014 by Holger Hans Peter Freyther
- * (C) 2015      by Sysmocom s.f.m.c. GmbH
+ * (C) 2015      by sysmocom - s.f.m.c. GmbH
  * All Rights Reserved
  *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
  * This program 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
diff --git a/src/vty/talloc_ctx_vty.c b/src/vty/talloc_ctx_vty.c
index 136a1b40..601b6965 100644
--- a/src/vty/talloc_ctx_vty.c
+++ b/src/vty/talloc_ctx_vty.c
@@ -5,6 +5,8 @@
  *
  * All Rights Reserved
  *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
  * This program 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
diff --git a/src/vty/telnet_interface.c b/src/vty/telnet_interface.c
index 40154fef..0ccf8dc6 100644
--- a/src/vty/telnet_interface.c
+++ b/src/vty/telnet_interface.c
@@ -1,6 +1,9 @@
-/* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
+/* (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2010 by Sylvain Munaut <tnt@246tNt.com>
  * All Rights Reserved
  *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
  * This program 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
diff --git a/src/vty/utils.c b/src/vty/utils.c
index e7aeb889..8cd0b35a 100644
--- a/src/vty/utils.c
+++ b/src/vty/utils.c
@@ -2,9 +2,12 @@
  * Utility routines for printing common objects in the Osmocom world. */
 /*
  * (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2013,2015 by sysmocom - s.f.m.c. GmbH
  *
  * All Rights Reserved
  *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
  * This program 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
diff --git a/src/vty/vector.c b/src/vty/vector.c
index ee07cbd2..f9e5ec3e 100644
--- a/src/vty/vector.c
+++ b/src/vty/vector.c
@@ -3,6 +3,8 @@
 /*
  * Copyright (C) 1997 Kunihiro Ishiguro
  *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
  * This file is part of GNU Zebra.
  *
  * GNU Zebra is free software; you can redistribute it and/or modify it
diff --git a/src/vty/vty.c b/src/vty/vty.c
index aef73b3a..e741a66a 100644
--- a/src/vty/vty.c
+++ b/src/vty/vty.c
@@ -22,7 +22,7 @@
  *
  * \section sec_copyright Copyright and License
  * Copyright © 1997-2007 - Kuninhiro Ishiguro\n
- * Copyright © 2008-2011 - Harald Welte, Holger Freyther and contributors\n
+ * Copyright © 2008-2012 - Harald Welte, Holger Freyther and contributors\n
  * All rights reserved. \n\n
  * The source code of libosmovty is licensed under the terms of the GNU
  * General Public License as published by the Free Software Foundation;
@@ -46,6 +46,7 @@
  * <http://sysmocom.de/>
  */
 
+/* SPDX-License-Identifier: GPL-2.0+ */
 
 #include <stdio.h>
 #include <stdarg.h>