slirp: clarify license of slirp as BSD-3

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Merge remote-tracking branch 'remotes/elmarco/tags/slirp-pull-request' into staging

slirp: clarify license of slirp as BSD-3

# gpg: Signature made Fri 22 Mar 2019 19:16:50 GMT
# gpg:                using RSA key DAE8E10975969CE5
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* remotes/elmarco/tags/slirp-pull-request:
  slirp: is not maintained by Kelly Price for a long time
  slirp: remove reference to COPYRIGHT file
  slirp: clarify license of slirp files using SPDX: implicit via unstated
  slirp: clarify license of slirp files using SPDX: implicit via COPYRIGHT
  slirp: clarify license of slirp files using SPDX: explicit MIT
  slirp: clarify license of slirp files using SPDX: explicit BSD
  slirp: relicense GPL files to BSD-3
  slirp: update COPYRIGHT to use full 3-Clause BSD License

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

slirp/COPYRIGHT

@@ -1,8 +1,6 @@
 Slirp was written by Danny Gasparovski.
 Copyright (c), 1995,1996 All Rights Reserved.
 
-Slirp is maintained by Kelly Price <tygris+slirp@erols.com>
-
 Slirp is free software; "free" as in you don't have to pay for it, and you
 are free to do whatever you want with it.  I do not accept any donations,
 monetary or otherwise, for Slirp.  Instead, I would ask you to pass this
@@ -25,6 +23,9 @@ The copyright terms and conditions:
  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the copyright holder nor the names of its
+    contributors may be used to endorse or promote products derived
+    from this software without specific prior written permission.
 
  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

slirp/src/arp_table.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: MIT */
 /*
  * ARP table
  *

slirp/src/bootp.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: MIT */
 /*
  * QEMU BOOTP/DHCP server
  *

slirp/src/bootp.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /* bootp/dhcp defines */
 
 #ifndef SLIRP_BOOTP_H

slirp/src/cksum.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1988, 1992, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/debug.h

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #ifndef DEBUG_H_

slirp/src/dhcpv6.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * SLIRP stateless DHCPv6
  *
@@ -6,18 +7,35 @@
  *
  * Copyright 2016 Thomas Huth, Red Hat Inc.
  *
- * 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 (at your option) any later version.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
  *
- * 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.
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "slirp.h"

slirp/src/dhcpv6.h

@@ -1,10 +1,38 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Definitions and prototypes for SLIRP stateless DHCPv6
  *
  * Copyright 2016 Thomas Huth, Red Hat Inc.
  *
- * This work is licensed under the terms of the GNU GPL, version 2
- * or later. See the COPYING file in the top-level directory.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #ifndef SLIRP_DHCPV6_H
 #define SLIRP_DHCPV6_H

slirp/src/dnssearch.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: MIT */
 /*
  * Domain search option for DHCP (RFC 3397)
  *

slirp/src/if.c

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #include "slirp.h"

slirp/src/if.h

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #ifndef IF_H

slirp/src/ip.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/ip6.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 2013
  * Guillaume Subiron, Yann Bordenave, Serigne Modou Wagne.

slirp/src/ip6_icmp.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 2013
  * Guillaume Subiron, Yann Bordenave, Serigne Modou Wagne.

slirp/src/ip6_icmp.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 2013
  * Guillaume Subiron, Yann Bordenave, Serigne Modou Wagne.

slirp/src/ip6_input.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 2013
  * Guillaume Subiron, Yann Bordenave, Serigne Modou Wagne.

slirp/src/ip6_output.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 2013
  * Guillaume Subiron, Yann Bordenave, Serigne Modou Wagne.

slirp/src/ip_icmp.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/ip_icmp.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/ip_input.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -33,9 +34,6 @@
 /*
  * Changes and additions relating to SLiRP are
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #include "slirp.h"

slirp/src/ip_output.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -33,9 +34,6 @@
 /*
  * Changes and additions relating to SLiRP are
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #include "slirp.h"

slirp/src/libslirp.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 #ifndef LIBSLIRP_H
 #define LIBSLIRP_H
 

slirp/src/main.h

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #ifndef SLIRP_MAIN_H

slirp/src/mbuf.c

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 /*

slirp/src/mbuf.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/misc.c

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #include "slirp.h"

slirp/src/misc.h

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #ifndef MISC_H

slirp/src/ncsi-pkt.h

@@ -1,10 +1,36 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright Gavin Shan, IBM Corporation 2016.
  *
- * 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
- * (at your option) any later version.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef NCSI_PKT_H

slirp/src/ncsi.c

@@ -1,10 +1,38 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * NC-SI (Network Controller Sideband Interface) "echo" model
  *
  * Copyright (C) 2016-2018 IBM Corp.
  *
- * This code is licensed under the GPL version 2 or later. See the
- * COPYING file in the top-level directory.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "slirp.h"
 

slirp/src/ndp_table.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 2013
  * Guillaume Subiron, Yann Bordenave, Serigne Modou Wagne.

slirp/src/qtailq.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*      $NetBSD: queue.h,v 1.52 2009/04/20 09:56:08 mschuett Exp $ */
 
 /*

slirp/src/sbuf.c

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #include "slirp.h"

slirp/src/sbuf.h

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #ifndef SBUF_H

slirp/src/slirp.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: MIT */
 /*
  * libslirp glue
  *

slirp/src/slirp.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 #ifndef SLIRP_H
 #define SLIRP_H
 

slirp/src/socket.c

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #include "slirp.h"

slirp/src/socket.h

@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #ifndef SLIRP_SOCKET_H

slirp/src/state.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: MIT */
 /*
  * libslirp
  *

slirp/src/stream.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: MIT */
 /*
  * libslirp io streams
  *

slirp/src/stream.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 #ifndef STREAM_H_
 #define STREAM_H_
 

slirp/src/tcp.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/tcp_input.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993, 1994
  *	The Regents of the University of California.  All rights reserved.
@@ -33,9 +34,6 @@
 /*
  * Changes and additions relating to SLiRP
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #include "slirp.h"

slirp/src/tcp_output.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -33,9 +34,6 @@
 /*
  * Changes and additions relating to SLiRP
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #include "slirp.h"

slirp/src/tcp_subr.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -33,9 +34,6 @@
 /*
  * Changes and additions relating to SLiRP
  * Copyright (c) 1995 Danny Gasparovski.
- *
- * Please read the file COPYRIGHT for the
- * terms and conditions of the copyright.
  */
 
 #include "slirp.h"

slirp/src/tcp_timer.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/tcp_timer.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/tcp_var.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993, 1994
  *	The Regents of the University of California.  All rights reserved.

slirp/src/tcpip.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/tftp.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: MIT */
 /*
  * tftp.c - a simple, read-only tftp server for qemu
  *

slirp/src/tftp.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /* tftp defines */
 
 #ifndef SLIRP_TFTP_H

slirp/src/udp.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1988, 1990, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/udp.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.

slirp/src/udp6.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * Copyright (c) 2013
  * Guillaume Subiron

slirp/src/util.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: MIT */
 /*
  * util.c (mostly based on QEMU os-win32.c)
  *

slirp/src/util.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: MIT */
 /*
  * Copyright (c) 2003-2008 Fabrice Bellard
  * Copyright (c) 2010-2019 Red Hat, Inc.

slirp/src/vmstate.c

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * VMState interpreter
  *
@@ -6,8 +7,35 @@
  * Authors:
  *  Juan Quintela <quintela@redhat.com>
  *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include <assert.h>
 #include <errno.h>

slirp/src/vmstate.h

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
 /*
  * QEMU migration/snapshot declarations
  *
@@ -5,23 +6,35 @@
  *
  * Original author: Juan Quintela <quintela@redhat.com>
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
  *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #ifndef VMSTATE_H_
 #define VMSTATE_H_