Make sure all files are properly licensed

THANKS.md

@@ -16,4 +16,5 @@ SipRadius LLC for funding this project.
 
 And all the librist Authors (git shortlog -sn), including:
 
-Sergio Ammirata, Kuldeep Singh Dhaka, Daniele Lacamera, Antonio Cardace, Gijs Peskens.
+Sergio Ammirata, Kuldeep Singh Dhaka, Daniele Lacamera, Antonio Cardace, Gijs Peskens, James Hurley,
+Marvin Scholz, Stephan Mueller

compat/gcc/stdatomic.h

 /*
-* Copyright © 2018, VideoLAN and dav1d authors
-* All rights reserved.
-*
-* 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.
-*
-* 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 OWNER 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.
-*/
+ * Copyright © 2018, VideoLAN and dav1d authors
+ * Copyright © 2020, VideoLAN and librist authors
+ * Copyright © 2019-2020 SipRadius LLC
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ */
 
 #ifndef GCCVER_STDATOMIC_H_
 #define GCCVER_STDATOMIC_H_

compat/getopt.h

 #ifndef __GETOPT_H__
-/**
+/*
+ * Copyright © 2020, VideoLAN and librist authors
+ * Copyright © 2019-2020 SipRadius LLC
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ */
+/*
  * DISCLAIMER
  * This file has no copyright assigned and is placed in the Public Domain.
  * This file is part of the mingw-w64 runtime package.

compat/msvc/stdatomic.h

 /*
-* Copyright © 2018, VideoLAN and dav1d authors
-* All rights reserved.
-*
-* 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.
-*
-* 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 OWNER 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.
-*/
+ * Copyright © 2018, VideoLAN and dav1d authors
+ * Copyright © 2020, VideoLAN and librist authors
+ * Copyright © 2019-2020 SipRadius LLC
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ */
 
 #ifndef MSCVER_STDATOMIC_H_
 #define MSCVER_STDATOMIC_H_

contrib/aes.c

@@ -13,6 +13,13 @@
                * http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf .
               The CCM mode of operation is specified by NIST SP80-38 C, available at:
                * http://csrc.nist.gov/publications/nistpubs/800-38C/SP800-38C_updated-July20_2007.pdf
+*
+* File copied from the project: https://github.com/B-Con/crypto-algorithms
+* License (quoting from author's github project):
+* This code is released into the public domain free of any restrictions. The author requests 
+* acknowledgement if the code is used, but does not require it. This code is provided free of any 
+* liability and without any quality claims by the author.
+*
 *********************************************************************/
 #ifdef _MSC_VER
 #pragma warning(disable: 4244)

contrib/aes.h

@@ -4,6 +4,13 @@
 * Copyright:
 * Disclaimer: This code is presented "as is" without any guarantees.
 * Details:    Defines the API for the corresponding AES implementation.
+*
+* File copied from the project: https://github.com/B-Con/crypto-algorithms
+* License (quoting from author's github project):
+* This code is released into the public domain free of any restrictions. The author requests 
+* acknowledgement if the code is used, but does not require it. This code is provided free of any 
+* liability and without any quality claims by the author.
+*
 *********************************************************************/
 
 #ifndef AES_H

contrib/endian-shim.h

-/* librist. Copyright 2019 SipRadius LLC. All right reserved.
+/* librist. Copyright © 2019 SipRadius LLC. All right reserved.
  * Author: Kuldeep Singh Dhaka <kuldeep@madresistor.com>
  * Author: Sergio Ammirata, Ph.D. <sergio@ammirata.net>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  */
 
 #ifndef __ENDIAN_SHIM_H

contrib/fastpbkdf2.c

-/* librist. Copyright 2019 SipRadius LLC. All right reserved.
- * Author: Kuldeep Singh Dhaka <kuldeep@madresistor.com>
- * Author: Sergio Ammirata, Ph.D. <sergio@ammirata.net>
- *
- * Changes:
- *  - Removed SHA1 and SHA512 as the functions are not available
- *  - Moved to self hosted SHA254 instead of OpenSSL
- */
-
 /*
  * fast-pbkdf2 - Optimal PBKDF2-HMAC calculation
  * Written in 2015 by Joseph Birr-Pixton <jpixton@gmail.com>
@@ -20,6 +11,14 @@
  * along with this software. If not, see
  * <http://creativecommons.org/publicdomain/zero/1.0/>.
  */
+/* librist. Copyright © 2019 SipRadius LLC. All right reserved.
+ * Author: Kuldeep Singh Dhaka <kuldeep@madresistor.com>
+ * Author: Sergio Ammirata, Ph.D. <sergio@ammirata.net>
+ *
+ * Changes:
+ *  - Removed SHA1 and SHA512 as the functions are not available
+ *  - Moved to self hosted SHA256 instead of OpenSSL
+ */
 
 #include "fastpbkdf2.h"
 

contrib/fastpbkdf2.h

-/* librist. Copyright 2019 SipRadius LLC. All right reserved.
- * Author: Kuldeep Singh Dhaka <kuldeep@madresistor.com>
- * Author: Sergio Ammirata, Ph.D. <sergio@ammirata.net>
- *
- * Note: Removed SHA1 and SHA512 as the functions are not available
- */
-
 /*
  * fastpbkdf2 - Faster PBKDF2-HMAC calculation
  * Written in 2015 by Joseph Birr-Pixton <jpixton@gmail.com>
@@ -18,6 +11,12 @@
  * along with this software. If not, see
  * <http://creativecommons.org/publicdomain/zero/1.0/>.
  */
+/* librist. Copyright © 2019 SipRadius LLC. All right reserved.
+ * Author: Kuldeep Singh Dhaka <kuldeep@madresistor.com>
+ * Author: Sergio Ammirata, Ph.D. <sergio@ammirata.net>
+ *
+ * Note: Removed SHA1 and SHA512 as the functions are not available
+ */
 
 #ifndef FASTPBKDF2_H
 #define FASTPBKDF2_H

contrib/getopt-shim.c

@@ -20,7 +20,7 @@
  * Agency (DARPA) and Air Force Research Laboratory, Air Force
  * Materiel Command, USAF, under agreement number F39502-99-1-0512.
  */
-/*-
+/*
  * Copyright (c) 2000 The NetBSD Foundation, Inc.
  * All rights reserved.
  *

contrib/getopt-shim.h

-#if defined(_WIN32)
-
-#ifndef __GETOPT_H__
 /**
  * DISCLAIMER
  * This file has no copyright assigned and is placed in the Public Domain.
@@ -12,6 +9,9 @@
  * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  */
 
+#if defined(_WIN32)
+
+#ifndef __GETOPT_H__
 #define __GETOPT_H__
 
 /* All the headers include this file. */

contrib/linux-crypto.c

-/* Copyright (C) 2014 - 2019, Stephan Mueller <smueller@chronox.de>
- * Copyright 2020 in2ip B.V.
- * Linux Crypto API, based on libkcapi
+/* Copyright © 2014-2019, Stephan Mueller <smueller@chronox.de>
+ * Copyright © 2020 in2ip B.V.
+ * Linux Crypto API, based on libkcapi, relicensed to BSD-2 with author's permission
  * Author: Stephan Mueller <smueller@chronox.de>
  * Modified for librist by: Gijs Peskens <gijs@in2ip.nl>
  * Modified for librist by: Sergio Ammirata <sergio@ammirata.net>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  */
 
 #ifdef __linux

contrib/linux-crypto.h

-/* librist. Copyright 2020 in2ip B.V. All right reserved.
+/* librist. Copyright © 2020 in2ip B.V. All right reserved.
  * Author: Gijs Peskens <gijs@in2ip.nl>
+ * Author: Sergio Ammirata <sergio@ammirata.net>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  */
 
 #ifndef __LINUX_CRYPTO_H

contrib/pthread-shim.c

-/* librist. Copyright 2019 SipRadius LLC. All right reserved.
+/* librist. Copyright © 2019 SipRadius LLC. All right reserved.
  * Author: Kuldeep Singh Dhaka <kuldeep@madresistor.com>
  * Author: Sergio Ammirata, Ph.D. <sergio@ammirata.net>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  */
 
 #include "time-shim.h"

contrib/pthread-shim.h

-/* librist. Copyright 2019 SipRadius LLC. All right reserved.
+/* librist. Copyright © 2019 SipRadius LLC. All right reserved.
  * Author: Kuldeep Singh Dhaka <kuldeep@madresistor.com>
  * Author: Sergio Ammirata, Ph.D. <sergio@ammirata.net>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  */
 
 #ifndef __PTHREAD_SHIM_H

contrib/sha256.c

@@ -10,6 +10,13 @@
               Algorithm specification can be found here:
                * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2withchangenotice.pdf
               This implementation uses little endian byte order.
+*
+* File copied from the project: https://github.com/B-Con/crypto-algorithms
+* License (quoting from author's github project):
+* This code is released into the public domain free of any restrictions. The author requests 
+* acknowledgement if the code is used, but does not require it. This code is provided free of any 
+* liability and without any quality claims by the author.
+*
 *********************************************************************/
 #ifdef _MSC_VER
 #pragma warning(disable: 4244)

contrib/sha256.h

@@ -4,6 +4,13 @@
 * Copyright:
 * Disclaimer: This code is presented "as is" without any guarantees.
 * Details:    Defines the API for the corresponding SHA1 implementation.
+*
+* File copied from the project: https://github.com/B-Con/crypto-algorithms
+* License (quoting from author's github project):
+* This code is released into the public domain free of any restrictions. The author requests 
+* acknowledgement if the code is used, but does not require it. This code is provided free of any 
+* liability and without any quality claims by the author.
+*
 *********************************************************************/
 
 #ifndef SHA256_H

contrib/socket-shim.h

-/* librist. Copyright 2019 SipRadius LLC. All right reserved.
+/* librist. Copyright © 2019 SipRadius LLC. All right reserved.
  * Author: Kuldeep Singh Dhaka <kuldeep@madresistor.com>
  * Author: Sergio Ammirata, Ph.D. <sergio@ammirata.net>
  */

contrib/srp.h

-#ifdef __cplusplus
-extern "C" {
-#endif
-#include <stddef.h>
 /*
  * Secure Remote Password 6a implementation based on mbedtls.
  *
@@ -66,6 +62,11 @@ extern "C" {
  *    hash & prime number pairings.
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <stddef.h>
+
 #ifndef SRP_H
 #define SRP_H
 

contrib/stdio-shim.c

-/* librist. Copyright 2019 SipRadius LLC. All right reserved.
+/* librist. Copyright © 2019 SipRadius LLC. All right reserved.
  * Author: Sergio Ammirata, Ph.D. <sergio@ammirata.net>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  */
 
 #include "stdio-shim.h"