Copyright for shellinabox source package in Jammy

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: shellinabox
Source: 

Files: *
Copyright: Copyright 2008-2012, Markus Gutschke  All rights reserved.
                     2012, Marc Singer
                     2015, Luka Krajger, Philip Hughes, Daniel Gröber,
                           Ezra Buehler, Anders Kaseorg,
                           Jonathan Rennison, Guillaume Martres
Upstream-Author: markus@shellinabox.com
License: GPL-2+
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License version 2 as
  published by the Free Software Foundation.
  .
  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 this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  .
  See /usr/share/common-licenses/GPL-2 on your Debian system.
  .
  In addition to these license terms, the author grants the following
  additional rights:
  .
  If you modify this program, or any covered work, by linking or
  combining it with the OpenSSL project's OpenSSL library (or a
  modified version of that library), containing parts covered by the
  terms of the OpenSSL or SSLeay licenses, the author
  grants you additional permission to convey the resulting work.
  Corresponding Source for a non-source form of such a combination
  shall include the source code for the parts of OpenSSL used as well
  as that of the covered work.
  .
  You may at your option choose to remove this additional permission from
  the work, or from any part of it.
  .
  It is possible to build this program in a way that it loads OpenSSL
  libraries at run-time. If doing so, the following notices are required
  by the OpenSSL and SSLeay licenses:
  .
  This product includes software developed by the OpenSSL Project
  for use in the OpenSSL Toolkit. (http://www.openssl.org/)
  .
  This product includes cryptographic software written by Eric Young
  (eay@cryptsoft.com)