This is libnss-gw-name, written and maintained by Joachim Breitner <nomeata@debian.org>.

Copyright © 2010  Joachim Breitner

  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 with
the Debian GNU/Linux distribution in file /usr/share/common-licenses/GPL-2;
if not, write to the Free Software Foundation, Inc., 51 Franklin Street,
Fifth Floor, Boston, MA 02110-1301 USA

The Makefile and debian/rules file is derived from the respective files in
libnss-extrausers, © 2001,2002,2009  Bernhard R. Link, under the same license.

The debian/postinst, debian/postrm files were adapted from the files found in
the nss-mdsn package, created by Jeff Waugh.

Some code was derived from the nss-mdns package, © 2004, Lennart Poettering.
