UCARP is covered by the following license : /* * Copyright (c) 2004-2015 Frank Denis with the help of all * contributors. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ ------------------------------------------ Some code has been imported from the Pure-FTPd project. ------------------------------------------ The bsd-getopt_long.c and bsd-getopt_long.h source code is based upon the OpenBSD and NetBSD projects and it is covered by the BSD license. The carp.c and ip_carp.h files are derived from OpenBSD source code. The original license is enclosed at the beginning of the related files.