Date: Wed, 21 Oct 2020 01:03:25 +0000 From: Rick Macklem <rmacklem@uoguelph.ca> To: Warner Losh <imp@bsdimp.com> Cc: "freebsd-current@FreeBSD.org" <freebsd-current@FreeBSD.org> Subject: Re: copyright notice question Message-ID: <YTBPR01MB396697DBC44971FD638E1067DD1C0@YTBPR01MB3966.CANPRD01.PROD.OUTLOOK.COM> In-Reply-To: <CANCZdfp52eDdH1cb1n_bfuv6AV1X-qaHJD5sAGk=thPOXnXhxw@mail.gmail.com> References: <YTBPR01MB3966BB2E3C721CE890DD614DDD1F0@YTBPR01MB3966.CANPRD01.PROD.OUTLOOK.COM>, <CANCZdfp52eDdH1cb1n_bfuv6AV1X-qaHJD5sAGk=thPOXnXhxw@mail.gmail.com>
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Warner Losh wrote:=0A= >On Mon, Oct 19, 2020, 7:25 PM Rick Macklem <rmacklem@uoguelph.ca<mailto:rm= acklem@uoguelph.ca>> wrote:=0A= >>I'll admit I've hesitated to ask this for a long time, but I guess I have= to;-)=0A= >>I've created two daemons for NFS-over-TLS, using the code in=0A= >>/usr/src/usr.sbin/gssd/gssd.c as a starting point.=0A= >>--> As such, I left the copyright notice from this file on the two files.= =0A= >> (As you can see, it is a 2 clause FreeBSD one, so the terms aren't= =0A= >> an issue.)=0A= >>=0A= >>What I am wondering is if I should be adding my name to it as an=0A= >>additional author or something like that?=0A= >>(I don't care, but it does seem a little weird that the copyright is held= =0A= >> by Isilon Inc, since I have no connection to them.)=0A= >>=0A= >Likely. If you changed a substantial amount, then yes. The rule of thumb i= s >50%=0A= > is no brainer yes. Smaller percentages require more nuanced judgement as = to whether the changes are substantial enough to create a new work. Chances= are=0A= > quite good you fall into one of those categories. Also, if you have repla= ced more =0A= >than ~90% chances are good no original work remains. Again, a judgement ca= ll. =0A= >There are more technical legal guidelines, but that would require a lawyer= .=0A= >=0A= >My hunch is that unless this is something far more trivial than I then I'd= add the=0A= > notice, but retaining the old.=0A= Well, I'd guess it's somewhere in the 50->90% category.=0A= Would just adding a comment below the current copyright notice like:=0A= /*=0A= * Extensively modified from /usr/src/usr.sbin/gssd.c for RPC-over-TLS=0A= * by Rick Macklem.=0A= */=0A= be sufficient for the project, or should I put a second copyright notice=0A= on it with my name on it? (This will seem odd, since it will have the same= =0A= terms as the extant one, but if that is what is appropriate for the project= ..)=0A= =0A= It is my understanding (I'm obviously not a lawyer, clearly indicated by th= e=0A= size of my bank account;-) that a copyright notice can only be changed by= =0A= the holder (or with their express permission), but an additional copyright= =0A= notice can be attached to the work to cover the re-write.=0A= Is this correct? (All amateur lawyers, feel free to respond;-)=0A= =0A= Thanks for your comments, rick=0A= =0A= Warnet=0A= =0A= =0A= Here's what it currently says:=0A= /*-=0A= * SPDX-License-Identifier: BSD-2-Clause-FreeBSD=0A= *=0A= * Copyright (c) 2008 Isilon Inc http://www.isilon.com/=0A= * Authors: Doug Rabson <dfr@rabson.org<mailto:dfr@rabson.org>>=0A= * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org<mailto:alfr= ed@freebsd.org>>=0A= *=0A= * Redistribution and use in source and binary forms, with or without=0A= * modification, are permitted provided that the following conditions=0A= * are met:=0A= * 1. Redistributions of source code must retain the above copyright=0A= * notice, this list of conditions and the following disclaimer.=0A= * 2. Redistributions in binary form must reproduce the above copyright=0A= * notice, this list of conditions and the following disclaimer in the= =0A= * documentation and/or other materials provided with the distribution.= =0A= *=0A= * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND= =0A= * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE=0A= * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPO= SE=0A= * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE= =0A= * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTI= AL=0A= * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS= =0A= * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)=0A= * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRI= CT=0A= * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WA= Y=0A= * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF= =0A= * SUCH DAMAGE.=0A= */=0A= =0A= Thanks for any comments, rick=0A= _______________________________________________=0A= freebsd-current@freebsd.org<mailto:freebsd-current@freebsd.org> mailing lis= t=0A= https://lists.freebsd.org/mailman/listinfo/freebsd-current=0A= To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org<m= ailto:freebsd-current-unsubscribe@freebsd.org>"=0A=
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