Date: Wed, 25 Sep 1996 09:34:49 +0200 From: kuku@gilberto.physik.rwth-aachen.de (Christoph P. Kukulies) To: jhs@freebsd.org (Julian H. Stacey) Cc: current@freebsd.org, serious@freebsd.org, commercial@freebsd.org Subject: Re: Licensing Software Message-ID: <199609250734.JAA09473@gilberto.physik.rwth-aachen.de> In-Reply-To: <199609250013.CAA02049@vector.jhs.no_domain>; from Julian H. Stacey on Sep 25, 1996 2:13:01 %2B0200 References: <199609250013.CAA02049@vector.jhs.no_domain>
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Julian H. Stacey writes: > I plan to soon sell a 3rd party commercial binary FreeBSD product. > > I either need to : > - Develop alone, hooks for such things as > - constructing machine IDs (from poking around the system) > - user count (for single workstation or multi user server pricing) > - link crippled-write, time limited, demo versions > - make must be minimal hastle to authors, requiring no change to > - sources, just to Link flags > - non availability to me (as distributor) of source, > but availability of .o files > - Or I can maybe develop a mechanism with other interested commercial sellers, > so that FreeBSD would have some generic mechanism, & maybe unique > product & system keys. > > - Or I can even buy in such a solution if one's available ? FlexLM is one answer. > > I've read `Sun Expert' in the past, with horror stories of Sun lock managers > across nets, & I am not interested in any net strategies, > this will be local to the box. licensing is the most common cuse of customer frustration :-) > > I'm not into academic elegant lots-of-effort solutions, > I'm after a cheap dirty quick solution, I don't want to spend much For the purpose you need it ;-) I'd recommend binding your program to the ethernet address. Your customer wouldn't change their ethernet interface in years. I did that for 386bsd a while ago. I wrote a function 'getether.c' upon which I built a licensing key via crypt(). If you rewrite that function to FreeBSD-current (kvm_open interface has changed a bit) I'll give it to you :-). Ask me in private mail. > time on this, my budgeted work time on this is limited, > (& I'd prefer to spend my free on public source, not licence stuff) > > I have to get something up quickly, & whatever I cobble together, > will be simpler to do alone (& keep secret :-), > but if other vendors are thinking along similar lines, & interested in > some kind of generic mechanism, then I'll try to comply. > > If anyone has something to give or even sell me, or wants to work with me, > please let me know. > > Thanks. > > Julian > --- > Julian H. Stacey jhs@freebsd.org http://www.freebsd.org/~jhs/ -- --Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de
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