Date: Wed, 25 Aug 1999 00:15:24 -0600 From: Wes Peters <wes@softweyr.com> To: Tim Vanderhoek <vanderh@ecf.utoronto.ca> Cc: Mark Murray <mark@grondar.za>, "Daniel C. Sobral" <dcs@newsguy.com>, Greg Lehey <grog@lemis.com>, Poul-Henning Kamp <phk@critter.freebsd.dk>, Matthew Dillon <dillon@apollo.backplane.com>, FreeBSD Hackers <hackers@FreeBSD.ORG>, FreeBSD Committers <cvs-committers@FreeBSD.ORG>, Garrett Wollman <wollman@khavrinen.lcs.mit.edu> Subject: Re: Mandatory locking? Message-ID: <37C389FC.3B3237CF@softweyr.com> References: <199908232012.WAA78393@gratis.grondar.za> <19990823213857.B99022@ppp18344.on.bellglobal.com> <37C2AB77.52678981@softweyr.com> <19990824175154.A8869@ppp18415.on.bellglobal.com>
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Tim Vanderhoek wrote:
>
> On Tue, Aug 24, 1999 at 08:25:59AM -0600, Wes Peters wrote:
> > >
> > > I don't like restricting the breaking of mandatory locks to the
> > > superuser. It could be restricted to specific users (say file owner +
> > > root)...
> >
> > How 'bout "anyone who can kill the process holding the lock?"
>
> + file owner ( + root ).
Which processes can't root kill?
> Otherwise I would be able to lock ~wes/FreeBSDmarkers and you wouldn't
> be able to do anything about it until either notifying me or notifying
> root about the process I accidentally left hanging.
Hey, I'm the one who gave you write access to it. If I didn't want you
write-locking it, I wouldn't give you write access, now wood eye?
> [Not that I'm likely to ever need more than an advisory lock on that
> particular file, but the principle... :-]
>
> Hm. ``chmod go-"MayLock" ~wes/Fre*'' The sticky bit could be used.
Or better yet, implement file ACLs so I can grant read/write to everyone BUT
you. Of course, I can do that now by creating goup "nothoek" right? ;^)
--
"Where am I, and what am I doing in this handbasket?"
Wes Peters Softweyr LLC
http://softweyr.com/ wes@softweyr.com
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