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Re: [bug #26960] firmlink opens target with client specified flags


From: Carl Fredrik Hammar
Subject: Re: [bug #26960] firmlink opens target with client specified flags
Date: Fri, 10 Jul 2009 19:13:05 +0200
User-agent: Mutt/1.5.18 (2008-05-17)

On Fri, Jul 10, 2009 at 03:27:32PM +0200, olafBuddenhagen@gmx.net wrote:
> On Sat, Jul 04, 2009 at 04:05:52PM +0000, Carl Fredrik Hammar wrote:
> 
> > firmlink opens its target file with any client specified open flags,
> > except O_CREAT.  This makes it is possible for a client to read or
> > write to the target of a firmlink using the firmlink's authority
> > (io_restrict_auth is not enough).
> 
> This could be considered a feature in some situations :-)

It definetly shouldn't be the default though.  :-)

Regards,
  Fredrik




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