/proc/speakup

[Kerry Hoath]

Setuid shellscripts are disabled by default because of the problems they
introduce. You _can_ enable them somehow but it is highly discouraged.
On Thu, Feb 15, 2001 at 07:15:48AM -0700, Holmes, Steve wrote:
> Well, here's an idea; How about making the /proc/speak system root writeable
> only and provide a user script that could be used by the user and have it
> setuid to update the system.  As I think about this, I suppose that really
> wouldn't be any different than opening up the /proc files.
> 
> -----Original Message-----
> From: Geoff Shang [mailto:gshang at uq.net.au]
> Sent: Thursday, February 15, 2001 6:01 AM
> To: speakup at braille.uwo.ca
> Subject: Re: /proc/speakup 
> 
> 
> On Thu, 15 Feb 2001, Steve Holmes wrote:
> 
> > I thought I heard a while back that only root could update these files.
> > Is that so?
> 
> That is not so.  The files in /proc/speakup apart from the exceptions
> discussed earlier today can be updated by any user on the system.  There
> are some files in /proc/speakup/<synth> (where <synth> is the currently
> used synth) which contain data that, if modified, might cause serious
> damage to the system.  These files therefore can only be modified by root.
> 
> Since the proc file system is only a vertual file system, commands like
> chmod and chown do not actually work, even though they return without
> errors.  The permissions have to be set as part of the speakup code.  Jim
> and I discussed alternative access methods for these files, but the choices
> seem to be access for all or access for no-one except root, without making
> it a configurable option in either the kernel command line or perhaps the
> kernel config.  Personally, I'd be quite happy to see all this be root
> access only, but I can understand why people might want to be able to
> change synth settings in user-space.
> 
> Geoff.
> 
> 
> 
> _______________________________________________
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> Speakup at braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup
> 
> _______________________________________________
> Speakup mailing list
> Speakup at braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup
> 

-- 
--
Kerry Hoath: kerry at gotss.eu.org
Alternates: kerry at emusys.com.au kerry at gotss.spice.net.au or khoath at lis.net.au
ICQ UIN: 8226547