On Tuesday 03 February 2004 02:04, Greg KH wrote:
> On Thu, Jan 22, 2004 at 06:44:53PM +0100, Svetoslav Slavtchev wrote:
> But the "owner" is the "system", right?  They are really the same
> person.  I think it looks like a neat hack to be able to add symlinks,
> but I can't see a real use for it in the world.
Maybe user actions should be limited to ~/Devices, or something similar...

> Take a look at /etc/fstab, or any of the other system wide config files
> in /etc.  They don't provide a place that a user can add more items in
> another file, do they?  All that is needed is to modify the original
> file to add your new items.
But this is not a virtue of the actual way-of-doing-things!!! This is one of 
the most unfriendly issues that you have to face when running a Linux distro 
or a Unix system.

These global files are never updated enought to support the "latest cheap 
camera" I bougth. So I need to add items to these files... but how?
1) su -c "vim /etc/somefile" -- you need to know root password
2) sudo vim /etc/somefile -- This opens security holes like shell excaping
3) vim ~/.my_devices -- Just parse it in a safe way and use a dir under $HOME, 
no security probs at all

And solutions 1 and 2 permits to a simple user to screw up the whole system in 
a second :(
At my uni labs we run only linux boxes but we are not allowed to attach 
usb-keys, card-readers and other peripherals for this very problem (try to 
update 100+ boxes with different a configuration for every student...). It 
would be nice to be able to do so in the future.

--
Gioele Barabucci


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