I am always preparing me Sage "University wide" server..

I think I have a big security problem:

Sage create users (looking for this in my ldap server, but this changes 
nothing from a public server where every one can create an account).
One an account is created, I can access and *destroy* all other 
accounts; it is sufficient for this to log in  on the notebook, then  to 
launch the python interpreter; at is point I can do:

system('ls -l  /scratch/sage/.sage/sage_notebook/worksheets/')

and worse:

system('rm -rf  /scratch/sage/.sage/sage_notebook/worksheets/foo')

Mmmpf...

Is there any way to avoid this ?

Yours
t.d.



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fn:Thierry  Dumont
n:Dumont;Thierry 
org;quoted-printable;quoted-printable:Universit=C3=A9 Lyon 1 & CNRS.;Institut Camille Jordan -- Math=C3=A9matiques / Mathematics.
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email;internet:tdum...@math.univ-lyon1.fr
title;quoted-printable:Ing=C3=A9nieur de Recherche / Research Engineer.
tel;work:04 72 44 85 23.
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url:http://math.univ-lyon1.fr/~tdumont
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