[cs615asa] CtF ended

[Jan Schaumann]

Jin Sun <jsun6 at stevens.edu> wrote:
> One thing I still want to know is that why leaky can't delete leaky.sh?

Same as for the 'leaky' program:

> > Team Blender also removed the 'leaky' program itself to prevent anybody
> > else from repeating the steps, but since we wanted to keep the game a
> > bit interesting, I re-created the program and then set the files to be
> > immutable ('chflags schg file'), so they couldn't be removed.


ls -lo

shows the flags:

-rwsr-xr-x  1 root   users  schg 5139 May  4 15:28 leaky
-rwx------  1 leaky  users  schg  124 May  3 14:10 leaky.sh

-Jan