On Thu, 2010-03-04 at 15:38 -0500, Stephen Smalley wrote:
> On Thu, 2010-03-04 at 15:24 -0500, Stephen Smalley wrote:
> > On Thu, 2010-03-04 at 13:40 -0500, Daniel J Walsh wrote:
> > > If I have a program that calls setfscreatecon on a directory that has a
> > > transition, the transition rule wins. I think the setfscreatecon should
> > > win.
> > >
> > > Sandbox creates a .sandboxRANDOM directory in the current working
> > > directory with setfscreatecon, If I do this in ~dwalsh It does not
> > > work. If I do it in ~dwalsh/.sandbox or /tmp or any directory other
> > > then my homedir toplevel it works.
> > >
> > > Here is a python script that shows the behaviour
> > >
> > > #!/usr/bin/python
> > > from tempfile import mkdtemp
> > > import selinux, os
> > > selinux.setfscreatecon("staff_u:object_r:sandbox_x_file_t:s0:c1")
> > > homedir = mkdtemp(dir="~/.sandbox", prefix=".sandbox")
> > > print selinux.getfscreatecon()
> > > print homedir
> >
> > kernel version? setfscreatecon() should work unless the filesystem does
> > not support security labeling, and should override any default
> > transitions in the policy.
>
> Confirmed on ext4; seems to work correctly on ext3.
>
> Your python script didn't work for me, but this much simpler test does:
> cd $HOME
> mkdir -Z unconfined_u:object_r:etc_t:s0 bar
> ls -Zd bar
I'm out on Friday, but I know someone else inside Red Hat was able to
reproduce issues. I'm going to run it down on monday, but don't be
surprised if you see something from dave airlie about this issue....
thanks
-Eric
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