Ted Toth <txtoth@xxxxxxxxx> writes:
On Fri, Sep 21, 2018 at 7:21 AM Ted Toth <txtoth@xxxxxxxxx>
wrote:
On Fri, Sep 21, 2018 at 3:58 AM Petr Lautrbach
<plautrba@xxxxxxxxxx>
wrote:
Ted Toth <txtoth@xxxxxxxxx> writes:
> I have something very much like the following in an fc file:
> /usr/lib64/python2\.(6|7)/site-packages/xyz/paste --
> gen_context(system_u:object_r:jxyz_exec_t,s0)
>
> and I use the same file on el6 and el7. On el6 the file is
> labeled as
> specified in the python2.6 directory. However on el7 where
> the
> file gets
> installed into python2.7 the file is not labeled correctly.
> On
> el7
> `semanage fcontext -l | grep xyz` shows the file context
> expected but
> `matchpathcon /usr/lib64/python2.7/site-packages/xyz/paste`
> does
> not return
> the expected context and `restorecon -RFv
> /usr/lib64/python2.7/site-packages/xyz` has no affect. The
> type
> xyz_exec_t
> exists on both systems. It's probably something stupid I'm
> doing
> but I'm
> just not seeing it. Has anyone else experienced similar
> issues?
>
There's equivalency rule /usr/lib64 -> /usr/lib on el7:
# semanage fcontext -a -t tmp_t
'/usr/lib64/python2\.(6|7)/site-packages/xyz/paste'
ValueError: File spec
/usr/lib64/python2\.(6|7)/site-packages/xyz/paste conflicts
with
equivalency rule '/usr/lib64 /usr/lib'; Try adding
'/usr/lib/python2\.(6|7)/site-packages/xyz/paste' instead
# semanage fcontext -a -t tmp_t
'/usr/lib/python2\.(6|7)/site-packages/xyz/paste'
# matchpathcon /usr/lib64/python2.7/site-packages/xyz/paste
/usr/lib64/python2.7/site-packages/xyz/paste
system_u:object_r:tmp_t:s0
Petr
Thanks, where is this equivalency rule defined/documented?
You can see them at the end of 'semanage fcontext -l' output:
SELinux Distribution fcontext Equivalence
/usr/local/lib64 = /usr/lib
/etc/systemd/system = /usr/lib/systemd/system
/run/systemd/system = /usr/lib/systemd/system
/run/systemd/generator = /usr/lib/systemd/system
/var/home = /home
/sbin = /usr/sbin
/var/roothome = /root
/usr/lib64 = /usr/lib
/var/lib/xguest/home = /home
/var/named/chroot/lib64 = /usr/lib
/var/named/chroot/usr/lib64 = /usr/lib
/run = /var/run
/usr/local/lib32 = /usr/lib
/lib64 = /usr/lib
/lib = /usr/lib
/run/lock = /var/lock
/usr/lib(64)?/python... doesn't work either how can I make it
backward
compatible?
'/usr/lib(64)?/python2\.(6|7)/site-packages/xyz/paste' works for
me on
both el6 and el7.
Petr
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