Re: selinux category relabel (puppet)

[Stephen Smalley <sds@tycho.nsa.gov>]

On 03/13/2015 09:52 AM, Higgs, Stephen wrote:
> Hello all,
> 
>  
> 
> If there is a more appropriate forum for this question please let me know:
> 
>  
> 
> I have a system that uses confined users by default and some files are
> managed by a puppet server.  When I run (via run_init) the puppet
> startup script, I get the following avc log:
> 
>  
> 
> avc: denied { relabelto } for pid=30707 comm="puppet" name="crl.pem"
> dev=dm-1 ino=527257 scontext=system_u:system_r:puppet_t:s0
> tcontext=system_u:object_r:puppet_var_lib_t:s0:c0.c1023 tclass=file
> 
> I added "typeattribute puppet_t can_change_object_identity" and
> appropriate "allow" statements to the puppet_t type after reading the
> constraints in the targeted policy. However, it was the category
> “s0:c0.c1023” that was also preventing puppet from relabeling the
> crl.pem file.
> 
> I was able to fix this by manually relabeling the file to "s0" instead
> of "s0:c0.c1023". My question is, how *should* I handle this so puppet
> can handle the relabel of the category?

It requires an appropriate attribute for the mcs or mls constraint that
is blocking access.  Which attribute depends on your policy; MCS in
particular has changed a lot over time in Fedora and RHEL.  What distro
& version?