Re: cloud-init blocked from installing rpm with scripts -- f19 issue still with us

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On 12/02/2013 01:51 PM, Dominick Grift wrote:
> On Mon, 2013-12-02 at 10:11 -0500, Daniel J Walsh wrote:
>> On 11/27/2013 05:05 PM, Matthew Miller wrote:
>>> Please see https://bugzilla.redhat.com/show_bug.cgi?id=990910
>>> 
>>> This is a pretty serious problem -- people need to be able to install 
>>> packages via cloud-init.
>>> 
>>> 
>> I just built selinux-policy-3.12.1-106.fc20 which should fix this issue
>> in F20, could you try it out and make sure it works for you? --
> 
> i do not see how:
> 
> + rpm_transition_script(cloud_init_t)
> 
> fixes this issue:
> 
> avc:  denied  { transition } for  pid=583 comm="yum" path="/usr/bin/bash"
> dev="xvda1" ino=4597 scontext=system_u:system_r:cloud_init_t:s0 
> tcontext=system_u:system_r:rpm_script_t:s0 tclass=process
> 
> yum is labeled rpm_exec_t:
> 
> -rwxr-xr-x. root root system_u:object_r:rpm_exec_t:s0  /usr/bin/yum
> 
> there is a rule that makes processes with the cloud_init_t type transition
> from cloud_init_t to rpm_t on rpm_exec_t:
> 
> rpm_domtrans(cloud_init_t)
> 
> so if that rule was applied at the point of the test than this event 
> shouldnt have occurred ... unless i am missing something
> 
> 
> -- selinux mailing list selinux@xxxxxxxxxxxxxxxxxxxxxxx 
> https://admin.fedoraproject.org/mailman/listinfo/selinux
> 
We already added a rpm_domtrans(cloud_init_t) rule.  My understanding was they
were still getting the transition rule, which was causing problems.  I was
thinking that the tool had sucked in rpm/yum rules rather then executing a
separate binary.
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