Re: per role template confusion

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Christopher J. PeBenito wrote:
> On Thu, 2008-10-09 at 18:17 -0500, Joe Nall wrote:
>> On Oct 9, 2008, at 3:24 PM, Joshua Brindle wrote:
>>
>>> Joe Nall wrote:
>>>> Can someone explain the per role template implementation? I am  
>>>> confused.
>>>>
>>>> During policy compilation, a .mod.role file is created that just  
>>>> references the roles in /usr/share/selinux/devel/include/rolemap  
>>>> regardless of the roles defined via semanage. Should semanage add  
>>>> roles to rolemap? Is there additional magic in semodule?
>>>>
>>>> joe
>>> Roles aren't created by semanage, only user->role mappings. The  
>>> per_role_template creates derived types for each role (eg.,  
>>> staff_mozilla_t, sysadm_mozilla_t). These roles are defined in the  
>>> policy only.
>> Ok. I thought the role statement just did type mapping and did not  
>> realize there was an implicit role declaration.
>>
>> I would still like an explanation of how this works and if/how new  
>> roles are handled with respect to per role templates.
> 
> For each entry in the rolemap file, the infrastructure calls the
> [modulename]_per_role_template() for each module, if it exists.
> 
This does NOT happen in Fedora.  I have patched this out and force
explicit calls to per_role_templates.  Calling them globably forces all
confined users to transition to per_role_templates even when you don't
want them to.

I believe this is a mistake.
> If (u|r)bacsep succeeds, this will be dropped in favor of explicit
> calls.
> 

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