Re: File context not applied due to regex ordering

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On 03/21/13 07:32, Laurent Bigonville wrote:
> Hello,
> 
> I remember that I already talk about this on IRC a while back, but I
> don't remember if there was any outcome.
> 
> The refpolicy is containing the following filecontext:
> 
> /usr/(s)?bin/gdm(3)?    --      gen_context(system_u:object_r:xdm_exec_t,s0)
> 
> But for some reasons /usr/sbin/gdm3 is labeled on disk as bin_t instead
> of xdm_exec_t. matchpathcon is giving me this:
> 
> /usr/bin/gdm	system_u:object_r:xdm_exec_t:SystemLow
> /usr/bin/gdm3	system_u:object_r:xdm_exec_t:SystemLow
> /usr/sbin/gdm	system_u:object_r:bin_t:SystemLow
> /usr/sbin/gdm3	system_u:object_r:bin_t:SystemLow
> 
> Changing the regex to /usr/s?bin/gdm(3)? fix the issue.
> 
> Shouldn't this be fixed in the userspace libraries?

I'm not clear; are you saying this is a file context sorting issue or a matchpathcon error?  Matchpathcon should be able to handle a regex with ()? so I'd guess its a sorting issue.  Since sorting file contexts is tricky, it would probably be simpler to fix the policy.

-- 
Chris PeBenito
Tresys Technology, LLC
www.tresys.com | oss.tresys.com

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