From: dwalsh@redhat.com (Daniel J Walsh)
To: refpolicy@oss.tresys.com
Subject: [refpolicy] [PATCH]: force a label on the fc_sort executable
Date: Tue, 07 Aug 2012 14:14:09 -0400 [thread overview]
Message-ID: <50215AF1.9010303@redhat.com> (raw)
In-Reply-To: <5021585F.2030401@trentalancia.com>
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On 08/07/2012 02:03 PM, Guido Trentalancia wrote:
> On 07/08/2012 19:46, Christopher J. PeBenito wrote:
>> On 08/04/12 21:06, Guido Trentalancia wrote:
>>> Force a bin_t label on the fc_sort executable after creating it, to
>>> avoid possible execution denials under certain conditions.
>>>
>>> Signed-off-by: Guido Trentalancia <guido@trentalancia.com> --- Makefile
>>> | 1 + 1 file changed, 1 insertion(+)
>>>
>>> --- refpolicy-04062012/Makefile 2012-05-29 21:13:09.413703575 +0200 +++
>>> refpolicy-04062012-chcon-fc_sort/Makefile 2012-08-04 21:35:57.396092798
>>> +0200 @@ -400,6 +400,7 @@ $(mod_conf) $(booleans): $(polxml) #
>>> $(fcsort) : $(support)/fc_sort.c $(verbose) $(CC) $(CFLAGS) $^ -o $@ +
>>> chcon system_u:object_r:bin_t:s0 $(tmpdir)/fc_sort
>>>
>>> ######################################## #
>>
>> I'm not sure this actually is a good choice because this may be done on a
>> different system than where the policy will be deployed. It may have a
>> different policy running or even SELinux disabled.
>
> It doesn't matter whether the policy is deployed elsewhere (this is not
> being discussed as the problem might be executing fc_sort for building the
> policy).
>
> It's easy to check if SELinux is enabled (getenforce | grep -q Enforcing &&
> chcon system_u:object_r:bin_t:s0 $(tmpdir)/fc_sort). Or perhaps have it
> just failing silently.
>
> Regards,
>
> Guido
>
> _______________________________________________ refpolicy mailing list
> refpolicy at oss.tresys.com http://oss.tresys.com/mailman/listinfo/refpolicy
>
selinuxenabeled && chcon system_u:object_r:bin_t:s0 $(tmpdir)/fc_sort).
Would be better...
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next prev parent reply other threads:[~2012-08-07 18:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-05 1:06 [refpolicy] [PATCH]: force a label on the fc_sort executable Guido Trentalancia
2012-08-07 17:46 ` Christopher J. PeBenito
2012-08-07 18:03 ` Guido Trentalancia
2012-08-07 18:14 ` Daniel J Walsh [this message]
2012-08-15 7:27 ` Guido Trentalancia
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