Re: [PATCH v5] Classify AF_ALG sockets

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On Tue, Aug 23, 2016 at 10:42 AM, Stephen Smalley <sds@xxxxxxxxxxxxx> wrote:
> On 08/23/2016 10:14 AM, Guido Trentalancia wrote:
>> Modify the SELinux kernel code so that it is able to classify sockets with
>> the new AF_ALG namespace (used for the user-space interface to the kernel
>> Crypto API).
>>
>> A companion patch has been created for the Reference Policy and it will be
>> posted to its mailing list, once this patch is merged.
>
> 1. Could we reclaim the redhat1 policy capability (originally reserved
> for the ptrace_child capability that was later discarded and is not used
> anywhere), or would that pose any compatibility problems (I don't think
> so, but not entirely sure)?

Yes, we *should* be able to reuse the capability, but some closer
inspection/testing would likely need to be done.  There was a thread
about this somewhere a few months ago ...

> 2. Could we generalize this to support separate classes for every
> address family implemented by Linux rather than doing them piecemeal?

I agree.  I think Guido mentioned this might take some more time, but
that is fine with me, I don't believe there is any hard deadline for
this work.

-- 
paul moore
www.paul-moore.com
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