[PATCH] procfs: add smack subdir to attrs
From: casey@schaufler-ca.com (Casey Schaufler)
Date: 2017-06-06 14:46:51
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On 6/6/2017 4:58 AM, Jos? Bollo wrote:
On Thu, 1 Jun 2017 16:59:24 -0700 Casey Schaufler [off-list ref] wrote:quoted
On 6/1/2017 4:38 PM, James Morris wrote:quoted
On Thu, 1 Jun 2017, Casey Schaufler wrote:quoted
Subject: [PATCH] procfs: add smack subdir to attrsIs there value in this without major stacking support?Yes. If a Smack aware application reads /proc/self/attr/current it has no way to know if what it sees is a Smack label or an SELinux context. True, the application can look elsewhere (i.e. /sys/kernel/security/lsm) to find out which is enabled. But the real fix is for Smack to use a different interface than SELinux. Which is what this does. True, it will be even more important when/if major stacking comes in, but it is still significant now, and I would like to have it regardless of the future acceptance of major stacking.I agree that it is a nice forward movement to leave the mud. I have a subsidiary question to ask. Should we keep the name 'attr' for the subdirectory? It seems at least convenient but if a better name is valuable (security, lsm, ...) why not to switch now?
Too many things would break. It's really a matter of taste in any case.
BR jos?quoted
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