Thread (10 messages) 10 messages, 3 authors, 2018-03-02

[PATCH v2 3/4] ima: fail signature verification based on policy

From: serge@hallyn.com (Serge E. Hallyn)
Date: 2018-02-28 15:30:17
Also in: linux-fsdevel, linux-integrity

Quoting Mimi Zohar (zohar at linux.vnet.ibm.com):
On Tue, 2018-02-27 at 16:35 -0600, Serge E. Hallyn wrote:
quoted
Quoting Mimi Zohar (zohar at linux.vnet.ibm.com):
quoted
This patch addresses the fuse privileged mounted filesystems in
environments which are unwilling to accept the risk of trusting the
signature verification and want to always fail safe, but are for
example using a pre-built kernel.

This patch defines a new builtin policy "unverifiable_sigs", which can
How about recalc_unverifiable_sigs?
Cute, I really like that name, but in this case we're failing the
signature verification.
quoted
It's long, but unverifiable_sigs
is  not clear about whether the intent is to accept or recalculate them.

(or fail_unverifiable_sigs like the flag)
Could we abbreviate it to "fail_usigs"? ?Or perhaps allow both
"fail_unverifiable_sigs" and "fail_usigs".
That sounds good.  Or fail_unverified?  But so long as 'fail' is somehow
clearly implied by the name.
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