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H A Dkeyctl.c54e2c2c1 Tue Sep 16 11:29:03 CDT 2014 David Howells <dhowells@redhat.com> KEYS: Reinstate EPERM for a key type name beginning with a '.'

Reinstate the generation of EPERM for a key type name beginning with a '.' in
a userspace call. Types whose name begins with a '.' are internal only.

The test was removed by:

commit a4e3b8d79a5c6d40f4a9703abf7fe3abcc6c3b8d
Author: Mimi Zohar <zohar@linux.vnet.ibm.com>
Date: Thu May 22 14:02:23 2014 -0400
Subject: KEYS: special dot prefixed keyring name bug fix

I think we want to keep the restriction on type name so that userspace can't
add keys of a special internal type.

Note that removal of the test causes several of the tests in the keyutils
testsuite to fail.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
cc: Mimi Zohar <zohar@linux.vnet.ibm.com>