xccdf:sub elements commented out

Jan Ruzicka jan.ruzicka at comtechmobile.com
Tue Mar 18 16:33:31 UTC 2014


Hi,

Was the commenting out result of some evaluation substituting specified values? 
Is there a step to revert this substitution (to have a roundtrip) ?

Jan

On Mar 18, 2014, at 10:46, Simon Lukasik wrote:

> Hello,
> 
> I have noticed that in the content there is often xccdf:sub element 
> commented out (or even omitted). I wonder why these elements are 
> commented out. I thought, perhaps there was some problem in OpenSCAP 
> which have hold you from usage of sub elements.
> 
> As a reminder, xccdf:sub elements can be used within a Rule's title, 
> description, or fix elements. Each xccdf:sub element refers to a XCCDF 
> variable. The value of variable depends on selected profile. During a 
> content processing, the xccdf:sub elements shall get resolved according 
> to the profile.
> 
> I have recently reviewed and fixed OpenSCAP and SCAP-Workbench tools in 
> regard to the xccdf:sub processing. Please consider using/uncommneting 
> xccdf:sub elements.
> 
> The following snippets from ssg-rhel6-xccdf.xml illustrate the current 
> (non-)usage of sub elements:
> 
> (1)
> PASS_MIN_LEN 14<!-- <sub 
> idref="var_accounts_password_minlen_login_defs"> -->
> 
> (2)
> the following lines in <xhtml:code>/etc/default/useradd</xhtml:code>, 
> substituting
> <xhtml:code><i 
> xmlns="http://www.w3.org/1999/xhtml">NUM_DAYS</i></xhtml:code> 
> appropriately:
> <pre xmlns="http://www.w3.org/1999/xhtml">INACTIVE=<i>NUM_DAYS</i></pre>
> 
> (3)
> to require differing
> characters when changing passwords, substituting <i 
> xmlns="http://www.w3.org/1999/xhtml">NUM</i> appropriately.
> The DoD requirement is <xhtml:code>4</xhtml:code>.
> 
> (4)
> umask 077<!-- <sub idref="var_accounts_user_umask" /> -->
> 
> (5)
> Modify the following line,
> substituting <i xmlns="http://www.w3.org/1999/xhtml">ACTION</i> 
> appropriately:
> <pre xmlns="http://www.w3.org/1999/xhtml">space_left_action = 
> <i>ACTION</i></pre>
> Possible values for <i xmlns="http://www.w3.org/1999/xhtml">ACTION</i> 
> are described in the <xhtml:code>auditd.conf</xhtml:code> man page.
> 
> -- 
> Simon Lukasik
> Security Technologies, Red Hat, Inc.
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Jan Ruzicka
Senior Software Engineer
Comtech Mobile Datacom Corporation
20430 Century Blvd, Germantown, MD 20874
Office: 240-686-3300
Fax: 240-686-3301
 
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