RE: File Attributes

Hi, Andy,

As discussed with Dan Bale, my goal is to ABSOLUTELY secure some source
files from use outside our source/object control application.  This is one
of the methods I am exploring.  I do not believe that the data authorities
you discuss pertain to the file attributes I discussed in my original
message.

Rgds,
Mike

-----Original Message-----
From: Andy Nolen-Parkhouse [mailto:aparkhouse@attbi.com]
Sent: Tuesday, June 25, 2002 1:28 PM
To: mi400@midrange.com
Subject: RE: [MI400] File Attributes


Michael,

I just took a quick look at the V5R1 CL Reference for the GRTOBJAUT and
RVKOBJAUT commands.  They clearly list *ADD, *DLT, *UPD, and *READ as
allowable authorities to grant or revoke.  If you were to revoke
authority to *PUBLIC (or a specific user) for these attributes, would
that not accomplish your goal?

As to your goal, what is it?  Be careful of assuming that an individual
object's security could prevent access by an intelligent user with
*ALLOBJ authority.

Regards,
Andy Nolen-Parkhouse

> Of Hardman, Michael
> Sent: Tuesday, June 25, 2002 3:36 PM
> To: 'mi400@midrange.com'
> Subject: [MI400] File Attributes
>
> When one displays an AS/400 physical file description, one can see
that
> there are four (4) "Allow..." attributes associated with the file.
These
> attributes are, in order of display, Read, Write, Update and Delete.
It
> appears that one may only set the Update and Delete attributes (to
*YES or
> *NO) at file creation time.  It does not appear that one may set the
Read
> or
> Write attributes at any time.  These attributes (Read & Write) are
always
> *YES.
>
> Does anyone know a method, via MI (or any other language), to locate
and
> set
> these attributes?  If such a method exists, would setting all of the
> attributes to *NO imply that the data contained in the file is
> inaccessible
> regardless of any special authority contained in a user profile?
Would
> you
> share the method?
>
> Thanks for your assistance.
>
> Rgds,
> Mike

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