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<H1>[Mageia-dev] RM replacement</H1>
<B>andre999</B>
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TITLE="[Mageia-dev] RM replacement">andr55 at laposte.net
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<I>Fri Aug 5 00:39:35 CEST 2011</I>
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<PRE>Luis Daniel Lucio Quiroz a écrit :
><i> Helo,
</I>><i>
</I>><i> As my experience in security field, to make Mageia more available in enterprise
</I>><i> environments, and specially those that are security paranoid, i'm planning to
</I>><i> port SRM. SRM is a package that does a "secure" file deleting according some
</I>><i> security standards (i dont remember right now names, i guess it is something
</I>><i> in NIST, but that doesnt matter really).
</I>><i>
</I>><i> My question is, what should be the procedure that when you install srm, then
</I>><i> the normal rm command could be replaced? i was thinking in pushing an alias
</I>><i> but what other alternatives do i have?
</I>><i>
</I>><i> please comment,
</I>><i>
</I>><i> LD
</I>
At first glance that sounds like a reasonable approach EXCEPT -- a system-level
alias would be over-ridden by a user alias.
A user could innocently have an alias such as :
alias rm="rm -i"
rm is in /bin
- /bin/rm could be replaced with a link to srm, but I don't know if that would
be considered acceptable.
rm would have to be restored if srm were uninstalled
- wouldn't a link in /usr/bin/rm be executed first ?
Of course that doesn't cover execution with root privileges.
An alias in root wouldn't necessarily work, as an admin could inadvertantly
replace it with another. (By loading a new file with some changed alias, for
example.)
But probably less likely than some user doing the same on their profile.
There could be other approaches as well ... :)
--
André
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