linux-kernel - Re: ownership/permissions of cpio initrd

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Message-ID: <Pine.LNX.4.61.0612052139180.18570@yvahk01.tjqt.qr>
Date:	Tue, 5 Dec 2006 21:39:57 +0100 (MET)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Jeffrey Hundstad <jeffrey.hundstad@...u.edu>
cc:	"Horst H. von Brand" <vonbrand@....utfsm.cl>,
	Marty Leisner <linux@...hester.rr.com>,
	linux-kernel@...r.kernel.org, bug-cpio@....org,
	martin.leisner@...ox.com
Subject: Re: ownership/permissions of cpio initrd


> It appears to not be standard with fedora for sure... but while it origiginally
> was/is a Debian package it looks like there is source if you'd like to build it
> on other systems.  It was originally designed to tackle the exact problem you
> are confronting.
>
> See:
> http://freshmeat.net/projects/fakeroot/
>
> About:
> Fakeroot runs a command in an environment were it appears to have root
> privileges for file manipulation, by setting LD_PRELOAD to a library with
> alternative versions of getuid(), stat(), etc. This is useful for allowing
> users to create archives (tar, ar, .deb .rpm etc.) with files in them with root
> permissions/ownership. Without fakeroot one would have to have root privileges
> to create the constituent files of the archives with the correct permissions
> and ownership, and then pack them up, or one would have to construct the
> archives directly, without using the archiver.

Ugh that sounds even more than a hack. At least for one-user 
archives, I guess nobody at Debian knows that tar has a --user and 
--group option.


	-`J'
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