linux-kernel - RE: [PATCH v5 0/3] implement OA2_CRED

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Date: Mon, 6 May 2024 19:34:24 +0000
From: David Laight <David.Laight@...LAB.COM>
To: 'Andy Lutomirski' <luto@...capital.net>, Aleksa Sarai <cyphar@...har.com>
CC: Stas Sergeev <stsp2@...dex.ru>, "Serge E. Hallyn" <serge@...lyn.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "Stefan
 Metzmacher" <metze@...ba.org>, Eric Biederman <ebiederm@...ssion.com>,
	Alexander Viro <viro@...iv.linux.org.uk>, Andy Lutomirski <luto@...nel.org>,
	Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>, Jeff Layton
	<jlayton@...nel.org>, Chuck Lever <chuck.lever@...cle.com>, Alexander Aring
	<alex.aring@...il.com>, "linux-fsdevel@...r.kernel.org"
	<linux-fsdevel@...r.kernel.org>, "linux-api@...r.kernel.org"
	<linux-api@...r.kernel.org>, Paolo Bonzini <pbonzini@...hat.com>,
	Christian Göttsche <cgzones@...glemail.com>
Subject: RE: [PATCH v5 0/3] implement OA2_CRED_INHERIT flag for openat2()

...
> So I want a way to give *an entire container* access to a directory.
> Classic UNIX DAC is just *wrong* for this use case.  Maybe idmaps
> could learn a way to squash multiple ids down to one.  Or maybe
> something like my silly credential-capturing mount proposal could
> work.  But the status quo is not actually amazing IMO.

Isn't that what gids are for :-)

	David

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