linux-kernel - Re: [PATCH 12/19] CacheFiles: Permit a process's create SID to be overridden

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Message-ID: <XMMS.LNX.4.64.0611141618300.25022@d.namei>
Date:	Tue, 14 Nov 2006 16:19:48 -0500 (EST)
From:	James Morris <jmorris@...ei.org>
To:	David Howells <dhowells@...hat.com>
cc:	Linus Torvalds <torvalds@...l.org>, Andrew Morton <akpm@...l.org>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	trond.myklebust@....uio.no, selinux@...ho.nsa.gov,
	linux-kernel@...r.kernel.org, aviro@...hat.com, steved@...hat.com,
	Stephen Smalley <sds@...ho.nsa.gov>
Subject: Re: [PATCH 12/19] CacheFiles: Permit a process's create SID to be
 overridden

On Tue, 14 Nov 2006, David Howells wrote:

> +static u32 selinux_set_fscreate_secid(u32 secid)
> +{
> +	struct task_security_struct *tsec = current->security;
> +	u32 oldsid = tsec->create_sid;
> +
> +	tsec->create_sid = secid;
> +	return oldsid;
> +}

The ability to set this needs to be mediated via MAC policy.

See selinux_setprocattr()



- James
-- 
James Morris
<jmorris@...ei.org>
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