linux-kernel - Re: [patch] file capabilities: Add no_file

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Message-ID: <20080826202832.GB16072@elte.hu>
Date:	Tue, 26 Aug 2008 22:28:32 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andreas Gruenbacher <agruen@...e.de>
Cc:	"Andrew G. Morgan" <morgan@...nel.org>,
	Serge Hallyn <serue@...ibm.com>, linux-kernel@...r.kernel.org
Subject: Re: [patch] file capabilities: Add no_file_caps switch


* Andreas Gruenbacher <agruen@...e.de> wrote:

> +++ b/kernel/sched.c
> @@ -8149,6 +8149,15 @@ void __init sched_init(void)
>  	plist_head_init(&init_task.pi_waiters, &init_task.pi_lock);
>  #endif
>  
> +#ifdef CONFIG_SECURITY_FILE_CAPABILITIES
> +	/*
> +	 * Because of the reduced scope of CAP_SETPCAP when filesystem
> +	 * capabilities are in effect, it is safe to allow CAP_SETPCAP to
> +	 * be available in the default configuration.
> +	 */
> +	init_task.cap_bset = CAP_FULL_SET;
> +#endif

hm, this doesnt belong into sched.c. You need your own (ifdef-less) init 
function in init/main.c or so.

	Ingo
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