linux-kernel - Re: [PATCH 1/2] file capabilities: add no_file

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Message-ID: <20080922225733.GB610@sequoia.sous-sol.org>
Date:	Mon, 22 Sep 2008 15:57:33 -0700
From:	Chris Wright <chrisw@...s-sol.org>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	linux-security-module@...r.kernel.org,
	James Morris <jmorris@...hat.com>,
	Andrew Morgan <morgan@...nel.org>,
	Andreas Gruenbacher <agruen@...e.de>,
	Andrew Morton <akpm@...l.org>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH 1/2] file capabilities: add no_file_caps switch (v2)

* Serge E. Hallyn (serue@...ibm.com) wrote:
> --- a/kernel/capability.c
> +++ b/kernel/capability.c
> @@ -33,6 +33,19 @@ EXPORT_SYMBOL(__cap_empty_set);
>  EXPORT_SYMBOL(__cap_full_set);
>  EXPORT_SYMBOL(__cap_init_eff_set);
>  
> +#ifdef CONFIG_SECURITY_FILE_CAPABILITIES
> +int file_caps_enabled = 1;
> +
> +static int __init file_caps_disable(char *str)
> +{
> +	file_caps_enabled = 0;
> +	return 1;
> +}
> +__setup("no_file_caps", file_caps_disable);
> +#else
> +static const int file_caps_enabled = 0;
> +#endif

> --- a/security/commoncap.c
> +++ b/security/commoncap.c
> @@ -27,6 +27,12 @@
>  #include <linux/prctl.h>
>  #include <linux/securebits.h>
>  
> +#ifdef CONFIG_SECURITY_FILE_CAPABILITIES
> +extern int file_caps_enabled;
> +#else
> +static const int file_caps_enabled = 0;
> +#endif
> +

file_caps_enabled cut 'n paste mistake when !CONFIG_SECURITY_FILE_CAPABILITIES?

Also, plan to update Documentation/kernel-parameters.txt?

thanks,
-chris
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