Re: [PATCH] integrity/ima: Provide Kconfig option for ima-modsig template

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Hi Michael,

On Mon, 2021-02-15 at 11:23 +0100, Michael Weiß wrote:
> 'ima-modsig' was not in the list of selectable templates in Kconfig.
> The missing Kconfig options were added to support the ima-modsig
> template as default template.
> 
> Signed-off-by: Michael Weiß <michael.weiss@xxxxxxxxxxxxxxxxxxx>

Since 'ima-modsig' is only needed for appended signatures (e.g. kexec
kernel image on powerpc, kernel modules) a per policy rule "template="
option was defined.  There's also the 'ima_template=' boot command line
option.   Between these two options, I didn't see the need for making
it a build time default option.  Do you?

The patch itself looks good. 

thanks,

Mimi

> ---
>  security/integrity/ima/Kconfig | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
> index 12e9250c1bec..32b9325f49bf 100644
> --- a/security/integrity/ima/Kconfig
> +++ b/security/integrity/ima/Kconfig
> @@ -78,6 +78,8 @@ choice
>  		bool "ima-ng (default)"
>  	config IMA_SIG_TEMPLATE
>  		bool "ima-sig"
> +	config IMA_MODSIG_TEMPLATE
> +		bool "ima-modsig"
>  endchoice
>  
>  config IMA_DEFAULT_TEMPLATE
> @@ -86,6 +88,7 @@ config IMA_DEFAULT_TEMPLATE
>  	default "ima" if IMA_TEMPLATE
>  	default "ima-ng" if IMA_NG_TEMPLATE
>  	default "ima-sig" if IMA_SIG_TEMPLATE
> +	default "ima-modsig" if IMA_MODSIG_TEMPLATE
>  
>  choice
>  	prompt "Default integrity hash algorithm"





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