linux-kernel - Re: [PATCH v2 2/3] integrity: move integrity subsystem options to a separate menu

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Date:	Wed, 03 Sep 2014 15:55:52 +0300
From:	Dmitry Kasatkin <d.kasatkin@...sung.com>
To:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
Cc:	linux-ima-devel@...ts.sourceforge.net,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, dmitry.kasatkin@...il.com
Subject: Re: [PATCH v2 2/3] integrity: move integrity subsystem options to a
 separate menu


On 03/09/14 15:35, Mimi Zohar wrote:
> On Wed, 2014-09-03 at 10:29 +0300, Dmitry Kasatkin wrote: 
>> Integrity subsystem got lots of options and takes more than half
>> of security menu.
>>
>> This patch moves integrity subsystem options to a separate menu.
>> It does not affect existing configuration. Re-configuration is
>> not needed.
>>
>> Changes in v2:
>> - previous patch moved integrity out of the 'security' menu.
>>   This version keeps integrity as a security option (Mimi).
>>
>> Signed-off-by: Dmitry Kasatkin <d.kasatkin@...sung.com>
>> ---
>>  security/integrity/Kconfig     | 14 ++++++++++++--
>>  security/integrity/evm/Kconfig |  9 +--------
>>  security/integrity/ima/Kconfig |  3 +--
>>  3 files changed, 14 insertions(+), 12 deletions(-)
>>
>> diff --git a/security/integrity/Kconfig b/security/integrity/Kconfig
>> index f79d853..a734a83 100644
>> --- a/security/integrity/Kconfig
>> +++ b/security/integrity/Kconfig
>> @@ -1,7 +1,13 @@
>>  #
>>  config INTEGRITY
>> -	def_bool y
>> -	depends on IMA || EVM
>> +	bool "Integrity subsystem support"
>> +	depends on SECURITY
>> +	default y
>> +
>> +if INTEGRITY
>> +
>> +menu "Options"
>> +
> Instead of moving everything to a separate menu, I would leave the
> ability to enable/disable IMA and EVM on the security page, but move
> their options to separate pages.  So unless someone wants to change the
> default options, they're hidden.
>
> There are Kconfig examples for enabling the option in the parent
> directory and clicking on the option brings up a separate menu (eg. NET,
> WIRELESS).

Hi,

I posted this patch already 3 times before. This is 4th time.

In last post you answered:

"Agreed, but this patch moves integrity out of the 'security' menu.  The
following keeps integrity as a security option."

Now you tell me this?

- Dmitry

>>  config INTEGRITY_SIGNATURE
>>  	boolean "Digital signature verification using multiple keyrings"
>> @@ -46,3 +52,7 @@ config INTEGRITY_AUDIT
>>
>>  source security/integrity/ima/Kconfig
>>  source security/integrity/evm/Kconfig
>> +
>> +endmenu
>> +
>> +endif   # if INTEGRITY
>> diff --git a/security/integrity/evm/Kconfig b/security/integrity/evm/Kconfig
>> index d606f3d..df20a2f 100644
>> --- a/security/integrity/evm/Kconfig
>> +++ b/security/integrity/evm/Kconfig
>> @@ -1,6 +1,6 @@
>>  config EVM
>>  	boolean "EVM support"
>> -	depends on SECURITY
>> +	depends on INTEGRITY
> By adding the "if INTEGRITY",  the "depends on INTEGRITY" is redundant.
> Please remove the depends here and in the other places.
>
> Mimi
>
>>  	select KEYS
>>  	select ENCRYPTED_KEYS
>>  	select CRYPTO_HMAC
>> @@ -12,10 +12,6 @@ config EVM
>>
>>  	  If you are unsure how to answer this question, answer N.
>>
>> -if EVM
>> -
>> -menu "EVM options"
>> -
>>  config EVM_ATTR_FSUUID
>>  	bool "FSUUID (version 2)"
>>  	default y
>> @@ -47,6 +43,3 @@ config EVM_EXTRA_SMACK_XATTRS
>>  	  additional info to the calculation, requires existing EVM
>>  	  labeled file systems to be relabeled.
>>
>> -endmenu
>> -
>> -endif
>> diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
>> index 08758fb..2477d1e 100644
>> --- a/security/integrity/ima/Kconfig
>> +++ b/security/integrity/ima/Kconfig
>> @@ -2,8 +2,7 @@
>>  #
>>  config IMA
>>  	bool "Integrity Measurement Architecture(IMA)"
>> -	depends on SECURITY
>> -	select INTEGRITY
>> +	depends on INTEGRITY
>>  	select SECURITYFS
>>  	select CRYPTO
>>  	select CRYPTO_HMAC
>
> --
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