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From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/2] usbarmory: Add board_run_command() function
Date: Mon, 27 Jun 2016 12:38:49 +0200	[thread overview]
Message-ID: <57710239.7010906@denx.de> (raw)
In-Reply-To: <20160620161826.GD26512@core.inversepath.com>

Hi Andrej,

On 20/06/2016 18:18, Andrej Rosano wrote:

>>
>> I ten to NACK this. You can do exactly the same with a U-Boot script,
>> and if you want to have this as default, you can change your default
>> environment. This is just a wrapper around the hush shell.
> 
> The intention of the patch is to boot the kernel while having the CLI disabled
> (CONFIG_CMDLINE=n). The U-Boot script needs the CLI to be enabled AFAIK.
> 
> It is better having the CLI disabled when using the Verified Boot, otherwise
> there are chances to bypass the FIT image verification (e.g. using md/mw
> commands in case are available):

Why is it not enough to disable the CONSOLE ? I mean, if there is no
user interface (and this is done in a lot of ways, for example setting
stdin / stdout), there is no ways to bypass it because the interface is
not availabel. Or is there some other security issues I am not aware of ?

Best regards,
Stefano Babic


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  reply	other threads:[~2016-06-27 10:38 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-20 15:21 [U-Boot] [PATCH 1/2] usbarmory: switch to using kernel zImage andrej at inversepath.com
2016-06-20 15:21 ` [U-Boot] [PATCH 2/2] usbarmory: Add board_run_command() function andrej at inversepath.com
2016-06-20 15:46   ` Stefano Babic
2016-06-20 16:18     ` Andrej Rosano
2016-06-27 10:38       ` Stefano Babic [this message]
2016-06-28 18:43         ` Simon Glass
2016-06-29  9:20           ` Stefano Babic

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