Re: Secure barebox

[Moritz Warning <m.warning@meteocontrol.de>]

Oh, anyway; what happens when the timeout is 0.
How can you access the barebox again?

On 06/01/2015 02:12 PM, Moritz Warning wrote:
> Thanks for the information!
>
> On 06/01/2015 02:06 PM, Sascha Hauer wrote:
>> Hi Moritz,
>>
>> On Mon, Jun 01, 2015 at 11:34:23AM +0200, Moritz Warning wrote:
>>> Hi,
>>>
>>> I like to secure access to barebox using a password.
>>> passwd seems to be the right command, but setting a
>>> password does not seem to have any effect.
>>>
>>> After a reset, access to barebox is not limited as far
>>> as I can tell.
>>
>> I've never really used password support. I just gave it a try and I can
>> only say: It's not usable in its current state. The thing you were
>> missing is: You must set nv.login.timeout to something nonzero:
>>
>> nv.login.timeout=3; saveenv
>>
>> Then afterwards I get asked for a password. If I enter this correctly I
>> get to the prompt, if I enter the wrong password I'm asked for a
>> password again. However, when I press ctrl-c or just an empty password I
>> also get to the prompt.
>> The password protection support is currently implemented in the
>> /env/bin/init script. This makes the whole stuff very fragile. The
>> barebox shell is not designed to be secure. Once the shell is started
>> the system is insecure, so the password asking process should be done
>> before entering the shell, not from the shell.
>>
>> Sascha
>>
>
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