Re: [Freeipmi-devel] bmc-config & ipmi 2.0 problem

[Albert Chu]

> B) Configuration options 'Password16' or 'Password20' will be used. 
>   - Resulting issue: Both can't be output to the user, the user will
> simply have to know that one or the other can be used.

Also, there is no method by which to propogate back up to bmc-config
which key to output during a --checkout.

After some thinking, I think "Password" and "Password20" are
the options I'll go with.

Al

--
Albert Chu
address@hidden
925-422-5311
Computer Scientist
High Performance Systems Division
Lawrence Livermore National Laboratory


----- Original Message -----
From: Albert Chu <address@hidden>
Date: Tuesday, April 11, 2006 2:55 pm
Subject: [Freeipmi-devel] bmc-config & ipmi 2.0 problem

> Looking for suggestions/recommendations:
> 
> Background:
> 
> In ipmi 1.5, the max password length is 16 bytes.  In ipmi 2.0,
> passwords can be set to a max of 16 bytes or 20 bytes. Internally 
> in the
> firmware, passwords are padded up to the max and a flag indicates 
> if the
> max is 16 bytes or 20 bytes.
> 
> If the max is 20 bytes, only ipmi 2.0 can be used to establish an ipmi
> session.  If the max is 16 bytes, ipmi 1.5 or ipmi 2.0 can be used to
> establish an ipmi session.
> 
> Problem:
> 
> Assuming the user is on an IPMI 2.0 machine, if the user inputs a
> password < 16 bytes to bmc-config, how should the user indicate which
> max password length should be configured?
> 
> A) A new flag "Max_Password_Length" in the config file indicates if 
> themax password length is 16 or 20 bytes.  
>   - Resulting issue: bmc-config assumes each config file line has a
> configurable option.  Now two lines in the config file equal one
> configurable value.  Bmc-config would probably need to be re-
> architectedto handle this.
> 
> B) Configuration options 'Password16' or 'Password20' will be used. 
>   - Resulting issue: Both can't be output to the user, the user will
> simply have to know that one or the other can be used.
> 
> 
> Al
> 
> --
> Albert Chu
> address@hidden
> 925-422-5311
> Computer Scientist
> High Performance Systems Division
> Lawrence Livermore National Laboratory
> 
> 
> 
> 
> 
> 
> 
> 
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