[gPXE] Fwd: Re:Re: why?username and password is right , but can't boot?

[Andrew Bobulsky]

Micheal, Kevin, et. al.,

I forwarded the this thread regarding this issue to a support rep I had previously consulted at Starwind Software.  He's taking a look to confirm the issue of base64 support and I've asked if he can potentially offer a workaround.  I'll post back when I hear from him again.

-Andrew Bobulsky


On Mar 17, 2010, at 6:51 AM, Michael Brown wrote:

> On Wednesday 17 Mar 2010 10:08:00 Kevin Tran wrote:
>> Current code only handles challenge response that is string of hex numbers
>> that started with either “0x”.  The challenge sent back by this target is
>> in base64 format.  I think we need to add base64 (per RFC 3720) format
>> support  in order to solve this problem.
> 
> Exactly what I was going to say.  gPXE does not currently support base64-
> encoded CHAP challenges (or responses).
> 
> We have base64 encoding support in core/base64.c, but no decoding support.
> 
> Someone will need to add base64_decode() base64_decoded_len() functions, and 
> modify iscsi.c to be able to use them; this is probably best done by 
> abstracting out the two places that currently process large hex strings into a 
> single iscsi_decode_large_binary() function.
> 
> Michael
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