Hi,

There is a problem with the negResult field of NegoTokenArg structure. As per 
SPNEGO RFC rfc247, NegTokenTarg can have an optional parameter with the name 
negResult.

Samba does not look  to support this optional parameter. The function 
spnego_parse_auth() is failing if a client sends negResult parameter in its 
SPNEGO response. (My client sends a "accept-incomplete" in the negResult 
field). A windows-based CIFS server does not have any issue with the response 
token containing the negResult field.

Is there a fix available in Samba for this problem Or am I the first person who 
is experiencing this issue? The workaround I have is to avoid sending negResult 
 to  Samba.

Thanks and Regards

Sudheer




________________________________
From: Sudheer Kurichiyath
Sent: Friday, August 29, 2008 1:54 PM
To: '[email protected]'
Subject: SPNEGO NTLMSSP failure

Hi,

The cifs client that I am working on is having some problem with 
SPNEGO/NTLMSSP. Session Setup AndX is failing in the last exchange of NTLMSSP. 
The error I am getting is 0xC00000D(STATUS_INVALID_PARAMETER). I am also seeing 
the following message in the log

"spnego_parse_auth(466) spnego_auth_parse failed at 7. "

I am using Heimdal library to generate SPNEGO/NTLMSSP messages.

I very much appreciate if someone could provide me the reasons for this error. 
The samba server I am using is Samba 3.0.28-0.el5.8.

Thanks and Regards

Sudheer

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