Adding NTLMv2 support for Cyrus SASL 2.1.23

[Dhruva T S]

Hi,


This is regarding NTLMv2 in Cyrus SASL 2.1.23.
I have modified the plugins/ntlm.c file so as to add NTLMv2 support.
If NTLMv2 is enabled, then the Type 3 message contains only LMv2 response.

The reason being that the 'blob' structure is not being passed to the function V2()
which does NTLM hash,HMAC-MD5 ....


So in function ntlm_client_step_mech2(),I am passing the parameters to V2 () as

V2(resp,password,oparams->authid,domain,serverin+NTLM_TYPE2_CHALLENGE_OFFSET,
   blobbuf,bloblen,params->utils,&text->out_buf,&text->out_buf_len,&result); 

where 'blobbuf' is the blob and 'bloblen' is the length of the blob.
Then I am assigning the 'resp' to 'nt_resp'. 
Also, I have commented the part 
       "/*if (sendv2 &&
	(*sendv2 == '1' || *sendv2 == 'y' ||
	 (*sendv2 == 'o' && *sendv2 == 'n') || *sendv2 == 't'))*/ 

When I checked in ethereal, everything is fine and I am able to successfully 
authenticate against Microsoft Active Directory server.

Please let me know if I am doing anything wrong.


Thanks,
Dhruva

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