[Evolution] EWS NTLM auth not working

[j2ev]

Hello David,

in my understanding, the process with libsoup and ntlm_auth when using
NTLM auth is:

- libsoup checks if ntlm_auth binary is present in the system
- if ntlm_auth is present, it is called with parameters "--helper-
protocol ntlmssp-client-1 --use-cached-creds --username (--domain)"
- if cached credentials are not available, SSO fails, libsoup computes
the NTLM responses itself

Kerberos auth works fine, but the problem is that tickets expire and
when I am not at work, I have to connect to VPN to renew them.

Anyway, I made some more progress also. I tried to make na
implementation of NTLMv2 in libsoup and was able to successfully
authenticate against our "Send NTLMv2 response only. Refuse LM & NTLM"
enabled
server (domain). So it seems I was right, that libsoup actually does
not support NTLMv2, just NTLM2 Session Response.
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