[SAMBA4] In Memory ccache doesn't work

[Stefan (metze) Metzmacher]

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Hi,

I just noticed that we always do the following before a
krb5 authentification.

AS-REQ without pre-auth krbtgt/REALM
AS-REP error_code: KRB5KDC_ERR_PREAUTH_REQUIRED (25)
AS-REQ with pre-auth krbtgt/REALM
AS-REQ fine
TGS-REQ for target principal
TGS-REP fine
TGS-REQ KDCOptions: 60000000 (Forwardable, Forwarded) for krbtgt/REALM
TGS-REP error_code: KRB5KDC_ERR_BADOPTION (13)

against a w2k3 kdc, where windows only do

AS-REQ with pre-auth krbtgt/REALM
AS-REQ fine
TGS-REQ for target principal
TGS-REP fine

Also I noticed that the in memory ccache attached to the
cli_credentitials struct doesn't work, as we do the above for every
authentification!

Love, Andrew: any ideas?

metze
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