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It simplifies our structure handling a lot, making the code shorter
and easier to understand. Look at the diff carefully and see if you
can understand it. If you're still confused then please ask.
Up to now the client code has had an async API, and operated
asynchronously at the packet level, but was not truly async in that it
assumed that it could always write to the socket and when a partial
packet came in that it could block waiting for the rest of the packet.
This change makes the SMB client library full async, by adding a
separate outgoing packet queue, using non-blocking socket IO and
having a input buffer that can fill asynchonously until the full
packet has arrived.
The main complexity was in dealing with the events structure when
using the CIFS proxy backend. In that case the same events structure
needs to be used in both the client library and the main smbd server,
so that when the client library is waiting for a reply that the main
server keeps processing packets. This required some changes in the
events library code.
Next step is to make the generated rpc client code use these new
capabilities.
- This causes our client and server code to use the same core code,
with the same debugs etc.
- In turn, this will allow the 'mandetory/fallback' signing algorithms
to be shared, and only written once.
Updates to the SPNEGO code
- Don't wrap an empty token to the server, if we are actually already finished.
Andrew Bartlett
- We can now connect to hosts that follow the SPNEGO RFC, and *do not*
give us their principal name in the mechListMIC.
- The client code now remembers the hostname it connects to
- We now kinit for a user, if there is not valid ticket already
- Re-introduce clock skew compensation
TODO:
- See if the username in the ccache matches the username specified
- Use a private ccache, rather then the global one, for a 'new' kinit
- Determine 'default' usernames.
- The default for Krb5 is the one in the ccache, then $USER
- For NTLMSSP, it's just $USER
Andrew Bartlett
- Spelling - it's SPNEGO, not SPENGO
- SMB signing - Krb5 logins are now correctly signed
- SPNEGO - Changes to always tell GENSEC about incoming packets, empty or not.
Andrew Bartlett
- This required using NETLOGON_NEG_AUTH2_FLAGS for the
SetupCredentials2 negotiation flags, which is what Samba3 does,
because otherwise the server uses different crypto.
- This tests the returned session keys, which we decrypt.
- Update the Samba4 notion of a 'session key' to be a DATA_BLOB in
most places.
- Fix session key code to return NT_STATUS_NO_SESSION_KEY if none is
available.
- Remove a useless argument to SMBsesskeygen_ntv1
- move netr_CredentialState from the .idl to the new credentials.h
Andrew Bartlett
