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in Samba4. This allows us to start winbindd by default, including in
'make test'.
This is via a new 'winbindd socket directory' parameter for utilities
linked against loadparm, as well as a --with-winbindd-socket-dir
option to configure (setting the default and the value for simple
clients).
I hope to add basic winbindd tests, to ensure continued correct
operation, but at least now I don't have to manually change my 'server
services' line.
The other problem with the hard-coded /tmp/.winbind is that RedHat has
moved this in Fedora (to /var/run I think). For this reason, this
functionality should probably be ported to Samba3 as well.
The default for Samba4 is PREFIX/var/run/winbind_pipe.
I have also re-added the paranoia checks from Samba3 for correct
permissions on the socket directory.
Andrew Bartlett
multiple protocols, replacing it with the packet handling subsystem.
We don't have multiple protocols at present, and the abstraction layer
only serves to confuse matters. Also, the new packet subsystem removes
the need to handle partial reads.
We can easily add new protocols from the socket up instead, becaue the
difficult bits are done by the packet layer.
Andrew Bartlett
support cldap and other stuff in the future.
This temporarily disables wbinfo -t, but that will come back soon.
Try an ldap bind using gss-spnego. This got me krb5 binds against "our" w2k3
and a trusted w2k, although with some memleaks from krb5 and a BAD_OPTION
tgs-rep error.
Volker
first. And if a request is being processed, queue it. This correctly survived
3 endless loops with wbinfo's doing different things while starting up smbd.
The number of indirections starts to become a bit scary, but what can you do
without a decent programming language that provides closures :-)
One thing that we might consider is to auto-generate async rpc requests that
return composite_context structs instead of rpc_requests. Otherwise I'd have
to write a lot of wrappers like composite_netr_LogonSamLogon_send.
The alternative would be to write two versions of wb_queue_domain_send which I
would like to avoid. This is cluttered enough already.
Volker
Initialize a domain structure properly. Excerpt from wb_init_domain.c:
/*
* Initialize a domain:
*
* - With schannel credentials, try to open the SMB connection with the machine
* creds. Fall back to anonymous.
*
* - If we have schannel creds, do the auth2 and open the schannel'ed netlogon
* pipe.
*
* - Open LSA. If we have machine creds, try to open with ntlmssp. Fall back
* to schannel and then to anon bind.
*
* - With queryinfopolicy, verify that we're talking to the right domain
*
* A bit complex, but with all the combinations I think it's the best we can
* get. NT4, W2k3SP1 and W2k all have different combinations, but in the end we
* have a signed&sealed lsa connection on all of them.
*
* Is this overkill? In particular the authenticated SMB connection seems a
* bit overkill, given that we do schannel for netlogon and ntlmssp for
* lsa later on w2k3, the others don't do this anyway.
*/
Thanks to Jeremy for his detective work, and to the Samba4 team for providing
such a great infrastructure.
Next step is to connect to SAM. Do it via LDAP if we can, fall back to samr
with all we have.
Volker
start to look sane.
Question: What about providing all winbind commands as irpc interfaces that
are called from the samba3 compatibility layer? This way it would be easy for
other samba components to access its functionality. Does that make sense?
Volker
queryinfopolicy. Idea is to get a consistency check between that and our
notion of the domain name and sid, and take the lsa pipe as the holder of the
central smbcli_tree that netlogon and samr use as well.
Volker
Tridge, if you have time, you might want to look at the segfault I was still
seeing. Now I store the handle to the netlogon pipe in the global winbind
state and free it on the next entry into check_machacc. The problem seems to
be that talloc_free()ing a pipe struct from within a callback function on that
pipe is not possible. I think I can live with that, but it has been not really
obvious. To reproduce the segfault you might want to look at putting a
talloc_free(state->getcreds->out.netlogon) into
wbsrv_samba3_check_machacc_receive_creds. This is called from a dcerpc
callback function.
In particular if the check failed it would be nice if I could delete the pipe
directly and not post a different event to some winbind queue.
I tried to delete the pipe from a timed event triggered immediately, but this
also fails because the inner loop seems to hit the same event again, calling
it twice.
Volker
domain and gets the DC's name via a mailslot call.
Metze, I renamed wbsrv_queue_reply to wbsrv_send_reply in accordance with
irpc_send_reply. Having _queue_ here and _send_ there is a bit confusing. And
as everything is async anyway, the semantics should not be too much of a
problem.
Volker
- remove the echo test stuff
- abstract out the used protocol
- we have a seperate handler for the samba3 protocol now
- the backend can easy do async replies
by setting WBSRV_CALL_FLAGS_REPLY_ASYNC in wbsrv_call
and then call wbsrv_queue_reply() later
metze
