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This removes the messaging_backend abstraction layer from messages_dgm.c. That
layer was introduced for ctdb and is still used there. But as the messaging_dgm
interface is very slim anyway, I don't think directly calling it is too bad.
Why this commit? It is another step towards making messages_dgm
independent of messages.[ch], thus it might become usable in other
contexts like ctdb and source4
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Rename smbcontrol's dgm-cleanup to msg-cleanup. We haven't published
this UI yet :-)
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This avoids calling messaging_dispatch_rec directly from messaging_dgm.c
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Ensure lpcfg_parm_struct, its counterpart is equivalent
Change-Id: I127ce5d3cf7fe02ebf161aa011ec3b41bc32a656
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Change-Id: I0736a3b9b73aa80f529327ec70e856dd7fc008c6
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
It is not used any more.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Christof Schmitt <cs@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Thu Jul 24 14:23:11 CEST 2014 on sn-devel-104
This is generic enough that it could be used in all code.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Jul 18 15:43:33 CEST 2014 on sn-devel-104
This will allow winbindd to know when we are an RODC
without needing to dig into sam.ldb.
Change-Id: Ibdfa37fe6269305ccc5db42479f4a8db5eea53f3
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Nadezhda Ivanova <nivanova@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Jun 18 21:17:57 CEST 2014 on sn-devel-104
This patch seems odd, but the pdb_samba_dsdb module has exactly this
semantics. That is, the pdb_samba_dsdb is responsible for all IDMAP
values, due to backing on to the idmap.ldb allocator. This option is
added so we can continue to support the mappings written into that
database even when switching winbindd implementations - the source4/
winbind code would only ask the idmap_ldb code, no matter what the
SID.
Almost all of the behaviour for this is already in winbindd, but we
need this extra flag function so as to avoid (currently intentional)
errors at startup due to not having a per-domain allocation
configured in the smb.conf.
Andrew Bartlett
Change-Id: I6b0d7a1463fe28dfd36715af0285911ecc07585c
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Kamen Mazdrashki <kamenim@samba.org>
This adds in flags that allow winbindd to request authentication
without directly calling into the auth_sam module.
That in turn will allow winbindd to call auth_samba4 and so permit
winbindd operation in the AD DC.
Andrew Bartlett
Change-Id: I27d11075eb8e1a54f034ee2fdcb05360b4203567
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
some of the code in afs.c is needed by wbinfo that lives in the toplevel
nsswitch directory, so move the afs.c file to a new top-level lib/afs
directory. Use the name afs_funcs to avoid collisions with the afs.h
header from OpenAFS
Signed-off-by: Christian Ambach <ambi@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Change-Id: I987aa533ebe11c93b9e836fafc7b19c81bf600a5
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This also changes the layering
messaging_send_iov -> messaging_send_buf -> messaging_send
to
messaging_send_buf -> messaging_send -> messaging_send_iov
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Mathias Dietz <mdietz@de.ibm.com>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu May 22 18:37:27 CEST 2014 on sn-devel-104
This will allow new tests to be written to validate winbindd authentication results
Andrew Bartlett
Change-Id: I008eba1de349b17ee4eb9f11be08338557dffecc
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This delegates the decision whether to read a message to a callback
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This call is never made in the code and should in fact crash if it was ever called with a valid boolean
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-on: https://gerrit.samba.org/106
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
messaging_read_send/recv was okay for just one handler in the queue. For
multiple handlers it was pretty broken.
A handler that deletes itself as part of the callback (pretty typical use
case...) drops the message for a subsequent handler that responds to the same
message type. In messaging_dispatch_rec we walk the array, however
messaging_read_cleanup has already changed the array. tevent_req_defer_callback
does not help here: It only defers the callback, it does not defer the cleanup
function.
This also happens when a callback deletes a different handler
A handler that re-installs itself in the callback might get a message twice.
This patch changes the code such that only messaging_dispatch_rec adds records
to msg_ctx->waiters, new waiters are put into a staging area first
(msg_ctx->new_waiters). Also messaging_read_cleanup does not move anything
around in msg_ctx->waiters, it only nulls out itself. messaging_dispatch_rec is
changed to cope with this.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This corresponds to low_id for convenience and allows
for computations without going back to the global config.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This uses a copy, will be replaced by a direct iovec call through to
sendmsg on the unix domain socket
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Messaging based on unix domain datagram sockets
This makes every process participating in messaging bind on a unix domain
datagram socket, similar to the source4 based messaging. The details are a bit
different though:
Retry after EWOULDBLOCK is done with a blocking thread, not by polling. This
was the only way I could in experiments avoid a thundering herd or high load
under Linux in extreme overload situations like many thousands of processes
sending to one blocked process. If there are better ideas to do this in a
simple way, I'm more than happy to remove the pthreadpool dependency again.
There is only one socket per process, not per task. I don't think that per-task
sockets are really necessary, we can do filtering in user space. The message
contains the destination server_id, which contains the destination task_id. I
think we can rebase the source4 based imessaging on top of this, allowing
multiple imessaging contexts on top of one messaging_context. I had planned to
do this conversion before this goes in, but Jeremy convinced me that this has
value in itself :-)
Per socket we also create a fcntl-based lockfile to allow race-free cleanup of
orphaned sockets. This lockfile contains the unique_id, which in the future
will make the server_id.tdb obsolete.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
