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With a w2k8-R2 DC, we sometimes get linked attribute updates via DRS
which are duplicates of entries that we already have. We need to cope
with this by using a remove/add pair in the ldb_modify() to avoid a
"entry already exists" error
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- Revert a change introduced by me since I didn't understood the meaning of the
version check
- Added some "const" to suppress compiler warnings
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Additional notes:
- Bump the level to Windows Server 2008 R2 (we should support always the latest
version - if we provision ourself)
- In "descriptor.c" the check for the "domainFunctionality" level shouldn't be
needed: ACL owner groups (not owner user) are supported since Windows 2000
Server (first AD edition)
- I took the argument from: http://support.microsoft.com/kb/329194
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Signed-off-by: Andrew Bartlett <abartlet@samba.org>
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we were setting local_usn after the marshall, so it wasn't going into
the object
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On a rename we need to update uSNChanged, and the max uSN for the
partition
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We could get a double free with multiple linked attributes in a
message
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Michael
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You can now attach a partition control to searches to search within a
specific partition. This is used to get at the per-partition
@REPLCHANGED object
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This object tracks the highest uSN in each partition. It will be used
to allow us to efficiently detect changes in a partition for sending
DsReplicaSync messages to our replication partners.
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metze
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The partition module normally makes the sequence number extended op
operate across all partitions. It will be useful in the repl task to
be able to ask for the sequence number of one partition
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we only need to allocate a new sequence number when
replPropertyMetaData is changing or being created on an object
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I think these modules ended up LGPL because someone based the module
on an existing LGPL module in the core ldb, and it spread from
there. Certainly there is no reason for the ldb modules that are not
distributed as part of ldb to be LGPL.
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When changing non-replicated attributes we should not update the
uSNChanged attribute on the record, otherwise the DRS server will
think this record needs replicating.
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thanks to Metze for spotting this
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Every time we change a ldb object with the repl_meta_data module
loaded we need to update the replPropertyMetaData attribute to fix the
timestamps and USNs of the attributes being changed.
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metze
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Previous patch was incomplete regarding the "primaryGroupId" attribute. Complete it.
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This fixes up the change of the primary group of a user when using the ADUC
console:
- When the "primaryGroupId" attribute changes, we have to delete the
"member"/"memberOf" attribute reference of the new primary group and add one
for the old primary group.
- Deny deletion of primary groups according to Windows Server (so we cannot
have invalid "primaryGroupID" attributes in our AD).
- We cannot add a primary group directly before it isn't a secondary one of a
user account.
- We cannot add a secondary reference ("member" attribute) when the group has
been chosen as primary one.
This also removes the LDB templates which are basically overhead now.
This should also fix bug #6599.
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This one copes with deleted objects where linked attributes have been
set on the module. We hit this when we do the ldb wipe at the start of
a provision, which trigers linked attribute updates, but for objects
that have disappeared. We need to ensure that the linked attribute
updates only happen on the right object, and if the object gets
re-created (as happens with a provision) then it is not the right
object.
To cope with this we record the GUID of the object when the operation
that triggered the linked attribute update comes in, and then find the
DN by suing that GUID when we apply the change in the prepare commit
hook.
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This allows for safe transaction end aborts
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Now that ldb is calling prepare commit separately, the job of the
partition module on transaction end is much simpler (and more robust!)
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When running at functional level 2 or above, the repl_meta_data module
can receive linked attribute structures from the repl replication
task. These attributes can come through DRS before the associated
objects have been created. To cope with this, we need to process
linked attributes in the end_transaction hook.
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We need to call down to the next transaction function when we finish
in linked_attributes.
This also changes linked_attributes to use the common
dsdb_find_dn_by_guid() function
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This exposes the linked_attributes to the repl_meta_data module
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items are added to the linked attribute list using DLIST_ADD(), which
means to commit them to the database in the same order they came from
the server we need to walk the list backwards when we traverse it
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linked attribute changes can come in any order. This means it is
possible for a forward link to come over the wire in DRS before the
target even exists. To make this work this patch changed the linked
attributes module to gather up all the changes it needs to make in a
linked list, then execute the changes in the end_transaction hook for
the module.
During that commit phase we also fix up all the DNs that we got by
searching for their GUID, as the objects may have moved after the
linked attribute was sent, but before the end of the transaction
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We know the partition DN from the DRS objects, we need to pass this
down the modules below us to ensure they operate on the right
partition
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This structures was used in two ways. In one way it held variables
that are logically internal to the partition module, and in the other
way it was used to pass the partition DN down to other modules. This
change makes the structure contain just the dn which is being passed
down.
This change is part of the support for linked attributes. We will be
passing this control down from above the partition module to force
which partition a request acts upon. The partition module now only
adds this control if it isn't already there.
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This helps a lot with debugging the DRS replication code
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This revises tridge's commit 61ca4c491e1c13eb7d97847f743b0f540f1117c4
to use ldb_request_add_control() instead of a manual construction.
Andrew Bartlett
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The objectclass module checks that the target parent exists, and
refuses renames if it doesn't exist. For this to work for deleted
objects we have to do the search in the objectclass module with the
"show deleted" control enabled.
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Instead, use the fact that the ldb_parse_tree structure is public to
construct the 'and not deleted' clause as a structure, and apply each
filter tree to that template.
Andrew Bartlett
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The OIDs are not NULL terminated by the python caller, in line with
the LDB API, but we need them to be here, as we were casting them to a
string.
Andrew Bartlett
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Added simple DRS rename support in replication. This should be done
async, and I'm not sure if we should also do any repl data updates to
indicate the rename. I'm still learning how this stuff works, but at
least this allows a rename on a DC to propogate correctly
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Should finally fix bug #6136 ("groupType", "sAMAccountType" ... attributes).
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With the previous check I got random failures when trying to connect to the
LDAP server.
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