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We can't emulate them through the LDB changetype flags since they haven't the
same constants! The previous behaviour led to huge problems.
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The parameters "lmNewHash" and/or "ntNewHash" could be NULL and when we perform
write operations on them (look below in the code) we could get SIGSEGVs!
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Enhances the outputs in autogen.sh for both s3 and s4.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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metze
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The version of the unitest python module in Ubuntu Jaunty doesn't seem
to support this many level of subdirectories. Moving the tests up one
level solves the problem.
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When a top level method in a module returns an error, it is supposed
to call ldb_module_done(). We ran across a case where this wasn't
done, and then found that in fact that are hundreds of similar cases
in our modules. It took Andrew and I a full day to work out that this
was the cause of a subtle segv in another part of the code.
To try to prevent this happening again, this patch changes
ldb_next_request() to catch the error by checking if a module
returning an error has called ldb_module_done(). If it hasn't then the
call is made on behalf of the module.
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When we fail a ldbadd or ldbedit we should cancel the transaction to
prevent ldb giving a warning about having a open transaction in the
ldb destructor
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So far it returns the ctr6 responce without proper linked attributes
support and metadata. A couple of improvements are the filter in the search
uses '(uSNChanged>=N)', added extended dn search support, non-replicated attributes
are excluded from the result.
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This replace the dsdb_syntax_FOOBAR_ldb_to_drsuapi function,
which was left as a TODO code. Implementation in both added functions
is completely identical and probably should differ in the future.
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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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We now show the total number of objects we have processed, which gives
the user a better idea of how much has been done. A vampire on a large
domain can take an hour or more (which needs to be fixed btw, it is a
problem with the lack of scalability of the ltdb index code). Watching
the same msg for an hour makes you wonder if any progress is being
made!
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The reason we need this is to make multi-tdb transactions safe, with
the partition module. The linked_attributes and repl_meta_data modules
now do extra processing when the transaction ends, and that processing
can fail. When it fails we need to cancel the transaction, which we
can only do if the hook is on the prepare commit instead of the end
transaction call. Otherwise the partition module cannot ensure that no
commit has been done on another partition.
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This will be used by the linked_attribute module
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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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This came from the linked_attributes module, but now the
repl_meta_data module needs the same functionality, so move it to a
common routine.
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Guenther
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I always found it hard to remember some of the options. We might as
well use popt to give us the full list
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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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The repl_meta_data module needs to be above the linked_attributes
module, to allow linked_attributes to do its magic
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We want to grab the whole database, or none of it.
This is also needed to get linked attributes right
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This allows the ldb tools to show their full command line options
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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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Two controls with the same OID makes no sense, as they may
have different data attached
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This helps a lot with debugging the DRS replication code
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We should always apply a whole set of DRS changes or none of them. See
[MS-DRSR] 3.3.2
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This function provides a easy function for displaying a ldb_message
structure in a human readable format. It is especially useful for
calling in gdb.
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- remove trailing spaces and tabs
- shorten some variable names for readability
- try to break superlong lines for readability
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One for getting attributes with DN syntax, one for getting forward
linked attributes and one for getting the list of partition
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Michael
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Guenther
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