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While this logic (avoiding to prefix a non-filename with a path) is
important in the code this was copied from (private_dir()), none of
the callers of this function need it.
Andrew Bartlett
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This allows us to change the escaping function without breaking
existing installs. The new escaping function (used for new databases)
is RFC1738 URI encoding, except for the trivial cases without special
characters.
The new databases are also placed in a subdirectory, sam.ldb.d per an
earlier suggestion by metze.
Andrew Bartlett
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Calling it from samdb_connect() can cause a stale schema to be put
into the global schema.
Thanks to Andrew Bartlett for spotting this.
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If we get an error ending a transaction on one partition we need to
continue on the other partitions.
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This means we need to create a fake 'module' which only has a 'next'
pointer, so that we can now ldb_next_request() (which incorporates
tracing). The remainaing stub of partition_request() is retained so
that we can indicate which partition an operation is destined for.
Similar tracing is added to the transaction handlers.
Andrew Bartlett
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The schema update now request is now handled above the partitions
module.
Andrew Bartlett
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Using common parameters means that the ldb_wrap code can return a
reference rather than a new database
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metze
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The async code makes this really easy to mess up...
Andrew Bartlett
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We again need to be careful not to call 'ldb_next_request' based functions in the partitions module.
Or, we need to instead go back to having that work, and ditch the
partition_request stuff...
Andrew Bartlett
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(it didn't help that the previous allocation was on the wrong long-term context)
Andrew Bartlett
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By splitting the module this way, we can load the schema at startup, after
the partitions module is operational, but we leave the 'mess with details of
entries in the partitions' module to operate only on the partitions module.
Loading the schema later allows us to set the @ATTRIBUTES correctly on all
the databases.
Andrew Bartlett
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This allows us to reuse a ldb context if it is open twice, instead
of going through the expensive process of a full ldb open. We can
reuse it if all of the parameters are the same.
The change relies on callers using talloc_unlink() or free of a parent
to close a ldb context.
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Similarly to system_session(), this creates a static
samdb_credentials()
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This patch adds a system_session cache, preventing us from having to
recreate it on every ldb open, and allowing us to detect when the same
session is being used in ldb_wrap
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Signed-off-by: Andrew Bartlett <abartlet@samba.org>
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This makes the namingContext attributes in the rootDSE a little more pretty, by
using the exact same values as used in the database DNs.
Andrew Bartlett
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This is needed because the work to allow existing databases to be loaded now
moves the 'you have an old @PARTITION' record to the presense or absence of
this attribute.
Andrew Bartlett
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On OpenSolaris MAP_RENAME and friends are defined in <sys/mman.h> e.g. mmap and friends. So on these systems MAP_* have a meaning. Cleaned up LDB name space by adding LDB_ in front of MAP_* e.g. MAP_RENAME => LDB_MAP_RENAME
Signed-off-by: Torgeir Lerkerød <torgeir.lerkerod@gmail.com>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
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This should make upgrades easier
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The previous code would fail if the caller used tdb:// in the URL for the
top-level database.
Andrew Bartlett
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This ensures that the partition control, needed here for repl_meta_data's
internal work, is not pushed up to other callers.
Andrew Bartlett
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This is a collection of fixes to allow the creation of new partitions,
as well as adding debugging that may be useful in chasing down future
failures.
Andrew Bartlett
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This is no longer required, as the instancetype module is now above
repl_meta_data.
Andrew Bartlett
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The problem here has been avoided in repl_meta_data, and so this is no
longer required.
Andrew Bartlett
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This major rework of repl_meta_data changes it from using a static
list of partitions to a dynamic list created from the controls placed
on returned ldb results.
To process these in one place, the similar but distinct callbacks are
combined into a single replmd_op_callback(), which handles both the
'normal operation' and 'inbound replication' case.
This allows new partitions to be created, and replication events for
these new partitions to be scheduled immediately.
Also in this commit: We no longer specify the target partition for new
or modified objects - instead we allow the partitions module to use
the DN as normal. THis avoids the issue where we would create two
partition head records.
Andrew Bartlett
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This means we don't return any control for modifications to the
control records in sam.ldb, but do if they modified one of the actual
data LDB files.
Andrew Bartlett
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This allows one instance of LDB to add a partition, and another to use
it without first closing the database.
Andrew Bartlett
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I see no reason to reload it when in a transaction - it can't change
on us anyway (we possibly need to watch for our own changes to
@PARTITION however)
Andrew Bartlett
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This uses the fact that the primary DB does not change often. Before
each operation, we see if the sequence number has changed.
Andrew Bartlett
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This helps us ensure we always set the metadata, even when we are
'adding' a partition that is already in our list. (We *really* don't
want these getting out of sync, and the extra writes are harmless)
Andrew Bartlett
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The issue here is that before we load the schema partition, we may not
have the correct casefolding rules. As such, keep things simple and
use the DN exactly as found in the @PARTITIONS record to find the
database.
Andrew Bartlett
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This is needed because the new format of the partitions record is a
casefolded DN, not a DN and file combination.
Andrew Bartlett
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I really don't want a cn=foo/../bar in my ldb file name.
Andrew Bartlett
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This allows the partition to be created before we try and set a
notification on it. (perhaps extra work required here for partition
heads).
Andrew Bartlett
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This is done by passing an extended operation to the partitions module
to extend the @PARTITION record and to extend the in-memory list of
partitions.
This also splits things up into module parts that belong above and below
repl_meta_data
Also slit the partitions module into two files due to the complexity
of the code
Andrew Barltett
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Nadya, I'm guessing you plan on adding some real elements to this
structure later. For now I've added _dummy so the build can continue
with the Solaris C compiler.
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