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This avoids keeping a counter, which can be error-prone.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
The ldb_cache startup code would previously not take a read lock
nor a sufficiently wide write transaction.
The new code takes a read lock, and if it needs to write takes a
write lock (transaction) and re-reads before continuing.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
We need to enforce the GUID index mode so end-users do not get a supprise
in mid-operation and we enforce a max key length of 511 so that the
index key trunctation is done correctly.
Otherwise the DB will appear to work until a very long key (DN or index)
is used, after which it will be sad.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
With the changes to make samba python code Py2/Py3 compatible there
now are many instances where string content is decoded.
Decoded string variables in Py2 are returned as the unicode type. Many
Py2 c-module functions that take string arguments only check for the
string type. However now it's quite possibe the content formally passed
as a string argument is now passed as unicode after being decoded,
such arguments are rejected and code can fail subtly. This only affects
places where the type is directly checked e.g. via PyStr_Check etc.
arguments that are parsed by ParseTuple* functions generally already
accept both string and unicode (if 's', 'z', 's*' format specifiers
are used)
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
With the changes to make samba python code Py2/Py3 compatible there
now are many instances where string content is decoded.
Decoded string variables in Py2 are returned as the unicode type. Many
Py2 c-module functions that take string arguments only check for the
string type. However now it's quite possibe the content formally passed
as a string argument is now passed as unicode after being decoded,
such arguments are rejected and code can fail subtly. This only affects
places where the type is directly checked e.g. via PyStr_Check etc.
arguments that are parsed by ParseTuple* functions generally already
accept both string and unicode (if 's', 'z', 's*' format specifiers
are used)
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
tevent_req_set_endtime internally already calls tevent_req_nomem and thus sets
the error status correctly.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
ldb_wrap.c was missing unistd.h causing implicit symbol declaration and error
during compilation.
Signed-off-by: William Brown <william@blackhats.net.au>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Simo Sorce <idra@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
In py3, iterxxx methods are removed.
Signed-off-by: Joe Guo <joeg@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
sam.ldb is handled in samdb_connect_url(), not this function.
This cache caused issues when "private dir" was changed in a testing script, but also
just generates many-owner shared mutable state that is frowned upon these days.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Writing to a TDB, without locks (these are per-process) in a forked child is never going to
end well, if a transaction is open at this point we have bigger problems.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This matches the AD DC with the behaviour in smbd.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Apr 11 04:03:07 CEST 2018 on sn-devel-144
This is a lot quicker on large, fragmented databases. tdb_delete can
leave the freelist in a fragmented mess.
Also, it's a lot more robust: I've got a 4GB tdb file that was affected
by the problem fixed with c7211882a7. These databases have large space
at the end that is not part of any record or freelist
entry. tdb_wipe_all converts this space into a freelist entry. One
downside is that with those broken databases (which should not happen
after c7211882a7) have unallocated blocks in their file range after
this operation.
I think the speed advantage outweighs this disadvantage.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Fri Apr 6 14:58:48 CEST 2018 on sn-devel-144
Add tests for the behaviour the ldb layer expects the key value layer to
provide. This should make it easier to add another KV store
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This avoids magic numbers and also is careful against overflow
from a long attr_for_dn.
This is done as a distinct commit to make the previous behaviour
change more clear, and to show that this does not change the
calculations, only improves the overflow check.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
These are tests are specifically for when the GUID index is not in use
which is always in with ldb_mdb.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
* Use atexit() again instead of a library destructor
(bug #13366)
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Apr 5 15:53:16 CEST 2018 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13335
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu Apr 5 07:53:10 CEST 2018 on sn-devel-144
The re-index traverse can abort part-way though and we need to ensure
that the transaction is never committed as that will leave an un-useable db.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13335
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Apr 4 03:51:00 CEST 2018 on sn-devel-144
Look at the other SAFE_FREE's in this function...
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
