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syncrepl root suffix issue when updatedn != rootdn (ITS#3056)
Full_Name: Kartik Subbarao
OS: Red Hat Linux 7.3
Submission from: (NULL) (18.104.22.168)
The OpenLDAP 2.2 Administrator's guide recommends setting the updatedn in a
syncrepl consumer to NOT be the same as the rootdn.
The updatedn parameter specifies the DN in the consumer site which is allowed to
make changes to the replica. [...] The DN should have read/write access to the
replica database. Generally, this DN should not be the same as rootdn.
However, when I do this, and try to initialize a consumer from scratch (start it
up with no data, and suck over all of the entries the first time it starts up),
I find that the root suffix entry is not properly created on the consumer
server. I get the following error in the consumer debug log:
bdb_add: suffix denied
This is due to the check that happens at line 301 in
if (( !be_isroot( op->o_bd, &op->o_ndn ) || pdn.bv_len > 0 )
&& !is_entry_glue( op->oq_add.rs_e ))
Since the updatedn is NOT the same as the rootdn, this condition triggers,
causing the suffix entry not to be added properly as a structural object (It
gets added later as a "glue" object which is not the desired behavior).
It would appear that the code is out of sync with the intended design for
syncrepl. I agree with the Administrator's guide that the updatedn should NOT in
general be the same as the rootdn.
The workaround in the meantime is to set the updatedn to be the same as the