"ghost" references (ITS#1837)

[norbert.klasen@daasi.de]

Full_Name: Norbert Klasen
Version: head
OS: SuSE Linux 7.3
URL: 
Submission from: (NULL) (62.104.216.72)


Hi,
with OpenLDAP 2.1head and a BDB backend we get search references for a referral
entry located at the top level when doing one level searches on leaf objects in
other parts of the DIT. To recreate:

dn: c=DE
objectClass: country
c: DE

dn: o=RWTH Aachen,c=DE
objectClass: organization
o: RWTH Aachen

dn: ou=Informatik,o=RWTH Aachen,c=DE
objectClass: organizationalUnit
ou: Informatik

dn: o=Universität Tübingen,c=DE
objectClass: referral
objectClass: extensibleObject
o: Universität Tübingen
ref: ldap://x5001.uni-tuebingen.de/


ldapsearch  -b "ou=informatik,o=RWTH Aachen,c=DE" -s one     
SASL/GSSAPI authentication started
SASL SSF: 56
SASL installing layers
version: 2

#
# filter: (objectclass=*)
# requesting: ALL
#

# search reference
ref: ldap://x5001.uni-tuebingen.de/o=Universit%C3%A4t%20T%C3%BCbingen,c=DE??ba
 se

# search result
search: 5
result: 0 Success

# numResponses: 2
# numReferences: 1