question: dynamic groups / reverse group membership

["Andreas Schoe" <andi@gfz-potsdam.de>]

Hello,

one question about dynamic groups.

Explanation:

I think the configuration of dynamic groups is more 
flexible than the static method (memberof).
I can create any ldapserch to get a list depending on all 
kind of attributes or objectclasses. If I configure the 
reverse group
membership overlay I have to use the dn of the group and 
the dn of the entry. To change the objectclasses
on which the memberof attribute depends or change the 
attribute name on which the dn depends is possible, but 
thats it.

Example (static):
dn: cn=testgroup,ou=Groups,dc=example
uniqueMember: uid=testuser,ou=People,dc=example
...

dn: uid=testuser,ou=People,dc=example
memberOf: cn=testgroup,ou=Groups,dc=example
...

In that example the configuration is for both sides. If I 
add a Member to cn=testgroup the memberOf is add to
uid=testuser and if I add a Group to uid=testuser the 
uniqueMember is add to cn=testgroup.

Example (dynamic):
dn: cn=testgroup,ou=Groups,dc=example
labeldURI: 
ldap:///ou=people,dc=example??one?(&(objectclass=person)(departmentNumber=test))
uniqueMember: uid=testuser,ou=People,dc=example
...

dn: uid=testuser,ou=People,dc=example
departmentNumber: test
...

In that example the group attribute (departementNumber) is 
mapped to a specific groupname (cn).

With static groups I can do a search like that:
ldapsearch -h ldap -b dc=example 
'(uniquemember=uid=testuser,ou=People,dc=example)' dn

With dynamic groups the search result is empty because the 
entry (uniquemember) doesn't exists in the underlying DB.

Question:

Is it possible to copy/configure the behavior from dynamic 
groups to reverse group membership?
I have some applications that use searches with 
'(uniquemember=uid={uid},dc=example)'. These applications 
need the static entries.