[jboss-jira] [JBoss JIRA] (ELY-756) Elytron ldap-realm does not support recursive role search

[Jan Kalina (JIRA)]

    [ https://issues.jboss.org/browse/ELY-756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13324416#comment-13324416 ] 

Jan Kalina commented on ELY-756:
--------------------------------

Should be sufficient to just add attribute "recursive-depth" to the filtered attribute. It would look like:
{code:xml}
<attribute recursive-depth="1" as-rdn="cn" filter="(&amp;(objectClass=groupOfNames)(member={0}))" filter-base-dn="ou=Roles,dc=jboss,dc=org" to="roles"/>
{code}
* Default value of "recursive-depth" woud be 0 = no recursion, only direct groups
* Value 1 for R1,R2 as above.
Recursive group will be searched using the same filter-base-dn+filter, only into wildcard will be passed DN of the group instead of user
* Or do you think standalone filter+base-dn for search of group of group can be useful? (different "member" attribute for users and for another groups?)

> Elytron ldap-realm does not support recursive role search
> ---------------------------------------------------------
>
>                 Key: ELY-756
>                 URL: https://issues.jboss.org/browse/ELY-756
>             Project: WildFly Elytron
>          Issue Type: Bug
>          Components: Realms
>    Affects Versions: 1.1.0.Beta13
>            Reporter: Ondrej Lukas
>            Assignee: Jan Kalina
>            Priority: Blocker
>
> Scenario:
> LDAP can include some roles which are members of other roles. I try to assigned also these "nested roles" to user during authentication/authorization process. 
> In EAP 7.0 (with PicketBox) I am able to set configuration, which allows to assign these roles to user. LdapExtLoginModule with module option {{roleRecursion}} serves for this. It uses int value which determines how many levels should be searched and assigned to user. I am not able to achieve this scenario with Elytron and its ldap-realm.
> Missing this feature in Elytron can lead to situation when migration from PicketBox to Elytron will not be possible since LDAP structure for role assignment used by legacy solution will not be able to work correctly with Elytron.  
> See example of LDIF for LDAP server:
> {code}
> dn: ou=People,dc=jboss,dc=org
> objectclass: top
> objectclass: organizationalUnit
> ou: People
> dn: uid=jduke,ou=People,dc=jboss,dc=org
> objectclass: top
> objectclass: person
> objectclass: inetOrgPerson
> uid: jduke
> cn: Java Duke
> sn: Duke
> userPassword: Password1
> dn: ou=Roles,dc=jboss,dc=org
> objectclass: top
> objectclass: organizationalUnit
> ou: Roles
> dn: cn=R1,ou=Roles,dc=jboss,dc=org
> objectclass: top
> objectclass: groupOfNames
> cn: R1
> member: uid=jduke,ou=People,dc=jboss,dc=org
> description: the R1 group
> dn: cn=R2,ou=Roles,dc=jboss,dc=org
> objectclass: top
> objectclass: groupOfNames
> cn: R2
> member: cn=R1,ou=Roles,dc=jboss,dc=org
> description: the R2 group
> dn: cn=R3,ou=Roles,dc=jboss,dc=org
> objectclass: top
> objectclass: groupOfNames
> cn: R3
> member: cn=R2,ou=Roles,dc=jboss,dc=org
> description: the R3 group
> {code}
> In Elytron I am able to assigned only {{R1}} role to user jduke. Legacy solution is able to use for example {{roleRecursion=1}} which results to assign roles {{R1}} and {{R2}} to user jduke.



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