[
https://issues.apache.org/jira/browse/KNOX-3328?focusedWorklogId=1023137&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1023137
]
ASF GitHub Bot logged work on KNOX-3328:
----------------------------------------
Author: ASF GitHub Bot
Created on: 01/Jun/26 15:48
Start Date: 01/Jun/26 15:48
Worklog Time Spent: 10m
Work Description: smolnar82 commented on PR #1236:
URL: https://github.com/apache/knox/pull/1236#issuecomment-4594208311
Additional tests using `ldapsearch`:
```
~/test/knoxGateway $ ldapsearch -x -H ldap://localhost:33390 -b
"dc=hadoop,dc=apache,dc=org" "(uid=admin)" cn mail memberOf
# extended LDIF
#
# LDAPv3
# base <dc=hadoop,dc=apache,dc=org> with scope subtree
# filter: (uid=admin)
# requesting: cn mail memberOf
#
# admin, people, hadoop.apache.org
dn: uid=admin,ou=people,dc=hadoop,dc=apache,dc=org
mail: [email protected]
cn: System Administrator
memberOf: cn=admin,ou=groups,dc=hadoop,dc=apache,dc=org
# search result
search: 2
result: 0 Success
# numResponses: 2
# numEntries: 1
```
```
~/test/knoxGateway $ ldapsearch -x -H ldap://localhost:33390 -b
"dc=hadoop,dc=apache,dc=org" "(uid=guest)" cn mail memberOf
# extended LDIF
#
# LDAPv3
# base <dc=hadoop,dc=apache,dc=org> with scope subtree
# filter: (uid=guest)
# requesting: cn mail memberOf
#
# guest, people, hadoop.apache.org
dn: uid=guest,ou=people,dc=hadoop,dc=apache,dc=org
mail: [email protected]
cn: Guest
# search result
search: 2
result: 0 Success
# numResponses: 2
# numEntries: 1
```
```
~/test/knoxGateway $ ldapsearch -x -H ldap://localhost:33390 -b
"dc=hadoop,dc=apache,dc=org" "(uid=recursiveUser)" cn mail memberOf
# extended LDIF
#
# LDAPv3
# base <dc=hadoop,dc=apache,dc=org> with scope subtree
# filter: (uid=recursiveUser)
# requesting: cn mail memberOf
#
# recursiveUser, people, hadoop.apache.org
dn: uid=recursiveUser,ou=people,dc=hadoop,dc=apache,dc=org
cn: Recursive
memberOf: cn=level1,ou=groups,dc=hadoop,dc=apache,dc=org
memberOf: cn=level2,ou=groups,dc=hadoop,dc=apache,dc=org
memberOf: cn=level3,ou=groups,dc=hadoop,dc=apache,dc=org
```
Issue Time Tracking
-------------------
Worklog Id: (was: 1023137)
Time Spent: 4h 10m (was: 4h)
> Support recursive group resolution in LDAP Proxy Service
> --------------------------------------------------------
>
> Key: KNOX-3328
> URL: https://issues.apache.org/jira/browse/KNOX-3328
> Project: Apache Knox
> Issue Type: Improvement
> Components: Server
> Affects Versions: 3.0.0
> Reporter: Sandor Molnar
> Assignee: Sandor Molnar
> Priority: Major
> Fix For: 3.0.0
>
> Time Spent: 4h 10m
> Remaining Estimate: 0h
>
> The current Knox LDAP proxy implementation only supports direct group
> memberships for users. When a client queries for a user's {{memberOf}}
> attribute, Knox only returns the groups where the user is an explicit member,
> ignoring any transitive or nested group memberships.
> Additionally, group entries themselves are not enriched with the {{memberOf}}
> attribute, making it difficult for clients to walk the hierarchy manually.
> This task implements:
> # Recursive group resolution for both search-based and {{memberOf}}-based
> lookups.
> # Strict cycle detection to prevent infinite loops in misconfigured LDAP
> environments.
> # Configurable depth limits to prevent performance degradation.
> # Enrichment of group-type entries with the {{memberOf}} attribute, allowing
> clients to see parent group memberships.
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