Sandor Molnar created KNOX-3328:
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Summary: 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
Fix For: 3.0.0
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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