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https://issues.apache.org/jira/browse/KNOX-3485?focusedWorklogId=1044716&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-1044716
 ]

ASF GitHub Bot logged work on KNOX-3485:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 30/Sep/26 03:18
            Start Date: 30/Sep/26 03:18
    Worklog Time Spent: 10m 
      Work Description: handavid commented on code in PR #1428:
URL: https://github.com/apache/knox/pull/1428#discussion_r4140493230


##########
gateway-server/src/main/java/org/apache/knox/gateway/services/ldap/interceptor/LDAPRolesLookupInterceptor.java:
##########
@@ -78,21 +80,80 @@ public EntryFilteringCursor search(SearchOperationContext 
ctx) throws LdapExcept
             throw new LdapException(e);
         }
 
-        if (!entries.isEmpty()) {
-            for (Entry entry : entries) {
-                try {
+        final List<Entry> roleEntries = new ArrayList<>();
+        final List<Entry> resultEntries = new ArrayList<>(entries.size());
+        for (Entry entry : entries) {
+            try {
+                if (LdapUtils.isGroupEntry(entry)) {
+                    roleEntries.addAll(translateGroupEntry(entry));
+                } else {
                     final String username = 
LdapUtils.extractUsernameFromEntry(entry, "uid", "cn");
                     final Set<String> groups = fetchGroups(entry);
                     final Collection<String> roles = 
rolesLookupService.lookupRoles(username, groups);
                     modifyEntry(entry, roles);
-                } catch (Exception e) {
-                    LOG.ldapRolesLookupFailed("Error while updating entry with 
roles lookup results", e);
-                    throw new LdapException(e);
+                    resultEntries.add(entry);
+                }
+            } catch (Exception e) {
+                LOG.ldapRolesLookupFailed(entry.getDn().getName(), e);
+                throw new LdapException(e);
+            }
+        }
+        resultEntries.addAll(deduplicate(roleEntries));
+
+        return new EntryFilteringCursorImpl(new ListCursor<>(resultEntries), 
ctx, ctx.getSession().getDirectoryService().getSchemaManager());
+    }
+
+    private Collection<? extends Entry> deduplicate(List<Entry> roleEntries) 
throws LdapException {
+        Map<Dn, Entry> dedup = new HashMap<>();
+        for (Entry entry : roleEntries) {
+            Dn dn = entry.getDn();
+            if (!dedup.containsKey(dn)) {
+                dedup.put(dn, entry);
+            } else {
+                combineGroupEntry(dedup.get(dn), entry);
+            }
+        }
+        return dedup.values();
+    }
+
+    private void combineGroupEntry(Entry entry1, Entry entry2) throws 
LdapException {

Review Comment:
   updated to create a blank entry instead of cloning. then both members and 
uniqueMembers are added as members of the new entry.



##########
gateway-server/src/main/java/org/apache/knox/gateway/services/ldap/backend/FilterMappingVisitor.java:
##########
@@ -68,6 +74,17 @@ private Object handleLeafNode(LeafNode leafNode) {
             
leafNode.setAttributeType(schemaManager.getAttributeType(userIdentifierAttribute));
         }
 
+        // Map the dn-valued attributes from the proxy base dn to remote base 
dn
+        if 
(DN_VALUED_ATTRIBUTES.contains(currentAttribute.toLowerCase(Locale.ROOT))) {

Review Comment:
   fixed





Issue Time Tracking
-------------------

    Worklog Id:     (was: 1044716)
    Time Spent: 40m  (was: 0.5h)

> LDAP Proxy should apply role mapping to Group entries
> -----------------------------------------------------
>
>                 Key: KNOX-3485
>                 URL: https://issues.apache.org/jira/browse/KNOX-3485
>             Project: Apache Knox
>          Issue Type: Improvement
>          Components: Server
>    Affects Versions: 3.1.0
>            Reporter: David Han
>            Assignee: David Han
>            Priority: Major
>             Fix For: 3.1.0
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> The LDAPRolesLookupInterceptor only transforms the memberOf attribute in user 
> entries. This interceptor should also replace group entries with their 
> corresponding mapped role entries.



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