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GUACAMOLE-580: Merge changes ensuring null return values from JLDAP are properly handled when reading attributes.

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This commit is contained in:
Michael Jumper
2018-06-25 10:32:15 -07:00
parent a9637494ac 2da0405798
commit d67efbaf04
1 changed files with 12 additions and 3 deletions
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15
extensions/guacamole-auth-ldap/src/main/java/org/apache/guacamole/auth/ldap/AuthenticationProviderService.java
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@@ -26,6 +26,7 @@ import com.novell.ldap.LDAPAttributeSet;
import com.novell.ldap.LDAPConnection;
import com.novell.ldap.LDAPEntry;
import com.novell.ldap.LDAPException;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@@ -249,7 +250,8 @@ public class AuthenticationProviderService {
/**
* Returns all custom LDAP attributes on the user currently bound under
* the given LDAP connection. The custom attributes are specified in
* guacamole.properties.
* guacamole.properties. If no attributes are specified or none are
* found on the LDAP user object, an empty map is returned.
*
* @param ldapConnection
* LDAP connection to find the custom LDAP attributes.
@@ -260,7 +262,9 @@ public class AuthenticationProviderService {
* @return
* All attributes on the user currently bound under the
* given LDAP connection, as a map of attribute name to
* corresponding attribute value.
* corresponding attribute value, or an empty map if no
* attributes are specified or none are found on the user
* object.
*
* @throws GuacamoleException
* If an error occurs retrieving the user DN or the attributes.
@@ -273,7 +277,7 @@ public class AuthenticationProviderService {
// If there are no attributes there is no reason to search LDAP
if (attrList == null || attrList.isEmpty())
return null;
return Collections.<String, String>emptyMap();
// Build LDAP query parameters
String[] attrArray = attrList.toArray(new String[attrList.size()]);
@@ -283,7 +287,12 @@ public class AuthenticationProviderService {
try {
// Get LDAP attributes by querying LDAP
LDAPEntry userEntry = ldapConnection.read(userDN, attrArray);
if (userEntry == null)
return Collections.<String, String>emptyMap();
LDAPAttributeSet attrSet = userEntry.getAttributeSet();
if (attrSet == null)
return Collections.<String, String>emptyMap();
// Add each attribute into Map
for (Object attrObj : attrSet) {