LDAP: Update changed users and fix UTF-8 name

request-tracker/templates/RT_SiteConfig.d/70-ldap.pm.j2

@@ -4,9 +4,19 @@ Set($LDAPUser,'{{rt_ldapuser}}');
 Set($LDAPPassword,'{{ rt_ldap_password }}');
 Set($LDAPBase,'{{rt_ldapbase}}');
 Set($LDAPFilter, '(&(objectClass=user)(!(objectClass=computer))(uidNumber=*)(unixHomeDirectory=*)(!(userAccountControl:1.2.840.113556.1.4.803:=2)))');
+Set($LDAPOptions, [raw => qr/(displayName)/]);
+Set($LDAPUpdateUsers, 1);
 Set($LDAPMapping, {Name         => 'sAMAccountName', # required
                    EmailAddress => 'mail',
-                   RealName     => 'displayName',
+                   RealName     => sub {
+		       use Encode qw(decode);
+		       my %args = @_;
+		       my @values = grep defined && length, $args{'ldap_entry'}->get_value('displayName');
+		       foreach my $v (@values) {
+			   $v = decode('UTF-8', $v);
+		       }
+		       return @values;
+                   },
                    WorkPhone    => 'telephoneNumber',
                    Organization => 'departmentName'});