diff -uNr ruby-ldap-0.8.3.orig/conn.c ruby-ldap-0.8.3/conn.c
--- ruby-ldap-0.8.3.orig/conn.c	2004-11-11 18:47:46.269222632 -0800
+++ ruby-ldap-0.8.3/conn.c	2004-11-11 18:27:48.758271968 -0800
@@ -1286,6 +1286,7 @@
   rb_ldap_conn_define_method("err", rb_ldap_conn_err, 0);
 
 #if defined(HAVE_LDAPCONTROL)
+  rb_require("ldap/control");
 #if defined(HAVE_LDAP_SEARCH_EXT_S)
   rb_ldap_conn_define_method("search_ext", rb_ldap_conn_search_ext_s, -1);
   rb_ldap_conn_define_method("search_ext2", rb_ldap_conn_search_ext2_s, -1);
diff -uNr ruby-ldap-0.8.3.orig/lib/ldap/control.rb ruby-ldap-0.8.3/lib/ldap/control.rb
--- ruby-ldap-0.8.3.orig/lib/ldap/control.rb	1969-12-31 16:00:00.000000000 -0800
+++ ruby-ldap-0.8.3/lib/ldap/control.rb	2004-11-11 18:46:07.339262272 -0800
@@ -0,0 +1,46 @@
+# Manipulation of LDAP control data.
+#
+# Copyright (C) 2004 Ian Macdonald <ian@caliban.org>
+#
+
+module LDAP
+  class Control
+
+    require 'openssl'
+
+    # Produce an Array of values in ASN.1 format and then convert
+    # the Array to DER.
+    #
+    def Control.encode( *vals )
+      encoded_vals = []
+     
+      vals.each do |val|
+        encoded_vals <<
+          case val
+          when Integer
+            OpenSSL::ASN1::Integer( val )
+          when String
+            OpenSSL::ASN1::OctetString.new( val )
+          else
+            # What other types may exist?
+          end
+      end
+   
+      OpenSSL::ASN1::Sequence.new( encoded_vals ).to_der
+    end
+
+
+    # Take an Array of ASN.1 data and return an Array of decoded values.
+    #
+    def decode
+      values = []
+
+      OpenSSL::ASN1::decode( self.value ).value.each do |val|
+	values << val.value
+      end
+
+      values
+    end
+
+  end
+end