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diff --git a/qpid/cpp/src/qpid/broker/SaslAuthenticator.h b/qpid/cpp/src/qpid/broker/SaslAuthenticator.h
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+++ b/qpid/cpp/src/qpid/broker/SaslAuthenticator.h
@@ -0,0 +1,64 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+#ifndef _SaslAuthenticator_
+#define _SaslAuthenticator_
+
+
+#include "qpid/framing/amqp_types.h"
+#include "qpid/framing/AMQP_ClientProxy.h"
+#include "qpid/Exception.h"
+#include "qpid/sys/SecurityLayer.h"
+#include <memory>
+#include <vector>
+#include <boost/bind.hpp>
+#include <boost/function.hpp>
+
+namespace qpid {
+namespace broker {
+
+class Connection;
+
+class SaslAuthenticator
+{
+public:
+    virtual ~SaslAuthenticator() {}
+    virtual void getMechanisms(framing::Array& mechanisms) = 0;
+    virtual void start(const std::string& mechanism, const std::string& response) = 0;
+    virtual void step(const std::string& response) = 0;
+    virtual void getUid(std::string&) {}
+    virtual bool getUsername(std::string&) { return false; };
+    virtual void getError(std::string&) {}
+    virtual std::auto_ptr<qpid::sys::SecurityLayer> getSecurityLayer(uint16_t maxFrameSize) = 0;
+
+    static bool available(void);
+
+    // Initialize the SASL mechanism; throw if it fails.
+    static void init(const std::string& saslName, std::string const & saslConfigPath );
+    static void fini(void);
+
+    static std::auto_ptr<SaslAuthenticator> createAuthenticator(Connection& connection, bool isShadow);
+
+    virtual void callUserIdCallbacks() { }
+};
+
+}}
+
+#endif