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diff --git a/src/ceph/src/auth/AuthClientHandler.h b/src/ceph/src/auth/AuthClientHandler.h
new file mode 100644
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--- /dev/null
+++ b/src/ceph/src/auth/AuthClientHandler.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2009 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software 
+ * Foundation.  See file COPYING.
+ * 
+ */
+
+#ifndef CEPH_AUTHCLIENTHANDLER_H
+#define CEPH_AUTHCLIENTHANDLER_H
+
+
+#include "auth/Auth.h"
+#include "common/RWLock.h"
+
+class CephContext;
+struct MAuthReply;
+class RotatingKeyRing;
+
+class AuthClientHandler {
+protected:
+  CephContext *cct;
+  EntityName name;
+  uint64_t global_id;
+  uint32_t want;
+  uint32_t have;
+  uint32_t need;
+  RWLock lock;
+
+public:
+  explicit AuthClientHandler(CephContext *cct_)
+    : cct(cct_), global_id(0), want(CEPH_ENTITY_TYPE_AUTH), have(0), need(0),
+      lock("AuthClientHandler::lock") {}
+  virtual ~AuthClientHandler() {}
+
+  void init(const EntityName& n) { name = n; }
+  
+  void set_want_keys(__u32 keys) {
+    RWLock::WLocker l(lock);
+    want = keys | CEPH_ENTITY_TYPE_AUTH;
+    validate_tickets();
+  }
+
+  virtual int get_protocol() const = 0;
+
+  virtual void reset() = 0;
+  virtual void prepare_build_request() = 0;
+  virtual int build_request(bufferlist& bl) const = 0;
+  virtual int handle_response(int ret, bufferlist::iterator& iter) = 0;
+  virtual bool build_rotating_request(bufferlist& bl) const = 0;
+
+  virtual AuthAuthorizer *build_authorizer(uint32_t service_id) const = 0;
+
+  virtual bool need_tickets() = 0;
+
+  virtual void set_global_id(uint64_t id) = 0;
+protected:
+  virtual void validate_tickets() = 0;
+};
+
+
+extern AuthClientHandler *get_auth_client_handler(CephContext *cct,
+				      int proto, RotatingKeyRing *rkeys);
+
+#endif
+