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diff --git a/tdeioslave/smtp/smtp.h b/tdeioslave/smtp/smtp.h
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+++ b/tdeioslave/smtp/smtp.h
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+/* -*- c++ -*-
+ * Copyright (c) 2000, 2001 Alex Zepeda <[email protected]>
+ * Copyright (c) 2001 Michael H�ckel <[email protected]>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#ifndef _SMTP_H
+#define _SMTP_H
+
+#include <tdeio/tcpslavebase.h>
+
+#include "capabilities.h"
+
+#include <tqstring.h>
+#include <tqptrqueue.h>
+
+class KURL;
+class TQCString;
+template <typename T> class TQMemArray;
+#ifdef USE_QT3
+typedef TQMemArray<char> TQByteArray;
+#endif // USE_QT3
+
+namespace KioSMTP {
+  class Response;
+  class TransactionState;
+  class Command;
+}
+
+class SMTPProtocol : public TDEIO::TCPSlaveBase {
+  friend class KioSMTP::Command;
+public:
+  SMTPProtocol(const TQCString & pool, const TQCString & app, bool useSSL);
+  virtual ~ SMTPProtocol();
+
+  virtual void setHost(const TQString & host, int port,
+                       const TQString & user, const TQString & pass);
+
+  virtual void special(const TQByteArray & aData);
+  virtual void put(const KURL & url, int permissions, bool overwrite,
+                   bool resume);
+  virtual void stat(const KURL & url);
+  virtual void openConnection();
+  virtual void closeConnection();
+
+protected:
+
+  bool smtp_open(const TQString& fakeHostname = TQString::null);
+
+  /** Closes the connection. If @p nice is true (default), then QUIT
+      is sent and it's reponse waited for. */
+  void smtp_close( bool nice=true );
+
+  /** Execute command @p cmd */
+  bool execute( KioSMTP::Command * cmd, KioSMTP::TransactionState * ts=0 );
+  /** Execute a command of type @p type */
+  bool execute( int type, KioSMTP::TransactionState * ts=0 );
+  /** Execute the queued commands. If something goes horribly wrong
+      (sending command oline fails, getting response fails or some
+      command raises the failedFatally() flag in @p ts, shuts down the
+      connection with <code>smtp_close( false )</code>. If The
+      transaction fails gracefully (<code>ts->failed()</code> is
+      true), issues a RSET command.
+
+      @return true if transaction succeeded, false otherwise.
+  **/
+  bool executeQueuedCommands( KioSMTP::TransactionState * ts );
+
+  /** Parse a single response from the server. Single- vs. multiline
+      responses are correctly detected.
+
+      @param ok if not 0, returns whether response parsing was
+                successful. Don't confuse this with negative responses
+                (e.g. 5xx), which you can check for using
+                @ref Response::isNegative()
+      @return the @ref Response object representing the server response.
+  **/
+  KioSMTP::Response getResponse( bool * ok );
+
+  bool authenticate();
+  void parseFeatures( const KioSMTP::Response & ehloResponse );
+
+  bool sendCommandLine( const TQCString & cmd );
+  TQCString collectPipelineCommands( KioSMTP::TransactionState * ts );
+  bool batchProcessResponses( KioSMTP::TransactionState * ts );
+
+  /** This is a pure convenience wrapper around
+      @ref KioSMTP::Capabilities::have() */
+  bool haveCapability( const char * cap ) const {
+    return mCapabilities.have( cap );
+  }
+
+  /** @return true is pipelining is available and allowed by metadata */
+  bool canPipelineCommands() const {
+    return haveCapability("PIPELINING") && metaData("pipelining") != "off" ;
+  }
+
+  /** Wrapper around getsockopt(..., SO_SNDBUF,...) */
+  unsigned int sendBufferSize() const;
+
+  /** This is a pure convenience wrapper around
+      @ref KioSMTP::Capabilities::createSpecialResponse */
+  TQString createSpecialResponse() const {
+    return mCapabilities.createSpecialResponse( usingTLS() || haveCapability( "STARTTLS" ) );
+  }
+
+  void queueCommand( KioSMTP::Command * command ) {
+    mPendingCommandQueue.enqueue( command );
+  }
+  void queueCommand( int type );
+
+  unsigned short m_iOldPort;
+  bool m_opened;
+  TQString m_sServer, m_sOldServer;
+  TQString m_sUser, m_sOldUser;
+  TQString m_sPass, m_sOldPass;
+  TQString m_hostname;
+
+  KioSMTP::Capabilities mCapabilities;
+
+  typedef TQPtrQueue<KioSMTP::Command> CommandQueue;
+  CommandQueue mPendingCommandQueue;
+  CommandQueue mSentCommandQueue;
+};
+
+#endif // _SMTP_H