// \file SNFMilterConfig.hpp
//
// Copyright (C) 2011 ARM Research Labs, LLC.
// See www.armresearch.com for the copyright terms.
//
// This file defines the SNFMilterConfig interface.
//
// $Id$
//
///////////////////////////////////////////////////////////////////////////////////////////////////

#ifndef SNFMilterConfighpp_included
#define SNFMilterConfighpp_included

#include <string>

#include "UtilityConfig.hpp"
#include "PostfixIntegrate.hpp"

/// Class to manage the SNFMilter configuration.
//
// This class creates/maintains the sniffer configuration file, and
// integrates/unintegrates with MTAs.
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////
class SNFMilterConfig : public UtilityConfig {

public:

    /// Command.
    enum CommandEnum {
	IntegrateWithNoneCmd, ///< Remove integration with all MTAs.
	IntegrateWithPostfixCmd, ///< Integrate with postfix.
	IntegrateWithSendmailCmd ///< Integrate with sendmail.
    };

    /// Display usage.
    //
    // \param[in] Version is the SNFMilter version.
    //
    void DisplayHelp(std::string Version);

    /// Get the command-line input parameters for SNFMilter.
    //
    // \param[in] argc is the number of parameters.
    //
    // \param[in] argv is the parameters.
    //
    // \returns true if all the required command line parameters are
    // present and there are no unknown command-line parameters, false
    // otherwise.
    //
    bool GetCommandLineInput(int argc, char* argv[]);

    /// Create or update the configuration files.
    //
    // The SNFMilter.xml and GBUdbIgnoreList.txt files are created if
    // they don't exist.  In any case, the owner/group is changed by
    // SetOwnerGroup(), and the permissions are changed to readonly
    // for everyone, and read/write for the owner.
    //
    void UpdateConfigFiles();

    /// Execute the command to integrate/unintegrate with the MTAs.
    void DoIntegrationCommand();

private:

    /// Load the socket info (file name) from the <platform> section
    /// of the loaded config file.
    void LoadSocketInfo();

    void CreateSocketDir();

    PostfixIntegrate Postfix; ///< Postfix integration object.

    void IntegrateWithPostfix();  ///< Integrate with postfix.

    void UnintegrateWithPostfix(); ///< Unintegrate with postfix.

    void IntegrateWithSendmail(); ///< Integrate with sendmail.

    void UnintegrateWithSendmail(); ///< Unintegrate with sendmail.

    ///< Unintegrate with MTAs.
    //
    // Unintegrate with all MTAs except the specified MTA.
    //
    // \param[in] Except is the MTA to not integrate with.  The
    // acceptable values are:
    //
    // <ol>
    //   <li> "postfix" </li>
    //   <li> "" </li>
    // </ol>
    //
    // The default value is "", which specifies unintegration with all
    // MTAs.
    //
    void UnintegrateWithAllExcept(std::string Except = "");

    CommandEnum Command; ///< Specified command.

    static const std::string DefaultConfigFile; ///< Default config file.

    static const std::string DefaultSampleConfigFile; ///< Sample config file.

    std::string SocketFileName;

};

#endif