/* Copyright (C) CJ Affiliate
 *
 * You may use, distribute and modify this code under  the
 * terms of the  GNU General Public License  version 2  or
 * later.
 *
 * You should have received a copy of the license with this
 * file. If not, you will find a copy in the "LICENSE" file
 * at https://github.com/cjdev/dual-control.
 */

/* PAM handlers class interface. The methods on the dual control class
 * correspond directly to the specified PAM handler entrypoints.
 *
 * See "dual_control_integrate.cc"
 */

#ifndef _DUAL_CONTROL_H
#define _DUAL_CONTROL_H

#include <memory>

#include "request.h"
#include "validator.h"
#include "conversation.h"
#include "logger.h"
#include "session.h"

struct dual_control_configuration {
    class validator validator;
    class conversation conversation;
    class logger logger;
    class sessions sessions;
};

class dual_control_ifc
{
public:
    virtual ~dual_control_ifc() {}
    virtual int authenticate (const pam_request &request);
    virtual int setcred (const pam_request &request);
};

class dual_control
{
private:
    std::shared_ptr<dual_control_ifc> delegate_;
public:
    dual_control (std::shared_ptr<dual_control_ifc> delegate) : delegate_
        (delegate) {}
    dual_control() : dual_control (std::make_shared<dual_control_ifc>
                                       ()) {}
    int authenticate (const pam_request &request)
    {
        return delegate_->authenticate (request);
    }
    int setcred (const pam_request &request)
    {
        return delegate_->setcred (request);
    }
    static dual_control create (const dual_control_configuration
                                &configuration);

};

#endif