/* 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.
 */

#ifndef _PAM_H
#define _PAM_H
#include <memory>
#include <vector>
#include <security/pam_modules.h>

class pam_ifc
{
public:
    virtual ~pam_ifc() {}
    virtual int get_user (pam_handle *handle, const char **out) const
    {
        return PAM_SERVICE_ERR;
    }
    virtual int get_conv (pam_handle *handle, const pam_conv **out) const
    {
        return PAM_SERVICE_ERR;
    }
};

class pam
{
    typedef std::shared_ptr<pam_ifc> delegate;
private:
    delegate delegate_;
public:
    pam (const delegate &delegate) : delegate_ (delegate) {}
    pam() : pam (delegate (new pam_ifc)) {}
    int get_user (pam_handle *handle, const char **out) const
    {
        return delegate_->get_user (handle, out);
    }
    int get_conv (pam_handle *handle, const pam_conv **out) const
    {
        return delegate_->get_conv (handle, out);
    }
    static pam create();
};

#endif