~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2008 Brian Aker

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <drizzled/server_includes.h>

#include <drizzled/authentication.h>

#include <drizzled/gettext.h>

static bool are_plugins_loaded= false;

static bool authenticate_by(Session *session, plugin_ref plugin, void* p_data)

{

  const char *password= (const char *)p_data;

  authentication_st *auth= plugin_data(plugin, authentication_st *);

  (void)p_data;

  if (auth && auth->authenticate)

  {

    if (auth->authenticate(session, password))

      return true;

  }

  return false;

}

bool authenticate_user(Session *session, const char *password)

{

  /* If we never loaded any auth plugins, just return true */

  if (are_plugins_loaded != true)

    return true;

  return plugin_foreach(session, authenticate_by, DRIZZLE_AUTH_PLUGIN, (void *)password);

}

int authentication_initializer(st_plugin_int *plugin)

{

  authentication_st *authen;

  if ((authen= (authentication_st *)malloc(sizeof(authentication_st))) == 0)

      return(1);

  memset(authen, 0, sizeof(authentication_st));

  if (plugin->plugin->init)

  {

    if (plugin->plugin->init(authen))

    {

      sql_print_error(_("Plugin '%s' init function returned error."),

                      plugin->name.str);

      goto err;

    }

  }

  plugin->data= (void *)authen;

  are_plugins_loaded= true;

  return(0);

err:

  free(authen);

  return(1);

}

int authentication_finalizer(st_plugin_int *plugin)

{

  authentication_st *authen= (authentication_st *)plugin->data;

  assert(authen);

  if (authen && plugin->plugin->deinit)

    plugin->plugin->deinit(authen);

  free(authen);

  return(0);

}