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proc/25542/cwd/usr/local/src/mysql-5.5.28/include/mysql/_[ Not.Writable ]

File://proc/25542/cwd/usr/local/src/mysql-5.5.28/include/mysql/plugin_auth.h

#ifndef MYSQL_PLUGIN_AUTH_INCLUDED
/* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.

   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; version 2 of the License.

   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 */

/**
  @file

  Authentication Plugin API.

  This file defines the API for server authentication plugins.
*/

#define MYSQL_PLUGIN_AUTH_INCLUDED

#include <mysql/plugin.h>

#define MYSQL_AUTHENTICATION_INTERFACE_VERSION 0x0100

#include <mysql/plugin_auth_common.h>

/* defines for MYSQL_SERVER_AUTH_INFO.password_used */

#define PASSWORD_USED_NO         0
#define PASSWORD_USED_YES        1
#define PASSWORD_USED_NO_MENTION 2


/**
  Provides server plugin access to authentication information
*/
typedef struct st_mysql_server_auth_info
{
  /**
    User name as sent by the client and shown in USER().
    NULL if the client packet with the user name was not received yet.
  */
  char *user_name;

  /**
    Length of user_name
  */
  unsigned int user_name_length;

  /**
    A corresponding column value from the mysql.user table for the
    matching account name
  */
  const char *auth_string;

  /**
    Length of auth_string
  */
  unsigned long auth_string_length;

  /**
    Matching account name as found in the mysql.user table.
    A plugin can override it with another name that will be
    used by MySQL for authorization, and shown in CURRENT_USER()
  */
  char authenticated_as[MYSQL_USERNAME_LENGTH+1]; 


  /**
    The unique user name that was used by the plugin to authenticate.
    Plugins should put null-terminated UTF-8 here.
    Available through the @@EXTERNAL_USER variable.
  */  
  char external_user[512];

  /**
    This only affects the "Authentication failed. Password used: %s"
    error message. has the following values : 
    0 : %s will be NO.
    1 : %s will be YES.
    2 : there will be no %s.
    Set it as appropriate or ignore at will.
  */
  int  password_used;

  /**
    Set to the name of the connected client host, if it can be resolved, 
    or to its IP address otherwise.
  */
  const char *host_or_ip;

  /**
    Length of host_or_ip
  */
  unsigned int host_or_ip_length;

} MYSQL_SERVER_AUTH_INFO;

/**
  Server authentication plugin descriptor
*/
struct st_mysql_auth
{
  int interface_version;                        /** version plugin uses */
  /**
    A plugin that a client must use for authentication with this server
    plugin. Can be NULL to mean "any plugin".
  */
  const char *client_auth_plugin;
  /**
    Function provided by the plugin which should perform authentication (using
    the vio functions if necessary) and return 0 if successful. The plugin can
    also fill the info.authenticated_as field if a different username should be
    used for authorization.
  */
  int (*authenticate_user)(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info);
};
#endif

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