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126 lines
3.4 KiB
C
126 lines
3.4 KiB
C
#ifndef MYSQL_PLUGIN_AUTH_INCLUDED
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/* Copyright (C) 2010 Sun Microsystems, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/**
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@file
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Authentication Plugin API.
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This file defines the API for server authentication plugins.
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*/
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#define MYSQL_PLUGIN_AUTH_INCLUDED
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#include <mysql/plugin.h>
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#define MYSQL_AUTHENTICATION_INTERFACE_VERSION 0x0100
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#include <mysql/plugin_auth_common.h>
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/* defines for MYSQL_SERVER_AUTH_INFO.password_used */
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#define PASSWORD_USED_NO 0
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#define PASSWORD_USED_YES 1
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#define PASSWORD_USED_NO_MENTION 2
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/**
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Provides server plugin access to authentication information
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*/
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typedef struct st_mysql_server_auth_info
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{
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/**
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User name as sent by the client and shown in USER().
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NULL if the client packet with the user name was not received yet.
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*/
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char *user_name;
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/**
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Length of user_name
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*/
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unsigned int user_name_length;
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/**
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A corresponding column value from the mysql.user table for the
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matching account name
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*/
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const char *auth_string;
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/**
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Length of auth_string
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*/
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unsigned long auth_string_length;
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/**
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Matching account name as found in the mysql.user table.
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A plugin can override it with another name that will be
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used by MySQL for authorization, and shown in CURRENT_USER()
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*/
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char authenticated_as[MYSQL_USERNAME_LENGTH+1];
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/**
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The unique user name that was used by the plugin to authenticate.
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Plugins should put null-terminated UTF-8 here.
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Available through the @@EXTERNAL_USER variable.
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*/
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char external_user[512];
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/**
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This only affects the "Authentication failed. Password used: %s"
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error message. has the following values :
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0 : %s will be NO.
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1 : %s will be YES.
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2 : there will be no %s.
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Set it as appropriate or ignore at will.
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*/
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int password_used;
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/**
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Set to the name of the connected client host, if it can be resolved,
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or to its IP address otherwise.
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*/
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const char *host_or_ip;
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/**
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Length of host_or_ip
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*/
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unsigned int host_or_ip_length;
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} MYSQL_SERVER_AUTH_INFO;
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/**
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Server authentication plugin descriptor
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*/
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struct st_mysql_auth
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{
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int interface_version; /** version plugin uses */
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/**
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A plugin that a client must use for authentication with this server
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plugin. Can be NULL to mean "any plugin".
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*/
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const char *client_auth_plugin;
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/**
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Function provided by the plugin which should perform authentication (using
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the vio functions if necessary) and return 0 if successful. The plugin can
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also fill the info.authenticated_as field if a different username should be
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used for authorization.
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*/
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int (*authenticate_user)(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info);
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};
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#endif
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