plugin_auth_common.h

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#ifndef MYSQL_PLUGIN_AUTH_COMMON_INCLUDED
/* Copyright (c) 2010, 2012, 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 */

#define MYSQL_PLUGIN_AUTH_COMMON_INCLUDED

#define MYSQL_USERNAME_LENGTH 48

#define CR_AUTH_PLUGIN_ERROR 3

#define CR_AUTH_HANDSHAKE 2

#define CR_AUTH_USER_CREDENTIALS 1

#define CR_ERROR 0

#define CR_OK -1

#define CR_OK_HANDSHAKE_COMPLETE -2

typedef struct st_plugin_vio_info
{
  enum { MYSQL_VIO_INVALID, MYSQL_VIO_TCP, MYSQL_VIO_SOCKET,
         MYSQL_VIO_PIPE, MYSQL_VIO_MEMORY } protocol;
  int socket;     
#ifdef _WIN32
  HANDLE handle;  
#endif
} MYSQL_PLUGIN_VIO_INFO;

typedef struct st_plugin_vio
{
  int (*read_packet)(struct st_plugin_vio *vio, 
                     unsigned char **buf);
  
  int (*write_packet)(struct st_plugin_vio *vio, 
                      const unsigned char *packet, 
                      int packet_len);

  void (*info)(struct st_plugin_vio *vio, struct st_plugin_vio_info *info);

} MYSQL_PLUGIN_VIO;

#endif