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/************************************************************************************
Copyright (C) 2014-2018 MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not see <http://www.gnu.org/licenses>
or write to the Free Software Foundation, Inc.,
51 Franklin St., Fifth Floor, Boston, MA 02110, USA
*************************************************************************************/
#include <ma_global.h>
#include <mysql.h>
#include <mysql/client_plugin.h>
#include <string.h>
/* clear text plugin submits the password without opening a dialog.
This will be the case if pam-use-cleartext-plugin option is
enabled on server side */
/* {{{ auth_send_plain_password() */
/*
sends an unencrypted password to server
SYNOPSIS
auth_send_plain_password()
vio pointer to vio structure
mysql connection handle
DESCRIPTION
sends an unencrypted password (which was specified either in
mysql_real_connect or mysql_change_user) to server.
RETURN
CR_OK
CR_ERROR if an error occurred
*/
static int clear_password_auth_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
{
if (!vio || !mysql || !mysql->passwd)
return CR_ERROR;
/* write password including terminating zero character */
return vio->write_packet(vio, (const unsigned char *) mysql->passwd, (int)strlen(mysql->passwd) + 1) ?
CR_ERROR : CR_OK;
}
/* }}} */
#ifndef PLUGIN_DYNAMIC
struct st_mysql_client_plugin_AUTHENTICATION mysql_clear_password_client_plugin=
#else
struct st_mysql_client_plugin_AUTHENTICATION _mysql_client_plugin_declaration_ =
#endif
{
MYSQL_CLIENT_AUTHENTICATION_PLUGIN,
MYSQL_CLIENT_AUTHENTICATION_PLUGIN_INTERFACE_VERSION,
"mysql_clear_password",
"Georg Richter",
"MariaDB clear password authentication plugin",
{0,1,0},
"LGPL",
NULL,
NULL,
NULL,
NULL,
clear_password_auth_client,
NULL
};
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