1/************************************************************************************
2 Copyright (C) 2014-2018 MariaDB Corporation AB
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License as published by the Free Software Foundation; either
7 version 2 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public
15 License along with this library; if not see <http://www.gnu.org/licenses>
16 or write to the Free Software Foundation, Inc.,
17 51 Franklin St., Fifth Floor, Boston, MA 02110, USA
18*************************************************************************************/
19#include <ma_global.h>
20#include <mysql.h>
21#include <mysql/client_plugin.h>
22#include <string.h>
23
24/* clear text plugin submits the password without opening a dialog.
25 This will be the case if pam-use-cleartext-plugin option is
26 enabled on server side */
27
28/* {{{ auth_send_plain_password() */
29/*
30 sends an unencrypted password to server
31
32 SYNOPSIS
33 auth_send_plain_password()
34 vio pointer to vio structure
35 mysql connection handle
36
37 DESCRIPTION
38 sends an unencrypted password (which was specified either in
39 mysql_real_connect or mysql_change_user) to server.
40
41 RETURN
42 CR_OK
43 CR_ERROR if an error occurred
44*/
45static int clear_password_auth_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
46{
47 if (!vio || !mysql || !mysql->passwd)
48 return CR_ERROR;
49
50 /* write password including terminating zero character */
51 return vio->write_packet(vio, (const unsigned char *) mysql->passwd, (int)strlen(mysql->passwd) + 1) ?
52 CR_ERROR : CR_OK;
53}
54/* }}} */
55
56#ifndef PLUGIN_DYNAMIC
57struct st_mysql_client_plugin_AUTHENTICATION mysql_clear_password_client_plugin=
58#else
59struct st_mysql_client_plugin_AUTHENTICATION _mysql_client_plugin_declaration_ =
60#endif
61{
62 MYSQL_CLIENT_AUTHENTICATION_PLUGIN,
63 MYSQL_CLIENT_AUTHENTICATION_PLUGIN_INTERFACE_VERSION,
64 "mysql_clear_password",
65 "Georg Richter",
66 "MariaDB clear password authentication plugin",
67 {0,1,0},
68 "LGPL",
69 NULL,
70 NULL,
71 NULL,
72 NULL,
73 clear_password_auth_client
74};
75
76
77