1 files changed, 76 insertions, 0 deletions
diff --git a/libmariadb/plugins/auth/mariadb_cleartext.c b/libmariadb/plugins/auth/mariadb_cleartext.c
new file mode 100644
index 00000000..b63c1d3b
--- /dev/null
+++ b/libmariadb/plugins/auth/mariadb_cleartext.c
@@ -0,0 +1,76 @@
+/************************************************************************************
+   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
+};
+
+