authentication_kerberos_clientopt-vars.h

/* Copyright (c) 2022, 2025, Oracle and/or its affiliates.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   You should have received a copy of the GNU General Public License
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

#ifndef AUTHETICATION_KERBEROS_CLIENTOPT_VARS_H
#define AUTHETICATION_KERBEROS_CLIENTOPT_VARS_H

#if defined(_WIN32)
#include "m_string.h"
#include "mysql.h"
#include "template_utils.h"
#include "typelib.h"

#include <cstdio>

using std::snprintf;

const char *client_mode_names_lib[] = {"SSPI", "GSSAPI", NullS};

TYPELIB client_mode_typelib = {array_elements(client_mode_names_lib) - 1, "",
                               client_mode_names_lib, nullptr};

static int opt_authentication_kerberos_client_mode = 0;

static int set_authentication_kerberos_client_mode(MYSQL *mysql, char *error,
                                                   size_t error_size) {
  if (opt_authentication_kerberos_client_mode == 1) {
    struct st_mysql_client_plugin *kerberos_client_plugin =
        mysql_client_find_plugin(mysql, "authentication_kerberos_client",
                                 MYSQL_CLIENT_AUTHENTICATION_PLUGIN);
    if (!kerberos_client_plugin) {
      snprintf(error, error_size,
               "Failed to load plugin authentication_kerberos_client.");
      return 1;
    }

    if (mysql_plugin_options(
            kerberos_client_plugin,
            "plugin_authentication_kerberos_client_mode",
            client_mode_names_lib[opt_authentication_kerberos_client_mode])) {
      snprintf(error, error_size,
               "Failed to set value '%s' for "
               "--plugin-authentication-kerberos-client-mode",
               client_mode_names_lib[opt_authentication_kerberos_client_mode]);
      return 1;
    }
  }
  return 0;
}
#endif /* _WIN32 */

#endif  // !AUTHETICATION_KERBEROS_CLIENTOPT_VARS_H