/* Copyright (c) 2000, 2017, 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 */

#ifndef SSLOPT_VARS_INCLUDED
#define SSLOPT_VARS_INCLUDED

#if defined(HAVE_OPENSSL) && !defined(EMBEDDED_LIBRARY)

#ifndef MYSQL_CLIENT
#error This header is supposed to be used only in the client
#endif 

const char *ssl_mode_names_lib[] =
  {"DISABLED", "PREFERRED", "REQUIRED", "VERIFY_CA", "VERIFY_IDENTITY",
   NullS };
TYPELIB ssl_mode_typelib = {array_elements(ssl_mode_names_lib) - 1, "",
                            ssl_mode_names_lib, NULL};

static uint opt_ssl_mode     = SSL_MODE_PREFERRED;
static char *opt_ssl_ca      = 0;
static char *opt_ssl_capath  = 0;
static char *opt_ssl_cert    = 0;
static char *opt_ssl_cipher  = 0;
static char *opt_ssl_key     = 0;
static char *opt_ssl_crl     = 0;
static char *opt_ssl_crlpath = 0;
static char *opt_tls_version = 0;
static my_bool ssl_mode_set_explicitly= FALSE;
static my_bool opt_use_ssl_arg= TRUE;
static my_bool opt_ssl_verify_server_cert_arg= FALSE;

static void set_client_ssl_options(MYSQL *mysql)
{
  /*
    Print a warning if explicitly defined combination of --ssl-mode other than
    VERIFY_CA or VERIFY_IDENTITY with explicit --ssl-ca or --ssl-capath values.
  */
  if (ssl_mode_set_explicitly &&
      opt_ssl_mode < SSL_MODE_VERIFY_CA &&
      (opt_ssl_ca || opt_ssl_capath))
  {
    fprintf(stderr, "WARNING: no verification of server certificate will be done. "
                    "Use --ssl-mode=VERIFY_CA or VERIFY_IDENTITY.\n");
  }
   
  /* Set SSL parameters: key, cert, ca, capath, cipher, clr, clrpath. */
  if (opt_ssl_mode >= SSL_MODE_VERIFY_CA)
    mysql_ssl_set(mysql, opt_ssl_key, opt_ssl_cert, opt_ssl_ca,
                  opt_ssl_capath, opt_ssl_cipher);
  else
    mysql_ssl_set(mysql, opt_ssl_key, opt_ssl_cert, NULL,
                  NULL, opt_ssl_cipher);
  mysql_options(mysql, MYSQL_OPT_SSL_CRL, opt_ssl_crl);
  mysql_options(mysql, MYSQL_OPT_SSL_CRLPATH, opt_ssl_crlpath);
  mysql_options(mysql, MYSQL_OPT_TLS_VERSION, opt_tls_version);
  mysql_options(mysql, MYSQL_OPT_SSL_MODE, &opt_ssl_mode);
}
 
#define SSL_SET_OPTIONS(mysql) set_client_ssl_options(mysql);
#else
#define SSL_SET_OPTIONS(mysql) do { } while(0)
#endif
#endif /* SSLOPT_VARS_INCLUDED */