/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
 * Copyright (C) Markus Moeller, <markus_moeller@compuserve.com>
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at https://curl.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 * SPDX-License-Identifier: curl
 *
 ***************************************************************************/
#include "curl_setup.h"

#if defined(USE_WINDOWS_SSPI) && !defined(CURL_DISABLE_PROXY)

#include "urldata.h"
#include "curl_trc.h"
#include "cfilters.h"
#include "connect.h"
#include "strerror.h"
#include "curlx/nonblock.h"
#include "socks.h"
#include "curl_sspi.h"
#include "curlx/multibyte.h"

/*
 * Helper sspi error functions.
 */
static int check_sspi_err(struct Curl_easy *data,
                          SECURITY_STATUS status,
                          const char *function)
{
  if(status != SEC_E_OK &&
     status != SEC_I_COMPLETE_AND_CONTINUE &&
     status != SEC_I_COMPLETE_NEEDED &&
     status != SEC_I_CONTINUE_NEEDED) {
    char buffer[STRERROR_LEN];
