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68 lines
2.4 KiB
Groff
68 lines
2.4 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" * SPDX-License-Identifier: curl
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_FTPSSLAUTH 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_FTPSSLAUTH \- order in which to attempt TLS vs SSL
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTPSSLAUTH, long order);
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.fi
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.SH DESCRIPTION
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Pass a long using one of the values from below, to alter how libcurl issues
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\&"AUTH TLS" or "AUTH SSL" when FTP over SSL is activated. This is only
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interesting if \fICURLOPT_USE_SSL(3)\fP is also set.
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Possible \fIorder\fP values:
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.IP CURLFTPAUTH_DEFAULT
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Allow libcurl to decide.
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.IP CURLFTPAUTH_SSL
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Try "AUTH SSL" first, and only if that fails try "AUTH TLS".
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.IP CURLFTPAUTH_TLS
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Try "AUTH TLS" first, and only if that fails try "AUTH SSL".
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.SH DEFAULT
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CURLFTPAUTH_DEFAULT
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.SH PROTOCOLS
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FTP
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.SH EXAMPLE
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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/file.txt");
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curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_TRY);
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/* funny server, ask for SSL before TLS */
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curl_easy_setopt(curl, CURLOPT_FTPSSLAUTH, (long)CURLFTPAUTH_SSL);
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ret = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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.fi
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.SH AVAILABILITY
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Added in 7.12.2
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_USE_SSL "(3), " CURLOPT_FTP_SSL_CCC "(3), "
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