71 lines
2.6 KiB
Groff
71 lines
2.6 KiB
Groff
.\" **************************************************************************
|
|
.\" * _ _ ____ _
|
|
.\" * Project ___| | | | _ \| |
|
|
.\" * / __| | | | |_) | |
|
|
.\" * | (__| |_| | _ <| |___
|
|
.\" * \___|\___/|_| \_\_____|
|
|
.\" *
|
|
.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
.\" *
|
|
.\" * 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.haxx.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.
|
|
.\" *
|
|
.\" **************************************************************************
|
|
.\"
|
|
.TH CURLOPT_USE_SSL 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
|
|
.SH NAME
|
|
CURLOPT_USE_SSL \- request using SSL / TLS for the transfer
|
|
.SH SYNOPSIS
|
|
#include <curl/curl.h>
|
|
|
|
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USE_SSL, long level);
|
|
.SH DESCRIPTION
|
|
Pass a long using one of the values from below, to make libcurl use your
|
|
desired \fIlevel\fP of SSL for the transfer.
|
|
|
|
These are all protocols that start out plain text and get "upgraded" to SSL
|
|
using the STARTTLS command.
|
|
|
|
This is for enabling SSL/TLS when you use FTP, SMTP, POP3, IMAP etc.
|
|
.IP CURLUSESSL_NONE
|
|
Don't attempt to use SSL.
|
|
.IP CURLUSESSL_TRY
|
|
Try using SSL, proceed as normal otherwise.
|
|
.IP CURLUSESSL_CONTROL
|
|
Require SSL for the control connection or fail with \fICURLE_USE_SSL_FAILED\fP.
|
|
.IP CURLUSESSL_ALL
|
|
Require SSL for all communication or fail with \fICURLE_USE_SSL_FAILED\fP.
|
|
.SH DEFAULT
|
|
CURLUSESSL_NONE
|
|
.SH PROTOCOLS
|
|
FTP, SMTP, POP3, IMAP
|
|
.SH EXAMPLE
|
|
.nf
|
|
CURL *curl = curl_easy_init();
|
|
if(curl) {
|
|
curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/dir/file.ext");
|
|
|
|
/* require use of SSL for this, or fail */
|
|
curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_ALL);
|
|
|
|
/* Perform the request */
|
|
curl_easy_perform(curl);
|
|
}
|
|
.fi
|
|
.SH AVAILABILITY
|
|
Added in 7.11.0. This option was known as CURLOPT_FTP_SSL up to 7.16.4, and
|
|
the constants were known as CURLFTPSSL_*
|
|
.SH RETURN VALUE
|
|
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
|
|
.SH "SEE ALSO"
|
|
.BR CURLOPT_SSLVERSION "(3), " CURLOPT_PROXY_SSLVERSION "(3), "
|
|
.BR CURLOPT_SSL_OPTIONS "(3), "
|