Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_USE_SSL.3 @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 .\" **************************************************************************
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2 .\" * _ _ ____ _
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3 .\" * Project ___| | | | _ \| |
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4 .\" * / __| | | | |_) | |
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5 .\" * | (__| |_| | _ <| |___
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6 .\" * \___|\___/|_| \_\_____|
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7 .\" *
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8 .\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 .\" *
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10 .\" * This software is licensed as described in the file COPYING, which
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11 .\" * you should have received as part of this distribution. The terms
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12 .\" * are also available at https://curl.haxx.se/docs/copyright.html.
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13 .\" *
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14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 .\" * copies of the Software, and permit persons to whom the Software is
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16 .\" * furnished to do so, under the terms of the COPYING file.
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17 .\" *
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18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 .\" * KIND, either express or implied.
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20 .\" *
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21 .\" **************************************************************************
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22 .\"
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23 .TH CURLOPT_USE_SSL 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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24 .SH NAME
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25 CURLOPT_USE_SSL \- request using SSL / TLS for the transfer
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26 .SH SYNOPSIS
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27 #include <curl/curl.h>
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28
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29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USE_SSL, long level);
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30 .SH DESCRIPTION
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31 Pass a long using one of the values from below, to make libcurl use your
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32 desired \fIlevel\fP of SSL for the transfer.
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33
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34 These are all protocols that start out plain text and get "upgraded" to SSL
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35 using the STARTTLS command.
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36
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37 This is for enabling SSL/TLS when you use FTP, SMTP, POP3, IMAP etc.
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38 .IP CURLUSESSL_NONE
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39 Don't attempt to use SSL.
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40 .IP CURLUSESSL_TRY
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41 Try using SSL, proceed as normal otherwise.
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42 .IP CURLUSESSL_CONTROL
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43 Require SSL for the control connection or fail with \fICURLE_USE_SSL_FAILED\fP.
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44 .IP CURLUSESSL_ALL
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45 Require SSL for all communication or fail with \fICURLE_USE_SSL_FAILED\fP.
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46 .SH DEFAULT
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47 CURLUSESSL_NONE
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48 .SH PROTOCOLS
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49 FTP, SMTP, POP3, IMAP
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50 .SH EXAMPLE
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51 .nf
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52 CURL *curl = curl_easy_init();
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53 if(curl) {
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54 curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/dir/file.ext");
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55
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56 /* require use of SSL for this, or fail */
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57 curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_ALL);
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58
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59 /* Perform the request */
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60 curl_easy_perform(curl);
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61 }
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62 .fi
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63 .SH AVAILABILITY
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64 Added in 7.11.0. This option was known as CURLOPT_FTP_SSL up to 7.16.4, and
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65 the constants were known as CURLFTPSSL_*
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66 .SH RETURN VALUE
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67 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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68 .SH "SEE ALSO"
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69 .BR CURLOPT_SSLVERSION "(3), " CURLOPT_PROXY_SSLVERSION "(3), "
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70 .BR CURLOPT_SSL_OPTIONS "(3), "