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230bb3e278
Make all libcurl related options use .nf (no fill) for the SYNOPSIS section - for consistent look. roffit then renders that section using <pre> (monospace font) in html for the website. Extended manpage-syntax (test 1173) with a basic check for it. Closes #8062
67 lines
2.5 KiB
Groff
67 lines
2.5 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 - 2021, 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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.\" **************************************************************************
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.\"
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.TH CURLOPT_FTP_SSL_CCC 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_FTP_SSL_CCC \- switch off SSL again with FTP after auth
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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_FTP_SSL_CCC,
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long how);
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.fi
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.SH DESCRIPTION
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If enabled, this option makes libcurl use CCC (Clear Command Channel). It
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shuts down the SSL/TLS layer after authenticating. The rest of the control
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channel communication will be unencrypted. This allows NAT routers to follow
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the FTP transaction. Pass a long using one of the values below
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.IP CURLFTPSSL_CCC_NONE
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do not attempt to use CCC.
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.IP CURLFTPSSL_CCC_PASSIVE
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Do not initiate the shutdown, but wait for the server to do it. Do not send a
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reply.
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.IP CURLFTPSSL_CCC_ACTIVE
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Initiate the shutdown and wait for a reply.
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.SH DEFAULT
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CURLFTPSSL_CCC_NONE
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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_CONTROL);
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/* go back to clear-text FTP after authenticating */
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curl_easy_setopt(curl, CURLOPT_FTP_SSL_CCC, CURLFTPSSL_CCC_ACTIVE);
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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 7.16.1
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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_FTPSSLAUTH "(3), "
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