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Diffstat (limited to 'docs/libcurl/opts/GNURLOPT_FTP_SSL_CCC.3')
| -rw-r--r-- | docs/libcurl/opts/GNURLOPT_FTP_SSL_CCC.3 | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/docs/libcurl/opts/GNURLOPT_FTP_SSL_CCC.3 b/docs/libcurl/opts/GNURLOPT_FTP_SSL_CCC.3 new file mode 100644 index 000000000..2ed1d0768 --- /dev/null +++ b/docs/libcurl/opts/GNURLOPT_FTP_SSL_CCC.3 @@ -0,0 +1,64 @@ +.\" ************************************************************************** +.\" * _ _ ____ _ +.\" * Project ___| | | | _ \| | +.\" * / __| | | | |_) | | +.\" * | (__| |_| | _ <| |___ +.\" * \___|\___/|_| \_\_____| +.\" * +.\" * Copyright (C) 1998 - 2017, 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_FTP_SSL_CCC 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options" +.SH NAME +CURLOPT_FTP_SSL_CCC \- switch off SSL again with FTP after auth +.SH SYNOPSIS +#include <gnurl/curl.h> + +CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_SSL_CCC, + long how); +.SH DESCRIPTION +If enabled, this option makes libcurl use CCC (Clear Command Channel). It +shuts down the SSL/TLS layer after authenticating. The rest of the control +channel communication will be unencrypted. This allows NAT routers to follow +the FTP transaction. Pass a long using one of the values below +.IP CURLFTPSSL_CCC_NONE +Don't attempt to use CCC. +.IP CURLFTPSSL_CCC_PASSIVE +Do not initiate the shutdown, but wait for the server to do it. Do not send a +reply. +.IP CURLFTPSSL_CCC_ACTIVE +Initiate the shutdown and wait for a reply. +.SH DEFAULT +CURLFTPSSL_CCC_NONE +.SH PROTOCOLS +FTP +.SH EXAMPLE +.nf +CURL *curl = curl_easy_init(); +if(curl) { + curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/file.txt"); + curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_CONTROL); + /* go back to clear-text FTP after authenticating */ + curl_easy_setopt(curl, CURLOPT_FTP_SSL_CCC, CURLFTPSSL_CCC_ACTIVE); + ret = curl_easy_perform(curl); + curl_easy_cleanup(curl); +} +.fi +.SH AVAILABILITY +Added in 7.16.1 +.SH RETURN VALUE +Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. +.SH "SEE ALSO" +.BR CURLOPT_USE_SSL "(3), " CURLOPT_FTPSSLAUTH "(3), " |