2014-06-17 18:29:22 -04:00
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.\" **************************************************************************
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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 - 2014, 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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2016-02-02 18:19:02 -05:00
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.\" * are also available at https://curl.haxx.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_FTPPORT 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_FTPPORT \- make FTP transfer active
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTPPORT, char *spec);
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.SH DESCRIPTION
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Pass a pointer to a zero terminated string as parameter. It specifies that the
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FTP transfer will be made actively and the given string will be used to get
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the IP address to use for the FTP PORT instruction.
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The PORT instruction tells the remote server to connect to our specified IP
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address. The string may be a plain IP address, a host name, a network
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interface name (under Unix) or just a '-' symbol to let the library use your
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system's default IP address. Default FTP operations are passive, and thus
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won't use PORT.
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The address can be followed by a ':' to specify a port, optionally followed by
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a '-' to specify a port range. If the port specified is 0, the operating
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system will pick a free port. If a range is provided and all ports in the
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range are not available, libcurl will report CURLE_FTP_PORT_FAILED for the
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handle. Invalid port/range settings are ignored. IPv6 addresses followed by
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a port or portrange have to be in brackets. IPv6 addresses without port/range
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specifier can be in brackets.
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Examples with specified ports:
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.nf
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eth0:0
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192.168.1.2:32000-33000
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curl.se:32123
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[::1]:1234-4567
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.fi
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You disable PORT again and go back to using the passive version by setting
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this option to NULL.
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The application does not have to keep the string around after setting this
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option.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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FTP
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.SH EXAMPLE
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TODO
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.SH AVAILABILITY
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Port range support was added in 7.19.5
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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.SH "SEE ALSO"
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.BR CURLOPT_FTP_USE_EPRT "(3), " CURLOPT_FTP_USE_EPSV "(3), "
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