CURLOPT_PROXY_TRANSFER_MODE

Section: curl_easy_setopt options (3)
Updated: April 17, 2018
Page Index

 

NAME

CURLOPT_PROXY_TRANSFER_MODE - append FTP transfer mode to URL for proxy  

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_TRANSFER_MODE, long enabled);  

DESCRIPTION

Pass a long. If the value is set to 1 (one), it tells libcurl to set the transfer mode (binary or ASCII) for FTP transfers done via an HTTP proxy, by appending ;type=a or ;type=i to the URL. Without this setting, or it being set to 0 (zero, the default), CURLOPT_TRANSFERTEXT(3) has no effect when doing FTP via a proxy. Beware that not all proxies support this feature.  

DEFAULT

0, disabled  

PROTOCOLS

FTP over proxy  

EXAMPLE

CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/old-server/file.txt");
  curl_easy_setopt(curl, CURLOPT_PROXY, "http://localhost:80");
  curl_easy_setopt(curl, CURLOPT_PROXY_TRANSFER_MODE, 1L);
  curl_easy_setopt(curl, CURLOPT_TRANSFERTEXT, 1L);
  ret = curl_easy_perform(curl);
  curl_easy_cleanup(curl);
}
 

AVAILABILITY

Added in 7.18.0  

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if the enabled value is not supported.  

SEE ALSO

CURLOPT_PROXY(3), CURLOPT_HTTPPROXYTUNNEL(3),


 

Index

NAME
SYNOPSIS
DESCRIPTION
DEFAULT
PROTOCOLS
EXAMPLE
AVAILABILITY
RETURN VALUE
SEE ALSO
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