CURLOPT_FTP_USE_PRET man page

CURLOPT_FTP_USE_PRET ā€” enable the PRET command

Synopsis

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_USE_PRET, long enable);

Description

Pass a long. If the value is 1, it tells curl to send a PRET command before PASV (and EPSV). Certain FTP servers, mainly drftpd, require this non-standard command for directory listings as well as up and downloads in PASV mode. Has no effect when using the active FTP transfers mode.

Default

0

Protocols

FTP

Example

CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/old-server/file.txt");

  /* a drftpd server, do it! */
  curl_easy_setopt(curl, CURLOPT_FTP_USE_PRET, 1L);

  ret = curl_easy_perform(curl);

  curl_easy_cleanup(curl);
}

Availability

Added in 7.20.0

Return Value

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

See Also

CURLOPT_FTP_USE_EPRT(3), CURLOPT_FTP_USE_EPSV(3),

Referenced By

curl_easy_setopt(3).

May 05, 2017 libcurl 7.55.1 curl_easy_setopt options