CURLOPT_FTP_USE_PRET(3) Library Functions Manual CURLOPT_FTP_USE_PRET(3)
NAME
CURLOPT_FTP_USE_PRET - use PRET for FTP
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
This functionality affects ftp only
EXAMPLE
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
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);
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
}
AVAILABILITY
Added in curl 7.20.0
RETURN VALUE
curl_easy_setopt(3) returns a CURLcode indicating success or error.
CURLE_OK (0) means everything was OK, non-zero means an error occurred,
see libcurl-errors(3).
SEE ALSO
CURLOPT_FTP_USE_EPRT(3), CURLOPT_FTP_USE_EPSV(3)
libcurl 2025-02-08 CURLOPT_FTP_USE_PRET(3)
curl 8.12.0 - Generated Sat Feb 15 08:09:21 CST 2025