csu3_am335x/EVSE/GPL/curl-7.61.1/docs/libcurl/opts/CURLOPT_FTPSSLAUTH.3

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.TH CURLOPT_FTPSSLAUTH 3 "May 31, 2017" "libcurl 7.61.1" "curl_easy_setopt options"

.SH NAME
CURLOPT_FTPSSLAUTH \- set order in which to attempt TLS vs SSL when using FTP
.SH SYNOPSIS
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTPSSLAUTH, long order);
.SH DESCRIPTION
Pass a long using one of the values from below, to alter how libcurl issues
\&"AUTH TLS" or "AUTH SSL" when FTP over SSL is activated. This is only
interesting if \fICURLOPT_USE_SSL(3)\fP is also set.

Possible \fIorder\fP values:
.IP CURLFTPAUTH_DEFAULT
Allow libcurl to decide.
.IP CURLFTPAUTH_SSL
Try "AUTH SSL" first, and only if that fails try "AUTH TLS".
.IP CURLFTPAUTH_TLS
Try "AUTH TLS" first, and only if that fails try "AUTH SSL".
.SH DEFAULT
CURLFTPAUTH_DEFAULT
.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_TRY);
  /* funny server, ask for SSL before TLS */
  curl_easy_setopt(curl, CURLOPT_FTPSSLAUTH, CURLFTPAUTH_SSL);
  ret = curl_easy_perform(curl);
  curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.12.2
.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_FTP_SSL_CCC "(3), "