table of contents
CURLOPT_FTPSSLAUTH(3) | curl_easy_setopt options | CURLOPT_FTPSSLAUTH(3) |
NAME¶
CURLOPT_FTPSSLAUTH - set order in which to attempt TLS vs SSL when using FTP
SYNOPSIS¶
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTPSSLAUTH, long order);
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 CURLOPT_USE_SSL(3) is also set.
Possible order values:
- CURLFTPAUTH_DEFAULT
- Allow libcurl to decide.
- CURLFTPAUTH_SSL
- Try "AUTH SSL" first, and only if that fails try "AUTH TLS".
- CURLFTPAUTH_TLS
- Try "AUTH TLS" first, and only if that fails try "AUTH SSL".
DEFAULT¶
CURLFTPAUTH_DEFAULT
PROTOCOLS¶
FTP
EXAMPLE¶
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); }
AVAILABILITY¶
Added in 7.12.2
RETURN VALUE¶
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO¶
November 4, 2020 | libcurl 7.76.1 |