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| .TH CURLOPT_FTPSSLAUTH 3 "November 04, 2020" "libcurl 7.78.0" "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), " |
