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- .\" generated by cd2nroff 0.1 from CURLOPT_FTPSSLAUTH.md
- .TH CURLOPT_FTPSSLAUTH 3 "2025-01-17" libcurl
- .SH NAME
- CURLOPT_FTPSSLAUTH \- order in which to attempt TLS vs SSL
- .SH SYNOPSIS
- .nf
- #include <curl/curl.h>
- CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTPSSLAUTH, long order);
- .fi
- .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
- This functionality affects ftp only
- .SH EXAMPLE
- .nf
- int main(void)
- {
- CURL *curl = curl_easy_init();
- if(curl) {
- CURLcode res;
- 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, (long)CURLFTPAUTH_SSL);
- res = curl_easy_perform(curl);
- curl_easy_cleanup(curl);
- }
- }
- .fi
- .SH AVAILABILITY
- Added in curl 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_FTP_SSL_CCC (3),
- .BR CURLOPT_USE_SSL (3)
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