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.TH CURLOPT_LOGIN_OPTIONS 3 "May 31, 2017" "libcurl 7.64.0" "curl_easy_setopt options"

.SH NAME
CURLOPT_LOGIN_OPTIONS \- set login options
.SH SYNOPSIS
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_LOGIN_OPTIONS, char *options);
.SH DESCRIPTION
Pass a char * as parameter, which should be pointing to the zero terminated
\fIoptions\fP string to use for the transfer.

For more information about the login options please see RFC2384, RFC5092 and
IETF draft draft-earhart-url-smtp-00.txt

\fICURLOPT_LOGIN_OPTIONS(3)\fP can be used to set protocol specific login
options, such as the preferred authentication mechanism via "AUTH=NTLM" or
"AUTH=*", and should be used in conjunction with the \fICURLOPT_USERNAME(3)\fP
option.

The application does not have to keep the string around after setting this
option.
.SH DEFAULT
NULL
.SH PROTOCOLS
Only IMAP, POP3 and SMTP support login options.
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "smtp://example.com/");
  curl_easy_setopt(curl, CURLOPT_LOGIN_OPTIONS, "AUTH=*");
  ret = curl_easy_perform(curl);
  curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.34.0
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
.SH "SEE ALSO"
.BR CURLOPT_USERNAME "(3), " CURLOPT_PASSWORD "(3), "