CURLOPT_LOGIN_OPTIONS(3)   curl_easy_setopt options   CURLOPT_LOGIN_OPTIONS(3)

NAME
       CURLOPT_LOGIN_OPTIONS - set login options

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_LOGIN_OPTIONS, char
       *options);

DESCRIPTION
       Pass a char * as parameter, which should be pointing to the null-
       terminated options 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

       _LOGIN_OPTIONS&section=3">CURLOPT_LOGIN_OPTIONS(3) 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
       _USERNAME&section=3">CURLOPT_USERNAME(3) option.

       The application does not have to keep the string around after setting
       this option.

DEFAULT
       NULL

PROTOCOLS
       Only IMAP, POP3 and SMTP support login options.

EXAMPLE
       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);
       }

AVAILABILITY
       Added in 7.34.0

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.

SEE ALSO
       CURLOPT_USERNAME(3), CURLOPT_PASSWORD(3),

libcurl 7.77.0                 November 4, 2020       CURLOPT_LOGIN_OPTIONS(3)