CURLOPT_KRBLEVEL(3)

NAME
CURLOPT_KRBLEVEL - FTP kerberos security level

SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_KRBLEVEL, char *level);

DESCRIPTION
Pass a char pointer as parameter. Set the kerberos security level for FTP; this also enables kerberos awareness. This is a string that should match one of the following: &'clear', &'safe', &'confidential' or &'private'. If the string is set but does not match one of these, 'private' is used. Set the string to NULL to disable kerberos support for FTP. The application does not have to keep the string around after setting this option. The application does not have to keep the string around after setting this option.

DEFAULT
NULL

PROTOCOLS
This functionality affects ftp only

EXAMPLE
int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode res;
    curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/foo.bin");
    curl_easy_setopt(curl, CURLOPT_KRBLEVEL, "private");
    res = curl_easy_perform(curl);
    curl_easy_cleanup(curl);
  }
}

HISTORY
This option was known as CURLOPT_KRB4LEVEL up to 7.16.3

AVAILABILITY
Added in curl 7.16.4

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_KRBLEVEL(3), CURLOPT_USE_SSL(3)