curl/docs/libcurl/opts/CURLOPT_KRBLEVEL.md

---

c: Copyright (C) Daniel Stenberg, daniel@haxx.se, et al. SPDX-License-Identifier: curl Title: CURLOPT_KRBLEVEL Section: 3 Source: libcurl See-also:

• CURLOPT_KRBLEVEL (3)
• CURLOPT_USE_SSL (3) Protocol:
• FTP ---

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.

DEFAULT

NULL

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);
  }
}

AVAILABILITY

This option was known as CURLOPT_KRB4LEVEL up to 7.16.3

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.