CURLOPT_RANDOM_FILE(3)

NAME
CURLOPT_RANDOM_FILE - file to read random data from

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

DESCRIPTION
Deprecated option. It serves no purpose anymore. Pass a char pointer to a null-terminated filename. The file might be used to read from to seed the random engine for SSL and more. The application does not have to keep the string around after setting this option.

DEFAULT
NULL, not used

PROTOCOLS
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc. This option works only with the following TLS backends: OpenSSL

EXAMPLE
int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode res;
    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
    curl_easy_setopt(curl, CURLOPT_RANDOM_FILE, "junk.txt");
    res = curl_easy_perform(curl);
    curl_easy_cleanup(curl);
  }
}

AVAILABILITY
Only with OpenSSL versions before 1.1.0. This option was deprecated in 7.84.0.

RETURN VALUE
Returns CURLE_OK on success or CURLE_OUT_OF_MEMORY if there was insufficient heap space.

SEE ALSO
CURLOPT_EGDSOCKET(3)