SSL_GET_VERSION(3)

NAME
SSL_get_version - get the protocol version of a connection

SYNOPSIS
#include <openssl/ssl.h>
const char *
SSL_get_version(const SSL *ssl);

DESCRIPTION
SSL_get_version() returns the name of the protocol used for the connection ssl.

RETURN VALUES
The following strings can be returned:

"SSLv2"
    The connection uses the SSLv2 protocol.

"SSLv3"
    The connection uses the SSLv3 protocol.

"TLSv1"
    The connection uses the TLSv1.0 protocol.

"TLSv1.1"
    The connection uses the TLSv1.1 protocol.

"TLSv1.2"
    The connection uses the TLSv1.2 protocol.

"unknown"
    This indicates that no version has been set (no connection established).

SEE ALSO
ssl(3)