SSL_set_post_handshake_auth
SSL_set_post_handshake_auth(con, 1);
void SSL_set_post_handshake_auth(SSL *s, int val);
SSL_set_post_handshake_auth(client, 1);
SSL_set_post_handshake_auth(clientssl, 1);
SSL_set_post_handshake_auth(clientssl, 1);
SSL_set_post_handshake_auth(clientssl, 1);