Add support for printing out and retrieving EC point formats extension.

ssl/s3_lib.c

@@ -3530,6 +3530,19 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
 			return 0;
 			}
 
+	case SSL_CTRL_GET_EC_POINT_FORMATS:
+		if (!s->server)
+			return 0;
+		else
+			{
+			SSL_SESSION *sess = s->session;
+			const unsigned char **pformat = parg;
+			if (!sess || !sess->tlsext_ecpointformatlist)
+				return 0;
+			*pformat = sess->tlsext_ecpointformatlist;
+			return (int)sess->tlsext_ecpointformatlist_length;
+			}
+
 	default:
 		break;
 		}