Changes from 1.0.0-stable.

ssl/s3_lib.c

@@ -3138,6 +3138,7 @@ int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
 
 int ssl3_shutdown(SSL *s)
 	{
+	int ret;
 
 	/* Don't do anything much if we have not done the handshake or
 	 * we don't want to send messages :-) */
@@ -3155,18 +3156,32 @@ int ssl3_shutdown(SSL *s)
 #endif
 		/* our shutdown alert has been sent now, and if it still needs
 	 	 * to be written, s->s3->alert_dispatch will be true */
+	 	if (s->s3->alert_dispatch)
+	 		return(-1);	/* return WANT_WRITE */
 		}
 	else if (s->s3->alert_dispatch)
 		{
 		/* resend it if not sent */
 #if 1
-		s->method->ssl_dispatch_alert(s);
+		ret=s->method->ssl_dispatch_alert(s);
+		if(ret == -1)
+			{
+			/* we only get to return -1 here the 2nd/Nth
+			 * invocation, we must  have already signalled
+			 * return 0 upon a previous invoation,
+			 * return WANT_WRITE */
+			return(ret);
+			}
 #endif
 		}
 	else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
 		{
 		/* If we are waiting for a close from our peer, we are closed */
 		s->method->ssl_read_bytes(s,0,NULL,0,0);
+		if(!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
+			{
+			return(-1);	/* return WANT_READ */
+			}
 		}
 
 	if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&