--- a/util/xmppstream.lua	Tue Apr 15 14:51:49 2014 -0400
+++ b/util/xmppstream.lua	Fri Apr 18 07:50:44 2014 +0200
@@ -252,6 +252,9 @@
 			id = session.streamid or "",
 			from = from or session.host, to = to,
 		};
+		if session.stream_attrs then
+			session:stream_attrs(from, to, attr)
+		end
 		send("<?xml version='1.0'?>");
 		send(st.stanza("stream:stream", attr):top_tag());
 		return true;