Added session property for interested resources

core/rostermanager.lua

@@ -76,7 +76,7 @@ function roster_push(username, host, jid)
 		stanza:up();
 		-- stanza ready
 		for _, session in pairs(hosts[host].sessions[username].sessions) do
-			if session.full_jid then
+			if session.interested then
 				-- FIXME do we need to set stanza.attr.to?
 				session.send(stanza);
 			end

plugins/mod_roster.lua

@@ -26,6 +26,7 @@ add_iq_handler("c2s", "jabber:iq:roster",
 						end
 					end
 					send(session, roster);
+					session.interested = true; -- resource is interested in roster updates
 					return true;
 				elseif stanza.attr.type == "set" then
 					local query = stanza.tags[1];