mod_tls: Don't try to start TLS if we can't actually do it (thanks Florob)

diff --git a/plugins/mod_tls.lua b/plugins/mod_tls.lua
index 09470083bd5143e15580546ddeaa41580d6161e7..79a74deb2d5e31343cfd33ca0de246dad7958fa9 100644 (file)
--- a/plugins/mod_tls.lua
+++ b/plugins/mod_tls.lua
@@ -73,7 +73,7 @@ module:hook("s2s-stream-features",
 module:hook_stanza(xmlns_stream, "features",
                function (session, stanza)
                        module:log("debug", "Received features element");
-                       if stanza:child_with_ns(xmlns_starttls) then
+                       if session.conn.starttls and stanza:child_with_ns(xmlns_starttls) then
                                module:log("%s is offering TLS, taking up the offer...", session.to_host);
                                session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>");
                                return true;