+
+module:add_event_hook("s2s-stream-features",
+ function (session, features)
+ if session.conn.starttls then
+ --features:tag("starttls", starttls_attr):up();
+ end
+ end);
+
+-- For s2sout connections, start TLS if we can
+module:hook_stanza(xmlns_stream, "features",
+ function (session, stanza)
+ module:log("debug", "Received features element");
+ if 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;
+ end
+ end, 500);
+
+module:hook_stanza(xmlns_starttls, "proceed",
+ function (session, stanza)
+ module:log("debug", "Proceeding with TLS on s2sout...");
+ local format, to_host, from_host = string.format, session.to_host, session.from_host;
+ session:reset_stream();
+ session.conn.starttls(true);
+ return true;
+ end);