+local global_ssl_ctx = prosody.global_ssl_ctx;
+
+function c2s_starttls_handler(session, stanza)
+ if session.conn.starttls then
+ session.send(st.stanza("proceed", { xmlns = xmlns_starttls }));
+ session:reset_stream();
+ local ssl_ctx = session.host and hosts[session.host].ssl_ctx_in or global_ssl_ctx;
+ session.conn:starttls(ssl_ctx);
+ session.log("info", "TLS negotiation started...");
+ session.secure = false;
+ else
+ -- FIXME: What reply?
+ session.log("warn", "Attempt to start TLS, but TLS is not available on this connection");
+ end
+end
+
+function s2s_starttls_handler(session, stanza)
+ if session.conn.starttls then
+ session.sends2s(st.stanza("proceed", { xmlns = xmlns_starttls }));
+ session:reset_stream();
+ local ssl_ctx = session.to_host and hosts[session.to_host].ssl_ctx_in or global_ssl_ctx;
+ session.conn:starttls(ssl_ctx);
+ session.log("info", "TLS negotiation started for incoming s2s...");
+ session.secure = false;
+ else
+ -- FIXME: What reply?
+ session.log("warn", "Attempt to start TLS, but TLS is not available on this s2s connection");
+ end
+end
+
+module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event)
+ local origin, stanza = event.origin, event.stanza;
+ if origin.type == "c2s_unauthed" then
+ c2s_starttls_handler(origin, stanza);
+ elseif origin.type == "s2sin_unauthed" then
+ s2s_starttls_handler(origin, stanza);
+ else
+ -- FIXME: What reply?
+ origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type);
+ end
+ return true;
+end);