2 -- Copyright (C) 2008-2009 Matthew Wild
3 -- Copyright (C) 2008-2009 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
9 local st = require "util.stanza";
11 local xmlns_stream = 'http://etherx.jabber.org/streams';
12 local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls';
14 local secure_auth_only = module:get_option("require_encryption");
16 module:add_handler("c2s_unauthed", "starttls", xmlns_starttls,
17 function (session, stanza)
18 if session.conn.starttls then
19 session.send(st.stanza("proceed", { xmlns = xmlns_starttls }));
20 session:reset_stream();
21 session.conn.starttls();
22 session.log("info", "TLS negotiation started...");
23 session.secure = false;
26 session.log("warn", "Attempt to start TLS, but TLS is not available on this connection");
30 module:add_handler("s2sin_unauthed", "starttls", xmlns_starttls,
31 function (session, stanza)
32 if session.conn.starttls then
33 session.sends2s(st.stanza("proceed", { xmlns = xmlns_starttls }));
34 session:reset_stream();
35 session.conn.starttls();
36 session.log("info", "TLS negotiation started for incoming s2s...");
39 session.log("warn", "Attempt to start TLS, but TLS is not available on this s2s connection");
44 local starttls_attr = { xmlns = xmlns_starttls };
45 module:add_event_hook("stream-features",
46 function (session, features)
47 if session.conn.starttls then
48 features:tag("starttls", starttls_attr);
49 if secure_auth_only then
50 features:tag("required"):up():up();
57 module:add_event_hook("s2s-stream-features",
58 function (session, features)
59 if session.conn.starttls then
60 --features:tag("starttls", starttls_attr):up();
64 -- For s2sout connections, start TLS if we can
65 module:hook_stanza(xmlns_stream, "features",
66 function (session, stanza)
67 module:log("debug", "Received features element");
68 if stanza:child_with_ns(xmlns_starttls) then
69 module:log("%s is offering TLS, taking up the offer...", session.to_host);
70 session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>");
75 module:hook_stanza(xmlns_starttls, "proceed",
76 function (session, stanza)
77 module:log("debug", "Proceeding with TLS on s2sout...");
78 local format, to_host, from_host = string.format, session.to_host, session.from_host;
79 session:reset_stream();
80 session.conn.starttls(true);