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("c2s_require_encryption") or module:get_option("require_encryption");
15 local secure_s2s_only = module:get_option("s2s_require_encryption");
17 local global_ssl_ctx = prosody.global_ssl_ctx;
19 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event)
20 local origin = event.origin;
21 if origin.conn.starttls then
22 (origin.sends2s or origin.send)(st.stanza("proceed", { xmlns = xmlns_starttls }));
23 origin:reset_stream();
24 local host = origin.to_host or origin.host;
25 local ssl_ctx = host and hosts[host].ssl_ctx_in or global_ssl_ctx;
26 origin.conn:starttls(ssl_ctx);
27 origin.log("info", "TLS negotiation started for %s...", origin.type);
28 origin.secure = false;
30 origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type);
31 (origin.sends2s or origin.send)(st.stanza("failure", { xmlns = xmlns_starttls }));
38 local starttls_attr = { xmlns = xmlns_starttls };
39 module:add_event_hook("stream-features",
40 function (session, features)
41 if not session.username and session.conn.starttls then
42 features:tag("starttls", starttls_attr);
43 if secure_auth_only then
44 features:tag("required"):up():up();
51 module:hook("s2s-stream-features",
53 local session, features = data.session, data.features;
54 if session.to_host and session.type ~= "s2sin" and session.conn.starttls then
55 features:tag("starttls", starttls_attr)
56 if secure_s2s_only then
57 features:tag("required"):up():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 session.conn.starttls and 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 session:reset_stream();
79 local ssl_ctx = session.from_host and hosts[session.from_host].ssl_ctx or global_ssl_ctx;
80 session.conn:starttls(ssl_ctx, true);
81 session.secure = false;