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:add_handler("c2s_unauthed", "starttls", xmlns_starttls,
20 function (session, stanza)
21 if session.conn.starttls then
22 session.send(st.stanza("proceed", { xmlns = xmlns_starttls }));
23 session:reset_stream();
24 local ssl_ctx = session.host and hosts[session.host].ssl_ctx_in or global_ssl_ctx;
25 session.conn:starttls(ssl_ctx);
26 session.log("info", "TLS negotiation started...");
27 session.secure = false;
30 session.log("warn", "Attempt to start TLS, but TLS is not available on this connection");
34 module:add_handler("s2sin_unauthed", "starttls", xmlns_starttls,
35 function (session, stanza)
36 if session.conn.starttls then
37 session.sends2s(st.stanza("proceed", { xmlns = xmlns_starttls }));
38 session:reset_stream();
39 local ssl_ctx = session.to_host and hosts[session.to_host].ssl_ctx_in or global_ssl_ctx;
40 session.conn:starttls(ssl_ctx);
41 session.log("info", "TLS negotiation started for incoming s2s...");
42 session.secure = false;
45 session.log("warn", "Attempt to start TLS, but TLS is not available on this s2s connection");
50 local starttls_attr = { xmlns = xmlns_starttls };
51 module:add_event_hook("stream-features",
52 function (session, features)
53 if session.conn.starttls then
54 features:tag("starttls", starttls_attr);
55 if secure_auth_only then
56 features:tag("required"):up():up();
63 module:hook("s2s-stream-features",
65 local session, features = data.session, data.features;
66 if session.to_host and session.conn.starttls then
67 features:tag("starttls", starttls_attr):up();
68 if secure_s2s_only then
69 features:tag("required"):up():up();
76 -- For s2sout connections, start TLS if we can
77 module:hook_stanza(xmlns_stream, "features",
78 function (session, stanza)
79 module:log("debug", "Received features element");
80 if session.conn.starttls and stanza:child_with_ns(xmlns_starttls) then
81 module:log("%s is offering TLS, taking up the offer...", session.to_host);
82 session.sends2s("<starttls xmlns='"..xmlns_starttls.."'/>");
87 module:hook_stanza(xmlns_starttls, "proceed",
88 function (session, stanza)
89 module:log("debug", "Proceeding with TLS on s2sout...");
90 session:reset_stream();
91 local ssl_ctx = session.from_host and hosts[session.from_host].ssl_ctx or global_ssl_ctx;
92 session.conn:starttls(ssl_ctx, true);
93 session.secure = false;