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-rw-r--r--plugins/mod_tls.lua44
1 files changed, 43 insertions, 1 deletions
diff --git a/plugins/mod_tls.lua b/plugins/mod_tls.lua
index 10455559..4b1bc63b 100644
--- a/plugins/mod_tls.lua
+++ b/plugins/mod_tls.lua
@@ -8,7 +8,8 @@
local st = require "util.stanza";
-local xmlns_starttls ='urn:ietf:params:xml:ns:xmpp-tls';
+local xmlns_stream = 'http://etherx.jabber.org/streams';
+local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls';
local secure_auth_only = module:get_option("require_encryption");
@@ -26,6 +27,20 @@ module:add_handler("c2s_unauthed", "starttls", xmlns_starttls,
end
end);
+module:add_handler("s2sin_unauthed", "starttls", xmlns_starttls,
+ function (session, stanza)
+ if session.conn.starttls then
+ session.sends2s(st.stanza("proceed", { xmlns = xmlns_starttls }));
+ session:reset_stream();
+ session.conn.starttls();
+ session.log("info", "TLS negotiation started for incoming s2s...");
+ else
+ -- FIXME: What reply?
+ session.log("warn", "Attempt to start TLS, but TLS is not available on this s2s connection");
+ end
+ end);
+
+
local starttls_attr = { xmlns = xmlns_starttls };
module:add_event_hook("stream-features",
function (session, features)
@@ -38,3 +53,30 @@ module:add_event_hook("stream-features",
end
end
end);
+
+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);