mod_tls: Slight refactoring.
[prosody.git] / plugins / mod_tls.lua
index 897c818b95fcec1b55cf41fcb7adb616dc1b3e6d..6fde0a1e80964d9db491d2b19669100d792abef6 100644 (file)
@@ -16,41 +16,42 @@ local secure_s2s_only = module:get_option("s2s_require_encryption");
 
 local global_ssl_ctx = prosody.global_ssl_ctx;
 
-module:add_handler("c2s_unauthed", "starttls", xmlns_starttls,
-               function (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);
-               
-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();
-                               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);
+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:add_handler("c2s_unauthed", "starttls", xmlns_starttls, c2s_starttls_handler);
+module:add_handler("s2sin_unauthed", "starttls", xmlns_starttls, s2s_starttls_handler);
 
 
 local starttls_attr = { xmlns = xmlns_starttls };
 module:add_event_hook("stream-features", 
                function (session, features)
-                       if session.conn.starttls then
+                       if not session.username and session.conn.starttls then
                                features:tag("starttls", starttls_attr);
                                if secure_auth_only then
                                        features:tag("required"):up():up();
@@ -63,7 +64,7 @@ module:add_event_hook("stream-features",
 module:hook("s2s-stream-features", 
                function (data)
                        local session, features = data.session, data.features;
-                       if session.to_host and session.conn.starttls then
+                       if session.to_host and session.type ~= "s2sin" and session.conn.starttls then
                                features:tag("starttls", starttls_attr):up();
                                if secure_s2s_only then
                                        features:tag("required"):up():up();
@@ -87,7 +88,6 @@ module:hook_stanza(xmlns_stream, "features",
 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();
                        local ssl_ctx = session.from_host and hosts[session.from_host].ssl_ctx or global_ssl_ctx;
                        session.conn:starttls(ssl_ctx, true);