+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
local st = require "util.stanza";
-local send = require "core.sessionmanager".send_to_session;
-local sm_bind_resource = require "core.sessionmanager".bind_resource;
-local usermanager_validate_credentials = require "core.usermanager".validate_credentials;
-local t_concat, t_insert = table.concat, table.insert;
-local tostring = tostring;
+local xmlns_stream = 'http://etherx.jabber.org/streams';
+local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls';
-local log = require "util.logger".init("mod_starttls");
+local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption");
+local secure_s2s_only = module:get_option("s2s_require_encryption");
-local xmlns_starttls ='urn:ietf:params:xml:ns:xmpp-tls';
+local global_ssl_ctx = prosody.global_ssl_ctx;
-local new_connhandler = require "net.connhandlers".new;
+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
-add_handler("c2s_unauthed", "starttls", xmlns_starttls,
- function (session, stanza)
- if session.conn.starttls then
- print("Wants to do TLS...");
- send(session, st.stanza("proceed", { xmlns = xmlns_starttls }));
- session.connhandler = new_connhandler("xmpp-client", session);
- session.notopen = true;
- if session.conn.starttls() then
- print("Done");
+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:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", function(event)
+ local origin, stanza = event.origin, event.stanza;
+ if origin.type == "c2s_unauthed" then
+ c2s_starttls_handler(origin, stanza);
+ elseif origin.type == "s2sin_unauthed" then
+ s2s_starttls_handler(origin, stanza);
+ else
+ -- FIXME: What reply?
+ origin.log("warn", "Attempt to start TLS, but TLS is not available on this %s connection", origin.type);
+ end
+ return true;
+end);
+
+
+local starttls_attr = { xmlns = xmlns_starttls };
+module:add_event_hook("stream-features",
+ function (session, features)
+ if not session.username and session.conn.starttls then
+ features:tag("starttls", starttls_attr);
+ if secure_auth_only then
+ features:tag("required"):up():up();
else
- print("Failed");
+ features:up();
end
-
end
end);
-
-add_event_hook("stream-features",
- function (session, features)
- if session.conn.starttls then
- t_insert(features, "<starttls xmlns='"..xmlns_starttls.."'/>");
- end
- end);
\ No newline at end of file
+
+module:hook("s2s-stream-features",
+ function (data)
+ local session, features = data.session, data.features;
+ 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();
+ else
+ features:up();
+ end
+ 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 session.conn.starttls and 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...");
+ 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);
+ session.secure = false;
+ return true;
+ end);