X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_tls.lua;h=61b8d6d96c5b771403cac771ad4185d67bb06f55;hb=049dddf5d1b9fbf49dfce0f24413501d22633be5;hp=158285f61bc275630fa53013b0e4f87a2707ec87;hpb=4fad5c57e16d8772a19d309bd3bdb3d11c6ece8f;p=prosody.git

diff --git a/plugins/mod_tls.lua b/plugins/mod_tls.lua
index 158285f6..61b8d6d9 100644
--- a/plugins/mod_tls.lua
+++ b/plugins/mod_tls.lua
@@ -8,9 +8,11 @@
 
 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");
+local secure_s2s_only = module:get_option("require_s2s_encryption");
 
 module:add_handler("c2s_unauthed", "starttls", xmlns_starttls,
 		function (session, stanza)
@@ -26,9 +28,24 @@ 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...");
+				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);
+
+
 local starttls_attr = { xmlns = xmlns_starttls };
 module:add_event_hook("stream-features", 
-		function (session, features)												
+		function (session, features)
 			if session.conn.starttls then
 				features:tag("starttls", starttls_attr);
 				if secure_auth_only then
@@ -38,3 +55,37 @@ module:add_event_hook("stream-features",
 				end
 			end
 		end);
+
+module:add_event_hook("s2s-stream-features", 
+		function (session, features)
+			-- This hook is possibly called once per host (at least if the
+			-- remote server does not specify a to/from.
+			if session.to_host and session.conn.starttls and not features:child_with_ns(xmlns_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 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);