X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_tls.lua;h=cd4f3acf9749ee6345ef2e82ac01a1dfce49519e;hb=f7f712f889b15132b3466806f337df7a9a427010;hp=85dc6bbabaec5028da04f58eee2d75d6d433e530;hpb=2f107f1ef33466161ada9f796a1a56e2cce973a4;p=prosody.git

diff --git a/plugins/mod_tls.lua b/plugins/mod_tls.lua
index 85dc6bba..cd4f3acf 100644
--- a/plugins/mod_tls.lua
+++ b/plugins/mod_tls.lua
@@ -1,4 +1,4 @@
--- Prosody IM v0.4
+-- Prosody IM
 -- Copyright (C) 2008-2009 Matthew Wild
 -- Copyright (C) 2008-2009 Waqas Hussain
 -- 
@@ -6,11 +6,12 @@
 -- COPYING file in the source package for more information.
 --
 
-
-
 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");
 
 module:add_handler("c2s_unauthed", "starttls", xmlns_starttls,
 		function (session, stanza)
@@ -26,10 +27,61 @@ 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
+					features:tag("required"):up():up();
+				else
+					features:up();
+				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();
+				-- TODO: Make this optional :P
+				--features:tag("required"):up():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);