X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_tls.lua;h=c8c49895f9f04ae12676210fc8abdd08563e2a75;hb=04f12d9d6a35d26255aa69f6c151fe222cbcafa1;hp=dc291278e7ca267e7f18d11ec8763bad4a8cb1da;hpb=2536db8f44eb9736b1928acc6da4d2ecb91cbd65;p=prosody.git

diff --git a/plugins/mod_tls.lua b/plugins/mod_tls.lua
index dc291278..c8c49895 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
 -- 
@@ -6,33 +6,62 @@
 -- COPYING file in the source package for more information.
 --
 
+local st = require "util.stanza";
 
+local xmlns_stream = 'http://etherx.jabber.org/streams';
+local xmlns_starttls = 'urn:ietf:params:xml:ns:xmpp-tls';
 
-local st = require "util.stanza";
+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;
+
+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: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 config = require "core.configmanager";
-local secure_auth_only = config.get("*", "core", "require_encryption");
 
-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();
-				session.conn.starttls();
-				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);
-		
 local starttls_attr = { xmlns = xmlns_starttls };
 module:add_event_hook("stream-features", 
-		function (session, features)												
-			if session.conn.starttls then
+		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();
@@ -41,3 +70,37 @@ module:add_event_hook("stream-features",
 				end
 			end
 		end);
+
+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);