X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_dialback.lua;h=f0fe949aef8d2b91049dd32666da7a6b51187316;hb=873005c41b407731d759be423c51cb251346c0ae;hp=dc3c3f10a7a06cf8a52ec9aa8463c2039ed62ab4;hpb=da733c0cfe8c4de18c730d9c53e3f95bc3d5469b;p=prosody.git

diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua
index dc3c3f10..f0fe949a 100644
--- a/plugins/mod_dialback.lua
+++ b/plugins/mod_dialback.lua
@@ -1,7 +1,7 @@
 -- Prosody IM
 -- Copyright (C) 2008-2010 Matthew Wild
 -- Copyright (C) 2008-2010 Waqas Hussain
--- 
+--
 -- This project is MIT/X11 licensed. Please see the
 -- COPYING file in the source package for more information.
 --
@@ -14,20 +14,33 @@ local st = require "util.stanza";
 local sha256_hash = require "util.hashes".sha256;
 local sha256_hmac = require "util.hashes".hmac_sha256;
 local nameprep = require "util.encodings".stringprep.nameprep;
+local check_cert_status = module:depends"s2s".check_cert_status;
+local uuid_gen = require"util.uuid".generate;
 
 local xmlns_stream = "http://etherx.jabber.org/streams";
 
 local dialback_requests = setmetatable({}, { __mode = 'v' });
 
+local dialback_secret = sha256_hash(module:get_option_string("dialback_secret", uuid_gen()), true);
+local dwd = module:get_option_boolean("dialback_without_dialback", false);
+
+function module.save()
+	return { dialback_secret = dialback_secret };
+end
+
+function module.restore(state)
+	dialback_secret = state.dialback_secret;
+end
+
 function generate_dialback(id, to, from)
-	return sha256_hmac(sha256_hash(hosts[from].dialback_secret), to .. ' ' .. from .. ' ' .. id, true);
+	return sha256_hmac(dialback_secret, to .. ' ' .. from .. ' ' .. id, true);
 end
 
 function initiate_dialback(session)
 	-- generate dialback key
 	session.dialback_key = generate_dialback(session.streamid, session.to_host, session.from_host);
 	session.sends2s(st.stanza("db:result", { from = session.from_host, to = session.to_host }):text(session.dialback_key));
-	session.log("info", "sent dialback key on outgoing s2s stream");
+	session.log("debug", "sent dialback key on outgoing s2s stream");
 end
 
 function verify_dialback(id, to, from, key)
@@ -36,7 +49,7 @@ end
 
 module:hook("stanza/jabber:server:dialback:verify", function(event)
 	local origin, stanza = event.origin, event.stanza;
-	
+
 	if origin.type == "s2sin_unauthed" or origin.type == "s2sin" then
 		-- We are being asked to verify the key, to ensure it was generated by us
 		origin.log("debug", "verifying that dialback key is ours...");
@@ -63,26 +76,36 @@ end);
 
 module:hook("stanza/jabber:server:dialback:result", function(event)
 	local origin, stanza = event.origin, event.stanza;
-	
+
 	if origin.type == "s2sin_unauthed" or origin.type == "s2sin" then
 		-- he wants to be identified through dialback
 		-- We need to check the key with the Authoritative server
 		local attr = stanza.attr;
 		local to, from = nameprep(attr.to), nameprep(attr.from);
-		
+
 		if not hosts[to] then
 			-- Not a host that we serve
-			origin.log("info", "%s tried to connect to %s, which we don't serve", from, to);
+			origin.log("warn", "%s tried to connect to %s, which we don't serve", from, to);
 			origin:close("host-unknown");
 			return true;
 		elseif not from then
 			origin:close("improper-addressing");
 		end
-		
+
+		if dwd and origin.secure then
+			if check_cert_status(origin, from) == false then
+				return
+			elseif origin.cert_chain_status == "valid" and origin.cert_identity_status == "valid" then
+				origin.sends2s(st.stanza("db:result", { to = from, from = to, id = attr.id, type = "valid" }));
+				module:fire_event("s2s-authenticated", { session = origin, host = from });
+				return true;
+			end
+		end
+
 		origin.hosts[from] = { dialback_key = stanza[1] };
-		
+
 		dialback_requests[from.."/"..origin.streamid] = origin;
-		
+
 		-- COMPAT: ejabberd, gmail and perhaps others do not always set 'to' and 'from'
 		-- on streams. We fill in the session's to/from here instead.
 		if not origin.from_host then
@@ -103,7 +126,7 @@ end);
 
 module:hook("stanza/jabber:server:dialback:verify", function(event)
 	local origin, stanza = event.origin, event.stanza;
-	
+
 	if origin.type == "s2sout_unauthed" or origin.type == "s2sout" then
 		local attr = stanza.attr;
 		local dialback_verifying = dialback_requests[attr.from.."/"..(attr.id or "")];
@@ -132,10 +155,10 @@ end);
 
 module:hook("stanza/jabber:server:dialback:result", function(event)
 	local origin, stanza = event.origin, event.stanza;
-	
+
 	if origin.type == "s2sout_unauthed" or origin.type == "s2sout" then
 		-- Remote server is telling us whether we passed dialback
-		
+
 		local attr = stanza.attr;
 		if not hosts[attr.to] then
 			origin:close("host-unknown");
@@ -154,14 +177,6 @@ module:hook("stanza/jabber:server:dialback:result", function(event)
 	end
 end);
 
-module:hook_stanza("urn:ietf:params:xml:ns:xmpp-sasl", "failure", function (origin, stanza)
-	if origin.external_auth == "failed" then
-		module:log("debug", "SASL EXTERNAL failed, falling back to dialback");
-		initiate_dialback(origin);
-		return true;
-	end
-end, 100);
-
 module:hook_stanza(xmlns_stream, "features", function (origin, stanza)
 	if not origin.external_auth or origin.external_auth == "failed" then
 		module:log("debug", "Initiating dialback...");