# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1395325875 -3600
# Node ID 103d685e2153e411109b60066ed5cf5cf33bcd50
# Parent  f581210093a739e3a58b24cb32ea228517c86a97
mod_s2s_auth_dane: Pause s2sin while doing SRV and TLSA lookups, fixes race condition (Can haz util.async plz)

diff -r f581210093a7 -r 103d685e2153 mod_s2s_auth_dane/mod_s2s_auth_dane.lua
--- a/mod_s2s_auth_dane/mod_s2s_auth_dane.lua	Wed Mar 19 23:17:55 2014 +0100
+++ b/mod_s2s_auth_dane/mod_s2s_auth_dane.lua	Thu Mar 20 15:31:15 2014 +0100
@@ -108,8 +108,17 @@
 function module.add_host(module)
 	module:hook("s2s-stream-features", function(event)
 		-- dane_lookup(origin, origin.from_host);
-		dane_lookup(event.origin);
-	end, 1);
+		local host_session = event.origin;
+		host_session.log("debug", "Pausing connection until DANE lookup is completed");
+		host_session.conn:pause()
+		local function resume()
+			module:log("eebug", "Resuming connection");
+			host_session.conn:resume()
+		end
+		if not dane_lookup(host_session, resume) then
+			resume();
+		end
+	end, 10);
 
 	module:hook("s2s-authenticated", function(event)
 		local session = event.session;