# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1395254886 -3600
# Node ID 920ac9a8480be91355ece2e0cf76a15d52b2ea47
# Parent  b9213ddb860f51e68634962b37c2ad449c4cd12a
mod_s2s_auth_dane: Fix tb when no hostname sent by remote

diff -r b9213ddb860f -r 920ac9a8480b mod_s2s_auth_dane/mod_s2s_auth_dane.lua
--- a/mod_s2s_auth_dane/mod_s2s_auth_dane.lua	Wed Mar 19 19:39:03 2014 +0100
+++ b/mod_s2s_auth_dane/mod_s2s_auth_dane.lua	Wed Mar 19 19:48:06 2014 +0100
@@ -50,7 +50,7 @@
 local function dane_lookup(host_session, cb, a,b,c,e)
 	if host_session.dane ~= nil then return end
 	if host_session.direction == "incoming" then
-		local name = idna_to_ascii(host_session.from_host);
+		local name = host_session.from_host and idna_to_ascii(host_session.from_host);
 		if not name then return end
 		host_session.dane = dns_lookup(function (answer)
 			if not answer.secure then