# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1396167328 -3600
# Node ID 29d2dd705148fde5f5524d97113d0e27e0694189
# Parent  1107d66d2ab2cbf40b7e3c1b071d4e465b374a82
util.dependencies: Log error when LuaExpat is not capable of enforcing stanza size limits

diff -r 1107d66d2ab2 -r 29d2dd705148 util/dependencies.lua
--- a/util/dependencies.lua	Sun Mar 30 09:14:39 2014 +0100
+++ b/util/dependencies.lua	Sun Mar 30 09:15:28 2014 +0100
@@ -140,7 +140,15 @@
 		if not pcall(lxp.new, { StartDoctypeDecl = false }) then
 			log("error", "The version of LuaExpat on your system leaves Prosody "
 				.."vulnerable to denial-of-service attacks. You should upgrade to "
-				.."LuaExpat 1.1.1 or higher as soon as possible. See "
+				.."LuaExpat 1.3.0 or higher as soon as possible. See "
+				.."http://prosody.im/doc/depends#luaexpat for more information.");
+		end
+		if not lxp.new({}).getcurrentbytecount then
+			log("error", "The version of LuaExpat on your system does not support "
+				.."stanza size limits, which may leave servers on untrusted "
+				.."networks (e.g. the internet) vulnerable to denial-of-service "
+				.."attacks. You should upgrade to LuaExpat 1.3.0 or higher as "
+				.."soon as possible. See "
 				.."http://prosody.im/doc/depends#luaexpat for more information.");
 		end
 	end