# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1568132171 -7200
# Node ID 8e8d3b3a55da3ecad3089b740bdb1b7dd3d0b49e
# Parent  ddc8d5171da275a01ecb20baa843e961cdcebc92
util.x509: Nameprep commonName once

diff -r ddc8d5171da2 -r 8e8d3b3a55da util/x509.lua
--- a/util/x509.lua	Mon Sep 09 19:54:59 2019 +0200
+++ b/util/x509.lua	Tue Sep 10 18:16:11 2019 +0200
@@ -236,8 +236,11 @@
 	local subject = cert:subject();
 	for i = 1, #subject do
 		local dn = subject[i];
-		if dn.oid == oid_commonname and nameprep(dn.value) then
-			names[dn.value] = true;
+		if dn.oid == oid_commonname then
+			local name = nameprep(dn.value);
+			if name then
+				names[name] = true;
+			end
 		end
 	end
 	return names;