# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1752504179 -7200
# Node ID 2f754817bf4bf77f2b7ef0502111de8efc7b246f
# Parent  17b5a10bd9c9a70e64d1f80a8eaf60799267eda6
util.sslconfig: Fix error when applying ssl={[port]=...}

An error due to the key being numeric and thus not having the meta-methods

Introduced in 2ee27587fec7

Fixes #1948

Thanks Andronicus

diff -r 17b5a10bd9c9 -r 2f754817bf4b util/sslconfig.lua
--- a/util/sslconfig.lua	Wed Jun 18 15:02:02 2025 +0200
+++ b/util/sslconfig.lua	Mon Jul 14 16:42:59 2025 +0200
@@ -120,7 +120,7 @@
 	if type(new) == "table" then
 		for field, value in pairs(new) do
 			-- exclude keys which are internal to the config builder
-			if field:sub(1, 1) ~= "_" then
+			if type(field) == "string" and field:sub(1, 1) ~= "_" then
 				(handlers[field] or rawset)(config, field, value);
 			end
 		end