From: Daniel Weismüller <daniel.weismueller@ipfire.org>
Date: Tue, 2 Jun 2026 14:06:37 +0000 (+0200)
Subject: knot resolver: Fix Lua check for empty string
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bc12c6119d3ef4050b2efc66f49cdcaec052079f;p=ipfire-2.x.git

knot resolver: Fix Lua check for empty string

Signed-off-by: Daniel Weismüller <daniel.weismueller@ipfire.org>
---

diff --git a/config/knot-resolver/config.lua b/config/knot-resolver/config.lua
index 46cfac5e9..c382434c2 100644
--- a/config/knot-resolver/config.lua
+++ b/config/knot-resolver/config.lua
@@ -484,6 +484,15 @@ function config.load_rpzs()
 		if status == "on" then
 			local path = string.format("/var/lib/knot-resolver/zones/%s.zone", name)
 
+			-- Fix buggy Perl CSV generator
+			if not enabled_zones then
+				enabled_zones = ""
+			end
+
+			if not custom_acl then
+				custom_acl = ""
+			end
+
 			-- Ensure the zone exists
 			if io.open(path) then
 				-- Make the tag
@@ -534,7 +543,7 @@ function config.load_rpzs()
 				end
 
 				-- Load it globally if no ACLs have been defined
-				if not enabled_zones and not custom_acl then
+				if enabled_zones == "" and custom_acl == "" then
 					add_tag(views, "0.0.0.0/0", tag)
 				end
 			end