From 2c60ff3d5f65faa43bc1de6a2e073f83f7fa6b51 Mon Sep 17 00:00:00 2001
From: Ad Schellevis <ad@opnsense.org>
Date: Sat, 3 Aug 2024 16:45:29 +0200
Subject: [PATCH] VPN: IPsec: Advanced Settings - skip empty values and leave
 them default when generating strongswan.conf via our model. for
 https://github.com/opnsense/core/issues/7648

---
 src/opnsense/mvc/app/models/OPNsense/IPsec/IPsec.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/opnsense/mvc/app/models/OPNsense/IPsec/IPsec.php b/src/opnsense/mvc/app/models/OPNsense/IPsec/IPsec.php
index a918fcf65..7c42df6a0 100644
--- a/src/opnsense/mvc/app/models/OPNsense/IPsec/IPsec.php
+++ b/src/opnsense/mvc/app/models/OPNsense/IPsec/IPsec.php
@@ -192,7 +192,7 @@ class IPsec extends BaseModel
                 $result[$key] = $this->traverseItems($item);
             } elseif (is_a($item, "OPNsense\\Base\\FieldTypes\\BooleanField")) {
                 $result[$key] = !empty((string)$item) ? 'yes' : 'no';
-            } else {
+            } elseif ((string)$item != '') {
                 $result[$key] = (string)$item;
             }
         }