From 8d245d6d13ef908584a2e5376ae50c7bd528446a Mon Sep 17 00:00:00 2001
From: Ad Schellevis <ad@opnsense.org>
Date: Wed, 14 Apr 2021 13:19:59 +0200
Subject: [PATCH] ipsec: fix php warning:

PHP Warning:  min(): Array must contain at least one element in /usr/local/etc/inc/plugins.inc.d/ipsec.inc on line 534
---
 src/etc/inc/plugins.inc.d/ipsec.inc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/etc/inc/plugins.inc.d/ipsec.inc b/src/etc/inc/plugins.inc.d/ipsec.inc
index f45c2d29e..fad3684ad 100644
--- a/src/etc/inc/plugins.inc.d/ipsec.inc
+++ b/src/etc/inc/plugins.inc.d/ipsec.inc
@@ -531,9 +531,11 @@ function ipsec_parse_phase2($ikeid)
             }
         } else {
             // merge tunnels
-            $result['reqids'] = [min($result['reqids'])];
-            for ($idx = 0; $idx < count($result['leftsubnets']); ++$idx) {
-                $result['uniqid_reqid'][$uniqids[$idx]] = $result['reqids'][0];
+            if (!empty($result['reqids'])) {
+                $result['reqids'] = [min($result['reqids'])];
+                for ($idx = 0; $idx < count($result['leftsubnets']); ++$idx) {
+                    $result['uniqid_reqid'][$uniqids[$idx]] = $result['reqids'][0];
+                }
             }
             $result['leftsubnets'] = array_unique($result['leftsubnets']);
             $result['rightsubnets'] = array_unique($result['rightsubnets']);