From 39dfa566a6dee250581b392b942b2f9e2d95bb0c Mon Sep 17 00:00:00 2001
From: Erik Lamers <4866765+Erik-Lamers1@users.noreply.github.com>
Date: Tue, 9 Feb 2021 11:12:15 +0100
Subject: [PATCH] Add csrf_field to form post

Implement solution from dubbelj proposed in [LibreNMS forum](https://community.librenms.org/t/vlan-search-plugin-419-sorry-your-session-has-expired-please-refresh-and-try-again/8994/2).
---
 Vlan_Search.inc.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Vlan_Search.inc.php b/Vlan_Search.inc.php
index a9c6cd2..8c28f9e 100644
--- a/Vlan_Search.inc.php
+++ b/Vlan_Search.inc.php
@@ -39,6 +39,7 @@
 
 <h4>Search for VLANs</h4>
 <form method="post" name="vlan" id="vlan" role="form" class="form-horizontal">
+<?php echo csrf_field() ?>
   <input type="hidden" name="search" id="search" value="search">
   <div class="form-group">
     <label for="vlans" class="col-sm-3 control-label">Search for VLANs (seperate by commas or new lines)</label>