From e8f8296d5359a4f203a9e757c6e0816ac1739fc6 Mon Sep 17 00:00:00 2001
From: Carlos V <76731844+cvc90@users.noreply.github.com>
Date: Sat, 19 Aug 2023 09:29:11 +0200
Subject: [PATCH] Create nslookup.php

nslookup.php file is created to perform "nslookup" functions
---
 front/php/server/nslookup.php | 40 +++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 front/php/server/nslookup.php

diff --git a/front/php/server/nslookup.php b/front/php/server/nslookup.php
new file mode 100644
index 00000000..0a554813
--- /dev/null
+++ b/front/php/server/nslookup.php
@@ -0,0 +1,40 @@
+<?php
+
+###################################################################################
+#  Pi.Alert                                                                       #
+#  Open Source Network Guard / WIFI & LAN intrusion detector                      #
+#                                                                                 #
+#  nslookup.php # Front module. Server side. System Information                   #
+###################################################################################
+#    Puche      2021        pi.alert.application@gmail.com   GNU GPLv3            #
+#    jokob#sk   2022        jokob.sk@gmail.com               GNU GPLv3            #
+#    leiweibau  2022        https://github.com/leiweibau     GNU GPLv3            #
+#    cvc90      2023        https://github.com/cvc90         GNU GPLv3            #
+###################################################################################
+
+// Get init.php 
+require dirname(__FILE__).'/../server/init.php';
+
+// Get IP
+$ip = $_GET['ip'];
+
+// Check if IP is valid
+if (!filter_var($ip, FILTER_VALIDATE_IP)) {
+	// Error message
+	$output = lang('DevDetail_Tab_Tools_Nslookup_Error');
+	// Show the result
+	echo "<pre>";
+	echo $output;
+	echo "</pre>";
+	exit;
+}
+
+// Test with the "nslookup" command
+$output = shell_exec("nslookup $ip");
+
+// Show the result
+echo "<pre>";
+echo $output;
+echo "</pre>";
+
+?>