From 850f52e128dbbcab8c208e51941cce9bf4c905d0 Mon Sep 17 00:00:00 2001
From: zbchristian <33725910+zbchristian@users.noreply.github.com>
Date: Thu, 25 Jun 2020 15:54:56 +0200
Subject: [PATCH] Create internetRoute.php

---
 includes/internetRoute.php | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 includes/internetRoute.php

diff --git a/includes/internetRoute.php b/includes/internetRoute.php
new file mode 100644
index 00000000..711d7fff
--- /dev/null
+++ b/includes/internetRoute.php
@@ -0,0 +1,33 @@
+<?php
+
+define("ACCESS_CHECK_IP","1.1.1.1");
+define("ACCESS_CHECK_DNS","one.one.one.one");
+
+     $rInfo=array();
+// get all default routes
+     exec('ip route list |  sed -rn "s/default via (([0-9]{1,3}\.){3}[0-9]{1,3}).*dev (\w*).*src (([0-9]{1,3}\.){$
+     if ( !empty($routes) ) {
+        foreach ($routes as $i => $route) {
+          $prop=explode(' ',$route);
+          $rInfo[$i]["interface"]=$prop[0];
+          $rInfo[$i]["ip-address"]=$prop[1];
+          $rInfo[$i]["gateway"]=$prop[2];
+          // resolve the name of the gateway (if possible)
+          exec('host '.$prop[2].' | sed -rn "s/.*domain name pointer (.*)\./\1/p" | head -n 1',$host);
+          if (empty($host)) $host[0]="*";
+          $rInfo[$i]["gw-name"] = $host[0];
+          if (isset($checkAccess) && $checkAccess) {
+            // check internet connectivity w/ and w/o DNS resolution
+            exec('ping -W1 -c 1 -I '.$prop[0].' '.ACCESS_CHECK_IP.' |  sed -rn "s/.*icmp_seq=1.*time=.*/\&check\;$
+            if (empty($okip)) $okip[0]="failed";
+            $rInfo[$i]["access-ip"] = $okip[0];
+            exec('ping -W1 -c 1 -I '.$prop[0].' '.ACCESS_CHECK_DNS.' |  sed -rn "s/.*icmp_seq=1.*time=.*/\&check\$
+            if (empty($okdns)) $okdns[0]="failed";
+            $rInfo[$i]["access-dns"] = $okdns[0];
+          }
+        }
+      } else {
+        $data = array("error"=>"No route to the internet found");
+      }
+      $rInfo_json = json_encode($rInfo);
+?>