Merge pull request #620 from zbchristian/master

Add internet connectivity information to network UI

config/config.php

@@ -23,6 +23,8 @@ define('RASPI_OPENVPN_CLIENT_LOGIN', '/etc/openvpn/client/login.conf');
 define('RASPI_OPENVPN_SERVER_CONFIG', '/etc/openvpn/server/server.conf');
 define('RASPI_TORPROXY_CONFIG', '/etc/tor/torrc');
 define('RASPI_LIGHTTPD_CONFIG', '/etc/lighttpd/lighttpd.conf');
+define('RASPI_ACCESS_CHECK_IP', '1.1.1.1');
+define('RASPI_ACCESS_CHECK_DNS', 'one.one.one.one');
 
 // Constant for the 5GHz wireless regulatory domain
 define('RASPI_5GHZ_ISO_ALPHA2', array('US'));

includes/defaults.php

@@ -27,6 +27,8 @@ $defaults = [
   'RASPI_OPENVPN_SERVER_CONFIG' => '/etc/openvpn/server/server.conf',
   'RASPI_TORPROXY_CONFIG' => '/etc/tor/torrc',
   'RASPI_LIGHTTPD_CONFIG' => '/etc/lighttpd/lighttpd.conf',
+  'RASPI_ACCESS_CHECK_IP' => '1.1.1.1',
+  'RASPI_ACCESS_CHECK_DNS' => 'one.one.one.one',
 
   // Optional services, set to true to enable.
   'RASPI_WIFICLIENT_ENABLED' => true,

includes/internetRoute.php

@@ -0,0 +1,30 @@
+<?php
+
+$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}\.){3}[0-9]{1,3}).*/\3 \4 \1/p"', $routes);
+if (!empty($routes) ) {
+    foreach ($routes as $i => $route) {
+        $prop=explode(' ', $route);
+        $rInfo[$i]["interface"]=$prop[0];
+        $rInfo[$i]["ip-address"]=$prop[1];
+        $rInfo[$i]["gateway"]=$prop[2];
+        // resolve the name of the gateway (if possible)
+        unset($host);
+        exec('host '.$prop[2].' | sed -rn "s/.*domain name pointer (.*)\./\1/p" | head -n 1', $host);
+        $rInfo[$i]["gw-name"] = empty($host) ? "*" : $host[0];
+        if (isset($checkAccess) && $checkAccess) {
+            // check internet connectivity w/ and w/o DNS resolution
+            unset($okip);
+            exec('ping -W1 -c 1 -I '.$prop[0].' '.RASPI_ACCESS_CHECK_IP.' |  sed -rn "s/.*icmp_seq=1.*time=.*/OK/p"',$okip);
+            $rInfo[$i]["access-ip"] = empty($okip) ? false : true;
+            unset($okdns);
+            exec('ping -W1 -c 1 -I '.$prop[0].' '.RASPI_ACCESS_CHECK_DNS.' |  sed -rn "s/.*icmp_seq=1.*time=.*/OK/p"',$okdns);
+            $rInfo[$i]["access-dns"] = empty($okdns) ? false : true;
+        }
+    }
+} else {
+    $rInfo = array("error"=>"No route to the internet found");
+}
+$rInfo_json = json_encode($rInfo);
+?>

locale/en_US/LC_MESSAGES/messages.po

@@ -451,6 +451,9 @@ msgstr "Configures the max_num_sta option of hostapd. The default and maximum is
 msgid "Summary"
 msgstr "Summary"
 
+msgid "Internet connection"
+msgstr "Internet connection"
+
 msgid "Current settings"
 msgstr "Current settings"
 

templates/networking.php

@@ -26,8 +26,49 @@
           <?php endif ?>
         </ul>
         <div class="tab-content">
-
           <div role="tabpanel" class="tab-pane active" id="summary">
+            <h4 class="mt-3"><?php echo _("Internet connection"); ?></h4>
+            <div class="row">
+             <div class="col-sm-12"">
+              <div class="card ">
+                <div class="card-body">
+                  <div class="table-responsive">
+                    <table class="table table-hover">
+                      <thead>
+                        <tr>
+                          <th><?php echo _("Interface"); ?></th>
+                          <th><?php echo _("IP Address"); ?></th>
+                          <th><?php echo _("Gateway"); ?></th>
+                          <th colspan="2"><?php echo _("Internet Access"); ?></th>
+                        </tr>
+                      </thead>
+                      <tbody>
+                        <?php
+                         $checkAccess=true;
+                         require "includes/internetRoute.php";
+                        if (isset($rInfo["error"]) || empty($rInfo)) {
+                            echo "<tr><td colspan=5>No route to the internet found</td></tr>";
+                        } else {
+                            foreach($rInfo as $route) {
+                                echo "<tr>";
+                                echo "<td>".$route["interface"]."</td>";
+                                echo "<td>".$route["ip-address"]."</td>";
+                                echo "<td>".$route["gateway"]."<br>".$route["gw-name"]."</td>";
+                                $checkok = $route["access-ip"] ? "&check;" : "failed";
+                                echo "<td>".$checkok."<br>".RASPI_ACCESS_CHECK_IP."</td>";
+                                $checkok = $route["access-dns"] ? "&check;" : "failed";
+                                echo "<td>".$checkok."<br>".RASPI_ACCESS_CHECK_DNS."</td>";
+                                echo "</tr>";
+                            }
+                        }
+                        ?>
+                      </tbody>
+                    </table>
+                  </div>
+                </div>
+              </div>
+             </div>
+            </div>
             <h4 class="mt-3"><?php echo _("Current settings") ?></h4>
             <div class="row">
               <?php foreach ($interfaces as $if): ?>