From 9bde9db332a266be4328522239d0c8d1ab4836f4 Mon Sep 17 00:00:00 2001
From: ryanknapper <ryanknapper@gmail.com>
Date: Tue, 26 Dec 2017 13:50:25 -0500
Subject: [PATCH] Update settings.php

Added configuration section to specify the conditional forwarding options.
---
 settings.php | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/settings.php b/settings.php
index a032c9ee..1e7983ac 100644
--- a/settings.php
+++ b/settings.php
@@ -176,6 +176,13 @@ if (isset($setupVars["DNSMASQ_LISTENING"])) {
 } else {
     $DNSinterface = "single";
 }
+if (isset($setupVars["CONDITIONAL_FORWARDING"]) && ($setupVars["CONDITIONAL_FORWARDING"] == 1)) {
+    $conditionalForwarding = true;
+    $conditionalForwardingDomain = $setupVars["CONDITIONAL_FORWARDING_DOMAIN"];
+    $conditionalForwardingIP = $setupVars["CONDITIONAL_FORWARDING_IP"];
+} else {
+    $conditionalForwarding = false;
+}
 ?>
 
 <?php
@@ -811,6 +818,41 @@ if (isset($_GET['tab']) && in_array($_GET['tab'], array("sysadmin", "blocklists"
                                                    DNSSEC. Note that the size of your log might increase significantly
                                                    when enabling DNSSEC. A DNSSEC resolver test can be found
                                                    <a href="http://dnssec.vs.uni-due.de/" target="_blank">here</a>.</p>
+                                                <label>Conditional Forwarding</label>
+                                                <p>If not configured as your DHCP server Pi-Hole won't able to
+                                                   determine the names of devices on your local network and tables
+                                                   such as Top Clients will only show IP addresses.  One solution
+                                                   for this is to configure Pi-Hole to forward these requests to
+                                                   your home router, but just for what's inside your home.  To
+                                                   configure this we will need to know the IP address of your
+                                                   router and the name of your local network.</p>
+                                                <p>Note: The local domain name must match the domain name specified in your router.</p>
+                                                <div class="form-group">
+                                                    <div class="checkbox">
+                                                        <label><input type="checkbox" name="conditionalForwarding" value="conditionalForwarding"
+                                                        <?php if(isset($conditionalForwarding) && ($conditionalForwarding == true)){ ?>checked<?php }
+                                                        ?>>Use Conditional Forwarding</label>
+                                                    </div>
+                                                    <div class="input-group">
+                                                      <table class="table table-bordered">
+                                                        <tr>
+                                                          <th>IP of your router</th>
+                                                          <th>Local domain name</th>
+                                                        </tr>
+                                                        <tr>
+                                                          <div class="input-group">
+                                                            <td>
+                                                              <input type="text" name="conditionalForwardingIP" class="form-control" data-inputmask="'alias': 'ip'" data-mask 
+                                                              <?php if(isset($conditionalForwardingIP)){ ?>value="<?php echo $conditionalForwardingIP; ?>"<?php } ?>>
+                                                            </td>
+                                                            <td><input type="text" name="conditionalForwardingDomain" class="form-control" data-mask 
+                                                              <?php if(isset($conditionalForwardingDomain)){ ?>value="<?php echo $conditionalForwardingDomain; ?>"<?php } ?>>
+                                                            </td>
+                                                          </div>
+                                                        </tr>
+                                                      </table>
+                                                    </div>
+                                                </div>
                                             </div>
                                         </div>
                                     </div>