From 0be1ee22dcfac36c59747af649ae36c360baf724 Mon Sep 17 00:00:00 2001
From: Conrad Lara - KG6JEI <KG6JEI@amsat.org>
Date: Wed, 29 Apr 2015 23:11:23 -0700
Subject: [PATCH 1/2] Update node help to include details about "Disable
 Default Route" checkbox

---
 files/www/help.html | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/files/www/help.html b/files/www/help.html
index 0eb5b0de..cd364b63 100644
--- a/files/www/help.html
+++ b/files/www/help.html
@@ -297,6 +297,18 @@ The <strong>LAN</strong> box allows you to set the LAN IP Address
 of the node and the address range of the DHCP server, and these should be
 self explanatory.  The <b>LAN Mode</b> is described in the next section.
 
+<br><br>
+The <strong>Disable Default Route</strong> checkbox will cause the node to not 
+advertise that it should be chosen as the default route. This means that
+computers plugged into the node will not try and route to the internet or
+other networks via the mesh node and will only try and use the mesh node for
+the 10.0.0.0/8 and 172.16.0.0/12 "mesh" network ranges. You will not be able
+to access the internet, even if your node has internet available on its wan 
+port with this setting checked. This also applies to internet available over
+the mesh. Use this only if you know what a default route is and you need to
+be connected to two networks at once such as wired to the mesh, and WiFi to
+a local served agency network.
+
 <!--
 , but the <strong>Mesh Bridge</strong> function will be described
 here.  Given that AREDN&trade; is not restricted to the standard channels of the

From a1ce01044d3ec62452019fa16ab834b17c4c62d0 Mon Sep 17 00:00:00 2001
From: Conrad Lara - KG6JEI <KG6JEI@amsat.org>
Date: Wed, 29 Apr 2015 23:18:09 -0700
Subject: [PATCH 2/2] feature: Add Disable Default Route checkbox to Lan box

Allows users to disable publishing 0.0.0.0/0 (all/internet) route via DHCP.
---
 files/usr/local/bin/node-setup | 11 ++++++++---
 files/www/cgi-bin/setup        |  9 +++++++++
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/files/usr/local/bin/node-setup b/files/usr/local/bin/node-setup
index 98d9cf2c..a8214fc2 100755
--- a/files/usr/local/bin/node-setup
+++ b/files/usr/local/bin/node-setup
@@ -503,13 +503,18 @@ if(wifi_useschains()){
     $cmd .= "uci set wireless.\@wifi-device[0].rxantenna=$cfg{wifi_rxant} >/dev/null 2>&1;";
     $cmd .= "uci set wireless.\@wifi-device[0].txantenna=$cfg{wifi_txant} >/dev/null 2>&1;";
 }
+
+# Setup node lan dhcp
+if ( $cfg{lan_dhcp_noroute} ) {
+    $cmd .= "uci add_list dhcp.\@dhcp[0].dhcp_option=3 >/dev/null 2>&1;"
+}
+
+# finish up
+
 $cmd .= "uci -q commit;";
 system $cmd;
 
 
-
-# finish up
-
 unless($auto)
 {
     print "configuration complete.\n";
diff --git a/files/www/cgi-bin/setup b/files/www/cgi-bin/setup
index 2fecadb1..06c14ea4 100755
--- a/files/www/cgi-bin/setup
+++ b/files/www/cgi-bin/setup
@@ -682,6 +682,15 @@ if($dmz_mode)
     print "<tr><td><nobr>DHCP End</nobr></td>";
     #print "<td><input type=text size=4 name=dmz_dhcp_end value='$dmz_dhcp_end' disabled></td></tr>\n";
     print "<td>$dmz_dhcp_end</td></tr>\n";
+
+    print "<tr><td colspan=2><hr></hr></td></tr>";
+    print "<tr><th colspan=2>Advanced</th></tr>";
+
+    print "<tr><td>Disable<br>Default Route</td>";
+    print "<td><input type=checkbox name=lan_dhcp_noroute value=1";
+    print " checked" if $lan_dhcp_noroute;
+    print "></td></tr>\n";
+
     push @hidden, "<input type=hidden name=dmz_dhcp_end value='$dmz_dhcp_end'>";
 
     push @hidden, "<input type=hidden name=dmz_dhcp_limit value='$dmz_dhcp_limit'>";