Add NAT features

package/gluon-core/files/lib/gluon/upgrade/110-network

@@ -10,7 +10,7 @@ uci:section('network', 'interface', 'wan',
 	      ifname = sysconfig.wan_ifname,
 	      type = 'bridge',
 	      igmp_snooping = 0,
-	      peerdns = 0,
+	      peerdns = 1,
 	      auto = 1,
 	    }
 )
@@ -51,6 +51,15 @@ uci:section('network', 'route6', 'wan6_unreachable',
 	    }
 )
 
+uci:section('network', 'interface', 'lan',
+	    {
+	      type = 'bridge',
+	      proto = 'static',
+	      ipaddr = '192.168.0.1',
+	      netmask = '255.255.255.0',
+	    }
+)
+
 uci:save('network')
 uci:commit('network')
 

package/gluon-luci-portconfig/files/usr/lib/lua/luci/model/cbi/admin/portconfig.lua

@@ -88,9 +88,14 @@ o.default = uci:get_bool("network", "mesh_wan", "auto") and o.enabled or o.disab
 o.rmempty = false
 
 if sysconfig.lan_ifname then
-  o = s:option(Flag, "mesh_lan", translate("Enable meshing on the LAN interface"))
+  o = s:option(ListValue, "lan_option", translate("LAN interface"))
-  o.default = uci:get_bool("network", "mesh_lan", "auto") and o.enabled or o.disabled
+  o:value("client", translate("Client network"))
-  o.rmempty = false
+  o:value("mesh", translate("Mesh network"))
+  -- TODO: o:value("bridge", translate("Private network (Bridged)"))
+  o:value("nat", translate("Private network (NAT)"))
+  o.default = (uci:get_bool("network", "mesh_lan", "auto") and "mesh") or
+    (uci.get("network", "lan", "ifname") == sysconfig.lan_ifname and "nat") or
+    "client"
 end
 
 
@@ -119,12 +124,22 @@ function f.handle(self, state, data)
     uci:set("network", "mesh_wan", "auto", data.mesh_wan)
 
     if sysconfig.lan_ifname then
-      uci:set("network", "mesh_lan", "auto", data.mesh_lan)
+      if data.lan_option == 'client' then
-
-      if data.mesh_lan == '1' then
-        uci:set("network", "client", "ifname", "bat0")
-      else
         uci:set("network", "client", "ifname", sysconfig.lan_ifname .. " bat0")
+      else
+        uci:set("network", "client", "ifname", "bat0")
+      end
+
+      if data.lan_option == 'nat' then
+        uci:set("network", "lan", "ifname", sysconfig.lan_ifname)
+      else
+        uci:set("network", "lan", "ifname", '')
+      end
+
+      if data.lan_option == 'mesh' then
+        uci:set("network", "mesh_lan", "auto", '1')
+      else
+        uci:set("network", "mesh_lan", "auto", '0')
       end
     end
 

package/gluon-luci-private-wifi/files/usr/lib/lua/luci/model/cbi/admin/privatewifi.lua

@@ -29,6 +29,10 @@ o:depends("enabled", '1')
 o.datatype = "wpakey"
 o.default = uci:get(config, primary_iface, "key")
 
+o = s:option(Flag, "nat", translate("Use NAT"))
+o:depends("enabled", '1')
+o.default = uci:get(config, primary_iface, "network") == "lan" and o.enabled or o.disabled
+
 function f.handle(self, state, data)
   if state == FORM_VALID then
     uci:foreach(config, "wifi-device",
@@ -41,7 +45,7 @@ function f.handle(self, state, data)
           uci:section(config, "wifi-iface", name,
                       {
                         device     = device,
-                        network    = "wan",
+                        network    = data.nat == '1' and "lan" or "wan",
                         mode       = 'ap',
                         encryption = 'psk2',
                         ssid       = data.ssid,