From 3b5c7805cb57dc0ba93f5a473340b01ee335d047 Mon Sep 17 00:00:00 2001
From: billz <billzimmerman@gmail.com>
Date: Mon, 16 Nov 2020 18:18:51 +0000
Subject: [PATCH] Initial commit: AJAX get_netcfg

---
 ajax/networking/get_netcfg.php | 41 ++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 ajax/networking/get_netcfg.php

diff --git a/ajax/networking/get_netcfg.php b/ajax/networking/get_netcfg.php
new file mode 100644
index 00000000..f2e735a4
--- /dev/null
+++ b/ajax/networking/get_netcfg.php
@@ -0,0 +1,41 @@
+<?php
+
+require '../../includes/csrf.php';
+require_once '../../includes/config.php';
+
+$interface = $_GET['iface'];
+
+if (isset($interface)) {
+    exec('cat '. RASPI_DNSMASQ_PREFIX.$interface.'.conf', $return);
+    $conf = ParseConfig($return);
+
+    // populate data 
+    $dhcpdata['DHCPEnabled'] = empty($conf) ? false : true;
+    $arrRange = explode(",", $conf['dhcp-range']);
+    $dhcpdata['RangeStart'] = $arrRange[0];
+    $dhcpdata['RangeEnd'] = $arrRange[1];
+    $dhcpdata['RangeMask'] = $arrRange[2];
+    $dhcpdata['leaseTime'] = $arrRange[3];
+    $dhcpHost = $conf["dhcp-host"];
+    $dhcpHost = empty($dhcpHost) ? [] : $dhcpHost;
+    $dhcpdata['dhcpHost'] = is_array($dhcpHost) ? $dhcpHost : [ $dhcpHost ];
+    $upstreamServers = is_array($conf['server']) ? $conf['server'] : [ $conf['server'] ];
+    $dhcpdata['upstreamServers'] = array_filter($upstreamServers);
+
+    preg_match('/([0-9]*)([a-z])/i', $dhcpdata['leaseTime'], $arrRangeLeaseTime);
+    $dhcpdata['leaseTime'] = $arrRangeLeaseTime[1];
+    $dhcpdata['leaseTimeInterval'] = $arrRangeLeaseTime[2];
+
+    if (isset($conf['dhcp-option'])) {
+        $arrDns = explode(",", $conf['dhcp-option']);
+        if ($arrDns[0] == '6') {
+            if (count($arrDns) > 1) {
+                $dhcpdata['DNS1'] = $arrDns[1];
+            }
+            if (count($arrDns) > 2) {
+                $dhcpdata['DNS2'] = $arrDns[2];
+            }
+        }
+    }
+    echo json_encode($dhcpdata);
+}