Wireguard settings page

plugins/dynamix/include/update.wireguard.php

@@ -0,0 +1,46 @@
+<?PHP
+/* Copyright 2005-2019, Lime Technology
+ * Copyright 2012-2019, Bergware International.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+?>
+<?
+switch ($_POST['#case']) {
+case 'keypair':
+  $private = '/var/tmp/privatekey';
+  $public = '/var/tmp/publickey';
+  exec("wg genkey|tee $private|wg pubkey >$public");
+  echo @file_get_contents($private)."\0".@file_get_contents($public);
+  @unlink($private);
+  @unlink($public);
+  break;
+case 'update':
+  $wg = $_POST['#wg'];
+  $port = $_POST['#port'];
+  $conf = ['[Interface]'];
+  $n = 0;
+  foreach ($_POST as $key => $value) {
+    if ($key[0]=='#') continue;
+    list($id,$i) = explode(':',$key);
+    if ($i != $n) {$conf[] = "\n[Peer]"; $n = $i;}
+    if ($value) $conf[] = "$id=$value";
+  }
+  file_put_contents($file,implode("\n",$conf));
+  exec("wg-quick down $port 2>/dev/null");
+  if ($wg) exec("wg-quick up $port 2>/dev/null");
+  $save = false;
+  break;
+case 'toggle':
+  $wg = $_POST['#wg'];
+  $port = $_POST['#port'];
+  if ($wg=='stop') exec("wg-quick down $port 2>/dev/null");
+  if ($wg=='start') exec("wg-quick up $port 2>/dev/null");
+  break;
+}
+?>