Add telnet based authentication.

Continue authentication rewrite. Use abstract class with factory instanciation.

1 files changed, 72 insertions, 0 deletions

diff --git a/auth/telnet.php b/auth/telnet.php
new file mode 100644
index 0000000..ce758f3
--- /dev/null
+++ b/auth/telnet.php
@@ -0,0 +1,72 @@
+<?php
+
+/*
+ * Looking Glass - An easy to deploy Looking Glass
+ * Copyright (C) 2014 Guillaume Mazoyer <gmazoyer@gravitons.in>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ */
+
+require_once 'authentication.php';
+
+class Telnet extends Authentication {
+  private $port;
+
+  public function __construct($config) {
+    parent::__construct($config);
+
+    $this->port = isset($this->config['port']) ? $this->config['port'] : 23;
+  }
+
+  protected function check_config() {
+    if (!isset($this->config['user']) || !isset($this->config['pass'])) {
+      throw new Exception('User and password required for telnet.');
+    }
+  }
+
+  public function connect() {
+    $this->connection = fsockopen($this->config['host'], $this->port);
+    if (!$this->connection) {
+      throw new Exception('Cannot connect to router.');
+    }
+
+    fputs($this->connection, $this->config['user']."\r");
+    fputs($this->connection, $this->config['pass']."\r");
+  }
+
+  public function send_command($command) {
+    if ($this->connection == null) {
+      $this->connect();
+    }
+
+    $data = '';
+    while(!feof(!$this->connection)) {
+      $data .= fread($this->connection, 4096);
+    }
+
+    return $data;
+  }
+
+  public function disconnect() {
+    fclose($this->connection);
+    $this->connection = null;
+  }
+
+  public function __destruct() {
+    parent::__destruct();
+  }
+}
+
+// End of telnet.php