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-rw-r--r--auth/authentication.php58
-rw-r--r--auth/ssh.php107
-rw-r--r--auth/telnet.php72
3 files changed, 237 insertions, 0 deletions
diff --git a/auth/authentication.php b/auth/authentication.php
new file mode 100644
index 0000000..1ec3cb1
--- /dev/null
+++ b/auth/authentication.php
@@ -0,0 +1,58 @@
+<?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 'ssh.php';
+require_once 'telnet.php';
+
+abstract class Authentication {
+ protected $config;
+
+ public function __construct($config) {
+ $this->config = $config;
+ $this->check_config();
+ }
+
+ protected abstract function check_config();
+ public abstract function connect();
+ public abstract function disconnect();
+ public abstract function send_command($command);
+
+ public function __destruct() {
+ $this->disconnect();
+ }
+
+ public static final function instance($config) {
+ switch ($config['auth']) {
+ case 'ssh-password':
+ case 'ssh-key':
+ return new SSH($config);
+
+ case 'telnet':
+ return new Telnet($config);
+
+ default:
+ 'Unknown authentication mecanism "'.$config['auth'].'"."';
+ return null;
+ }
+ }
+}
+
+// End of authentication.php
diff --git a/auth/ssh.php b/auth/ssh.php
new file mode 100644
index 0000000..9d3506b
--- /dev/null
+++ b/auth/ssh.php
@@ -0,0 +1,107 @@
+<?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 SSH extends Authentication {
+ private $port;
+
+ public function __construct($config) {
+ parent::__construct($config);
+
+ $this->port = isset($this->config['port']) ? $this->config['port'] : 22;
+ }
+
+ protected function check_config() {
+ if ($this->config['auth'] == 'ssh-password') {
+ if (!isset($this->config['user']) || !isset($this->config['pass'])) {
+ throw new Exception('User and password required for ssh-password.');
+ }
+ }
+
+ if ($this->config['auth'] == 'ssh-key') {
+ if (!isset($this->config['user']) || !isset($this->config['public_key'])
+ || !isset($this->config['private_key'])) {
+ throw new Exception('User and key pair required for ssh-key.');
+ }
+ }
+ }
+
+ public function connect() {
+ $this->connection = ssh2_connect($this->config['host'], $this->port);
+ if (!$this->connection) {
+ throw new Exception('Cannot connect to router.');
+ }
+
+ $success = false;
+
+ if ($this->config['auth'] == 'ssh-password') {
+ $success = ssh2_auth_password($this->connection, $this->config['user'],
+ $this->config['pass']);
+ } else if ($this->config['auth'] == 'ssh-key') {
+ if (isset($this->config['pass'])) {
+ $success = ssh2_auth_pubkey_file($this->connection, $this->config['user'],
+ $this->config['public_key'], $this->config['private_key'],
+ $this->config['pass']);
+ } else {
+ $success = ssh2_auth_pubkey_file($this->connection, $this->config['user'],
+ $this->config['public_key'], $this->config['private_key']);
+ }
+ } else {
+ throw new Exception('Unknown type of connection for SSH.');
+ }
+
+ if (!success) {
+ throw new Exception('SSH authentication failed.');
+ }
+ }
+
+ public function send_command($command) {
+ if ($this->connection == null) {
+ $this->connect();
+ }
+
+ if (!($stream = ssh2_exec($this->connection, $command))) {
+ throw new Exception('SSH command failed');
+ }
+
+ stream_set_blocking($stream, true);
+
+ $data = '';
+ while ($buf = fread($stream, 4096)) {
+ $data .= $buf;
+ }
+ fclose($stream);
+
+ return $data;
+ }
+
+ public function disconnect() {
+ $this->send_command('exit');
+ $this->connection = null;
+ }
+
+ public function __destruct() {
+ parent::__destruct();
+ }
+}
+
+// End of ssh.php
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
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