577 lines
16 KiB
PHP
577 lines
16 KiB
PHP
<?php
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/**
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* Quick Shell extension.
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*
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* @category Extension
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* @package Pandora FMS
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* @subpackage QuickShell
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* @version 1.0.0
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* @license See below
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*
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* ______ ___ _______ _______ ________
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* | __ \.-----.--.--.--| |.-----.----.-----. | ___| | | __|
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* | __/| _ | | _ || _ | _| _ | | ___| |__ |
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* |___| |___._|__|__|_____||_____|__| |___._| |___| |__|_|__|_______|
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*
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* ============================================================================
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* Copyright (c) 2005-2021 Artica Soluciones Tecnologicas
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* Please see http://pandorafms.org for full contribution list
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation for version 2.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* ============================================================================
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*/
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// Begin.
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global $config;
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require_once $config['homedir'].'/include/functions_agents.php';
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require_once $config['homedir'].'/godmode/wizards/Wizard.main.php';
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/**
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* Undocumented function
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*
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* @param string $url Url.
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* @param array $params Params.
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*
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* @return mixed Result
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*/
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function curl(string $url, array $params)
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{
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
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$get_result = curl_exec($ch);
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curl_close($ch);
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return $get_result;
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}
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/**
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* Show Quick Shell interface.
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*
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* @return void
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*/
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function quickShell()
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{
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global $config;
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check_login();
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if (check_acl($config['id_user'], 0, 'PM') === false) {
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db_pandora_audit(
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AUDIT_LOG_ACL_VIOLATION,
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'Trying to access Profile Management'
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);
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include 'general/noaccess.php';
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return;
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}
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$agent_id = get_parameter('id_agente', 0);
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$username = get_parameter('username', null);
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$method = get_parameter('method', null);
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$method_port = get_parameter('port', null);
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// Retrieve main IP Address.
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$address = agents_get_address($agent_id);
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ui_require_css_file('wizard');
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ui_require_css_file('discovery');
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// Settings.
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// WebSocket host, where client should connect.
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if (isset($config['ws_port']) === false) {
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config_update_value('ws_port', 8080);
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}
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if (empty($config['ws_proxy_url']) === true) {
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$ws_url = 'http://'.$_SERVER['SERVER_ADDR'].':'.$config['ws_port'];
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} else {
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preg_match('/\/\/(.*)/', $config['ws_proxy_url'], $matches);
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if (isset($_SERVER['HTTPS']) === true) {
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$ws_url = 'https://'.$matches[1];
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} else {
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$ws_url = 'http://'.$matches[1];
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}
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}
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// Gotty settings. Internal communication (WS).
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if (isset($config['gotty_host']) === false) {
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config_update_value('gotty_host', '127.0.0.1');
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}
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if (isset($config['gotty_telnet_port']) === false) {
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config_update_value('gotty_telnet_port', 8082);
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}
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if (isset($config['gotty_ssh_port']) === false) {
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config_update_value('gotty_ssh_port', 8081);
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}
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// Context to allow self-signed certs.
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$context = stream_context_create(
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[
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'http' => [ 'method' => 'GET'],
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'ssl' => [
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'verify_peer' => false,
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'verify_peer_name' => false,
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],
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]
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);
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// Username. Retrieve from form.
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if (empty($username) === true) {
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// No username provided, ask for it.
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$wiz = new Wizard();
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$test = curl($ws_url, []);
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if ($test === false) {
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ui_print_error_message(__('WebService engine has not been started, please check documentation.'));
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$wiz->printForm(
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[
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'form' => [
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'method' => 'POST',
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'action' => '#',
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'id' => 'retry_form',
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],
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]
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);
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html_print_action_buttons(
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html_print_submit_button(
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__('Retry'),
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'submit',
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false,
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[
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'icon' => 'next',
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'form' => 'retry_form',
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],
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true
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)
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);
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return;
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}
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$wiz->printForm(
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[
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'form' => [
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'action' => '#',
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'class' => 'wizard',
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'method' => 'post',
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'id' => 'connect_form',
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],
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'inputs' => [
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[
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'label' => __('Username'),
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'arguments' => [
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'type' => 'text',
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'name' => 'username',
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],
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],
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[
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'label' => __('Port'),
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'arguments' => [
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'type' => 'text',
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'id' => 'port',
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'name' => 'port',
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'value' => 22,
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],
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],
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[
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'label' => __('Method'),
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'arguments' => [
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'type' => 'select',
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'name' => 'method',
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'fields' => [
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'ssh' => __('SSH'),
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'telnet' => __('Telnet'),
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],
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'script' => "p=22; if(this.value == 'telnet') { p=23; } $('#text-port').val(p);",
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],
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],
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],
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],
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false,
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true
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);
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html_print_action_buttons(
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html_print_submit_button(
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__('Connect'),
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'submit',
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false,
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[
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'icon' => 'cog',
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'form' => 'connect_form',
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],
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true
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)
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);
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return;
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}
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// Initialize Gotty Client.
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$host = $config['gotty_host'];
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if ($method == 'ssh') {
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// SSH.
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$port = $config['gotty_ssh_port'];
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$command_arguments = "var args = '?arg=".$username.'@'.$address;
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$command_arguments .= '&arg=-p '.$method_port."';";
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} else if ($method == 'telnet') {
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// Telnet.
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$port = $config['gotty_telnet_port'];
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$username = preg_replace('/[^a-zA-Z0-9\-\.]/', '', $username);
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$command_arguments = "var args = '?arg=-l ".$username;
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$command_arguments .= '&arg='.$address;
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$command_arguments .= '&arg='.$method_port."&arg=-E';";
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} else {
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ui_print_error_message(__('Please use SSH or Telnet.'));
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return;
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}
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// If rediretion is enabled, we will try to connect using
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// http:// or https:// endpoint.
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$test = get_headers($ws_url, false, $context);
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if ($test === false) {
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if (empty($wiz) === true) {
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$wiz = new Wizard();
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}
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ui_print_error_message(__('WebService engine has not been started, please check documentation.'));
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echo $wiz->printGoBackButton('#');
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return;
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}
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// Check credentials.
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$auth_str = '';
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$gotty_url = $host.':'.$port;
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if (empty($config['gotty_user']) === false
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&& empty($config['gotty_pass']) === false
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) {
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$auth_str = io_safe_output($config['gotty_user']);
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$auth_str .= ':'.io_output_password($config['gotty_pass']);
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$gotty_url = $auth_str.'@'.$host.':'.$port;
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}
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$r = file_get_contents('http://'.$gotty_url.'/js/hterm.js');
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if (empty($r) === true) {
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if (empty($wiz) === true) {
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$wiz = new Wizard();
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}
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ui_print_error_message(__('WebService engine is not working properly, please check documentation.'));
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echo $wiz->printGoBackButton('#');
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return;
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}
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// Override gotty client settings.
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if (empty($auth_str) === true) {
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$r .= "var gotty_auth_token = '';";
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} else {
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$r .= "var gotty_auth_token = '";
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$r .= $auth_str."';";
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}
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// Set websocket target and method.
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$gotty = file_get_contents('http://'.$gotty_url.'/js/gotty.js');
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$url = "var url = (httpsEnabled ? 'wss://' : 'ws://') + window.location.host + window.location.pathname + 'ws';";
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if (empty($config['ws_proxy_url']) === true) {
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$new = "var url = (httpsEnabled ? 'wss://' : 'ws://')";
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$new .= " + window.location.host + ':";
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$new .= $config['ws_port'].'/'.$method."';";
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} else {
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$new = "var url = '";
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$new .= $config['ws_proxy_url'].'/'.$method."';";
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}
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// Update firefox issue.
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$original = ' this.iframe_.src = \'#\';';
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$trick = 'this.iframe_.src = \'javascript:\';';
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$r = str_replace($original, $trick, $r);
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// Update url.
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$gotty = str_replace($url, $new, $gotty);
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// Update websocket arguments.
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$args = 'var args = window.location.search;';
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$new = $command_arguments;
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// Update arguments.
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$gotty = str_replace($args, $new, $gotty);
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?>
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<style>#terminal {
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height: 650px;
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width: 100%;
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margin: 0px;
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padding: 0;
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}
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#terminal > iframe {
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position: relative!important;
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}
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</style>
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<div id="terminal"></div>
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<script type="text/javascript">
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<?php echo $r; ?>
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</script>
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<script type="text/javascript">
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<?php echo $gotty; ?>
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</script>
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<?php
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}
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/**
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* Provide an interface where configure all settings.
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*
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* @return void
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*/
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function quickShellSettings()
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{
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global $config;
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ui_require_css_file('wizard');
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ui_require_css_file('discovery');
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// Gotty settings. Internal communication (WS).
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if (isset($config['gotty_host']) === false) {
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config_update_value('gotty_host', '127.0.0.1');
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}
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if (isset($config['gotty_telnet_port']) === false) {
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config_update_value('gotty_telnet_port', 8082);
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}
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if (isset($config['gotty_ssh_port']) === false) {
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config_update_value('gotty_ssh_port', 8081);
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}
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// Parser.
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if (get_parameter('update_config', false) !== false) {
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// Gotty settings. Internal communication (WS).
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$gotty = get_parameter(
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'gotty',
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''
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);
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$gotty_host = get_parameter(
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'gotty_host',
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''
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);
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$gotty_ssh_port = get_parameter(
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'gotty_ssh_port',
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''
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);
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$gotty_telnet_port = get_parameter(
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'gotty_telnet_port',
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''
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);
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$gotty_user = get_parameter(
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'gotty_user',
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''
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);
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$gotty_pass = get_parameter(
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'gotty_pass',
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''
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);
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$gotty_pass = io_input_password($gotty_pass);
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$changes = 0;
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$critical = 0;
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if ($config['gotty'] != $gotty) {
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config_update_value('gotty', $gotty);
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$changes++;
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$critical++;
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}
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if ($config['gotty_host'] != $gotty_host) {
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config_update_value('gotty_host', $gotty_host);
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$changes++;
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}
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if ($config['gotty_telnet_port'] != $gotty_telnet_port) {
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config_update_value('gotty_telnet_port', $gotty_telnet_port);
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$changes++;
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}
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if ($config['gotty_ssh_port'] != $gotty_ssh_port) {
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config_update_value('gotty_ssh_port', $gotty_ssh_port);
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$changes++;
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}
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if ($config['gotty_user'] != $gotty_user) {
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config_update_value('gotty_user', $gotty_user);
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$changes++;
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$critical++;
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}
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if ($config['gotty_pass'] != $gotty_pass) {
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$gotty_pass = io_input_password($gotty_pass);
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config_update_value('gotty_pass', $gotty_pass);
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$changes++;
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$critical++;
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}
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}
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if ($changes > 0) {
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$msg = __('%d Updated', $changes);
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if ($critical > 0) {
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$msg = __(
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'%d Updated, please restart WebSocket engine service',
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$changes
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);
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}
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ui_print_success_message($msg);
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}
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// Form. Using old style.
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echo '<fieldset class="margin-bottom-10">';
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echo '<legend>'.__('Quickshell').'</legend>';
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$t = new StdClass();
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$t->data = [];
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$t->width = '100%';
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$t->class = 'filter-table-adv';
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$t->data = [];
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$t->style = [];
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$t->style[0] = 'width: 50%;';
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$t->data[0][] = html_print_label_input_block(
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__('Gotty path'),
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html_print_input_text(
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'gotty',
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$config['gotty'],
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'',
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30,
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100,
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true
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)
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);
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$t->data[0][] = html_print_label_input_block(
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__('Gotty host'),
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html_print_input_text(
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'gotty_host',
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$config['gotty_host'],
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'',
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30,
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100,
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true
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)
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);
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$t->data[1][] = html_print_label_input_block(
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__('Gotty ssh port'),
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html_print_input_text(
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'gotty_ssh_port',
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$config['gotty_ssh_port'],
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'',
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30,
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100,
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true
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)
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);
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$t->data[1][] = html_print_label_input_block(
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__('Gotty telnet port'),
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html_print_input_text(
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'gotty_telnet_port',
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$config['gotty_telnet_port'],
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'',
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30,
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100,
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true
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)
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);
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$hidden = new stdClass();
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$hidden->data = [];
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$hidden->width = '100%';
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$hidden->class = 'filter-table-adv';
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$hidden->data = [];
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$hidden->style[0] = 'width: 50%;';
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$hidden->data[0][] = html_print_label_input_block(
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__('Gotty user'),
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html_print_input_text(
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'gotty_user',
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$config['gotty_user'],
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'',
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30,
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100,
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true
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)
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);
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$hidden->data[0][] = html_print_label_input_block(
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__('Gotty password'),
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html_print_input_password(
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'gotty_pass',
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io_output_password($config['gotty_pass']),
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'',
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30,
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100,
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true
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)
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);
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html_print_table($t);
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ui_print_toggle(
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[
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'content' => html_print_table($hidden, true),
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'name' => __('Advanced options'),
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'clean' => false,
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'main_class' => 'no-border-imp',
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'container_class' => 'no-border-imp',
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]
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);
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echo '</fieldset>';
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}
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|
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// This extension is usefull only if the agent has associated IP.
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$agent_id = get_parameter('id_agente');
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if (empty($agent_id) === false
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&& get_parameter('sec2', '') == 'operation/agentes/ver_agente'
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) {
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$address = agents_get_address($agent_id);
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if (empty($address) === false) {
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// Extension registration.
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extensions_add_opemode_tab_agent(
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// TabId.
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'quick_shell',
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// TabName.
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__('QuickShell'),
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|
// TabIcon.
|
|
'images/quick-shell@svg.svg',
|
|
// TabFunction.
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'quickShell',
|
|
// Version.
|
|
'N/A',
|
|
// Acl.
|
|
'PM'
|
|
);
|
|
}
|
|
}
|
|
|
|
extensions_add_godmode_function('quickShellSettings');
|