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<?php
/*
**************************************************************
* PHPTerminal *
**************************************************************
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 2
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 can get a copy of the GNU General Public License from this
address: http://www.gnu.org/copyleft/gpl.html#SEC1
You can also write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA.
This project is inspired and based on PHP Shell 2.0! Please visit:
http://www.gimpster.com/wiki/PhpShell
bzrudi
*/
/* User config options */
// example (single user)
// $passwd = array('user' => 'passwd');
// example (multiple user)
// $passwd = array('usera' => 'passwd',
// 'userb' => 'passwd');
// and so on...
$passwd = array('apache' => '');
$aliases = array('la' => 'ls -la',
'll' => 'ls -lvhF',
'dir' => 'ls' );
/* do NOT change anything below this line */
error_reporting(E_ALL);
class phpTerm
{
function phpTerm()
{} // constructor
function formatPrompt()
{
$user=shell_exec("whoami");
$host=explode(".", shell_exec("uname -n"));
$_SESSION['prompt'] = "".rtrim($user).""."@"."".rtrim($host[0])."";
}
function checkPassword($passwd)
{
if(!isset($_SERVER['PHP_AUTH_USER'])||
!isset($_SERVER['PHP_AUTH_PW']) ||
!isset($passwd[$_SERVER['PHP_AUTH_USER']]) ||
$passwd[$_SERVER['PHP_AUTH_USER']] != $_SERVER['PHP_AUTH_PW'])
{
@session_destroy();
return false;
}
else
{
@session_start();
return true;
}
}
function logout($logout)
{
if($logout==true){
header('WWW-Authenticate: Basic realm="PHP-Terminal"');
header('HTTP/1.0 401 Unauthorized');
exit();
}
}
function phpCheckVersion($min_version)
{
$is_version=phpversion();
list($v1,$v2,$v3,$v4) = sscanf($is_version,"%d.%d.%d%s");
list($m1,$m2,$m3,$m4) = sscanf($min_version,"%d.%d.%d%s");
if($v1>$m1)
return(1);
elseif($v1<$m1)
return(0);
if($v2>$m2)
return(1);
elseif($v2<$m2)
return(0);
if($v3>$m3)
return(1);
elseif($v3<$m3)
return(0);
if((!$v4)&&(!$m4))
return(1);
if(($v4)&&(!$m4))
{
$is_version=strpos($v4,"pl");
if(is_integer($is_version))
return(1);
return(0);
}
elseif((!$v4)&&($m4))
{
$is_version=strpos($m4,"rc");
if(is_integer($is_version))
return(1);
return(0);
}
return(0);
}
function initVars()
{
if (empty($_SESSION['cwd']) || @!empty($_GET['reset']))
{
$_SESSION['cwd'] = getcwd();
$_SESSION['history'] = array();
$_SESSION['output'] = '';
$_REQUEST['command'] ='';
$_SESSION['color'] = 'linux';
}
}
function buildCommandHistory()
{
if(!empty($_REQUEST['command']))
{
if(get_magic_quotes_gpc())
{
$_REQUEST['command'] = stripslashes($_REQUEST['command']);
}
// drop old commands from list if exists
if (($i = array_search($_REQUEST['command'], $_SESSION['history'])) !== false)
{
unset($_SESSION['history'][$i]);
}
array_unshift($_SESSION['history'], $_REQUEST['command']);
// append commmand */
$_SESSION['output'] .= "{$_SESSION['prompt']}".":>"."{$_REQUEST['command']}"."\n";
}
}
function buildJavaHistory()
{
// build command history for use in the JavaScript
if (empty($_SESSION['history']))
{
$_SESSION['js_command_hist'] = '""';
}
else
{
$escaped = array_map('addslashes', $_SESSION['history']);
$_SESSION['js_command_hist'] = '"", "' . implode('", "', $escaped) . '"';
}
}
function setTerminalColor($color)
{
//$_SESSION['color']="$color";
// terminal colors
switch($color)
{
case "linux":
{
echo "<style>textarea {width: 99.5%; border: none; margin: 0px; padding: 2px 2px 2px; color: #CCCCCC; background-color: #000000;}
p {font-family: monospace; margin: 0px; padding: 0px 2px 2px; background-color: #000000; color: #CCCCCC;}
input.prompt {border: none; font-family: monospace; background-color: #000000; color: #CCCCCC;}</style>";
break;
}
case "green":
{
echo "<style>
textarea {width: 99.5%; border: none; margin: 0px; padding: 2px 2px 2px; color: #00C000; background-color: #000000;}
p {font-family: monospace; margin: 0px; padding: 0px 2px 2px; background-color: #000000; color: #00C000;}
input.prompt {border: none; font-family: monospace; background-color: #000000; color: #00C000;}</style>";
break;
}
case "black":
{
echo "<style>
textarea {width: 99.5%; border: none; margin: 0px; padding: 2px 2px 2px; color: #000000; background-color: #00C000;}
p {font-family: monospace; margin: 0px; padding: 0px 2px 2px; background-color: #00C000; color: #000000;}
input.prompt {border: none; font-family: monospace; background-color: #00C000; color: #000000;}</style>";
break;
}
case "gray":
{
echo "<style>
textarea {width: 99.5%; border: none; margin: 0px; padding: 2px 2px 2px; color: #CCCCCC; background-color: #0000FF;}
p {font-family: monospace; margin: 0px; padding: 0px 2px 2px; background-color: #0000FF; color: #CCCCCC;}
input.prompt {border: none; font-family: monospace; background-color: #0000FF; color: #CCCCCC;}</style>";
break;
}
default:
{
echo "<style>textarea {width: 99.5%; border: none; margin:0px; padding: 2px 2px 2px; color: #CCCCCC; background-color: #000000;}
p {font-family: monospace; margin: 0px; padding: 0px 2px 2px; background-color: #000000; color: #CCCCCC;}
input.prompt {border: none; font-family: monospace; background-color: #000000; color: #CCCCCC;}</style>";
break;
}
}
}
function outputHandle($aliases)
{
if (ereg('^[[:blank:]]*cd[[:blank:]]*$', @$_REQUEST['command']))
{
$_SESSION['cwd'] = getcwd(); //dirname(__FILE__);
}
elseif(ereg('^[[:blank:]]*cd[[:blank:]]+([^;]+)$', @$_REQUEST['command'], $regs))
{
// The current command is 'cd', which we have to handle as an internal shell command.
// absolute/relative path ?"
($regs[1][0] == '/') ? $new_dir = $regs[1] : $new_dir = $_SESSION['cwd'] . '/' . $regs[1];
// cosmetics
while (strpos($new_dir, '/./') !== false)
$new_dir = str_replace('/./', '/', $new_dir);
while (strpos($new_dir, '//') !== false)
$new_dir = str_replace('//', '/', $new_dir);
while (preg_match('|/\.\.(?!\.)|', $new_dir))
$new_dir = preg_replace('|/?[^/]+/\.\.(?!\.)|', '', $new_dir);
if(empty($new_dir)): $new_dir = "/"; endif;
(@chdir($new_dir)) ? $_SESSION['cwd'] = $new_dir : $_SESSION['output'] .= "could not change to: $new_dir\n";
}
else
{
/* The command is not a 'cd' command, so we execute it after
changing the directory and save the output. */
chdir($_SESSION['cwd']);
/* Alias expansion. */
$length = strcspn(@$_REQUEST['command'], " \t");
$token = substr(@$_REQUEST['command'], 0, $length);
if (isset($aliases[$token]))
$_REQUEST['command'] = $aliases[$token] . substr($_REQUEST['command'], $length);
if($this->phpCheckVersion("4.3.0"))
{
$p = proc_open(@$_REQUEST['command'],
array(1 => array('pipe', 'w'),
2 => array('pipe', 'w')), $io);
/* Read output sent to stdout. */
while (!feof($io[1])) {
$_SESSION['output'] .= htmlspecialchars(fgets($io[1]),ENT_COMPAT, 'UTF-8');
}
/* Read output sent to stderr. */
while (!feof($io[2])) {
$_SESSION['output'] .= htmlspecialchars(fgets($io[2]),ENT_COMPAT, 'UTF-8');
}
fclose($io[1]);
fclose($io[2]);
proc_close($p);
}
else
{
$stdout=shell_exec($_REQUEST['command']);
$_SESSION['output'] .= htmlspecialchars($stdout,ENT_COMPAT, 'UTF-8');
}
}
}
} // end phpTerm
/*##########################################################
## The main thing starts here
## All output ist XHTML
##########################################################*/
$terminal = new phpTerm;
$terminal->logout(@$_GET['logout']);
if(!$terminal->checkPassword($passwd))
{
header('WWW-Authenticate: Basic realm="PHP-Terminal"');
header('HTTP/1.0 401 Unauthorized');
}
else
{
$terminal->initVars();
$terminal->buildCommandHistory();
$terminal->buildJavaHistory();
if(!isset($_SESSION['prompt'])):$terminal->formatPrompt(); endif;
$terminal->outputHandle($aliases);
if(isset($_GET['color'])) : $_SESSION['color']=$_GET['color']; endif;
/*
echo '<?xml version="1.0" encoding="UTF-8" ?>' . "\n";
*/
?>
<!--<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>PHP-Terminal </title>
<?php $terminal->setTerminalColor(@$_SESSION['color']); ?>
<link rel="stylesheet" type="text/css" href="phpterm.css" />
<script type="text/javascript" language="JavaScript">
var current_line = 0;
var command_hist = new Array(<?php echo $_SESSION['js_command_hist']; ?>);
var last = 0;
function key(e) {
if (!e) var e = window.event;
if (e.keyCode == 38 && current_line < command_hist.length-1) {
command_hist[current_line] = document.shell.command.value;
current_line++;
document.shell.command.value = command_hist[current_line];
}
if (e.keyCode == 40 && current_line > 0) {
command_hist[current_line] = document.shell.command.value;
current_line--;
document.shell.command.value = command_hist[current_line];
}
}
function init() {
document.shell.setAttribute("autocomplete", "off");
document.shell.output.scrollTop = document.shell.output.scrollHeight;
document.shell.command.focus();
}
</script>
<script type="text/javascript" src="menu.js"></script>
</head>
<body onload="init()">
<?php if (empty($_REQUEST['rows'])) $_REQUEST['rows'] = 24; ?>
<table border="0" class="main" cellpadding="0" cellspacing="0">
<tr>
<td class="head_x" width="2%"><b> X</b></td>
<td class="head"><?php echo $_SESSION['prompt'].":"."$_SESSION[cwd]"; ?> </td>
</tr>
<tr><td colspan='2'>
<table width="100%" cellpadding="0" cellspacing="0" class="ddm1" id="menu1" >
<tr>
<td><a class='item1' href='javascript:void(0)'><b>Edit</b></a>
<div class='section'>
<a class='item2' href='<?php echo $_SERVER['PHP_SELF']."?reset=true"?>'>Reset Console</a>
</div>
</td>
<td><a class='item1' href='javascript:void(0)'><b>Colors</b></a>
<div class='section'>
<a class='item2' href='<?php echo $_SERVER['PHP_SELF']."?color=linux"?>'>Linux Default</a>
<a class='item2' href='<?php echo $_SERVER['PHP_SELF']."?color=green"?>'>Green on Black</a>
<a class='item2' href='<?php echo $_SERVER['PHP_SELF']."?color=gray"?>'>Gray on Blue</a>
<a class='item2' href='<?php echo $_SERVER['PHP_SELF']."?color=black"?>'>Black on Green</a>
</div>
</td>
<td><a class='item1' href='javascript:void(0)'><b>Size</b></a>
<div class='section'>
<a class='item2' href='<?php echo $_SERVER['PHP_SELF']."?rows=24"?>'>80x24 (default)</a>
<a class='item2' href='<?php echo $_SERVER['PHP_SELF']."?rows=30"?>'>80x30</a>
<a class='item2' href='<?php echo $_SERVER['PHP_SELF']."?rows=35"?>'>80x35</a>
<a class='item2' href='<?php echo $_SERVER['PHP_SELF']."?rows=40"?>'>80x40</a>
</div>
</td>
<td><a class='item1' href='#'><b>Tools</b></a>
<div class='section'>
<a class='item2' href="#">nothing yet</a>
</div>
</td>
<td><a class='item1' href="<?php echo $_SERVER['PHP_SELF']?>"><b>Help</b></a>
<div class='section'>
<a class='item2' href="#">nothing yet</a>
</div>
</td>
<td><a class='item1' href="<?php echo $_SERVER['PHP_SELF']."?logout=true"?>"><b>Logout</b></a>
</td>
</tr>
</table>
</td></tr>
<form name="shell" action="<?php echo $_SERVER['PHP_SELF'];?>" method="post">
<tr>
<td colspan='2' nowrap>
<textarea name="output" readonly="readonly" rows="<?php echo $_REQUEST['rows']; ?>"><?php
$lines = substr_count($_SESSION['output'], "\n");
$padding = str_repeat("\n", max(0, $_REQUEST['rows']+1 - $lines));
echo rtrim($padding . $_SESSION['output']);
?>
</textarea>
<p><font size="-1">
<?php echo $_SESSION['prompt']."/".str_replace('/', '', strrchr($_SESSION['cwd'], '/')).">"; ?>
<input class="prompt" name="command" type="text" size='50' onkeyup="key(event)" tabindex="1">
</font></p>
</td>
</tr></form>
<tr>
<td colspan='2' bgcolor='#CCCCCC' height='20px' align="right">PHP Terminal 0.3.0 ready! © bzrudi 2004</td>
</tr>
</table>
<script type="text/javascript">
var ddm1 = new DropDownMenu1('menu1');
ddm1.init();
</script>
</body>
</html>
<?php } ?>
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