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<?php
if (!isset($LTS)) { die('shell.php may not be accessed directly.'); }
error_reporting(E_ALL);
include('exec.php');
// Set up environment
$ltshell_dir = dirname(__FILE__);
$env['PATH'] = $ltshell_dir.'/bin';
$env['IFS'] = " \t\n";
if (isset($_POST['d'])) { chdir($_POST['d']); }
$env['CWD'] = getcwd();
// Check for an incomplete command
if (isset($_POST['stdout_dest'])) {
$_POST['c'] = $_POST['stdout_dest'];
unset($_POST['stdout_dest']);
}
// Display terminal
?>
<div class="term"><?php
echo '<form action="'.$_SERVER['PHP_SELF'].'#prompt" method="post">';
// Figure out what needs to be displayed on the terminal
if (!isset($_POST['c'])) { $_POST['c'] = ''; }
ob_start();
if ($_POST['c'] == 'clear') {
lts_chdir('.');
} else {
if (isset($_POST['stdout'])) { echo htmlentities($_POST['stdout']); }
echo $_POST['c']."\n";
lts_shell_exec($_POST['c'],$env);
echo '$ ';
}
$term = ob_get_contents();
ob_end_flush();
// prompt
echo '<input id="prompt" type="text" name="c" />';
echo '<textarea name="stdout" class="hidden" readonly="readonly">';
// this PCRE is so that only markup from the current
// command ends up on the terminal; the rest gets
// stripped out
echo preg_replace('/<[^>]*>/','',$term);
echo '</textarea>';
echo '</form>';
?></div>
</form>
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