MRBS 1.12.2 等保2.0二级整改完整提交

包含：登录失败锁定、90天密码有效期、30分钟会话超时、
强制改密、登录审计日志、屏幕水印、企业背景图、
备案信息固定底部、favicon、登录页JS修复等全部改动

web/lib/MRBS/Auth/AuthNw.php

@@ -0,0 +1,43 @@
+<?php
+namespace MRBS\Auth;
+
+
+class AuthNw extends Auth
+{
+  public function validateUser(
+    #[\SensitiveParameter]
+    ?string $user,
+    #[\SensitiveParameter]
+    ?string $pass)
+  {
+    global $auth;
+
+    // Check if we do not have a username/password
+    if (empty($user) || empty($pass))
+    {
+      return false;
+    }
+
+    // Generate the command line
+    $cmd = $auth["prog"] . " -S " . $auth["params"] . " -U '$user'";
+
+    // Run the program, sending the password to stdin.
+    $p = popen($cmd, "w");
+
+    if (!$p)
+    {
+      return false;
+    }
+
+    fputs($p, $pass);
+
+    if (pclose($p) == 0)
+    {
+      return $user;
+    }
+
+    // return failure
+    return false;
+  }
+
+}