本站vpn自助注册源码
原文：http://www.31sky.net/2010/12/08/132.html
最近对vpn的架设很是有兴趣，至于vpn的架设过程，我相信网上很多，随便一搜就能搜出一大把。
对于pptp vpn的架构，最流行的一种方法就是pptpd+freeradius+mysql，但是对于开源的vpn账户管理系统还是很少的，几乎为零，那些收费的 管理系统价格高得吓人，最近很多网友都在问本站的vpn是如何架设的，尤其是那个自助注册的，其实很简单，无非就是用php自己写几行代码就行了，下面我 就把我的那几行代码贴出来：
配置文件config.php（主要是mysql的信息）：
<?php$dbhost = "localhost";//mysql服务器地址$dbport = "3306";//mysql端口$dbname = "radius";//freeradius数据库名称$dbuser = "radius";//freeradius数据库用户$dbpass = "123456";//数据库密码?>
代码vpn.php：
<?php
include "config.php";
function creat_user($name,$pass) {
global $dbhost,$dbname,$dbuser,$dbpass;
$conn = @mysql_connect($dbhost,$dbuser,$dbpass) or die ("连接数据库错误！");
mysql_select_db($dbname,$conn);
$sql = "SELECT * FROM `radcheck` WHERE username='".$name."'";
$query = mysql_query($sql,$conn);
$row = mysql_fetch_row($query);
if ($row[1] == $name) {
echo "用户名已经存在，请选择其他用户名！";
} else {
$sql = "INSERT INTO radcheck (id, username, attribute, op, value) VALUES ('', '$name', 'User-Password', '==', '$pass')";
$a = mysql_query($sql,$conn);
if ($a) {
echo "创建账户成功！";
} else {
echo "创建账户失败！";
}
}
mysql_close($conn);
}
creat_user($_POST['username'],$_POST['pwd']);
?>
然后就是用html写个注册表单index.html：
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta http-equiv="expires" content="0">
<meta http-equiv="pragma" content="no-cache">
<title>PPTP VPN用户自助注册</title>
<style type="text/css">
<!--
body{
text-align:center;
font-family: verdana, arial, helvetica, sans-serif;
font-size: 12px;
background:#efefef;
}
#login {
margin-top:6%;
margin-right:auto;
margin-left:auto;
line-height: 20px;
color: #000000;
width:300px;
border:1px solid #336699;
background:#fff;
}
#frmlogin{
text-align:left;
margin-left:8px;
}
h1{
margin:0px 0px 10px 0px;
padding:0px;
width:100%;
height:30px;
line-height:30px;
color:#fff;
background:#336699;
font-size:18px;
text-align:left;
text-indent:10px;
font-weight:normal;
font-family:arial, helvetica, sans-serif;
}
input{
border:1px solid #336699;
height:14px;
line-height:14px;
width:120px;
}
.button{
padding-right:10px;
padding-left:10px;
height:22px;
line-height:22px;
background:#fbfbfb;
color:#000;
text-align:center;
border-right:2px solid #999;
border-left:2px solid #999;
border-top:1px solid #999;
border-bottom:1px solid #999;
margin-right:5px;
margin-left:5px;
}
label{
font-weight:bold;
color:#336699;
}
#tip{
color:#ff9900;
}
-->
</style>
<script type="text/javascript">
function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
{alert(alerttxt);return false}
else {return true}
}
}
function validate_email(field,alerttxt)
{
with (field)
{
apos=value.indexOf("@")
dotpos=value.lastIndexOf(".")
if (apos<1||dotpos-apos<2)
{alert(alerttxt);return false}
else {return true}
}
}
function validate_username(field,alerttxt)
{
with (field)
{
var patrn=/^[a-zA-Z]{1,8}$/;
if (!patrn.exec(field.value))
{alert(alerttxt);return false}
else {return true}
}
}
function validate_password(field,alerttxt)
{
with (field)
{
var patrn=/^[a-zA-Z0-9]{6,20}$/;
if (!patrn.exec(field.value))
{alert(alerttxt);return false}
else {return true}
}
}
function validate_form(thisform)
{
with (thisform)
{
if (validate_username(username,"Not a valid username!")==false)
{username.focus();return false}
if (validate_password(pwd,"Not a valid password!")==false)
{pwd.focus();return false}
if (validate_required(email,"Email must be filled out!")==false)
{email.focus();return false}
if (validate_email(email,"Not a valid e-mail address!")==false)
{email.focus();return false}
}
}
</script>
</head>
<body>
<div id="login">
<h1>PPTP VPN账户注册</h1>
<form action="vpn.php"onsubmit="return validate_form(this);" method="post">
<label>用户名:
<input name="username" type="text" id="username" size="22" maxlength="10" />
</label><label id="tip"></label>
<p>
<label>密 码:
<input name="pwd" type="password" id="pwd" size="24" maxlength="20" />
</label>
</p>
<p style="align:center; color:red">
vpn地址：vpn.31sky.net</p>
<p style="align:center; color:red">
vpn管理：http://www.31sky.net/vpn/admin/</p>
<p align="center">
<input name="submit" type="submit" id="btn_login" style="width:60px;background:#efefef;height:25px;line-height:25px;font-size:12px;" value="注册" />
<input name="submit2" type="reset" style="width:60px;background:#efefef;height:25px;line-height:25px;font-size:12px;" value="重置" />
</p>
</form>
</div>
</body>
</html>
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