<?php
//codz by angel
//welcome to my website
//http://www.4ngel.net
$youip=$http_server_vars["remote_addr"]; // 获取本机ip地址
$remoteip=$http_post_vars['remoteip']; // 获取表单提交的ip地址
?>
<html>
<head>
<title>安全天使——端口在线检测</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
body { font-size: 12px; font-family: verdana;color:#000000;
}
td {
font-size: 12px;
font-family: verdana;
color:#000000;
line-height: 14px;
}
.style1 {color: #ffffff}
-->
</style>
</head>
<body>
<center>
<?php
if (!empty($remoteip)){
// 如果表单不为空就进入ip地址格式的判断
function err() {
die("对不起，该ip地址不合法<p><a href=javascript:history.back(1)>点击这里返回</a>");
}
// 定义提交错误ip的提示信息
$ips=explode(".",$remoteip);
// 用.分割ip地址
if (intval($ips[0])<1 or intval($ips[0])>255 or intval($ips[3])<1 or intval($ips[3]>255)) err();
// 如果第一段和最后一段ip的数字小于1或者大于255，则提示出错
if (intval($ips[1])<0 or intval($ips[1])>255 or intval($ips[2])<0 or intval($ips[2]>255)) err();
// 如果第二段和第三段ip的数字小于0或者大于255，则提示出错
$closed='此端口目前处于关闭状态。';
$opened='<font color=red>此端口目前处于打开状态！</font>';
$close="关闭";
$open="<font color=red>打开</font>";
$port=array(21,23,25,79,80,110,135,137,138,139,143,443,445,1433,3306,3389);
$msg=array(
'ftp',
'telnet',
'smtp',
'finger',
'http',
'pop3',
'location service',
'netbios-ns',
'netbios-dgm',
'netbios-ssn',
'imap',
'https',
'microsoft-ds',
'mssql',
'mysql',
'terminal services'
);
// 通过ip格式的检查后用数组定义各端口对应的服务名称及状态
echo "<table border=0 cellpadding=15 cellspacing=0>/n";
echo "<tr>/n";
echo "<td align=center><strong>您扫描的ip：<font
color=red>".$remoteip."</font></strong></td>/n";
echo "</tr>/n";
echo "</table>/n";
echo "<table cellpadding=5 cellspacing=1 bgcolor=#636194>/n";
echo "<tr bgcolor=#7371a5 align=center>/n";
echo "<td><span class=style1>端口</span></td>/n";
echo "<td><span class=style1>服务</span></td>/n";
echo "<td><span class=style1>检测结果</span></td>/n";
echo "<td><span class=style1>描述</span></td>/n";
echo "</tr>/n";
// 输出显示的表格
for($i=0;$i<sizeof($port);$i++)
{
$fp = @fsockopen($remoteip, $port[$i], &$errno, &$errstr, 1);
if (!$fp) {
echo "<tr bgcolor=#ffffff><td align=center>".$port[$i]."</td><td>".$msg[$i]."</td><td
align=center>".$close."</td><td>".$closed."</td></tr>/n";
} else {
echo "<tr bgcolor=#f4f7f9><td align=center>".$port[$i]."</td><td>".$msg[$i]."</td><td
align=center>".$open."</td><td>".$opened."</td></tr>";
}
}
// 用for语句，分别用fsockopen函数连接远程主机的相关端口，并输出结果
echo "<tr><td colspan=4 align=center>/n";
echo "<a href=portscan.php><font color=#ffffff>继续扫描>>></font></a></td>/n";
echo "</tr/n";
echo "</table>/n";
echo "<table cellspacing=0 cellpadding=10 width=100% border=0>/n";
echo "<tr>/n";
echo "<td align=center><b>copyright © 2004 security angel team[s4t] all rights reserved.</b></td>/n";
echo "</tr>/n";
echo "</table>/n";
echo "</center>/n";
echo "</body>/n";
echo "</html>/n";
exit;
}
// 探测结束
echo "<table border=0 cellpadding=15 cellspacing=0>/n";
echo "<tr>/n";
echo "<td align=center><strong>您的ip：<font color=red>".$youip."</font></strong></td>/n";
echo "</tr>/n";
echo "<form method=post action=portscan.php>/n";
echo "<tr><td>/n";
echo "<input type=text name=remoteip size=12>/n";
echo "<input type=submit value=扫描 name=scan>/n";
echo "</td></tr>/n";
echo "</form>";
echo "</table>/n";
// 如果表单为空则显示提交ip地址的表单
?>
<table cellspacing=0 cellpadding=10 width="100%" border=0>
<tr>
<td align=center><b>copyright © 2004 security angel team[s4t] all rights reserved.</b></td>
</tr>
</table>
</center>
</body>
</html>
