<?
/**
XIP Class - Proxy Detection and IP Functions class for PHP - File Name: iplog.php
Copyright (C) 2004-2006 Volkan Küçükçakar. All Rights Reserved.
(Volkan Kucukcakar)
http://www.developera.com
You are requested to retain this copyright notice in order to use
this software.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
?>
<? /*
XIP Class - EXAMPLE 4 - iplog.php
This example demonstrates:
IP Log example using a flat text file (with exclusive file lock support via flock and semaphore files)
Note: This is an extra example file that I have written upon request and may be a little out of XIP Class's scope
*/
?>
<?
function iplog($logfile,$ip){
$lck=@fopen($logfile.'.lck', 'a+');//semaphore lock file
if ($lck===false) return false;
if ( flock($lck,LOCK_EX) ){
//flock may not work on some file systems
//You can handle a flock error here, it will try to continue working even if you do not handle. (ofcourse without file lock support)
//May be you can use another way of exclusive file locking, ie. sem_acquire() approach
//read php help for more info http://www.php.net/manual/en/function.flock.php
}
$fp = @fopen($logfile, 'a+');
if ($fp===false) {
fclose($lck);
return false;
}
$logline=gmdate("M d Y H:i:s")." GMT, $ip\r\n";
if (false===fwrite($fp,$logline)) return false;
fclose($fp);
flock($lck, LOCK_UN);
fclose($lck);
return true;
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<META HTTP-EQUIV="CACHE-CONTROL" CONTENT="NO-CACHE">
<META HTTP-EQUIV="Pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Expires" CONTENT="-1">
<title>XIP Class - developera.com/xip</title>
<body bgcolor="#FFFFFF" text="#000000">
<center>
<p><a href="proxydetect.php">Proxy Detection</a> | <a href="ipfunctions.php">IP Functions</a> | <a href="blacklist_local.php">Blacklist (Local)</a> | IP Log | <a href="CheckRBL.php">Blacklist (Check RBL)</a></p>
<p align="left"><font color="#FF6666">XIP Class - EXAMPLE 4 - iplog.php - </font><font color="#707070">IP Log example using a flat text file (with exclusive file lock support via flock and semaphore files)<br>Note: This is an extra example file that I have written upon request and may be a little out of XIP Class's scope</font></p>
<p> </p>
<table width="600" border="1" cellspacing="0" cellpadding="0">
<tr>
<td width="300">Your Proxy IP is</td>
<td width="300">
<?
require('../class.XIP.php');
$XIP=new XIP();
echo $XIP->IP['proxy'];
?>
</td>
</tr>
<tr>
<td>Your Client IP is</td>
<td>
<? echo $XIP->IP['client']; ?>
</td>
</tr>
</table>
<p>
<?
/*
* Do not forget that client IP is always reported by gateway (or client unfortinately)
By the way, this is a property of http proxy connection; not a weakness of XIP Class.
* You can separately use/save $_SERVER['REMOTE_ADDR'] (or $XIP->IP['proxy']) in your logs for security.
* To increase security, you can use $XIP->IP['client'] in conjunction with $XIP->IP['proxy'] (equals to $_SERVER['REMOTE_ADDR']),
or you can do something with $XIP->IP['all']
*/
//So, log both proxy and client IP for security!
$ip=$XIP->IP['proxy']." (".$XIP->IP['client'].")";
$logfile="log/iplog.txt";
if (!iplog($logfile,$ip)) die("IP Log error, make sure you have created the log directory '".dirname($logfile)."' or copy the files '$logfile' and '$logfile.lck', make sure you have set the right permissions");
echo "Your Proxy IP and Client IP addresses are successfully written to log file.";
?>
</p>
<p> </p>
<p><strong>XIP Class<br>
</strong>Proxy Detection and IP Functions class for PHP<strong><br>
</strong><a href="http://www.developera.com/xip">www.developera.com/xip</a></p>
<p> </p>
</center>
</body>
</html>
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