[PHP] Include File by Link.

[Sayuta 0]

Ever saw this like ?page=home ; and it included Home page?

 

Did u always used case's ? and tired of it? >_>"

 

Mehh gonna explain u now how they do it! ;']

 

First of all we start with the $_GET Variable..

$page = $_GET['page'];

 

This gets the ?page= Number.

 

For the hackers under us, we are going to protect it against shell executers etc..

 

<?
$uri = $_SERVER['REQUEST_URI']; // The Current URI
$search = array('chr(', 'chr=', 'chr%20', '%20chr', 'wget%20', '%20wget', 'wget(',
'cmd=', '%20cmd', 'cmd%20', 'rush=', '%20rush', 'rush%20',
'union%20', '%20union', 'union(', 'union=', 'echr(', '%20echr', 'echr%20', 'echr=',
'esystem(', 'esystem%20', 'cp%20', '%20cp', 'cp(', 'mdir%20', '%20mdir', 'mdir(',
'mcd%20', 'mrd%20', 'rm%20', '%20mcd', '%20mrd', '%20rm',
'mcd(', 'mrd(', 'rm(', 'mcd=', 'mrd=', 'mv%20', 'rmdir%20', 'mv(', 'rmdir(',
'chmod(', 'chmod%20', '%20chmod', 'chmod(', 'chmod=', 'chown%20', 'chgrp%20', 'chown(', 'chgrp(',
'locate%20', 'grep%20', 'locate(', 'grep(', 'diff%20', 'kill%20', 'kill(', 'killall',
'passwd%20', '%20passwd', 'passwd(', 'telnet%20', 'vi(', 'vi%20',
'insert%20into', 'select%20', 'fopen', 'fwrite', '%20like', 'like%20',
'$_request', '$_get', '$request', '$get', '.system', 'HTTP_PHP', '&aim', '%20getenv', 'getenv%20',
'new_password', '&icq','/etc/password','/etc/shadow', '/etc/groups', '/etc/gshadow',
'HTTP_USER_AGENT', 'HTTP_HOST', '/bin/ps', 'wget%20', 'uname\x20-a', '/usr/bin/id',
'/bin/echo', '/bin/kill', '/bin/', '/chgrp', '/chown', '/usr/bin', 'g\+\+', 'bin/python',
'bin/tclsh', 'bin/nasm', 'perl%20', 'traceroute%20', 'ping%20', '.pl', 'lsof%20',
'/bin/mail', '.conf', 'motd%20', 'HTTP/1.', '.inc.php', 'config.php', 'cgi-', '.eml',
'file\://', 'window.open', '<script>', 'javascript\://','img src', 'img%20src','.jsp','ftp.exe',
'xp_enumdsn', 'xp_availablemedia', 'xp_filelist', 'xp_cmdshell', 'nc.exe', '.htpasswd',
'servlet', '/etc/passwd', 'wwwacl', '~root', '~ftp', '.js', '.jsp', 'admin_', '.history',
'bash_history', '.bash_history', '~nobody', 'server-info', 'server-status', 'reboot%20', 'halt%20',
'powerdown%20', '/home/ftp', '/home/www', 'secure_site, ok', 'chunked', 'org.apache', '/servlet/con',
'<script', 'UPDATE', 'SELECT', 'DROP', '/robot.txt' ,'/perl' ,'mod_gzip_status', 'db_mysql.inc', '.inc', 'select%20from',
'select from', 'drop%20', '.sys', '.ini', '.shell', 'getenv', 'http_', '_php', 'php_', 'phpinfo()', '<?php', '?>', 'sql='); // All the values we dont want 
$value = str_replace($search, '', $uri); // Replace them with nothing, if theres something in it

if($uri != $value){ // If it got replaced, Say a error.
die('Shit Happend'); // Unlike me, u can put something else here;). but i just like to tease hackers.
}
$page = $_GET['page'];

 

After being a bit 'amazed' by the above protection code,, YES its mine, and YES i keep logs whom tried to hack me, after 3 times ban IP by my firewall >< but thats just a bit too advanced from what im trying to teach you now.

 

Now we got what ?page= Says.. we want the extension of the file!

we do that just by adding the following variable :

$ext = '.php';

 

Lets get our.. File.

if(isset($page) && $page != ""){ // Look if there is a variable ?page= and that ?page= is not empty.
if(file_exists($page.$ext)){ // Look ONCE there is a ?page=.. the variable with .php after it, Lets pretend the case is ?page=home it will look for a file home.php
include($page.$ext); // Include the home.php
} else { // If it doesnt exist..
echo "Error 404. Page not found."; // Say page is not found..
} else { // If there isnt a ?page=.. 
echo "Home"; // say Home.
}

 

 

Summaray.

<?
$uri = $_SERVER['REQUEST_URI']; // The Current URI
$search = array('chr(', 'chr=', 'chr%20', '%20chr', 'wget%20', '%20wget', 'wget(',
'cmd=', '%20cmd', 'cmd%20', 'rush=', '%20rush', 'rush%20',
'union%20', '%20union', 'union(', 'union=', 'echr(', '%20echr', 'echr%20', 'echr=',
'esystem(', 'esystem%20', 'cp%20', '%20cp', 'cp(', 'mdir%20', '%20mdir', 'mdir(',
'mcd%20', 'mrd%20', 'rm%20', '%20mcd', '%20mrd', '%20rm',
'mcd(', 'mrd(', 'rm(', 'mcd=', 'mrd=', 'mv%20', 'rmdir%20', 'mv(', 'rmdir(',
'chmod(', 'chmod%20', '%20chmod', 'chmod(', 'chmod=', 'chown%20', 'chgrp%20', 'chown(', 'chgrp(',
'locate%20', 'grep%20', 'locate(', 'grep(', 'diff%20', 'kill%20', 'kill(', 'killall',
'passwd%20', '%20passwd', 'passwd(', 'telnet%20', 'vi(', 'vi%20',
'insert%20into', 'select%20', 'fopen', 'fwrite', '%20like', 'like%20',
'$_request', '$_get', '$request', '$get', '.system', 'HTTP_PHP', '&aim', '%20getenv', 'getenv%20',
'new_password', '&icq','/etc/password','/etc/shadow', '/etc/groups', '/etc/gshadow',
'HTTP_USER_AGENT', 'HTTP_HOST', '/bin/ps', 'wget%20', 'uname\x20-a', '/usr/bin/id',
'/bin/echo', '/bin/kill', '/bin/', '/chgrp', '/chown', '/usr/bin', 'g\+\+', 'bin/python',
'bin/tclsh', 'bin/nasm', 'perl%20', 'traceroute%20', 'ping%20', '.pl', 'lsof%20',
'/bin/mail', '.conf', 'motd%20', 'HTTP/1.', '.inc.php', 'config.php', 'cgi-', '.eml',
'file\://', 'window.open', '<script>', 'javascript\://','img src', 'img%20src','.jsp','ftp.exe',
'xp_enumdsn', 'xp_availablemedia', 'xp_filelist', 'xp_cmdshell', 'nc.exe', '.htpasswd',
'servlet', '/etc/passwd', 'wwwacl', '~root', '~ftp', '.js', '.jsp', 'admin_', '.history',
'bash_history', '.bash_history', '~nobody', 'server-info', 'server-status', 'reboot%20', 'halt%20',
'powerdown%20', '/home/ftp', '/home/www', 'secure_site, ok', 'chunked', 'org.apache', '/servlet/con',
'<script', 'UPDATE', 'SELECT', 'DROP', '/robot.txt' ,'/perl' ,'mod_gzip_status', 'db_mysql.inc', '.inc', 'select%20from',
'select from', 'drop%20', '.sys', '.ini', '.shell', 'getenv', 'http_', '_php', 'php_', 'phpinfo()', '<?php', '?>', 'sql='); // All the values we dont want 
$value = str_replace($search, '', $uri); // Replace them with nothing, if theres something in it

if($uri != $value){ // If it got replaced, Say a error.
die('Shit Happend'); // Unlike me, u can put something else;). but i just like to tease hackers.
}
$page = $_GET['page']; // get the ?page=
$ext = '.php'; // file extension to include.

if(isset($page) && $page != ""){ // Look if there is a variable ?page= and that ?page= is not empty.
if(file_exists($page.$ext)){ // Look ONCE there is a ?page=.. the variable with .php after it, Lets pretend the case is ?page=home it will look for a file home.php
include($page.$ext); // Include the home.php
} else { // If it doesnt exist..
echo "Error 404. Page not found."; // Say page is not found..
} else { // If there isnt a ?page=.. 
echo "Home"; // say Home.
}
?>

 

 

Now all you have to do is a make a LINK.

<a href="?page=home">Home</a><br>
<a href="?page=test">Test</a></br>
<?
$uri = $_SERVER['REQUEST_URI']; // The Current URI
$search = array('chr(', 'chr=', 'chr%20', '%20chr', 'wget%20', '%20wget', 'wget(',
'cmd=', '%20cmd', 'cmd%20', 'rush=', '%20rush', 'rush%20',
... rest of all the other code.
?>

 

The first link will include home.php

Secondary will include test.php.

 

 

Hope i helped.

 

 

Notice

-I wont translate it into any other language

-If there is a error, report me please.. think it won't be >< i would like fail if this sample code isn't right after my 6 years in coding PHP.

[meijör 7]

Hey, i really like your comments and this tut as well...

 

Would you mind posting more tutorials like that? I often dont find the time for that :S

[House 3]

Very nice tutorial. Please write more.

Also like the array searching

 

But most of my pages just got 5-6 subpages so I just use case very safe..