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< ? php
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/*
$Id $
This code is part of LDAP Account Manager ( http :// www . sourceforge . net / projects / lam )
Copyright ( C ) 2003 Michael Duergner
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 .
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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 .
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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
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LDAP Account Manager checking login datas .
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*/
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include_once ( " ../lib/config.inc " ); // Include config.inc which provides Config class
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session_save_path ( " ../sess " ); // Set session save path
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@ session_start (); // Start LDAP Account Manager session
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function display_LoginPage ( $config_object )
{
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global $error_message ;
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// generate 256 bit key and initialization vector for user/passwd-encryption
$key = mcrypt_create_iv ( 32 , MCRYPT_DEV_RANDOM );
$iv = mcrypt_create_iv ( 32 , MCRYPT_DEV_RANDOM );
// save both in cookie
setcookie ( " Key " , base64_encode ( $key ), 0 , " / " );
setcookie ( " IV " , base64_encode ( $iv ), 0 , " / " );
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session_register ( " language " );
$_SESSION [ " language " ] = $config_object -> get_defaultLanguage ();
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// loading available languages from language.conf file
$languagefile = " ../config/language.conf " ;
if ( is_file ( $languagefile ) == True )
{
$file = fopen ( $languagefile , " r " );
$i = 0 ;
while ( ! feof ( $file ))
{
$line = fgets ( $file , 1024 );
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if ( $line == " " || $line == " \n " || $line [ 0 ] == " # " ) continue ; // ignore comment and empty lines
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$value = explode ( " : " , $line );
$languages [ $i ][ " link " ] = $value [ 0 ] . " : " . $value [ 1 ];
$languages [ $i ][ " descr " ] = $value [ 2 ];
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if ( rtrim ( $line ) == $_SESSION [ " language " ])
{
$languages [ $i ][ " default " ] = " YES " ;
}
else
{
$languages [ $i ][ " default " ] = " NO " ;
}
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$i ++ ;
}
fclose ( $file );
}
else
{
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$message = _ ( " Unable to load available languages. Setting English as default language. For further instructions please contact the Admin of this site. " );
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}
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setlanguage (); // setting correct language
echo " <!DOCTYPE HTML PUBLIC \" -//W3C//DTD HTML 4.01 Transitional//EN \" \" http://www.w3.org/TR/html4/loose.dtd \" >
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< html >
< head >
< title >
" ;
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echo " LDAP Account Manager -Login- " ;
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echo "
</ title >
< link rel = \ " stylesheet \" type= \" text/css \" href= \" ../style/layout.css \" >
</ head >
< body >
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< p align = \ " center \" ><a href= \" http://lam.sf.net \" target= \" _blank \" ><img src= \" ../graphics/banner.jpg \" border= \" 1 \" ></a></p>
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< table width = \ " 100% \" border= \" 0 \" >
< tr >
< td width = \ " 100% \" align= \" right \" >
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< a href = \ " ./config/conflogin.php \" target= \" _self \" > " ;
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echo _ ( " Configuration Login " );
echo "
</ a >
</ td >
</ tr >
</ table >
< hr >< br >< br >
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< p align = \ " center \" ><b> " ;
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echo _ ( " Enter Username and Password for Account: " );
echo "
</ b ></ p > " ;
if ( $error_message != " " )
{
echo " <p align= \" center \" > " ;
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echo $error_message ;
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echo " </p> " ;
}
echo "
< form action = \ " login.php \" method= \" post \" >
< input type = \ " hidden \" name= \" action \" value= \" checklogin \" >
< table width = \ " 500 \" align= \" center \" border= \" 0 \" >
< tr >
< td width = \ " 45% \" align= \" right \" > " ;
echo _ ( " Username: " );
echo "
</ td >
< td width = \ " 10% \" >
</ td >
< td width = \ " 45% \" align= \" left \" >
< select name = \ " username \" size= \" 1 \" > " ;
for ( $i = 0 ; $i < count ( $config_object -> Admins ); $i ++ )
{
$text = explode ( " , " , $config_object -> Admins [ $i ]);
$text = explode ( " = " , $text [ 0 ]);
echo " <option value= \" " . $config_object -> Admins [ $i ] . " \" > " . $text [ 1 ] . " </option> " ;
}
echo "
</ select >
</ td >
</ tr >
< tr >
< td width = \ " 45% \" align= \" right \" > " ;
echo _ ( " Password: " );
echo "
</ td >
< td width = \ " 10% \" >
</ td >
< td width = \ " 45% \" align= \" left \" >
< input type = \ " password \" name= \" passwd \" >
</ td >
</ tr >
< tr > " ;
if ( $message != " " )
{
echo " <td width= \" 100% \" colspan= \" 3 \" align= \" center \" > " ;
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echo $message ;
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echo " <input type= \" hidden \" name= \" language \" value= \" english \" >
</ td > " ;
}
else
{
echo " <td width= \" 45% \" align= \" right \" > " ;
echo _ ( " Your Language: " );
echo "
</ td >
< td width = \ " 10% \" >
</ td >
< td width = \ " 45% \" align= \" left \" >
< select name = \ " language \" size= \" 1 \" > " ;
for ( $i = 0 ; $i < count ( $languages ); $i ++ )
{
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if ( $languages [ $i ][ " default " ] == " YES " )
{
echo " <option selected value= \" " . $languages [ $i ][ " link " ] . " : " . $languages [ $i ][ " descr " ] . " \" > " . $languages [ $i ][ " descr " ] . " </option> " ;
}
else
{
echo " <option value= \" " . $languages [ $i ][ " link " ] . " : " . $languages [ $i ][ " descr " ] . " \" > " . $languages [ $i ][ " descr " ] . " </option> " ;
}
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}
echo " </select>
</ td > " ;
}
echo "
</ tr >
< tr >
< td width = \ " 100% \" colspan= \" 3 \" align= \" center \" >
< input type = \ " submit \" name= \" submit \" value= \" " ;
echo _ ( " Login " ) . " \" > " ;
echo "
</ td >
</ tr >
</ table >
< br >< br >< br >
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< table width = \ " 345 \" align= \" center \" bgcolor= \" #C7E7C7 \" border= \" 0 \" >
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< tr >
< td width = \ " 100% \" align= \" center \" > " ;
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echo _ ( " You are connecting to ServerURL: " );
echo " <b> " ;
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echo $config_object -> get_ServerURL ();
echo "
</ b ></ td >
</ tr >
</ table >
</ form >
</ body >
</ html > " ;
}
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// checking if the submitted username/password is correct.
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if ( $_POST [ 'action' ] == " checklogin " )
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{
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include_once ( " ../lib/ldap.inc " ); // Include ldap.php which provides Ldap class
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$ldap = new Ldap ( $_SESSION [ 'config' ]); //$config); // Create new Ldap object
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if ( $_POST [ 'passwd' ] == " " )
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{
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$error_message = _ ( " Empty Password submitted. Try again. " );
display_LoginPage ( $_SESSION [ 'config' ]); // Empty password submitted. Return to login page.
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}
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else
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{
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$result = $ldap -> connect ( $_POST [ 'username' ], $_POST [ 'passwd' ]); // Connect to LDAP server for verifing username/password
if ( $result == True ) // Username/password correct. Do some configuration and load main frame.
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{
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$_SESSION [ " language " ] = $_POST [ " language " ]; // Write selected language in session
session_register ( " ldap " ); // Register $ldap object in session
include ( " ./main.php " ); // Load main frame
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}
else
{
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if ( $ldap -> server )
{
$error_message = _ ( " Wrong Password/Username combination. Try again. " );
display_LoginPage ( $_SESSION [ 'config' ]); // Username/password invalid. Return to login page.
}
else
{
$error_message = _ ( " Cannot connect to specified LDAP-Server. Try again. " );
display_LoginPage ( $_SESSION [ 'config' ]); // Username/password invalid. Return to login page.
}
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}
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}
}
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// Load login page
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else
{
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session_register ( " config " ); // Register $config object in session
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$config = new Config ; // Create new Config object
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display_LoginPage ( $config ); // Load Login page
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}
?>
