349 lines
11 KiB
PHP
349 lines
11 KiB
PHP
<?php
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/*
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$Id$
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This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
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Copyright (C) 2003 Michael Duergner
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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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($config_object,$profile)
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{
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global $error_message;
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// generate 256 bit key and initialization vector for user/passwd-encryption
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// check if we can use /dev/random otherwise use /dev/urandom or rand()
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if(function_exists(mcrypt_create_iv)) {
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$key = @mcrypt_create_iv(32, MCRYPT_DEV_RANDOM);
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if (! $key) $key = @mcrypt_create_iv(32, MCRYPT_DEV_URANDOM);
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if (! $key) {
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srand((double)microtime()*1234567);
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$key = mcrypt_create_iv(32, MCRYPT_RAND);
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}
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$iv = @mcrypt_create_iv(32, MCRYPT_DEV_RANDOM);
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if (! $iv) $iv = @mcrypt_create_iv(32, MCRYPT_DEV_URANDOM);
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if (! $iv) {
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srand((double)microtime()*1234567);
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$iv = mcrypt_create_iv(32, MCRYPT_RAND);
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}
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}
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// use Blowfish if MCrypt is not available
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else {
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// generate iv and key for encryption
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$key = "";
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$iv = "";
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while (strlen($key) < 30) $key .= mt_rand();
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while (strlen($iv) < 30) $iv .= mt_rand();
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}
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// save both in cookie
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setcookie("Key", base64_encode($key), 0, "/");
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setcookie("IV", base64_encode($iv), 0, "/");
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$_SESSION['language'] = $config_object->get_defaultLanguage();
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$current_language = explode(":",$_SESSION['language']);
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$_SESSION['header'] = "<?xml version=\"1.0\" encoding=\"" . $current_language[1] . "\"?>\n";
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$_SESSION['header'] .= "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n\n";
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$_SESSION['header'] .= "<html>\n<head>\n";
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$_SESSION['header'] .= "<meta http-equiv=\"content-type\" content=\"text/html; charset=" . $current_language[1] . "\">\n";
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$_SESSION['header'] .= "<meta http-equiv=\"pragma\" content=\"no-cache\">\n <meta http-equiv=\"cache-control\" content=\"no-cache\">";
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// loading available languages from language.conf file
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$languagefile = "../config/language";
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if(is_file($languagefile) == True)
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{
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$file = fopen($languagefile, "r");
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$i = 0;
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while(!feof($file))
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{
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$line = fgets($file, 1024);
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if($line == "" || $line == "\n" || $line[0] == "#") continue; // ignore comment and empty lines
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$value = explode(":", $line);
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$languages[$i]["link"] = $value[0] . ":" . $value[1];
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$languages[$i]["descr"] = $value[2];
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if(rtrim($line) == $_SESSION["language"])
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{
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$languages[$i]["default"] = "YES";
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}
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else
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{
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$languages[$i]["default"] = "NO";
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}
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$i++;
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}
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fclose($file);
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}
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else
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{
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//TODO Generate Status message
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$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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$profiles = getConfigProfiles();
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setlanguage(); // setting correct language
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echo $_SESSION["header"];
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?>
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<title>LDAP Account Manager -Login-</title>
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<link rel="stylesheet" type="text/css" href="../style/layout.css">
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</head>
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<body>
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<p align="center">
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<a href="http://lam.sf.net" target="_blank"><img src="../graphics/banner.jpg" border="1" alt="LDAP Account Manager"></a>
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</p>
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<table width="100%" border="0">
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<tr>
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<td width="100%" align="right">
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<a href="./config/conflogin.php" target="_self"><?php echo _("Configuration Login"); ?></a>
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</td>
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</tr>
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</table>
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<hr><br><br>
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<?php
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if ((! function_exists('mHash')) && (! function_exists('sha1'))) {
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StatusMessage("INFO", "Your PHP does not support MHash or sha1(), you will only be able to use CRYPT/PLAIN/MD5/SMD5 for user passwords!", "Please install MHash or update to PHP >4.3.");
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?>
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<br><br>
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<?php
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}
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?>
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<form action="login.php" method="post">
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<table width="650" align="center" border="2" rules="none" bgcolor="white">
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<tr>
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<td style="border-style:none" width="70" rowspan="9">
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<img src="../graphics/lam.png" alt="Logo">
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</td>
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<td style="border-style:none" height="70" colspan="2" align="center">
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<font color="darkblue"><b><big><?php echo _("Enter Username and Password for Account"); ?></big></b></font>
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</td>
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<td style="border-style:none" rowspan="9" width="70">
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</td>
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</tr>
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<tr>
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<td style="border-style:none" height="35" align="right"><b>
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<?php
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echo _("Username") . ":";
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?>
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</b> </td>
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<td style="border-style:none" height="35" align="left">
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<select name="username" size="1">
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<?php
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$admins = $config_object->get_Admins();
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for($i = 0; $i < count($admins); $i++) {
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$text = explode(",", $admins[$i]);
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$text = explode("=", $text[0]);
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?>
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<option value="<?php echo $admins[$i]; ?>"><?php echo $text[1]; ?></option>
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<?php
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}
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?>
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</select>
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</td>
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</tr>
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<tr>
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<td style="border-style:none" height="35" align="right"><b>
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<?php
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echo _("Password") . ":";
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?>
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</b> </td>
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<td style="border-style:none" height="35" align="left">
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<input type="password" name="passwd">
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</td>
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</tr>
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<tr>
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<?php
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if($message != "") {
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?>
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<td height="35" colspan="3" align="center">
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<?php
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echo $message;
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?>
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</td>
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<?php
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}
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else
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{
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?>
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<td style="border-style:none" align="right"><b>
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<?php
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echo _("Your Language") . ":";
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?>
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</b> </td>
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<td style="border-style:none" height="35" align="left">
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<select name="language" size="1">
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<?php
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for($i = 0; $i < count($languages); $i++) {
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if($languages[$i]["default"] == "YES") {
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?>
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<option selected value="<?php echo $languages[$i]["link"] . ":" . $languages[$i]["descr"]; ?>"><?php echo $languages[$i]["descr"]; ?></option>
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<?php
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}
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else
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{
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?>
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<option value="<?php echo $languages[$i]["link"] . ":" . $languages[$i]["descr"]; ?>"><?php echo $languages[$i]["descr"]; ?></option>
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<?php
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}
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}
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?>
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</select>
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</td>
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<?php
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}
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?>
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</tr>
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<tr>
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<td style="border-style:none" height="50" colspan="2" align="center">
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<input name="checklogin" type="submit" value="<?php echo _("Login"); ?>">
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</td>
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</tr>
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<tr>
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<td style="border-style:none" height="50" colspan="2" align="center">
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<?php
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if($error_message != "") {
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echo "<font color=\"red\"><b>" . $error_message . "</b></font>";
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}
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?>
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</td>
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</tr>
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<tr>
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<td style="border-style:none" height="30" colspan="2">
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<hr>
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<b>
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<?php
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echo _("LDAP server") . ": ";
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?></b>
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<?php echo $config_object->get_ServerURL(); ?>
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</td>
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</tr>
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<tr>
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<td style="border-style:none" height="30"><b>
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<?php
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echo _("Configuration profile") . ": ";
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if(!$_POST['profileChange']) {
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$_POST['profile'] = $_SESSION['config']->file;
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}
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?></b>
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<?php echo $_POST['profile']; ?>
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</td>
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<td style="border-style:none" height="30" align="right">
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<select name="profile" size="1">
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<?php
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for($i=0;$i<count($profiles);$i++) {
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?>
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<option value="<?php echo $profiles[$i]; ?>"><?php echo $profiles[$i]; ?></option>
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<?php
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}
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?>
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</select>
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<input name="profileChange" type="submit" value="<?php echo _("Change Profile"); ?>">
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</td>
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</tr>
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<tr>
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<td style="border-style:none" height="10" colspan="2"></td>
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</tr>
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</table>
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</form>
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<br><br>
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</body>
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</html>
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<?php
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}
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// checking if the submitted username/password is correct.
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if($_POST['checklogin'])
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{
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$_SESSION['lampath'] = realpath('../') . "/"; // Save full path to lam in session
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include_once("../lib/ldap.inc"); // Include ldap.php which provides Ldap class
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$_SESSION['ldap'] = new Ldap($_SESSION['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.");
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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 = $_SESSION['ldap']->connect($_POST['username'],$_POST['passwd']); // Connect to LDAP server for verifing username/password
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if($result === 0) // Username/password correct. Do some configuration and load main frame.
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{
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$_SESSION['loggedIn'] = true;
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$_SESSION['language'] = $_POST['language']; // Write selected language in session
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$current_language = explode(":",$_SESSION['language']);
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$_SESSION['header'] = "<?xml version=\"1.0\" encoding=\"" . $current_language[1] . "\"?>\n";
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$_SESSION['header'] .= "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n\n";
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$_SESSION['header'] .= "<html>\n<head>\n";
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$_SESSION['header'] .= "<meta http-equiv=\"content-type\" content=\"text/html; charset=" . $current_language[1] . "\">\n";
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$_SESSION['header'] .= "<meta http-equiv=\"pragma\" content=\"no-cache\">\n <meta http-equiv=\"cache-control\" content=\"no-cache\">";
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include("./main.php"); // Load main frame
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}
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else
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{
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if ($result === False)
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{
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$error_message = _("Cannot connect to specified LDAP-Server. Please try again.");
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display_LoginPage($_SESSION['config'],""); // connection failed
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}
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elseif ($result == 81)
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{
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$error_message = _("Cannot connect to specified LDAP-Server. Please try again.");
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display_LoginPage($_SESSION['config'],""); // connection failed
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}
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elseif ($result == 49)
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{
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$error_message = _("Wrong Password/Username combination. Try again.");
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display_LoginPage($_SESSION['config'],""); // Username/password invalid. Return to login page.
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}
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else
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{
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$error_message = _("LDAP error, server says:") . "\n<br>($result) " . ldap_err2str($result);
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display_LoginPage($_SESSION['config'],""); // other errors
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}
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}
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}
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}
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// Reload loginpage after a profile change
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elseif($_POST['profileChange']) {
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$_SESSION['config'] = new Config($_POST['profile']); // Recreate the config object with the submited
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display_LoginPage($_SESSION['config'],""); // Load login page
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}
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// Load login page
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else
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{
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$_SESSION['loggedIn'] = false;
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$default_Config = new CfgMain();
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$default_Profile = $default_Config->default;
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$_SESSION["config"] = new Config($default_Profile); // Create new Config object
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display_LoginPage($_SESSION["config"],$default_Profile); // Load Login page
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}
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?>
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