<?php /* $Id$ 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. 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 LDAP Account Manager checking login datas. */ include_once("../lib/config.inc"); // Include config.inc which provides Config class session_save_path("../sess"); // Set session save path @session_start(); // Start LDAP Account Manager session /** * Displays the login window. * * @param object $config_object current active configuration */ function display_LoginPage($config_object) { global $error_message; // generate 256 bit key and initialization vector for user/passwd-encryption // check if we can use /dev/random otherwise use /dev/urandom or rand() if(function_exists('mcrypt_create_iv')) { $key = @mcrypt_create_iv(32, MCRYPT_DEV_RANDOM); if (! $key) $key = @mcrypt_create_iv(32, MCRYPT_DEV_URANDOM); if (! $key) { srand((double)microtime()*1234567); $key = mcrypt_create_iv(32, MCRYPT_RAND); } $iv = @mcrypt_create_iv(32, MCRYPT_DEV_RANDOM); if (! $iv) $iv = @mcrypt_create_iv(32, MCRYPT_DEV_URANDOM); if (! $iv) { srand((double)microtime()*1234567); $iv = mcrypt_create_iv(32, MCRYPT_RAND); } } // use Blowfish if MCrypt is not available else { // generate iv and key for encryption $key = ""; $iv = ""; while (strlen($key) < 30) $key .= mt_rand(); while (strlen($iv) < 30) $iv .= mt_rand(); } // save both in cookie setcookie("Key", base64_encode($key), 0, "/"); setcookie("IV", base64_encode($iv), 0, "/"); $_SESSION['language'] = $config_object->get_defaultLanguage(); $current_language = explode(":",$_SESSION['language']); $_SESSION['header'] = "<?xml version=\"1.0\" encoding=\"" . $current_language[1] . "\"?>\n"; $_SESSION['header'] .= "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n\n"; $_SESSION['header'] .= "<html>\n<head>\n"; $_SESSION['header'] .= "<meta http-equiv=\"content-type\" content=\"text/html; charset=" . $current_language[1] . "\">\n"; $_SESSION['header'] .= "<meta http-equiv=\"pragma\" content=\"no-cache\">\n <meta http-equiv=\"cache-control\" content=\"no-cache\">"; // loading available languages from language.conf file $languagefile = "../config/language"; if(is_file($languagefile) == True) { $file = fopen($languagefile, "r"); $i = 0; while(!feof($file)) { $line = fgets($file, 1024); if($line == "" || $line == "\n" || $line[0] == "#") continue; // ignore comment and empty lines $value = explode(":", $line); $languages[$i]["link"] = $value[0] . ":" . $value[1]; $languages[$i]["descr"] = $value[2]; if(rtrim($line) == $_SESSION["language"]) { $languages[$i]["default"] = "YES"; } else { $languages[$i]["default"] = "NO"; } $i++; } fclose($file); } $profiles = getConfigProfiles(); setlanguage(); // setting correct language echo $_SESSION["header"]; ?> <title>LDAP Account Manager -Login-</title> <link rel="stylesheet" type="text/css" href="../style/layout.css"> </head> <body> <?php // set focus on password field echo "<script type=\"text/javascript\" language=\"javascript\">\n"; echo "<!--\n"; echo "window.onload = function() {\n"; echo "loginField = document.getElementsByName('passwd')[0];\n"; echo "loginField.focus();\n"; echo "}\n"; echo "//-->\n"; echo "</script>\n"; ?> <p align="center"> <a href="http://lam.sf.net" target="_blank"><img src="../graphics/banner.jpg" border="1" alt="LDAP Account Manager"></a> </p> <table width="100%" border="0"> <tr> <td width="100%" align="right"> <a href="./config/conflogin.php" target="_self"><?php echo _("Configuration login"); ?></a> </td> </tr> </table> <hr><br><br> <?php // check if all password hashes are possible if ((! function_exists('mHash')) && (! function_exists('sha1'))) { 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."); echo "<br><br>"; } // check if PHP has LDAP support if (! function_exists('ldap_search')) { StatusMessage("ERROR", "Your PHP has no LDAP support!", "Please install the LDAP extension for PHP."); echo "<br><br>"; } // check if PHP has gettext support if (! function_exists('gettext')) { StatusMessage("ERROR", "Your PHP has no gettext support!", "Please install gettext for PHP."); echo "<br><br>"; } ?> <table width="650" align="center" border="2" rules="none" bgcolor="white"> <tr> <td style="border-style:none" width="70" rowspan="2"> <img src="../graphics/lam.png" alt="Logo"> </td> <td width="580"> <form action="login.php" method="post"> <table width="580"> <tr> <td style="border-style:none" height="70" colspan="2" align="center"> <font color="darkblue"><b><big><?php echo _("Please select your user name and enter your password to log in"); ?></big></b></font> </td> </tr> <tr> <td style="border-style:none" height="35" align="right"><b> <?php echo _("User name") . ":"; ?> </b> </td> <td style="border-style:none" height="35" align="left"> <select name="username" size="1" tabindex="0"> <?php $admins = $config_object->get_Admins(); for($i = 0; $i < count($admins); $i++) { $text = explode(",", $admins[$i]); $text = explode("=", $text[0]); ?> <option value="<?php echo $admins[$i]; ?>"><?php echo $text[1]; ?></option> <?php } ?> </select> </td> </tr> <tr> <td style="border-style:none" height="35" align="right"><b> <?php echo _("Password") . ":"; ?> </b> </td> <td style="border-style:none" height="35" align="left"> <input type="password" name="passwd" tabindex="1"> </td> </tr> <tr> <td style="border-style:none" align="right"><b> <?php echo _("Language") . ":"; ?> </b> </td> <td style="border-style:none" height="35" align="left"> <select name="language" size="1" tabindex="2"> <?php for($i = 0; $i < count($languages); $i++) { if($languages[$i]["default"] == "YES") { ?> <option selected value="<?php echo $languages[$i]["link"] . ":" . $languages[$i]["descr"]; ?>"><?php echo $languages[$i]["descr"]; ?></option> <?php } else { ?> <option value="<?php echo $languages[$i]["link"] . ":" . $languages[$i]["descr"]; ?>"><?php echo $languages[$i]["descr"]; ?></option> <?php } } ?> </select> </td> </tr> <tr> <td style="border-style:none" height="50" colspan="2" align="center"> <input name="checklogin" type="hidden" value="checklogin"> <input name="submit" type="submit" value="<?php echo _("Login"); ?>" tabindex="3"> </td> </tr> <tr> <td style="border-style:none" colspan="2" align="center"> <?php if($error_message != "") { echo "<font color=\"red\"><b>" . $error_message . "</b></font>"; } ?> </td> </tr> </table> </form> </td> </tr> <tr> <td> <form action="login.php" method="post"> <table width="580"> <tr> <td style="border-style:none" height="30" colspan="2"> <hr> <b> <?php echo _("LDAP server") . ": "; ?></b> <?php echo $config_object->get_ServerURL(); ?> </td> </tr> <tr> <td style="border-style:none" height="30"><b> <?php echo _("Configuration profile") . ": "; if(!$_POST['profileChange']) { $_POST['profile'] = $_SESSION['config']->file; } ?></b> <?php echo $_POST['profile']; ?> </td> <td style="border-style:none" height="30" align="right"> <select name="profile" size="1" tabindex="4"> <?php for($i=0;$i<count($profiles);$i++) { ?> <option value="<?php echo $profiles[$i]; ?>"><?php echo $profiles[$i]; ?></option> <?php } ?> </select> <input name="profileChange" type="hidden" value="profileChange"> <input name="submit" type="submit" value="<?php echo _("Change profile"); ?>" tabindex="5"> </td> </tr> <tr> <td style="border-style:none" height="10" colspan="2"></td> </tr> </table> </form> </td> </tr> </table> <br><br> <TABLE style="position:absolute; bottom:10px;" border="0" width="99%"> <TR><TD align="right"><HR> <SMALL> <?php echo "LDAP Account Manager: <b>" . LAMVersion() . "</b> "; ?> </SMALL> </TD></TR> </TABLE> </body> </html> <?php } // checking if the submitted username/password is correct. if($_POST['checklogin']) { $_SESSION['lampath'] = realpath('../') . "/"; // Save full path to lam in session include_once("../lib/ldap.inc"); // Include ldap.php which provides Ldap class $_SESSION['ldap'] = new Ldap($_SESSION['config']); // Create new Ldap object if($_POST['passwd'] == "") { $error_message = _("Empty password submitted. Please try again."); display_LoginPage($_SESSION['config']); // Empty password submitted. Return to login page. } else { if (get_magic_quotes_gpc() == 1) { $_POST['passwd'] = stripslashes($_POST['passwd']); } $result = $_SESSION['ldap']->connect($_POST['username'],$_POST['passwd']); // Connect to LDAP server for verifing username/password if($result === 0) // Username/password correct. Do some configuration and load main frame. { $_SESSION['loggedIn'] = true; $_SESSION['language'] = $_POST['language']; // Write selected language in session $current_language = explode(":",$_SESSION['language']); $_SESSION['header'] = "<?xml version=\"1.0\" encoding=\"" . $current_language[1] . "\"?>\n"; $_SESSION['header'] .= "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n\n"; $_SESSION['header'] .= "<html>\n<head>\n"; $_SESSION['header'] .= "<meta http-equiv=\"content-type\" content=\"text/html; charset=" . $current_language[1] . "\">\n"; $_SESSION['header'] .= "<meta http-equiv=\"pragma\" content=\"no-cache\">\n <meta http-equiv=\"cache-control\" content=\"no-cache\">"; include("./main.php"); // Load main frame } else { if ($result === False) { $error_message = _("Cannot connect to specified LDAP server. Please try again."); display_LoginPage($_SESSION['config']); // connection failed } elseif ($result == 81) { $error_message = _("Cannot connect to specified LDAP server. Please try again."); display_LoginPage($_SESSION['config']); // connection failed } elseif ($result == 49) { $error_message = _("Wrong password/user name combination. Please try again."); display_LoginPage($_SESSION['config']); // Username/password invalid. Return to login page. } else { $error_message = _("LDAP error, server says:") . "\n<br>($result) " . ldap_err2str($result); display_LoginPage($_SESSION['config']); // other errors } } } } // Reload loginpage after a profile change elseif($_POST['profileChange']) { $_SESSION['config'] = new Config($_POST['profile']); // Recreate the config object with the submited display_LoginPage($_SESSION['config']); // Load login page } // Load login page else { $_SESSION['loggedIn'] = false; $default_Config = new CfgMain(); $default_Profile = $default_Config->default; $_SESSION["config"] = new Config($default_Profile); // Create new Config object display_LoginPage($_SESSION["config"]); // Load Login page } ?>