Subversion Repositories ALCASAR

<?php

# $Id: ldap.php 2449 2017-12-05 21:42:08Z tom.houdayer $

/* written by steweb57 & Rexy */

/****************************************************************

*			GLOBAL FILE PATHS			*

*****************************************************************/

define('CONF_FILE', '/usr/local/etc/alcasar.conf');

/****************************************************************

*			FILE reading test			*

*****************************************************************/

$conf_files = array(CONF_FILE);

foreach ($conf_files as $file) {

	if (!file_exists($file)) {

		exit("Fichier $file non présent");

	}

	if (!is_readable($file)) {

		exit("Vous n'avez pas les droits de lecture sur le fichier $file");

	}

}

/****************************************************************

*			Read CONF_FILE				*

*****************************************************************/

$file_conf = fopen(CONF_FILE, 'r');

if (!$file_conf) {

	exit('Error opening the file '.CONF_FILE);

}

while (!feof($file_conf)) {

	$buffer = fgets($file_conf, 4096);

	if ((strpos($buffer, '=') !== false) && (substr($buffer, 0, 1) !== '#')) {

		$tmp = explode('=', $buffer, 2);

		$conf[trim($tmp[0])] = trim($tmp[1]);

	}

}

fclose($file_conf);

/****************************************************************

*			Choice of language			*

*****************************************************************/

$Language = 'en';

if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {

	$Langue	  = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);

	$Language = strtolower(substr(chop($Langue[0]), 0, 2));

}

if ($Language === 'fr') {		// French

	$l_ldap_update_sucess		= "Mise à jour des paramètres LDAP réalisée avec succès";

	$l_ldap_title			= "Authentification externe : LDAP";

	$l_ldap_legend			= "Authentification LDAP";

	$l_ldap_auth_enable_label	= "Activer l'authentification LDAP:";

	$l_ldap_YES			= "OUI";

	$l_ldap_NO			= "NON";

	$l_ldap_server_label		= "Serveur LDAP:";

	$l_ldap_server_text		= "Adresse IP du serveur LDAP";

	$l_ldap_base_dn_label		= "DN de la base LDAP:";

	$l_ldap_base_dn_text		= "DN est le 'Distinguished Name', il définit où se situent les informations des utilisateurs dans l'annuaire. Exemple LDAP: 'o=mycompany, c=FR'. Exemple AD 'ou=my_lan,dc=server_name,dc=localdomain'";

	$l_ldap_filter_label		= "Identifiant LDAP:";

	$l_ldap_filter_text		= "Clé utilisée lors de la recherche d'un identifiant de connexion, exemple: 'uid', 'sn', etc. Pour un AD mettre 'sAMAccountName'.";

	$l_ldap_base_filter_label	= "Filtre de recherche d'utilisateurs LDAP:";

	$l_ldap_base_filter_text	= "En option, vous pouvez limiter les objets recherchés avec des filtres additionnels. Par exemple 'objectClass=posixGroup' aurait comme conséquence l'utilisation de '(&(uid=username)(objectClass=posixGroup))'";

	$l_ldap_user_label		= "Utilisateur LDAP:";

	$l_ldap_user_text		= "Nom d'utilisateur utilisé par ALCASAR pour se connecter au serveur LDAP. Laissez vide pour utiliser un accès invité (ou anomyme). Obligatoire sur un AD. exemple LDAP : 'uid=username,ou=my_lan,o=mycompany,c=FR'. Exemple AD : cn=username,ou=my_lan,dc=server_name,dc=localdomain'";

	$l_ldap_password_label		= "Mot de passe LDAP:";

	$l_ldap_password_text		= "Laissez vide pour un accès invité (ou anonyme). Obligatoire sur un AD.";

	$l_ldap_submit			= "Enregistrer";

	$l_ldap_reset			= "Annuler";

	$l_ldap_test_network_failed	= "Pas de connectivité réseau avec le serveur LDAP.";

	$l_ldap_test_connection_failed	= "Impossible de se connecter au serveur LDAP.";

	$l_ldap_test_bind_ok		= "Connexion LDAP réussie...";

	$l_ldap_test_bind_failed	= "Echec d'authentification sur le serveur LDAP... Vérifiez votre configuration";

	$l_ldap_test_dn_ok		= "DN semble bon";

	$l_ldap_test_dn_failed		= "DN semble mauvais";

	$l_ldap_error			= "erreur LDAP";

} else {				// English

	$l_ldap_update_sucess		= "Successfull LDAP settings update";

	$l_ldap_title			= "External authentication : LDAP";

	$l_ldap_legend			= "LDAP authentication";

	$l_ldap_auth_enable_label	= "Use LDAP authentication :";

	$l_ldap_YES			= "YES";

	$l_ldap_NO			= "NO";

	$l_ldap_server_label		= "LDAP server :";

	$l_ldap_server_text		= "This is the IP address of the LDAP server.";

	$l_ldap_base_dn_label		= "LDAP base dn:";

	$l_ldap_base_dn_text		= "This is the 'Distinguished Name', locating the user information in the directory. e.g. LDAP : 'o=MyCompany,c=US'. e.g. AD : 'ou=my_lan,dc=server_name,dc=localdomain'";

	$l_ldap_filter_label		= "LDAP uid:";

	$l_ldap_filter_text		= "This is the key used to search for a given login identity, e.g. 'uid', 'sn', etc.. For AD use 'sAMAccountName'.";

	$l_ldap_base_filter_label	= "LDAP user filter:";

	$l_ldap_base_filter_text	= "Optionally you can further limit the searched objects with additional filters. For example 'objectClass=posixGroup' would result in the use of '(&(uid=username)(objectClass=posixGroup))'";

	$l_ldap_user_label		= "LDAP user dn:";

	$l_ldap_user_text		= "Username used by ALCASAR to connect to the LDAP server. Leave blank to use anonymous binding. Required for AD. e.g. LDAP :'uid=Username,ou=my_lan,o=mycompany,c=US'. e.g. AD : cn=username,ou=my_lan,dc=server_name,dc=localdomain'";

	$l_ldap_password_label		= "LDAP password:";

	$l_ldap_password_text		= "Leave blank to use anonymous binding. Required for AD.";

	$l_ldap_submit			= "Save";

	$l_ldap_reset			= "Reset";

	$l_ldap_test_network_failed	= "LDAP server is not reachable.";

	$l_ldap_test_connection_failed	= "LDAP connexion failed...";

	$l_ldap_test_bind_ok		= "LDAP connexion success...";

	$l_ldap_test_bind_failed	= "LDAP authentication failed...Check your ldap setup...";

	$l_ldap_test_dn_ok              = "DN seems to be right";

	$l_ldap_test_dn_failed          = "DN seems to be wrong";

	$l_ldap_error			= "LDAP error";

}

$message = '';

if ((isset($_GET['erreur'])) && (!empty($_GET['erreur']))) { 

	$message  = '<div style="text-align: center"><br>';

	$message .= '<span style="font-weight: bold; color: red;">'.htmlspecialchars($erreur).'</span><br>';

	$message .= '<br></div>';

} else if (isset($_GET['update']) && ($_GET['update'] === 'ok')) {

	$message  = '<div style="text-align: center"><br>';

	$message .= '<span style="font-weight: bold; color: green;">'.$l_ldap_update_sucess.'</span><br>';

	$message .= '<br></div>';

}

// LDAP configuration params

$ldap_status      = ($conf['LDAP'] === 'on');

$ldap_server      = $conf['LDAP_SERVER'];

$ldap_identity    = $conf['LDAP_USER'];

$ldap_password    = $conf['LDAP_PASSWORD'];

$ldap_basedn      = $conf['LDAP_BASE'];

$ldap_filter      = $conf['LDAP_UID'];

$ldap_base_filter = $conf['LDAP_FILTER'];

function ldap_checkServerConfig($f_ldap_server, $f_ldap_identity, $f_ldap_password, $f_ldap_basedn, $f_ldap_filter, $f_ldap_port = 389) {

	// Test connect to the LDAP server

	if (!$sock = @fsockopen($f_ldap_server, $f_ldap_port, $num, $error, 2)) {

		// no network connection

		return -1;

	}

	fclose($sock);

	// Test connect to the LDAP server

	$ldapconn = ldap_connect($f_ldap_server, $f_ldap_port);

	ldap_set_option($ldapconn, LDAP_OPT_TIMELIMIT, 2);

	if (!$ldapconn) {

		// LDAP connection failed

		return -2;

	}

	$ldapbind = ldap_bind($ldapconn, $f_ldap_identity, $f_ldap_password);

	if (!$ldapbind) {

		// Test LDAP Version 3

		ldap_set_option($ldapconn, LDAP_OPT_PROTOCOL_VERSION, 3);

		$ldapbind = ldap_bind($ldapconn, $f_ldap_identity, $f_ldap_password);

		if (!$ldapbind) {

			// LDAP Bind failed

			return 0;

		}

	}

	ldap_unbind($ldapconn);

	// try search

	$query = $f_ldap_filter.'=*';

	if (ldap_search($ldapconn, $f_ldap_basedn, $query)) {

		return 2;

	} else {

		return 1;

	}

}

// TODO : check LDAP PHP extension loaded?

// if (!extension_loaded('ldap')) {

// 	exit();

// }

$pos = strpos($ldap_server, '//');

if ($pos !== false) {

	// TODO : useless?

	$new_ldap_server = explode('//', $ldap_server); // pour discriminer le host et le protocole dans la notation "ldap://192.168.182.10" ou "ldaps://monldap.monentreperise.com"

} else {

	$new_ldap_server = $ldap_server;

}

if ($ldap_status) {

	$serverCheckResult = ldap_checkServerConfig($new_ldap_server, $ldap_identity, $ldap_password, $ldap_basedn, $ldap_filter);

}

?>

<!DOCTYPE html>

<html>

<head>

	<meta charset="UTF-8">

	<title><?= $l_ldap_title ?></title>

	<link type="text/css" href="/css/style.css" rel="stylesheet">

	<link type="text/css" href="/css/acc.css" rel="stylesheet">

	<link type="text/css" href="/css/ldap.css" rel="stylesheet">

	<script>

	function onLdapStatusChange() {

		var listToDisables = ['ldap_server', 'ldap_dn', 'ldap_filter', 'ldap_base_filter', 'ldap_user', 'ldap_password'];

		if (document.getElementById("auth_enable").value === '1') {

			for (var i=0; i<listToDisables.length; i++) {

				document.getElementById(listToDisables[i]).style.backgroundColor = '#ffffff';

				document.getElementById(listToDisables[i]).disabled = false;

			}

		} else {

			for (var i=0; i<listToDisables.length; i++) {

				document.getElementById(listToDisables[i]).style.backgroundColor = '#c0c0c0';

				document.getElementById(listToDisables[i]).disabled = true;

			}

		}

	}

	</script>

</head>

<body onLoad="onLdapStatusChange();">

	<div class="panel">

		<div class="panel-header"><?= $l_ldap_legend ?></div>

		<div class="panel-body">

			<form name="config_ldap" method="post" action="update_ldap.php">

				<fieldset>

					<legend>

						<?= $message ?>

						<?php if ($ldap_status): ?>

							<div style="text-align: center"><br>

								<?php if ($serverCheckResult === -2): ?>

									<span style="color: red"><?= $l_ldap_test_connection_failed ?></span>

								<?php elseif ($serverCheckResult === -1): ?>

									<span style="color: red"><?= $l_ldap_test_network_failed ?></span>

								<?php elseif ($serverCheckResult === 0): ?>

									<span style="color: red"><?= $l_ldap_test_bind_failed ?></span>

								<?php elseif ($serverCheckResult === 1): ?>

										<span style="color: green"><?= $l_ldap_test_bind_ok ?></span>

										<br>";

										<span style="color: red"><?= $l_ldap_test_dn_failed ?></span>

								<?php elseif ($serverCheckResult === 2): ?>

										<span style="color: green"><?= $l_ldap_test_bind_ok ?></span>

										<br>";

										<span style="color: green"><?= $l_ldap_test_dn_ok ?></span>

								<?php else: ?>

									<span><?= $l_ldap_error ?></span>

								<?php endif ?>

								<br><br>

							</div>

						<?php endif ?>

					</legend>

					<dl>

						<dt>

							<label for="auth_enable"><?= $l_ldap_auth_enable_label ?></label>

						</dt>

						<dd>

							<select id="auth_enable" name="auth_enable" onchange="onLdapStatusChange();">

								<option value="1"<?= ($ldap_status)  ? ' selected="selected"' : '' ?>><?= $l_ldap_YES ?></option>

								<option value="0"<?= (!$ldap_status) ? ' selected="selected"' : '' ?>><?= $l_ldap_NO ?></option>

							</select>

						</dd>

					</dl>

					<dl>

						<dt>

							<label for="ldap_server"><?= $l_ldap_server_label ?></label><br>

							<?= $l_ldap_server_text ?>

						</dt>

						<dd>

							<input id="ldap_server" size="40" name="ldap_server" value="<?= htmlspecialchars($ldap_server) ?>">

						</dd>

					</dl>

					<dl>

						<dt>

							<label for="ldap_dn"><?= $l_ldap_base_dn_label ?></label><br>

							<?= $l_ldap_base_dn_text ?>

						</dt>

						<dd>

							<input id="ldap_dn" size="40" name="ldap_base_dn" value="<?= htmlspecialchars($ldap_basedn) ?>">

						</dd>

					</dl>

					<dl>

						<dt>

							<label for="ldap_filter"><?= $l_ldap_filter_label ?></label><br>

							<?= $l_ldap_filter_text ?>

						</dt>

						<dd>

							<input id="ldap_filter" size="40" name="ldap_filter" value="<?= htmlspecialchars($ldap_filter) ?>">

						</dd>

					</dl>

					<dl>

						<dt>

							<label for="ldap_base_filter"><?= $l_ldap_base_filter_label ?></label><br>

							<?= $l_ldap_base_filter_text ?>

						</dt>

						<dd>

							<input id="ldap_base_filter" size="40" name="ldap_base_filter" value="<?= htmlspecialchars($ldap_base_filter) ?>">

						</dd>

					</dl>

					<dl>

						<dt>

							<label for="ldap_user"><?= $l_ldap_user_label ?></label><br>

							<?= $l_ldap_user_text ?>

						</dt>

						<dd>

							<input id="ldap_user" size="40" name="ldap_user" value="<?= htmlspecialchars($ldap_identity) ?>">

						</dd>

					</dl>

					<dl>

						<dt>

							<label for="ldap_password"><?= $l_ldap_password_label ?></label><br>

							<?= $l_ldap_password_text ?>

						</dt>

						<dd>

							<input id="ldap_password" type="password" size="40" name="ldap_password" value="<?= htmlspecialchars($ldap_password) ?>">

						</dd>

					</dl>

					<p>

						<input id="submit" type="submit" value="<?= $l_ldap_submit ?>" name="submit">

						<input id="reset" type="reset" value="<?= $l_ldap_reset ?>" name="reset">

					</p>

				</fieldset>

			</form>

		</div>

	</div>

</body>

</html>