Subversion Repositories ALCASAR

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Rev Author Line No. Line
318 richard 1 
<?php
2449 tom.houday 2 
# $Id: ldap.php 2451 2017-12-05 22:33:27Z tom.houdayer $
3 
 
2446 richard 4 
/* written by steweb57 & Rexy */
318 richard 5 
/****************************************************************
2449 tom.houday 6 
*			GLOBAL FILE PATHS			*
318 richard 7 
*****************************************************************/
2449 tom.houday 8 
define('CONF_FILE', '/usr/local/etc/alcasar.conf');
318 richard 9 
 
2449 tom.houday 10 
/****************************************************************
11 
*			FILE reading test			*
12 
*****************************************************************/
13 
$conf_files = array(CONF_FILE);
14 
foreach ($conf_files as $file) {
15 
	if (!file_exists($file)) {
16 
		exit("Fichier $file non présent");
17 
	}
18 
	if (!is_readable($file)) {
19 
		exit("Vous n'avez pas les droits de lecture sur le fichier $file");
20 
	}
21 
}
318 richard 22 
 
1160 stephane 23 
/****************************************************************
2449 tom.houday 24 
*			Read CONF_FILE				*
25 
*****************************************************************/
26 
$file_conf = fopen(CONF_FILE, 'r');
27 
if (!$file_conf) {
28 
	exit('Error opening the file '.CONF_FILE);
29 
}
30 
while (!feof($file_conf)) {
31 
	$buffer = fgets($file_conf, 4096);
32 
	if ((strpos($buffer, '=') !== false) && (substr($buffer, 0, 1) !== '#')) {
33 
		$tmp = explode('=', $buffer, 2);
34 
		$conf[trim($tmp[0])] = trim($tmp[1]);
35 
	}
36 
}
37 
fclose($file_conf);
38 
 
39 
/****************************************************************
1672 richard 40 
*			Choice of language			*
1160 stephane 41 
*****************************************************************/
42 
$Language = 'en';
2449 tom.houday 43 
if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
44 
	$Langue	  = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
45 
	$Language = strtolower(substr(chop($Langue[0]), 0, 2));
46 
}
47 
if ($Language === 'fr') {		// French
1160 stephane 48 
	$l_ldap_update_sucess		= "Mise à jour des paramètres LDAP réalisée avec succès";
1672 richard 49 
	$l_ldap_title			= "Authentification externe : LDAP";
50 
	$l_ldap_legend			= "Authentification LDAP";
1160 stephane 51 
	$l_ldap_auth_enable_label	= "Activer l'authentification LDAP:";
1672 richard 52 
	$l_ldap_YES			= "OUI";
53 
	$l_ldap_NO			= "NON";
1677 richard 54 
	$l_ldap_server_label		= "Serveur LDAP:";
2306 tom.houday 55 
	$l_ldap_server_text		= "Adresse IP du serveur LDAP";
1160 stephane 56 
	$l_ldap_base_dn_label		= "DN de la base LDAP:";
1673 richard 57 
	$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'";
1160 stephane 58 
	$l_ldap_filter_label		= "Identifiant LDAP:";
1673 richard 59 
	$l_ldap_filter_text		= "Clé utilisée lors de la recherche d'un identifiant de connexion, exemple: 'uid', 'sn', etc. Pour un AD mettre 'sAMAccountName'.";
60 
	$l_ldap_base_filter_label	= "Filtre de recherche d'utilisateurs LDAP:";
61 
	$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 '(&amp;(uid=username)(objectClass=posixGroup))'";
1672 richard 62 
	$l_ldap_user_label		= "Utilisateur LDAP:";
1673 richard 63 
	$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'";
1160 stephane 64 
	$l_ldap_password_label		= "Mot de passe LDAP:";
1673 richard 65 
	$l_ldap_password_text		= "Laissez vide pour un accès invité (ou anonyme). Obligatoire sur un AD.";
1672 richard 66 
	$l_ldap_submit			= "Enregistrer";
67 
	$l_ldap_reset			= "Annuler";
1160 stephane 68 
	$l_ldap_test_network_failed	= "Pas de connectivité réseau avec le serveur LDAP.";
69 
	$l_ldap_test_connection_failed	= "Impossible de se connecter au serveur LDAP.";
70 
	$l_ldap_test_bind_ok		= "Connexion LDAP réussie...";
1673 richard 71 
	$l_ldap_test_bind_failed	= "Echec d'authentification sur le serveur LDAP... Vérifiez votre configuration";
1395 richard 72 
	$l_ldap_test_dn_ok		= "DN semble bon";
73 
	$l_ldap_test_dn_failed		= "DN semble mauvais";
2449 tom.houday 74 
	$l_ldap_error			= "erreur LDAP";
75 
} else {				// English
1160 stephane 76 
	$l_ldap_update_sucess		= "Successfull LDAP settings update";
1672 richard 77 
	$l_ldap_title			= "External authentication : LDAP";
78 
	$l_ldap_legend			= "LDAP authentication";
1160 stephane 79 
	$l_ldap_auth_enable_label	= "Use LDAP authentication :";
1672 richard 80 
	$l_ldap_YES			= "YES";
81 
	$l_ldap_NO			= "NO";
1677 richard 82 
	$l_ldap_server_label		= "LDAP server :";
2306 tom.houday 83 
	$l_ldap_server_text		= "This is the IP address of the LDAP server.";
1160 stephane 84 
	$l_ldap_base_dn_label		= "LDAP base dn:";
1673 richard 85 
	$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'";
1160 stephane 86 
	$l_ldap_filter_label		= "LDAP uid:";
1673 richard 87 
	$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'.";
1160 stephane 88 
	$l_ldap_base_filter_label	= "LDAP user filter:";
89 
	$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 '(&amp;(uid=username)(objectClass=posixGroup))'";
1672 richard 90 
	$l_ldap_user_label		= "LDAP user dn:";
1673 richard 91 
	$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'";
1160 stephane 92 
	$l_ldap_password_label		= "LDAP password:";
1673 richard 93 
	$l_ldap_password_text		= "Leave blank to use anonymous binding. Required for AD.";
1672 richard 94 
	$l_ldap_submit			= "Save";
95 
	$l_ldap_reset			= "Reset";
1160 stephane 96 
	$l_ldap_test_network_failed	= "LDAP server is not reachable.";
97 
	$l_ldap_test_connection_failed	= "LDAP connexion failed...";
98 
	$l_ldap_test_bind_ok		= "LDAP connexion success...";
99 
	$l_ldap_test_bind_failed	= "LDAP authentication failed...Check your ldap setup...";
1395 richard 100 
	$l_ldap_test_dn_ok              = "DN seems to be right";
101 
	$l_ldap_test_dn_failed          = "DN seems to be wrong";
2449 tom.houday 102 
	$l_ldap_error			= "LDAP error";
1160 stephane 103 
}
318 richard 104 
 
105 
 
2449 tom.houday 106 
function ldap_checkServerConfig($f_ldap_server, $f_ldap_identity, $f_ldap_password, $f_ldap_basedn, $f_ldap_filter, $f_ldap_port = 389) {
107 
	// Test connect to the LDAP server
620 stephane 108 
	if (!$sock = @fsockopen($f_ldap_server, $f_ldap_port, $num, $error, 2)) {
658 stephane 109 
		// no network connection
620 stephane 110 
		return -1;
2449 tom.houday 111 
	}
112 
	fclose($sock);
1395 richard 113 
 
2449 tom.houday 114 
	// Test connect to the LDAP server
115 
	$ldapconn = ldap_connect($f_ldap_server, $f_ldap_port);
116 
	ldap_set_option($ldapconn, LDAP_OPT_TIMELIMIT, 2);
117 
	if (!$ldapconn) {
118 
		// LDAP connection failed
119 
		return -2;
620 stephane 120 
	}
121 
 
2449 tom.houday 122 
	$ldapbind = ldap_bind($ldapconn, $f_ldap_identity, $f_ldap_password);
123 
	if (!$ldapbind) {
124 
		// Test LDAP Version 3
125 
		ldap_set_option($ldapconn, LDAP_OPT_PROTOCOL_VERSION, 3);
126 
		$ldapbind = ldap_bind($ldapconn, $f_ldap_identity, $f_ldap_password);
318 richard 127 
 
2449 tom.houday 128 
		if (!$ldapbind) {
129 
			// LDAP Bind failed
130 
			return 0;
318 richard 131 
		}
2449 tom.houday 132 
	}
133 
	ldap_unbind($ldapconn);
134 
 
135 
	// try search
136 
	$query = $f_ldap_filter.'=*';
137 
	if (ldap_search($ldapconn, $f_ldap_basedn, $query)) {
138 
		return 2;
318 richard 139 
	} else {
2449 tom.houday 140 
		return 1;
318 richard 141 
	}
142 
}
2449 tom.houday 143 
 
2451 tom.houday 144 
$messages = '';
145 
 
146 
if (isset($_POST['auth_enable'])) {
147 
	if ($_POST['auth_enable'] === '1') {
148 
		$varErrors = [];
149 
		if (isset($_POST['ldap_server']))      $ldap_server      = $_POST['ldap_server'];      else array_push($varErrors, 'Variable error "ldap_server"');
150 
		if (isset($_POST['ldap_base_dn']))     $ldap_base_dn     = $_POST['ldap_base_dn'];     else array_push($varErrors, 'Variable error "ldap_base_dn"');
151 
		if (isset($_POST['ldap_filter']))      $ldap_filter      = $_POST['ldap_filter'];      else array_push($varErrors, 'Variable error "ldap_filter"');
152 
		if (isset($_POST['ldap_base_filter'])) $ldap_base_filter = $_POST['ldap_base_filter']; else array_push($varErrors, 'Variable error "ldap_base_filter"');
153 
		if (isset($_POST['ldap_user']))        $ldap_user        = $_POST['ldap_user'];        else array_push($varErrors, 'Variable error "ldap_user"');
154 
		if (isset($_POST['ldap_password']))    $ldap_password    = $_POST['ldap_password'];    else array_push($varErrors, 'Variable error "ldap_password"');
155 
 
156 
		// Validation
157 
		if (isset($ldap_server)) {
158 
			if ((!preg_match('/^([0-9]{1,3}\.){3}([0-9]{1,3})$/', $ldap_server)) && (preg_match('/^[a-zA-Z0-9-_.]+$/', $ldap_server))) {
159 
				$ldap_server = gethostbyname($ldap_server);
160 
			}
161 
			if (!preg_match('/^([0-9]{1,3}\.){3}([0-9]{1,3})$/', $ldap_server)) {
162 
				array_push($varErrors, 'Invalid LDAP server IP');
163 
			}
164 
		}
165 
 
166 
		if (!empty($varErrors)) {
167 
			$messages .= '<div style="text-align: center"><br>';
168 
			foreach ($varErrors as $error) {
169 
				$messages .= '<span style="font-weight: bold; color: red;">'.$error.'</span><br>';
170 
			}
171 
			$messages .= '<br></div>';
172 
		} else {
173 
			exec('sed -i \'s/^LDAP=.*/LDAP=on/g\' '.CONF_FILE);
174 
			exec('sed -i '.escapeshellarg("s/^LDAP_SERVER=.*/LDAP_SERVER=$ldap_server/g").' '.CONF_FILE);
175 
			exec('sed -i '.escapeshellarg("s/^LDAP_BASE=.*/LDAP_BASE=$ldap_base_dn/g").' '.CONF_FILE);
176 
			exec('sed -i '.escapeshellarg("s/^LDAP_UID=.*/LDAP_UID=$ldap_filter/g").' '.CONF_FILE);
177 
			exec('sed -i '.escapeshellarg("s/^LDAP_FILTER=.*/LDAP_FILTER=$ldap_filter/g").' '.CONF_FILE);
178 
			exec('sed -i '.escapeshellarg("s/^LDAP_USER=.*/LDAP_USER=$ldap_user/g").' '.CONF_FILE);
179 
			exec('sed -i '.escapeshellarg("s/^LDAP_PASSWORD=.*/LDAP_PASSWORD=$ldap_password/g").' '.CONF_FILE);
180 
			exec('sudo /usr/local/bin/alcasar-ldap.sh --on');
181 
 
182 
			$messages .= '<div style="text-align: center"><br>';
183 
			$messages .= '<span style="font-weight: bold; color: green;">'.$l_ldap_update_sucess.'</span><br>';
184 
			$messages .= '<br></div>';
185 
		}
186 
	} else {
187 
		exec('sed -i "s/^LDAP=.*/LDAP=off/g" '.CONF_FILE);
188 
		exec('sudo /usr/local/bin/alcasar-ldap.sh --off');
189 
 
190 
		$messages .= '<div style="text-align: center"><br>';
191 
		$messages .= '<span style="font-weight: bold; color: green;">'.$l_ldap_update_sucess.'</span><br>';
192 
		$messages .= '<br></div>';
193 
	}
194 
 
195 
	// Reload configuration
196 
	$file_conf = fopen(CONF_FILE, 'r');
197 
	if (!$file_conf) {
198 
		exit('Error opening the file '.CONF_FILE);
199 
	}
200 
	while (!feof($file_conf)) {
201 
		$buffer = fgets($file_conf, 4096);
202 
		if ((strpos($buffer, '=') !== false) && (substr($buffer, 0, 1) !== '#')) {
203 
			$tmp = explode('=', $buffer, 2);
204 
			$conf[trim($tmp[0])] = trim($tmp[1]);
205 
		}
206 
	}
207 
	fclose($file_conf);
208 
}
209 
 
210 
// LDAP configuration params
211 
$ldap_status      = ($conf['LDAP'] === 'on');
212 
$ldap_server      = $conf['LDAP_SERVER'];
213 
$ldap_identity    = $conf['LDAP_USER'];
214 
$ldap_password    = $conf['LDAP_PASSWORD'];
215 
$ldap_basedn      = $conf['LDAP_BASE'];
216 
$ldap_filter      = $conf['LDAP_UID'];
217 
$ldap_base_filter = $conf['LDAP_FILTER'];
218 
 
2449 tom.houday 219 
// TODO : check LDAP PHP extension loaded?
220 
// if (!extension_loaded('ldap')) {
221 
// 	exit();
222 
// }
223 
 
224 
$pos = strpos($ldap_server, '//');
225 
if ($pos !== false) {
226 
	// TODO : useless?
227 
	$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"
658 stephane 228 
} else {
659 richard 229 
	$new_ldap_server = $ldap_server;
658 stephane 230 
}
2449 tom.houday 231 
if ($ldap_status) {
232 
	$serverCheckResult = ldap_checkServerConfig($new_ldap_server, $ldap_identity, $ldap_password, $ldap_basedn, $ldap_filter);
233 
}
1395 richard 234 
 
620 stephane 235 
?>
2449 tom.houday 236 
<!DOCTYPE html>
237 
<html>
238 
<head>
239 
	<meta charset="UTF-8">
240 
	<title><?= $l_ldap_title ?></title>
241 
	<link type="text/css" href="/css/style.css" rel="stylesheet">
242 
	<link type="text/css" href="/css/acc.css" rel="stylesheet">
243 
	<link type="text/css" href="/css/ldap.css" rel="stylesheet">
244 
	<script>
245 
	function onLdapStatusChange() {
246 
		var listToDisables = ['ldap_server', 'ldap_dn', 'ldap_filter', 'ldap_base_filter', 'ldap_user', 'ldap_password'];
318 richard 247 
 
2449 tom.houday 248 
		if (document.getElementById("auth_enable").value === '1') {
249 
			for (var i=0; i<listToDisables.length; i++) {
250 
				document.getElementById(listToDisables[i]).style.backgroundColor = '#ffffff';
251 
				document.getElementById(listToDisables[i]).disabled = false;
252 
			}
253 
		} else {
254 
			for (var i=0; i<listToDisables.length; i++) {
255 
				document.getElementById(listToDisables[i]).style.backgroundColor = '#c0c0c0';
256 
				document.getElementById(listToDisables[i]).disabled = true;
257 
			}
258 
		}
259 
	}
260 
	</script>
261 
</head>
262 
<body onLoad="onLdapStatusChange();">
263 
	<div class="panel">
264 
		<div class="panel-header"><?= $l_ldap_legend ?></div>
265 
		<div class="panel-body">
2451 tom.houday 266 
			<form name="config_ldap" method="POST" action="<?= htmlspecialchars($_SERVER['PHP_SELF']) ?>">
2449 tom.houday 267 
				<fieldset>
268 
					<legend>
2451 tom.houday 269 
						<?= $messages ?>
2449 tom.houday 270 
						<?php if ($ldap_status): ?>
271 
							<div style="text-align: center"><br>
272 
								<?php if ($serverCheckResult === -2): ?>
273 
									<span style="color: red"><?= $l_ldap_test_connection_failed ?></span>
274 
								<?php elseif ($serverCheckResult === -1): ?>
275 
									<span style="color: red"><?= $l_ldap_test_network_failed ?></span>
276 
								<?php elseif ($serverCheckResult === 0): ?>
277 
									<span style="color: red"><?= $l_ldap_test_bind_failed ?></span>
278 
								<?php elseif ($serverCheckResult === 1): ?>
279 
										<span style="color: green"><?= $l_ldap_test_bind_ok ?></span>
280 
										<br>";
281 
										<span style="color: red"><?= $l_ldap_test_dn_failed ?></span>
282 
								<?php elseif ($serverCheckResult === 2): ?>
283 
										<span style="color: green"><?= $l_ldap_test_bind_ok ?></span>
284 
										<br>";
285 
										<span style="color: green"><?= $l_ldap_test_dn_ok ?></span>
286 
								<?php else: ?>
287 
									<span><?= $l_ldap_error ?></span>
288 
								<?php endif ?>
289 
								<br><br>
290 
							</div>
291 
						<?php endif ?>
292 
					</legend>
293 
					<dl>
294 
						<dt>
295 
							<label for="auth_enable"><?= $l_ldap_auth_enable_label ?></label>
296 
						</dt>
297 
						<dd>
298 
							<select id="auth_enable" name="auth_enable" onchange="onLdapStatusChange();">
299 
								<option value="1"<?= ($ldap_status)  ? ' selected="selected"' : '' ?>><?= $l_ldap_YES ?></option>
300 
								<option value="0"<?= (!$ldap_status) ? ' selected="selected"' : '' ?>><?= $l_ldap_NO ?></option>
301 
							</select>
302 
						</dd>
303 
					</dl>
304 
					<dl>
305 
						<dt>
306 
							<label for="ldap_server"><?= $l_ldap_server_label ?></label><br>
307 
							<?= $l_ldap_server_text ?>
308 
						</dt>
309 
						<dd>
310 
							<input id="ldap_server" size="40" name="ldap_server" value="<?= htmlspecialchars($ldap_server) ?>">
311 
						</dd>
312 
					</dl>
313 
					<dl>
314 
						<dt>
315 
							<label for="ldap_dn"><?= $l_ldap_base_dn_label ?></label><br>
316 
							<?= $l_ldap_base_dn_text ?>
317 
						</dt>
318 
						<dd>
319 
							<input id="ldap_dn" size="40" name="ldap_base_dn" value="<?= htmlspecialchars($ldap_basedn) ?>">
320 
						</dd>
321 
					</dl>
322 
					<dl>
323 
						<dt>
324 
							<label for="ldap_filter"><?= $l_ldap_filter_label ?></label><br>
325 
							<?= $l_ldap_filter_text ?>
326 
						</dt>
327 
						<dd>
328 
							<input id="ldap_filter" size="40" name="ldap_filter" value="<?= htmlspecialchars($ldap_filter) ?>">
329 
						</dd>
330 
					</dl>
331 
					<dl>
332 
						<dt>
333 
							<label for="ldap_base_filter"><?= $l_ldap_base_filter_label ?></label><br>
334 
							<?= $l_ldap_base_filter_text ?>
335 
						</dt>
336 
						<dd>
337 
							<input id="ldap_base_filter" size="40" name="ldap_base_filter" value="<?= htmlspecialchars($ldap_base_filter) ?>">
338 
						</dd>
339 
					</dl>
340 
					<dl>
341 
						<dt>
342 
							<label for="ldap_user"><?= $l_ldap_user_label ?></label><br>
343 
							<?= $l_ldap_user_text ?>
344 
						</dt>
345 
						<dd>
346 
							<input id="ldap_user" size="40" name="ldap_user" value="<?= htmlspecialchars($ldap_identity) ?>">
347 
						</dd>
348 
					</dl>
349 
					<dl>
350 
						<dt>
351 
							<label for="ldap_password"><?= $l_ldap_password_label ?></label><br>
352 
							<?= $l_ldap_password_text ?>
353 
						</dt>
354 
						<dd>
355 
							<input id="ldap_password" type="password" size="40" name="ldap_password" value="<?= htmlspecialchars($ldap_password) ?>">
356 
						</dd>
357 
					</dl>
358 
					<p>
359 
						<input id="submit" type="submit" value="<?= $l_ldap_submit ?>" name="submit">
360 
						<input id="reset" type="reset" value="<?= $l_ldap_reset ?>" name="reset">
361 
					</p>
362 
				</fieldset>
363 
			</form>
364 
		</div>
365 
	</div>
318 richard 366 
</body>
367 
</html>