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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>