From 85e8988f685fa12327d6970cba2c1a5b7acf6a5d Mon Sep 17 00:00:00 2001
From: Marcello Coutinho <marcellocoutinho@gmail.com>
Date: Thu, 15 Mar 2012 18:46:09 -0300
Subject: dansguardian - version 0.1.5 with fixes and ldap group based
 authentication

---
 config/dansguardian/dansguardian_ldap.php | 148 ++++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 config/dansguardian/dansguardian_ldap.php

(limited to 'config/dansguardian/dansguardian_ldap.php')

diff --git a/config/dansguardian/dansguardian_ldap.php b/config/dansguardian/dansguardian_ldap.php
new file mode 100644
index 00000000..79a6b21a
--- /dev/null
+++ b/config/dansguardian/dansguardian_ldap.php
@@ -0,0 +1,148 @@
+#!/usr/local/bin/php -f 
+<?php
+
+// based on http://samjlevy.com/2011/02/using-php-and-ldap-to-list-of-members-of-an-active-directory-group/
+// pfsense integration by marcelloc and ccesario
+/* $Id$ */
+/* ========================================================================== */
+/*
+    dansguardian_ldap.php
+    part of pfSense (http://www.pfSense.com)
+    Copyright (C) 2012 Marcello Coutinho
+    
+    All rights reserved.                                                      
+*/
+/* ========================================================================== */
+/*
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+     1. Redistributions of source code must retain the above copyright notice,
+        this list of conditions and the following disclaimer.
+
+     2. Redistributions in binary form must reproduce the above copyright
+        notice, this list of conditions and the following disclaimer in the
+        documentation and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+    AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+    AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+                                                                              */
+/* ========================================================================== */
+
+require_once("/etc/inc/util.inc");
+require_once("/etc/inc/functions.inc");
+require_once("/etc/inc/pkg-utils.inc");
+require_once("/etc/inc/globals.inc");
+
+function explode_dn($dn, $with_attributes=0)
+{
+    $result = ldap_explode_dn($dn, $with_attributes);
+    if (is_array($result))
+      foreach($result as $key => $value) {
+         $result[$key] = $value;
+     }
+    return $result;
+}
+
+function get_ldap_members($group,$user,$password) {
+	global $ldap_host;
+	global $ldap_dn;
+	$LDAPFieldsToFind = array("member");
+	$ldap = ldap_connect($ldap_host) or die("Could not connect to LDAP");
+
+	// OPTIONS TO AD
+	ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION,3);
+	ldap_set_option($ldap, LDAP_OPT_REFERRALS,0);
+
+	ldap_bind($ldap, $user, $password) or die("Could not bind to LDAP");
+
+	$results = ldap_search($ldap,$ldap_dn,"cn=" . $group,$LDAPFieldsToFind);
+	
+	$member_list = ldap_get_entries($ldap, $results);
+	$group_member_details = array();
+	if (is_array($member_list[0]))
+	  foreach($member_list[0] as $list)
+		if (is_array($list)) 
+			foreach($list as $member) {
+				$member_dn = explode_dn($member);
+				$member_cn = str_replace("CN=","",$member_dn[0]);
+				$member_search = ldap_search($ldap, $ldap_dn, "(CN=" . $member_cn . ")");
+				$member_details = ldap_get_entries($ldap, $member_search);
+				$group_member_details[] = array($member_details[0]['samaccountname'][0],
+												$member_details[0]['displayname'][0]);
+			}
+	ldap_close($ldap);
+	array_shift($group_member_details);
+	return $group_member_details;
+	ldap_unbind($ldap);
+}
+
+// Read Pfsense config 
+global $config,$g;
+
+#mount filesystem writable
+conf_mount_rw();
+
+$id=0;
+$apply_config=0;
+if (is_array($config['installedpackages']['dansguardiangroups']['config']))
+	foreach($config['installedpackages']['dansguardiangroups']['config'] as $group) {
+		#ignore default group
+		if ($id > 1)
+			if ($argv[1] == "" || $argv[1] == $group['name']){
+	   		$members="";
+	   		$ldap_servers= explode (',',$group['ldap']);
+	   		echo  "Group : " . $group['name']."\n";
+	   		if (is_array($config['installedpackages']['dansguardianldap']['config']))
+	   			foreach ($config['installedpackages']['dansguardianldap']['config'] as $server){
+		   			if (in_array($server['dc'],$ldap_servers)){
+		   				$ldap_dn = $server['dn'];
+		   				$ldap_host=$server['dc'];
+				   		$result = get_ldap_members($group['name'],$server['username'].','.$server['dn'],$server['password']);
+		   				foreach($result as $key => $value) {
+			    			if (preg_match ("/\w+/",$value[0])){
+			    				#var_dump($value);
+			    				$name= preg_replace('/[^(\x20-\x7F)]*/','', $value[1]);
+			    				$pattern[0]="/USER/";
+			    				$pattern[1]="/,/";
+			    				$pattern[2]="/NAME/";
+			    				$replace[0]=$value[0];
+			    				$replace[1]="\n";
+			    				$replace[2]="$name";
+		    	  				$members .= preg_replace($pattern,$replace,$server['mask'])."\n";
+			    				}
+		   					}
+		   			}
+	   			}
+		   	if (!empty($members)){
+		   	$import_users = explode("\n", $members);
+			asort($import_users);
+			$members=base64_encode(implode("\n", $import_users));
+		   	if($config['installedpackages']['dansguardianusers']['config'][0][strtolower($group['name'])] != $members){
+		   		$config['installedpackages']['dansguardianusers']['config'][0][strtolower($group['name'])] = $members;
+		   		$apply_config++;
+		   		}
+		   	}
+			}
+		$id++;			
+	}
+if ($apply_config > 0){
+	print "user list from LDAP is different from current group, applying new configuration...";
+	write_config();
+	include("/usr/local/pkg/dansguardian.inc");
+	sync_package_dansguardian();
+	print "done\n";
+}
+
+#mount filesystem read-only
+conf_mount_ro();
+
+?>
\ No newline at end of file
-- 
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