Fix: Error when creating a group using posix class

htdocs/includes/triggers/interface_modLdap_Ldapsynchro.class.php

@@ -217,7 +217,11 @@ class InterfaceLdapsynchro
 
 				$info=$object->_load_ldap_info();
 				$dn=$object->_load_ldap_dn($info);
-
+				
+				// Get a gid number for objectclass PosixGroup
+				if(in_array('posixGroup',$info['objectclass']))
+					$info['gidNumber'] = $ldap->getNextGroupGid();
+				
 	    	    $result=$ldap->add($dn,$info,$user);
 				if ($result < 0)
 				{

htdocs/lib/ldap.class.php

@@ -1316,6 +1316,33 @@ class Ldap
 		if ($pagecodeto == 'UTF-8' && $conf->file->character_set_client == 'ISO-8859-1')	$str=utf8_encode($str);
 		return $str;
 	}
+	
+
+	/**
+	 *  \brief      Return available value of group GID 
+	 *  \param      
+	 *  \return     int         	gid number
+	 */	
+	function getNextGroupGid() {
+		global $conf;
+		$search='('.$conf->global->LDAP_KEY_GROUPS.'=*)';
+		$result = $this->search($this->groups,$search);
+		if($result) {
+			$c = $result['count'];
+		$gids = array();
+		for($i=0;$i<$c;$i++) 
+		{
+			$gids[] = $result[$i]['gidnumber'][0];	
+		}
+		rsort($gids);
+		
+		
+		return $gids[0]+1;	
+		}
+		
+		return 0;
+				
+	}
 }