postfix: catchall addrs work with address extensions

Author: jnorell

install/lib/installer_base.lib.php

@@ -774,13 +774,23 @@ public function process_postfix_config($configfile) {
 			chmod($config_dir.$configfile.'~',0600);
 		}
 
+		exec('postconf -h recipient_delimiter 2>/dev/null', $out);
+		if (strlen($out[0]) > 0) {
+			$recipient_delimiter = $this->db->escape( str_replace('%', '%%', $out[0]) );
+			$addr_no_extension = "CONCAT(SUBSTRING_INDEX('%u', '${recipient_delimiter}', 1), '@%d')";
+		} else {
+			$addr_no_extension = "'%s'";
+		}
+		unset($out);
+
 		//* Replace variables in config file template
 		$content = rfsel($conf['ispconfig_install_dir'].'/server/conf-custom/install/'.$configfile.'.master', 'tpl/'.$configfile.'.master');
 		$content = str_replace('{mysql_server_ispconfig_user}', $conf['mysql']['ispconfig_user'], $content);
 		$content = str_replace('{mysql_server_ispconfig_password}', $conf['mysql']['ispconfig_password'], $content);
 		$content = str_replace('{mysql_server_database}', $conf['mysql']['database'], $content);
 		$content = str_replace('{mysql_server_ip}', $conf['mysql']['ip'], $content);
 		$content = str_replace('{server_id}', $conf['server_id'], $content);
+		$content = str_replace('{address_without_extension}', $addr_no_extension, $content);
 		wf($full_file_name, $content);
 
 		//* Changing mode and group of the new created config file

install/tpl/mysql-virtual_forwardings.cf.master

@@ -3,9 +3,9 @@ password = {mysql_server_ispconfig_password}
 dbname = {mysql_server_database}
 hosts = {mysql_server_ip}
 query = SELECT s.destination AS target FROM mail_forwarding AS s
-            WHERE s.source = '%s' AND s.type IN ('alias', 'forward') AND s.active = 'y' AND s.server_id = {server_id}
+            WHERE (s.source = '%s' OR s.source = {address_without_extension}) AND s.type IN ('alias', 'forward') AND s.active = 'y' AND s.server_id = {server_id}
         UNION
         SELECT s.destination AS target FROM mail_forwarding AS s
             WHERE s.source = '@%d' AND s.type = 'catchall' AND s.active = 'y' AND s.server_id = {server_id}
-            AND NOT EXISTS (SELECT email FROM mail_user WHERE email = '%s' AND server_id = {server_id})
-            AND NOT EXISTS (SELECT source FROM mail_forwarding WHERE source = '%s' AND active = 'y' AND server_id = {server_id})
+            AND NOT EXISTS (SELECT email FROM mail_user WHERE (email = '%s' OR email = {address_without_extension}) AND server_id = {server_id})
+            AND NOT EXISTS (SELECT source FROM mail_forwarding WHERE (source = '%s' OR source = {address_without_extension}) AND active = 'y' AND server_id = {server_id})