From a3b85d7b8560cdc1057fcaffa3acbd247b4b5b7a Mon Sep 17 00:00:00 2001
From: Thomas B. <thomas@roundcube.net>
Date: Mon, 07 Oct 2013 13:19:03 -0400
Subject: [PATCH] Merge pull request #133 from cwickert/release-0.9-canned-responses

---
 plugins/managesieve/managesieve.php |   88 ++++++++++++++++++++++++++++++++++---------
 1 files changed, 69 insertions(+), 19 deletions(-)

diff --git a/plugins/managesieve/managesieve.php b/plugins/managesieve/managesieve.php
index ccfc950..80face7 100644
--- a/plugins/managesieve/managesieve.php
+++ b/plugins/managesieve/managesieve.php
@@ -7,13 +7,13 @@
  * It's clickable interface which operates on text scripts and communicates
  * with server using managesieve protocol. Adds Filters tab in Settings.
  *
- * @version 5.0
+ * @version @package_version@
  * @author Aleksander Machniak <alec@alec.pl>
  *
  * Configuration (see config.inc.php.dist)
  *
- * Copyright (C) 2008-2011, The Roundcube Dev Team
- * Copyright (C) 2011, Kolab Systems AG
+ * Copyright (C) 2008-2012, The Roundcube Dev Team
+ * Copyright (C) 2011-2012, Kolab Systems AG
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2
@@ -62,8 +62,9 @@
         "x-beenthere",
     );
 
-    const VERSION = '5.2';
+    const VERSION  = '6.2';
     const PROGNAME = 'Roundcube (Managesieve)';
+    const PORT     = 4190;
 
 
     function init()
@@ -199,18 +200,33 @@
         $include_path .= ini_get('include_path');
         set_include_path($include_path);
 
-        $host = rcube_parse_host($this->rc->config->get('managesieve_host', 'localhost'));
-        $port = $this->rc->config->get('managesieve_port', 2000);
+        // Get connection parameters
+        $host = $this->rc->config->get('managesieve_host', 'localhost');
+        $port = $this->rc->config->get('managesieve_port');
+        $tls  = $this->rc->config->get('managesieve_usetls', false);
 
+        $host = rcube_parse_host($host);
         $host = rcube_idn_to_ascii($host);
+
+        // remove tls:// prefix, set TLS flag
+        if (($host = preg_replace('|^tls://|i', '', $host, 1, $cnt)) && $cnt) {
+            $tls = true;
+        }
+
+        if (empty($port)) {
+            $port = getservbyname('sieve', 'tcp');
+            if (empty($port)) {
+                $port = self::PORT;
+            }
+        }
 
         $plugin = $this->rc->plugins->exec_hook('managesieve_connect', array(
             'user'      => $_SESSION['username'],
             'password'  => $this->rc->decrypt($_SESSION['password']),
             'host'      => $host,
             'port'      => $port,
+            'usetls'    => $tls,
             'auth_type' => $this->rc->config->get('managesieve_auth_type'),
-            'usetls'    => $this->rc->config->get('managesieve_usetls', false),
             'disabled'  => $this->rc->config->get('managesieve_disabled_extensions'),
             'debug'     => $this->rc->config->get('managesieve_debug', false),
             'auth_cid'  => $this->rc->config->get('managesieve_auth_cid'),
@@ -523,9 +539,37 @@
         // Init plugin and handle managesieve connection
         $error = $this->managesieve_start();
 
-        // filters set add action
-        if (!empty($_POST['_newset'])) {
+        // get request size limits (#1488648)
+        $max_post = max(array(
+            ini_get('max_input_vars'),
+            ini_get('suhosin.request.max_vars'),
+            ini_get('suhosin.post.max_vars'),
+        ));
+        $max_depth = max(array(
+            ini_get('suhosin.request.max_array_depth'),
+            ini_get('suhosin.post.max_array_depth'),
+        ));
 
+        // check request size limit
+        if ($max_post && count($_POST, COUNT_RECURSIVE) >= $max_post) {
+            rcube::raise_error(array(
+                'code' => 500, 'type' => 'php',
+                'file' => __FILE__, 'line' => __LINE__,
+                'message' => "Request size limit exceeded (one of max_input_vars/suhosin.request.max_vars/suhosin.post.max_vars)"
+                ), true, false);
+            $this->rc->output->show_message('managesieve.filtersaveerror', 'error');
+        }
+        // check request depth limits
+        else if ($max_depth && count($_POST['_header']) > $max_depth) {
+            rcube::raise_error(array(
+                'code' => 500, 'type' => 'php',
+                'file' => __FILE__, 'line' => __LINE__,
+                'message' => "Request size limit exceeded (one of suhosin.request.max_array_depth/suhosin.post.max_array_depth)"
+                ), true, false);
+            $this->rc->output->show_message('managesieve.filtersaveerror', 'error');
+        }
+        // filters set add action
+        else if (!empty($_POST['_newset'])) {
             $name       = get_input_value('_name', RCUBE_INPUT_POST, true);
             $copy       = get_input_value('_copy', RCUBE_INPUT_POST, true);
             $from       = get_input_value('_from', RCUBE_INPUT_POST);
@@ -791,7 +835,7 @@
 
                 case 'fileinto':
                 case 'fileinto_copy':
-                    $mailbox = $this->strip_value($mailboxes[$idx]);
+                    $mailbox = $this->strip_value($mailboxes[$idx], false, false);
                     $this->form['actions'][$i]['target'] = $this->mod_mailbox($mailbox, 'in');
                     if ($type == 'fileinto_copy') {
                         $type = 'fileinto';
@@ -923,7 +967,7 @@
                         $this->rc->output->command('parent.managesieve_updatelist',
                             isset($new) ? 'add' : 'update',
                             array(
-                                'name' => Q($this->form['name']),
+                                'name' => $this->form['name'],
                                 'id' => $fid,
                                 'disabled' => $this->form['disabled']
                         ));
@@ -1005,7 +1049,7 @@
                 foreach ($list as $idx => $set) {
                     $scripts['S'.$idx] = $set;
                     $result[] = array(
-                        'name' => Q($set),
+                        'name' => $set,
                         'id' => 'S'.$idx,
                         'class' => !in_array($set, $this->active) ? 'disabled' : '',
                     );
@@ -1050,7 +1094,7 @@
         $this->rc->output->set_env('blankpage', $attrib['src'] ?
         $this->rc->output->abs_url($attrib['src']) : 'program/resources/blank.gif');
 
-        return html::tag('iframe', $attrib);
+        return $this->rc->output->frame($attrib);
     }
 
     function filterset_form($attrib)
@@ -1664,16 +1708,16 @@
 
     private function genid()
     {
-        $result = preg_replace('/[^0-9]/', '', microtime(true));
-        return $result;
+        return preg_replace('/[^0-9]/', '', microtime(true));
     }
 
-    private function strip_value($str, $allow_html=false)
+    private function strip_value($str, $allow_html = false, $trim = true)
     {
-        if (!$allow_html)
+        if (!$allow_html) {
             $str = strip_tags($str);
+        }
 
-        return trim($str);
+        return $trim ? trim($str) : $str;
     }
 
     private function error_class($id, $type, $target, $elem_prefix='')
@@ -1803,6 +1847,12 @@
             // Get active script name
             if ($active = $this->sieve->get_active()) {
                 $this->active = array($active);
+            }
+
+            // Hide scripts from config
+            $exceptions = $this->rc->config->get('managesieve_filename_exceptions');
+            if (!empty($exceptions)) {
+                $this->list = array_diff($this->list, (array)$exceptions);
             }
         }
 
@@ -1989,7 +2039,7 @@
             $fname = $filter['name'] ? $filter['name'] : "#$i";
             $result[] = array(
                 'id'    => $idx,
-                'name'  => Q($fname),
+                'name'  => $fname,
                 'class' => $filter['disabled'] ? 'disabled' : '',
             );
             $i++;

--
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