From 037af6890fe6fdb84a08d3c86083e847c90ec0ad Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 22 Oct 2013 08:17:26 -0400
Subject: [PATCH] Fix vulnerability in handling _session argument of utils/save-prefs (#1489382)

---
 program/steps/addressbook/mailto.inc |   71 ++++++++++++++++++++++++-----------
 1 files changed, 49 insertions(+), 22 deletions(-)

diff --git a/program/steps/addressbook/mailto.inc b/program/steps/addressbook/mailto.inc
index e4f2801..c3cbcad 100644
--- a/program/steps/addressbook/mailto.inc
+++ b/program/steps/addressbook/mailto.inc
@@ -6,7 +6,10 @@
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2007, The Roundcube Dev Team                            |
- | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
  |                                                                       |
  | PURPOSE:                                                              |
  |   Compose a recipient list with all selected contacts                 |
@@ -14,38 +17,62 @@
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  +-----------------------------------------------------------------------+
-
- $Id: copy.inc 471 2007-02-09 21:25:50Z thomasb $
-
 */
 
-$cid = get_input_value('_cid', RCUBE_INPUT_POST);
-$recipients = null;
+$cids   = rcmail_get_cids();
 $mailto = array();
+$recipients = null;
 
-if ($cid && preg_match('/^[a-z0-9\+\/=_-]+(,[a-z0-9\+\/=_-]+)*$/i', $cid) && $CONTACTS->ready)
+foreach ($cids as $source => $cid)
 {
-  $CONTACTS->set_page(1);
-  $CONTACTS->set_pagesize(substr_count($cid, ',')+2); // +2 to skip counting query
-  $recipients = $CONTACTS->search($CONTACTS->primary_key, $cid);
+    $CONTACTS = $RCMAIL->get_address_book($source);
 
-  while (is_object($recipients) && ($rec = $recipients->iterate())) {
-    $emails = $CONTACTS->get_col_values('email', $rec, true);
-    $mailto[] = format_email_recipient($emails[0], $rec['name']);
-  }
+    if ($CONTACTS->ready)
+    {
+        $CONTACTS->set_page(1);
+        $CONTACTS->set_pagesize(count($cid) + 2); // +2 to skip counting query
+        $recipients = $CONTACTS->search($CONTACTS->primary_key, $cid, 0, true, true, 'email');
+    }
+}
+
+if (!empty($_REQUEST['_gid']) && isset($_REQUEST['_source']))
+{
+    $source = get_input_value('_source', RCUBE_INPUT_GPC);
+    $CONTACTS = $RCMAIL->get_address_book($source);
+    
+    $group_id = get_input_value('_gid', RCUBE_INPUT_GPC);
+    $group_data = $CONTACTS->get_group($group_id);
+    
+    // group has an email address assigned: use that
+    if ($group_data['email']) {
+        $mailto[] = format_email_recipient($group_data['email'][0], $group_data['name']);
+    }
+    else if ($CONTACTS->ready) {
+        $CONTACTS->set_group($group_id);
+        $CONTACTS->set_page(1);
+        $CONTACTS->set_pagesize(200); // limit somehow
+        $recipients = $CONTACTS->list_records();
+    }
+}
+
+if ($recipients)
+{
+    while (is_object($recipients) && ($rec = $recipients->iterate())) {
+        $emails = $CONTACTS->get_col_values('email', $rec, true);
+        $mailto[] = format_email_recipient($emails[0], $rec['name']);
+    }
 }
 
 if (!empty($mailto))
 {
-  $mailto_str = join(', ', $mailto);
-  $mailto_id = substr(md5($mailto_str), 0, 16);
-  $_SESSION['mailto'][$mailto_id] = urlencode($mailto_str);
-  $OUTPUT->redirect(array('task' => 'mail', '_action' => 'compose', '_mailto' => $mailto_id));
+    $mailto_str = join(', ', $mailto);
+    $mailto_id = substr(md5($mailto_str), 0, 16);
+    $_SESSION['mailto'][$mailto_id] = urlencode($mailto_str);
+    $OUTPUT->command('open_compose_step', array('_mailto' => $mailto_id));
 }
-else
-  $OUTPUT->show_message('nocontactsfound', 'warning');
-
+else {
+    $OUTPUT->show_message('nocontactsfound', 'warning');
+}
 
 // send response
 $OUTPUT->send();
-

--
Gitblit v1.9.1