From 0597586b89e86e8b4e22080d4c453475057b47b5 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Wed, 30 Nov 2011 06:35:43 -0500
Subject: [PATCH] - Applied fixes from trunk up to r5512
---
CHANGELOG | 2
plugins/archive/localization/fr_FR.inc | 2
program/include/rcube_ldap.php | 57 +++++++++++-------
program/steps/mail/func.inc | 4
program/steps/mail/show.inc | 2
program/steps/mail/get.inc | 59 ++++++++++++++++++-
program/include/rcube_message.php | 6 +-
program/lib/washtml.php | 2
8 files changed, 99 insertions(+), 35 deletions(-)
diff --git a/CHANGELOG b/CHANGELOG
index bec2a61..97adf7c 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,8 @@
CHANGELOG Roundcube Webmail
===========================
+- Fix handling of empty <U> tags in HTML messages (#1488225)
+- Add content filter for embedded attachments to protect from XSS on IE (#1487895)
- Use strpos() instead of strstr() when possible (#1488211)
- Fix handling HTML entities when converting HTML to text (#1488212)
- Fix fit_string_to_size() renders browser and ui unresponsive (#1488207)
diff --git a/plugins/archive/localization/fr_FR.inc b/plugins/archive/localization/fr_FR.inc
index f44f30f..498a091 100644
--- a/plugins/archive/localization/fr_FR.inc
+++ b/plugins/archive/localization/fr_FR.inc
@@ -2,7 +2,7 @@
$labels = array();
$labels['buttontitle'] = 'Archiver ce message';
-$labels['archived'] = 'Message archiv� avec success';
+$labels['archived'] = 'Message archivé avec success';
$labels['archivefolder'] = 'Archive';
?>
diff --git a/program/include/rcube_ldap.php b/program/include/rcube_ldap.php
index bf3ec4a..8014504 100644
--- a/program/include/rcube_ldap.php
+++ b/program/include/rcube_ldap.php
@@ -732,16 +732,16 @@
$function = $this->_scope2func($this->prop['scope']);
$this->ldap_result = @$function($this->conn, $this->base_dn, $this->filter ? $this->filter : '(objectclass=*)',
- array_values($this->fieldmap), 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit']);
+ array_values($this->fieldmap), 0, $this->page_size, (int)$this->prop['timelimit']);
$this->result = new rcube_result_set(0);
- if (!$this->ldap_result) {
+ if (!$this->ldap_result) {
$this->_debug("S: ".ldap_error($this->conn));
- return $this->result;
- }
+ return $this->result;
+ }
- $this->_debug("S: ".ldap_count_entries($this->conn, $this->ldap_result)." record(s)");
+ $this->_debug("S: ".ldap_count_entries($this->conn, $this->ldap_result)." record(s)");
// get all entries of this page and post-filter those that really match the query
$search = mb_strtolower($value);
@@ -1043,39 +1043,33 @@
$replacedata = array();
$deletedata = array();
- // flatten composite fields in $record
- if (is_array($record['address'])) {
- foreach ($record['address'] as $i => $struct) {
- foreach ($struct as $col => $val) {
- $record[$col][$i] = $val;
- }
- }
- }
+ $ldap_data = $this->_map_data($save_cols);
+ $old_data = $record['_raw_attrib'];
foreach ($this->fieldmap as $col => $fld) {
- $val = $save_cols[$col];
+ $val = $ldap_data[$fld];
if ($fld) {
// remove empty array values
if (is_array($val))
$val = array_filter($val);
// The field does exist compare it to the ldap record.
- if ($record[$col] != $val) {
+ if ($old_data[$fld] != $val) {
// Changed, but find out how.
- if (!isset($record[$col])) {
+ if (!isset($old_data[$fld])) {
// Field was not set prior, need to add it.
$newdata[$fld] = $val;
- } // end if
- elseif ($val == '') {
+ }
+ else if ($val == '') {
// Field supplied is empty, verify that it is not required.
if (!in_array($fld, $this->prop['required_fields'])) {
// It is not, safe to clear.
- $deletedata[$fld] = $record[$col];
- } // end if
+ $deletedata[$fld] = $old_data[$fld];
+ }
} // end elseif
else {
// The data was modified, save it out.
$replacedata[$fld] = $val;
- } // end else
+ }
} // end if
} // end if
} // end foreach
@@ -1303,6 +1297,9 @@
for ($i=0; $i < $rec[$lf]['count']; $i++) {
if (!($value = $rec[$lf][$i]))
continue;
+
+ $out['_raw_attrib'][$lf][$i] = $value;
+
if ($rf == 'email' && $this->mail_domain && !strpos($value, '@'))
$out[$rf][] = sprintf('%s@%s', $value, $this->mail_domain);
else if (in_array($rf, array('street','zipcode','locality','country','region')))
@@ -1315,7 +1312,7 @@
// Make sure name fields aren't arrays (#1488108)
if (is_array($out[$rf]) && in_array($rf, array('name', 'surname', 'firstname', 'middlename', 'nickname'))) {
- $out[$rf] = $out[$rf][0];
+ $out[$rf] = $out['_raw_attrib'][$lf] = $out[$rf][0];
}
}
@@ -1337,6 +1334,20 @@
*/
private function _map_data($save_cols)
{
+ // flatten composite fields first
+ foreach ($this->coltypes as $col => $colprop) {
+ if (is_array($colprop['childs']) && ($values = $this->get_col_values($col, $save_cols, false))) {
+ foreach ($values as $subtype => $childs) {
+ $subtype = $subtype ? ':'.$subtype : '';
+ foreach ($childs as $i => $child_values) {
+ foreach ((array)$child_values as $childcol => $value) {
+ $save_cols[$childcol.$subtype][$i] = $value;
+ }
+ }
+ }
+ }
+ }
+
$ldap_data = array();
foreach ($this->fieldmap as $col => $fld) {
$val = $save_cols[$col];
@@ -1586,11 +1597,13 @@
$base_dn = $this->groups_base_dn;
$new_dn = "cn=$group_name,$base_dn";
$new_gid = self::dn_encode($group_name);
+ $member_attr = $this->prop['groups']['member_attr'];
$name_attr = $this->prop['groups']['name_attr'];
$new_entry = array(
'objectClass' => $this->prop['groups']['object_classes'],
$name_attr => $group_name,
+ $member_attr => '',
);
$this->_debug("C: Add [dn: $new_dn]: ".print_r($new_entry, true));
diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
index 0ecd86c..633f59b 100644
--- a/program/include/rcube_message.php
+++ b/program/include/rcube_message.php
@@ -142,10 +142,10 @@
* @param string $mime_id Part MIME-ID
* @return string URL or false if part does not exist
*/
- public function get_part_url($mime_id)
+ public function get_part_url($mime_id, $embed = false)
{
if ($this->mime_parts[$mime_id])
- return $this->opt['get_url'] . '&_part=' . $mime_id;
+ return $this->opt['get_url'] . '&_part=' . $mime_id . ($embed ? '&_embed=1' : '');
else
return false;
}
@@ -511,7 +511,7 @@
$img_regexp = '/^image\/(gif|jpe?g|png|tiff|bmp|svg)/';
foreach ($this->inline_parts as $inline_object) {
- $part_url = $this->get_part_url($inline_object->mime_id);
+ $part_url = $this->get_part_url($inline_object->mime_id, true);
if ($inline_object->content_id)
$a_replaces['cid:'.$inline_object->content_id] = $part_url;
if ($inline_object->content_location) {
diff --git a/program/lib/washtml.php b/program/lib/washtml.php
index 9292aa1..9c8625f 100644
--- a/program/lib/washtml.php
+++ b/program/lib/washtml.php
@@ -108,7 +108,7 @@
/* Block elements which could be empty but cannot be returned in short form (<tag />) */
static $block_elements = array('div', 'p', 'pre', 'blockquote', 'a', 'font', 'center',
- 'table', 'ul', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ol', 'dl', 'strong', 'i', 'b');
+ 'table', 'ul', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ol', 'dl', 'strong', 'i', 'b', 'u');
/* State for linked objects in HTML */
public $extlinks = false;
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 8407b06..c070dad 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -550,7 +550,7 @@
* @param array CID map replaces (inline images)
* @return string Clean HTML
*/
-function rcmail_wash_html($html, $p = array(), $cid_replaces)
+function rcmail_wash_html($html, $p, $cid_replaces)
{
global $REMOTE_OBJECTS;
@@ -1052,7 +1052,7 @@
) {
$out .= html::tag('hr') . html::p(array('align' => "center"),
html::img(array(
- 'src' => $MESSAGE->get_part_url($attach_prop->mime_id),
+ 'src' => $MESSAGE->get_part_url($attach_prop->mime_id, true),
'title' => $attach_prop->filename,
'alt' => $attach_prop->filename,
)));
diff --git a/program/steps/mail/get.inc b/program/steps/mail/get.inc
index 828f8de..aee2c4d 100644
--- a/program/steps/mail/get.inc
+++ b/program/steps/mail/get.inc
@@ -134,11 +134,24 @@
header("Content-Disposition: $disposition; filename=\"$filename\"");
- // turn off output buffering and print part content
- if ($part->body)
- echo $part->body;
- else if ($part->size)
- $IMAP->get_message_part($MESSAGE->uid, $part->mime_id, $part, true);
+ // do content filtering to avoid XSS through fake images
+ if (!empty($_REQUEST['_embed']) && $browser->ie && $browser->ver <= 8) {
+ if ($part->body)
+ echo preg_match('/<(script|iframe|object)/i', $part->body) ? '' : $part->body;
+ else if ($part->size) {
+ $stdout = fopen('php://output', 'w');
+ stream_filter_register('rcube_content', 'rcube_content_filter') or die('Failed to register content filter');
+ stream_filter_append($stdout, 'rcube_content');
+ $IMAP->get_message_part($MESSAGE->uid, $part->mime_id, $part, false, $stdout);
+ }
+ }
+ else {
+ // turn off output buffering and print part content
+ if ($part->body)
+ echo $part->body;
+ else if ($part->size)
+ $IMAP->get_message_part($MESSAGE->uid, $part->mime_id, $part, true);
+ }
}
exit;
@@ -166,3 +179,39 @@
exit;
+
+/**
+ * PHP stream filter to detect html/javascript code in attachments
+ */
+class rcube_content_filter extends php_user_filter
+{
+ private $buffer = '';
+ private $cutoff = 2048;
+
+ function onCreate()
+ {
+ $this->cutoff = rand(2048, 3027);
+ return true;
+ }
+
+ function filter($in, $out, &$consumed, $closing)
+ {
+ while ($bucket = stream_bucket_make_writeable($in)) {
+ $this->buffer .= $bucket->data;
+
+ // check for evil content and abort
+ if (preg_match('/<(script|iframe|object)/i', $this->buffer))
+ return PSFS_ERR_FATAL;
+
+ // keep buffer small enough
+ if (strlen($this->buffer) > 4096)
+ $this->buffer = substr($this->buffer, $this->cutoff);
+
+ $consumed += $bucket->datalen;
+ stream_bucket_append($out, $bucket);
+ }
+
+ return PSFS_PASS_ON;
+ }
+}
+
diff --git a/program/steps/mail/show.inc b/program/steps/mail/show.inc
index 8976e86..d928cfd 100644
--- a/program/steps/mail/show.inc
+++ b/program/steps/mail/show.inc
@@ -132,7 +132,7 @@
$ol .= html::tag('li', null,
html::a(array(
- 'href' => $MESSAGE->get_part_url($attach_prop->mime_id),
+ 'href' => $MESSAGE->get_part_url($attach_prop->mime_id, false),
'onclick' => sprintf(
'return %s.command(\'load-attachment\',{part:\'%s\', mimetype:\'%s\'},this)',
JS_OBJECT_NAME,
--
Gitblit v1.9.1