From 197203727417a03d87053a47e5aa5175a76e3e0b Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Thu, 17 Oct 2013 04:24:53 -0400
Subject: [PATCH] Fix vulnerability in handling _session argument of utils/save-prefs (#1489382)
---
program/include/rcube_ldap.php | 275 +++++++++++++++++++++++++++++++++++-------------------
1 files changed, 176 insertions(+), 99 deletions(-)
diff --git a/program/include/rcube_ldap.php b/program/include/rcube_ldap.php
index bf3ec4a..14c59dd 100644
--- a/program/include/rcube_ldap.php
+++ b/program/include/rcube_ldap.php
@@ -35,8 +35,6 @@
public $readonly = true;
public $ready = false;
public $group_id = 0;
- public $list_page = 1;
- public $page_size = 10;
public $coltypes = array();
/** private properties */
@@ -47,7 +45,6 @@
protected $filter = '';
protected $result = null;
protected $ldap_result = null;
- protected $sort_col = '';
protected $mail_domain = '';
protected $debug = false;
@@ -103,24 +100,53 @@
}
// use fieldmap to advertise supported coltypes to the application
- foreach ($this->fieldmap as $col => $lf) {
- list($col, $type) = explode(':', $col);
+ foreach ($this->fieldmap as $colv => $lfv) {
+ list($col, $type) = explode(':', $colv);
+ list($lf, $limit, $delim) = explode(':', $lfv);
+
+ if ($limit == '*') $limit = null;
+ else $limit = max(1, intval($limit));
+
if (!is_array($this->coltypes[$col])) {
$subtypes = $type ? array($type) : null;
- $this->coltypes[$col] = array('limit' => 2, 'subtypes' => $subtypes);
+ $this->coltypes[$col] = array('limit' => $limit, 'subtypes' => $subtypes, 'attributes' => array($lf));
}
elseif ($type) {
$this->coltypes[$col]['subtypes'][] = $type;
- $this->coltypes[$col]['limit']++;
+ $this->coltypes[$col]['attributes'][] = $lf;
+ $this->coltypes[$col]['limit'] += $limit;
}
- if ($type && !$this->fieldmap[$col])
- $this->fieldmap[$col] = $lf;
+
+ if ($delim)
+ $this->coltypes[$col]['serialized'][$type] = $delim;
+
+ $this->fieldmap[$colv] = $lf;
}
- if ($this->fieldmap['street'] && $this->fieldmap['locality'])
- $this->coltypes['address'] = array('limit' => 1);
- else if ($this->coltypes['address'])
- $this->coltypes['address'] = array('type' => 'textarea', 'childs' => null, 'limit' => 1, 'size' => 40);
+ if ($this->coltypes['street'] && $this->coltypes['locality']) {
+ $this->coltypes['address'] = array(
+ 'limit' => max(1, $this->coltypes['locality']['limit'] + $this->coltypes['address']['limit']),
+ 'subtypes' => array_merge((array)$this->coltypes['address']['subtypes'], $this->coltypes['locality']['subtypes']),
+ 'childs' => array(),
+ ) + (array)$this->coltypes['address'];
+
+ foreach (array('street','locality','zipcode','region','country') as $childcol) {
+ if ($this->coltypes[$childcol]) {
+ $this->coltypes['address']['childs'][$childcol] = array('type' => 'text');
+ unset($this->coltypes[$childcol]); // remove address child col from global coltypes list
+ }
+ }
+ }
+ else if ($this->coltypes['address']) {
+ $this->coltypes['address'] += array('type' => 'textarea', 'childs' => null, 'size' => 40);
+
+ // 'serialized' means the UI has to present a composite address field
+ if ($this->coltypes['address']['serialized']) {
+ $childprop = array('type' => 'text');
+ $this->coltypes['address']['type'] = 'composite';
+ $this->coltypes['address']['childs'] = array('street' => $childprop, 'locality' => $childprop, 'zipcode' => $childprop, 'country' => $childprop);
+ }
+ }
// make sure 'required_fields' is an array
if (!is_array($this->prop['required_fields']))
@@ -228,6 +254,10 @@
$replaces = array('%dn' => '', '%dc' => $dc, '%d' => $d, '%fu' => $fu, '%u' => $u);
if ($this->prop['search_base_dn'] && $this->prop['search_filter']) {
+ if (!empty($this->prop['search_bind_dn']) && !empty($this->prop['search_bind_pw'])) {
+ $this->bind($this->prop['search_bind_dn'], $this->prop['search_bind_pw']);
+ }
+
// Search for the dn to use to authenticate
$this->prop['search_base_dn'] = strtr($this->prop['search_base_dn'], $replaces);
$this->prop['search_filter'] = strtr($this->prop['search_filter'], $replaces);
@@ -402,24 +432,15 @@
/**
- * Set internal list page
+ * Set internal sort settings
*
- * @param number $page Page number to list
+ * @param string $sort_col Sort column
+ * @param string $sort_order Sort order
*/
- function set_page($page)
+ function set_sort_order($sort_col, $sort_order = null)
{
- $this->list_page = (int)$page;
- }
-
-
- /**
- * Set internal page size
- *
- * @param number $size Number of messages to display on one page
- */
- function set_pagesize($size)
- {
- $this->page_size = (int)$size;
+ if ($this->coltypes[$sort_col]['attributes'])
+ $this->sort_col = $this->coltypes[$sort_col]['attributes'][0];
}
@@ -607,6 +628,9 @@
for ($i=0; $i < $entry[$attr]['count']; $i++)
{
+ if (empty($entry[$attr][$i]))
+ continue;
+
$result = @ldap_read($this->conn, $entry[$attr][$i], '(objectclass=*)',
$attrib, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit']);
@@ -651,14 +675,11 @@
$attrib = $count ? array('dn') : array_values($this->fieldmap);
if ($result = @$func($this->conn, $m[1], $filter,
- $attrib, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit']))
- {
+ $attrib, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit'])
+ ) {
$this->_debug("S: ".ldap_count_entries($this->conn, $result)." record(s) for ".$m[1]);
- if ($err = ldap_errno($this->conn))
- $this->_debug("S: Error: " .ldap_err2str($err));
}
- else
- {
+ else {
$this->_debug("S: ".ldap_error($this->conn));
return $group_members;
}
@@ -732,16 +753,16 @@
$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);
@@ -749,24 +770,26 @@
for ($i = 0; $i < $entries['count']; $i++) {
$rec = $this->_ldap2result($entries[$i]);
- foreach (array('email', 'name') as $f) {
- $val = mb_strtolower($rec[$f]);
- switch ($mode) {
- case 1:
- $got = ($val == $search);
- break;
- case 2:
- $got = ($search == substr($val, 0, strlen($search)));
- break;
- default:
- $got = (strpos($val, $search) !== false);
- break;
- }
+ foreach ($fields as $f) {
+ foreach ((array)$rec[$f] as $val) {
+ $val = mb_strtolower($val);
+ switch ($mode) {
+ case 1:
+ $got = ($val == $search);
+ break;
+ case 2:
+ $got = ($search == substr($val, 0, strlen($search)));
+ break;
+ default:
+ $got = (strpos($val, $search) !== false);
+ break;
+ }
- if ($got) {
- $this->result->add($rec);
- $this->result->count++;
- break;
+ if ($got) {
+ $this->result->add($rec);
+ $this->result->count++;
+ break 2;
+ }
}
}
}
@@ -805,8 +828,13 @@
{
foreach ((array)$fields as $idx => $field) {
$val = is_array($value) ? $value[$idx] : $value;
- if ($f = $this->_map_field($field)) {
- $filter .= "($f=$wp" . $this->_quote_string($val) . "$ws)";
+ if ($attrs = $this->_map_field($field)) {
+ if (count($attrs) > 1)
+ $filter .= '(|';
+ foreach ($attrs as $f)
+ $filter .= "($f=$wp" . $this->_quote_string($val) . "$ws)";
+ if (count($attrs) > 1)
+ $filter .= ')';
}
}
}
@@ -814,9 +842,16 @@
// add required (non empty) fields filter
$req_filter = '';
- foreach ((array)$required as $field)
- if ($f = $this->_map_field($field))
- $req_filter .= "($f=*)";
+ foreach ((array)$required as $field) {
+ if ($attrs = $this->_map_field($field)) {
+ if (count($attrs) > 1)
+ $req_filter .= '(|';
+ foreach ($attrs as $f)
+ $req_filter .= "($f=*)";
+ if (count($attrs) > 1)
+ $req_filter .= ')';
+ }
+ }
if (!empty($req_filter))
$filter = '(&' . $req_filter . $filter . ')';
@@ -1018,7 +1053,7 @@
$dn = self::dn_encode($dn);
// add new contact to the selected group
- if ($this->groups)
+ if ($this->group_id)
$this->add_to_group($this->group_id, $dn);
return $dn;
@@ -1043,39 +1078,33 @@
$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
@@ -1229,15 +1258,14 @@
// only fetch dn for count (should keep the payload low)
$attrs = $count ? array('dn') : array_values($this->fieldmap);
if ($this->ldap_result = @$function($this->conn, $this->base_dn, $filter,
- $attrs, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit']))
- {
- $this->_debug("S: ".ldap_count_entries($this->conn, $this->ldap_result)." record(s)");
- if ($err = ldap_errno($this->conn))
- $this->_debug("S: Error: " .ldap_err2str($err));
- return $count ? ldap_count_entries($this->conn, $this->ldap_result) : true;
+ $attrs, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit'])
+ ) {
+ $entries_count = ldap_count_entries($this->conn, $this->ldap_result);
+ $this->_debug("S: $entries_count record(s)");
+
+ return $count ? $entries_count : true;
}
- else
- {
+ else {
$this->_debug("S: ".ldap_error($this->conn));
}
}
@@ -1303,10 +1331,16 @@
for ($i=0; $i < $rec[$lf]['count']; $i++) {
if (!($value = $rec[$lf][$i]))
continue;
- if ($rf == 'email' && $this->mail_domain && !strpos($value, '@'))
+
+ list($col, $subtype) = explode(':', $rf);
+ $out['_raw_attrib'][$lf][$i] = $value;
+
+ if ($col == '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')))
- $out['address'][$i][$rf] = $value;
+ else if (in_array($col, array('street','zipcode','locality','country','region')))
+ $out['address'.($subtype?':':'').$subtype][$i][$col] = $value;
+ else if ($col == 'address' && strpos($value, '$') !== false) // address data is represented as string separated with $
+ list($out[$rf][$i]['street'], $out[$rf][$i]['locality'], $out[$rf][$i]['zipcode'], $out[$rf][$i]['country']) = explode('$', $value);
else if ($rec[$lf]['count'] > 1)
$out[$rf][] = $value;
else
@@ -1315,7 +1349,7 @@
// Make sure name fields aren't arrays (#1488108)
if (is_array($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];
}
}
@@ -1324,11 +1358,11 @@
/**
- * Return real field name (from fields map)
+ * Return LDAP attribute(s) for the given field
*/
private function _map_field($field)
{
- return $this->fieldmap[$field];
+ return (array)$this->coltypes[$field]['attributes'];
}
@@ -1337,9 +1371,43 @@
*/
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] = $value;
+ }
+ }
+ }
+ }
+
+ // if addresses are to be saved as serialized string, do so
+ if (is_array($colprop['serialized'])) {
+ foreach ($colprop['serialized'] as $subtype => $delim) {
+ $key = $col.':'.$subtype;
+ foreach ((array)$save_cols[$key] as $i => $val)
+ $save_cols[$key][$i] = join($delim, array($val['street'], $val['locality'], $val['zipcode'], $val['country']));
+ }
+ }
+ }
+
$ldap_data = array();
- foreach ($this->fieldmap as $col => $fld) {
- $val = $save_cols[$col];
+ foreach ($this->fieldmap as $rf => $fld) {
+ $val = $save_cols[$rf];
+
+ // check for value in base field (eg.g email instead of email:foo)
+ list($col, $subtype) = explode(':', $rf);
+ if (!$val && !empty($save_cols[$col])) {
+ $val = $save_cols[$col];
+ unset($save_cols[$col]); // only use this value once
+ }
+ else if (!$val && !$subtype) { // extract values from subtype cols
+ $val = $this->get_col_values($col, $save_cols, true);
+ }
+
if (is_array($val))
$val = array_filter($val); // remove empty entries
if ($fld && $val) {
@@ -1347,7 +1415,7 @@
$ldap_data[$fld] = $val;
}
}
-
+
return $ldap_data;
}
@@ -1355,17 +1423,21 @@
/**
* Returns unified attribute name (resolving aliases)
*/
- private static function _attr_name($name)
+ private static function _attr_name($namev)
{
// list of known attribute aliases
- $aliases = array(
+ static $aliases = array(
'gn' => 'givenname',
'rfc822mailbox' => 'email',
'userid' => 'uid',
'emailaddress' => 'email',
'pkcs9email' => 'email',
);
- return isset($aliases[$name]) ? $aliases[$name] : $name;
+
+ list($name, $limit) = explode(':', $namev, 2);
+ $suffix = $limit ? ':'.$limit : '';
+
+ return (isset($aliases[$name]) ? $aliases[$name] : $name) . $suffix;
}
@@ -1586,11 +1658,13 @@
$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));
@@ -1687,13 +1761,16 @@
if (($group_cache = $this->cache->get('groups')) === null)
$group_cache = $this->_fetch_groups();
+ if (!is_array($contact_ids))
+ $contact_ids = explode(',', $contact_ids);
+
$base_dn = $this->groups_base_dn;
$group_name = $group_cache[$group_id]['name'];
$member_attr = $group_cache[$group_id]['member_attr'];
$group_dn = "cn=$group_name,$base_dn";
$new_attrs = array();
- foreach (explode(",", $contact_ids) as $id)
+ foreach ($contact_ids as $id)
$new_attrs[$member_attr][] = self::dn_decode($id);
$this->_debug("C: Add [dn: $group_dn]: ".print_r($new_attrs, true));
--
Gitblit v1.9.1