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FIX XSS using the renaming of .noexe files - reported by Nolan.

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This commit is contained in:
Laurent Destailleur 2020-05-27 13:12:18 +02:00
parent e02aa4e41b
commit a207365bd2
7 changed files with 63 additions and 40 deletions
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3
htdocs/core/class/html.formfile.class.php
View File

@ -1269,7 +1269,8 @@ class FormFile
}
else
{
print dol_trunc($file['name'], 200);
$filenametoshow = preg_replace('/\.noexe$/', '', $file['name']);
print dol_trunc($filenametoshow, 200);
print '</a>';
}
// Preview link

27
htdocs/core/lib/files.lib.php
View File

@ -870,7 +870,7 @@ function dol_move($srcfile, $destfile, $newmask = 0, $overwriteifexists = 1, $te
{
$rel_filetorenamebefore = preg_replace('/^[\\/]/', '', $rel_filetorenamebefore);
$rel_filetorenameafter = preg_replace('/^[\\/]/', '', $rel_filetorenameafter);
//var_dump($rel_filetorenamebefore.' - '.$rel_filetorenameafter);
//var_dump($rel_filetorenamebefore.' - '.$rel_filetorenameafter);exit;
dol_syslog("Try to rename also entries in database for full relative path before = ".$rel_filetorenamebefore." after = ".$rel_filetorenameafter, LOG_DEBUG);
include_once DOL_DOCUMENT_ROOT.'/ecm/class/ecmfiles.class.php';
@ -893,6 +893,7 @@ function dol_move($srcfile, $destfile, $newmask = 0, $overwriteifexists = 1, $te
$ecmfile->filepath = $rel_dir;
$ecmfile->filename = $filename;
$resultecm = $ecmfile->update($user);
}
elseif ($resultecm == 0) // If no entry were found for src files, create/update target file
@ -995,7 +996,7 @@ function dolCheckVirus($src_file)
* @param integer $uploaderrorcode Value of PHP upload error code ($_FILES['field']['error'])
* @param int $nohook Disable all hooks
* @param string $varfiles _FILES var name
* @return int|string >0 if OK, <0 or string if KO
* @return int|string 1 if OK, 2 if OK and .noexe appended, <0 or string if KO
* @see dol_move()
*/
function dol_move_uploaded_file($src_file, $dest_file, $allowoverwrite, $disablevirusscan = 0, $uploaderrorcode = 0, $nohook = 0, $varfiles = 'addedfile')
@ -1005,6 +1006,7 @@ function dol_move_uploaded_file($src_file, $dest_file, $allowoverwrite, $disable
$reshook = 0;
$file_name = $dest_file;
$successcode = 1;
if (empty($nohook))
{
@ -1055,6 +1057,7 @@ function dol_move_uploaded_file($src_file, $dest_file, $allowoverwrite, $disable
if (isAFileWithExecutableContent($dest_file) && empty($conf->global->MAIN_DOCUMENT_IS_OUTSIDE_WEBROOT_SO_NOEXE_NOT_REQUIRED))
{
$file_name .= '.noexe';
$successcode = 2;
}
// Security:
@ -1109,7 +1112,7 @@ function dol_move_uploaded_file($src_file, $dest_file, $allowoverwrite, $disable
{
if (!empty($conf->global->MAIN_UMASK)) @chmod($file_name_osencoded, octdec($conf->global->MAIN_UMASK));
dol_syslog("Files.lib::dol_move_uploaded_file Success to move ".$src_file." to ".$file_name." - Umask=".$conf->global->MAIN_UMASK, LOG_DEBUG);
return 1; // Success
return $successcode; // Success
}
else
{
@ -1118,7 +1121,7 @@ function dol_move_uploaded_file($src_file, $dest_file, $allowoverwrite, $disable
}
}
return 1; // Success
return $successcode; // Success
}
/**
@ -1173,8 +1176,6 @@ function dol_delete_file($file, $disableglob = 0, $nophperrors = 0, $nohook = 0,
}
else
{
$error = 0;
//print "x".$file." ".$disableglob;exit;
$file_osencoded = dol_osencode($file); // New filename encoded in OS filesystem encoding charset
if (empty($disableglob) && !empty($file_osencoded))
@ -1197,10 +1198,11 @@ function dol_delete_file($file, $disableglob = 0, $nophperrors = 0, $nohook = 0,
$rel_filetodelete = preg_replace('/^'.preg_quote(DOL_DATA_ROOT, '/').'/', '', $filename);
if (!preg_match('/(\/temp\/|\/thumbs\/|\.meta$)/', $rel_filetodelete)) // If not a tmp file
{
$rel_filetodelete = preg_replace('/^[\\/]/', '', $rel_filetodelete);
if (is_object($db) && $indexdatabase) // $db may not be defined when lib is in a context with define('NOREQUIREDB',1)
{
$rel_filetodelete = preg_replace('/^[\\/]/', '', $rel_filetodelete);
$rel_filetodelete = preg_replace('/\.noexe$/', '', $rel_filetodelete);
dol_syslog("Try to remove also entries in database for full relative path = ".$rel_filetodelete, LOG_DEBUG);
include_once DOL_DOCUMENT_ROOT.'/ecm/class/ecmfiles.class.php';
$ecmfile = new EcmFiles($db);
@ -1564,6 +1566,7 @@ function dol_add_file_process($upload_dir, $allowoverwrite = 0, $donotupdatesess
$destfile = dol_string_nohtmltag($destfile);
$destfull = dol_string_nohtmltag($destfull);
// Move file from temp directory to final directory. A .noexe may also be appended on file name.
$resupload = dol_move_uploaded_file($TFile['tmp_name'][$i], $destfull, $allowoverwrite, 0, $TFile['error'][$i], 0, $varfiles);
if (is_numeric($resupload) && $resupload > 0) // $resupload can be 'ErrorFileAlreadyExists'
@ -1600,10 +1603,10 @@ function dol_add_file_process($upload_dir, $allowoverwrite = 0, $donotupdatesess
// Update table of files
if ($donotupdatesession == 1)
{
$result = addFileIntoDatabaseIndex($upload_dir, basename($destfile), $TFile['name'][$i], 'uploaded', 0);
$result = addFileIntoDatabaseIndex($upload_dir, basename($destfile).($resupload == 2 ? '.noexe' : ''), $TFile['name'][$i], 'uploaded', 0);
if ($result < 0)
{
setEventMessages('FailedToAddFileIntoDatabaseIndex', '', 'warnings');
setEventMessages('WarningFailedToAddFileIntoDatabaseIndex', '', 'warnings');
}
}
@ -1714,7 +1717,7 @@ function dol_remove_file_process($filenb, $donotupdatesession = 0, $donotdeletef
* See also commonGenerateDocument that also add/update database index when a file is generated.
*
* @param string $dir Directory name (full real path without ending /)
* @param string $file File name
* @param string $file File name (May end with '.noexe')
* @param string $fullpathorig Full path of origin for file (can be '')
* @param string $mode How file was created ('uploaded', 'generated', ...)
* @param int $setsharekey Set also the share key
@ -1730,7 +1733,7 @@ function addFileIntoDatabaseIndex($dir, $file, $fullpathorig = '', $mode = 'uplo
if (!preg_match('/[\\/]temp[\\/]|[\\/]thumbs|\.meta$/', $rel_dir)) // If not a tmp dir
{
$filename = basename($file);
$filename = basename(preg_replace('/\.noexe$/', '', $file));
$rel_dir = preg_replace('/[\\/]$/', '', $rel_dir);
$rel_dir = preg_replace('/^[\\/]/', '', $rel_dir);

4
htdocs/core/tpl/filemanager.tpl.php
View File

@ -178,7 +178,7 @@ if (empty($action) || $action == 'editfile' || $action == 'file_manager' || preg
print '</td></tr>';
}
else // Show filtree when ajax is disabled (rare)
else // Show file tree when ajax is disabled (rare)
{
print '<tr><td style="padding-left: 20px">';
@ -212,7 +212,7 @@ if (empty($action) || $action == 'editfile' || $action == 'file_manager' || preg
<div class="pane-in ecm-in-layout-center">
<div id="ecmfileview" class="ecmfileview">
<?php
// Start right panel
// Start right panel - List of content of a directory
$mode='noajax';

36
htdocs/ecm/class/ecmfiles.class.php
View File

@ -138,7 +138,7 @@ class EcmFiles extends CommonObject
$this->entity = trim($this->entity);
}
if (isset($this->filename)) {
$this->filename = trim($this->filename);
$this->filename = preg_replace('/\.noexe$/', '', trim($this->filename));
}
if (isset($this->filepath)) {
$this->filepath = trim($this->filepath);
@ -346,12 +346,13 @@ class EcmFiles extends CommonObject
$sql .= " t.src_object_id";
$sql .= ' FROM ' . MAIN_DB_PREFIX . $this->table_element . ' as t';
$sql.= ' WHERE 1 = 1';
/* Fetching this table depends on filepath+filename, it must not depends on entity
/* Fetching this table depends on filepath+filename, it must not depends on entity because filesystem on disk does not know what is Dolibarr entities
if (! empty($conf->multicompany->enabled)) {
$sql .= " AND entity IN (" . getEntity('ecmfiles') . ")";
}*/
if ($relativepath) {
$sql .= " AND t.filepath = '" . $this->db->escape(dirname($relativepath)) . "' AND t.filename = '".$this->db->escape(basename($relativepath))."'";
$relativepathwithnoexe = preg_replace('/\.noexe$/', '', $relativepath); // We must never have the .noexe into the database
$sql .= " AND t.filepath = '" . $this->db->escape(dirname($relativepath)) . "' AND t.filename = '".$this->db->escape(basename($relativepathwithnoexe))."'";
$sql .= " AND t.entity = ".$conf->entity; // unique key include the entity so each company has its own index
}
elseif (! empty($ref)) { // hash of file path
@ -552,46 +553,47 @@ class EcmFiles extends CommonObject
// Clean parameters
if (isset($this->ref)) {
$this->ref = trim($this->ref);
$this->ref = trim($this->ref);
}
if (isset($this->label)) {
$this->label = trim($this->label);
$this->label = trim($this->label);
}
if (isset($this->share)) {
$this->share = trim($this->share);
$this->share = trim($this->share);
}
if (isset($this->entity)) {
$this->entity = trim($this->entity);
$this->entity = trim($this->entity);
}
if (isset($this->filename)) {
$this->filename = trim($this->filename);
$this->filename = preg_replace('/\.noexe$/', '', trim($this->filename));
}
if (isset($this->filepath)) {
$this->filepath = trim($this->filepath);
$this->filepath = trim($this->filepath);
$this->filepath = preg_replace('/[\\/]+$/', '', $this->filepath); // Remove last /
}
if (isset($this->fullpath_orig)) {
$this->fullpath_orig = trim($this->fullpath_orig);
$this->fullpath_orig = trim($this->fullpath_orig);
}
if (isset($this->description)) {
$this->description = trim($this->description);
$this->description = trim($this->description);
}
if (isset($this->keywords)) {
$this->keywords = trim($this->keywords);
$this->keywords = trim($this->keywords);
}
if (isset($this->cover)) {
$this->cover = trim($this->cover);
$this->cover = trim($this->cover);
}
if (isset($this->gen_or_uploaded)) {
$this->gen_or_uploaded = trim($this->gen_or_uploaded);
$this->gen_or_uploaded = trim($this->gen_or_uploaded);
}
if (isset($this->extraparams)) {
$this->extraparams = trim($this->extraparams);
$this->extraparams = trim($this->extraparams);
}
if (isset($this->fk_user_m)) {
$this->fk_user_m = trim($this->fk_user_m);
$this->fk_user_m = trim($this->fk_user_m);
}
if (isset($this->acl)) {
$this->acl = trim($this->acl);
$this->acl = trim($this->acl);
}
if (isset($this->src_object_type)) {
$this->src_object_type = trim($this->src_object_type);

26
htdocs/ecm/file_card.php
View File

@ -139,6 +139,12 @@ if ($action == 'update')
$oldfile = $olddir.$oldlabel;
$newfile = $newdir.$newlabel;
$newfileformove = $newfile;
// If old file end with .noexe, new file must also end with .noexe
if (preg_match('/\.noexe$/', $oldfile) && ! preg_match('/\.noexe$/', $newfileformove)) {
$newfileformove .= '.noexe';
}
//var_dump($oldfile);var_dump($newfile);exit;
// Now we update index of file
$db->begin();
@ -146,7 +152,7 @@ if ($action == 'update')
//print $oldfile.' - '.$newfile;
if ($newlabel != $oldlabel)
{
$result = dol_move($oldfile, $newfile); // This include update of database
$result = dol_move($oldfile, $newfileformove); // This include update of database
if (!$result)
{
$langs->load('errors');
@ -190,7 +196,7 @@ if ($action == 'update')
$object->entity = $conf->entity;
$object->filepath = preg_replace('/[\\/]+$/', '', $newdirrelativetodocument);
$object->filename = $newlabel;
$object->label = md5_file(dol_osencode($newfile)); // hash of file content
$object->label = md5_file(dol_osencode($newfileformove)); // hash of file content
$object->fullpath_orig = '';
$object->gen_or_uploaded = 'unknown';
$object->description = ''; // indexed content
@ -208,6 +214,11 @@ if ($action == 'update')
$db->commit();
$urlfile = $newlabel;
// If old file end with .noexe, new file must also end with .noexe
if (preg_match('/\.noexe$/', $newfileformove)) {
$urlfile .= '.noexe';
}
header('Location: '.$_SERVER["PHP_SELF"].'?urlfile='.urlencode($urlfile).'&section='.urlencode($section));
exit;
}
@ -264,9 +275,13 @@ while ($tmpecmdir && $result > 0)
$i++;
}
$urlfiletoshow = preg_replace('/\.noexe$/', '', $urlfile);
$s = img_picto('', 'object_dir').' <a href="'.DOL_URL_ROOT.'/ecm/index.php">'.$langs->trans("ECMRoot").'</a> -> '.$s.' -> ';
if ($action == 'edit') $s .= '<input type="text" name="label" class="quatrevingtpercent" value="'.$urlfile.'">';
else $s .= $urlfile;
if ($action == 'edit') $s .= '<input type="text" name="label" class="quatrevingtpercent" value="'.$urlfiletoshow.'">';
else $s .= $urlfiletoshow;
$morehtml = '';
$object->ref = ''; // Force to hide ref
dol_banner_tab($object, '', $morehtml, 0, '', '', $s);
@ -289,10 +304,9 @@ print dol_print_size($totalsize);
print '</td></tr>';
*/
// Hash of file content
print '<tr><td>'.$langs->trans("HashOfFileContent").'</td><td>';
$object = new EcmFiles($db);
//$filenametosearch=basename($filepath);
//$filedirtosearch=basedir($filepath);
$object->fetch(0, '', $filepathtodocument);
if (!empty($object->label))
{

6
htdocs/ecm/index.php
View File

@ -124,15 +124,17 @@ if ($action == 'confirm_deletefile')
if (GETPOST('confirm') == 'yes')
{
// GETPOST('urlfile','alpha') is full relative URL from ecm root dir. Contains path of all sections.
//var_dump(GETPOST('urlfile'));exit;
$upload_dir = $conf->ecm->dir_output.($relativepath?'/'.$relativepath:'');
$file = $upload_dir . "/" . GETPOST('urlfile', 'alpha');
//var_dump($file);exit;
$ret=dol_delete_file($file); // This include also the delete from file index in database.
if ($ret)
{
setEventMessages($langs->trans("FileWasRemoved", GETPOST('urlfile', 'alpha')), null, 'mesgs');
$urlfiletoshow = GETPOST('urlfile', 'alpha');
$urlfiletoshow = preg_replace('/\.noexe$/', '', $urlfiletoshow);
setEventMessages($langs->trans("FileWasRemoved", $urlfiletoshow), null, 'mesgs');
$result=$ecmdir->changeNbOfFiles('-');
}
else

1
htdocs/langs/en_US/errors.lang
View File

@ -255,3 +255,4 @@ WarningNumberOfRecipientIsRestrictedInMassAction=Warning, number of different re
WarningDateOfLineMustBeInExpenseReportRange=Warning, the date of line is not in the range of the expense report
WarningProjectClosed=Project is closed. You must re-open it first.
WarningSomeBankTransactionByChequeWereRemovedAfter=Some bank transaction were removed after that the receipt including them were generated. So nb of cheques and total of receipt may differ from number and total in list.
WarningFailedToAddFileIntoDatabaseIndex=Warnin, failed to add file entry into ECM database index table