mirror of
https://github.com/Dolibarr/dolibarr.git
synced 2026-01-03 07:32:32 +01:00
New: add hook in dol_move_uploaded_file method and split function with
dol_check_uploaded_file method
This commit is contained in:
Regis Houssin
@@ -75,7 +75,7 @@ function dol_dir_list($path, $types="all", $recursive=0, $filter="", $excludefil
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$parameters=array(
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'path' => $newpath,
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'types'=> $types,
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'recursive' =>$recursive,
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'recursive' => $recursive,
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'filter' => $filter,
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'excludefilter' => $excludefilter,
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'sortcriteria' => $sortcriteria,
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@@ -553,6 +553,136 @@ function dol_unescapefile($filename)
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return trim(basename($filename), ".\x00..\x20");
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}
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/**
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* Move an uploaded file after some controls.
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* If there is errors (virus found, antivir in error, bad filename), file is not moved.
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*
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* @param string $src_file Source full path filename ($_FILES['field']['tmp_name'])
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* @param string $dest_file Target full path filename ($_FILES['field']['name'])
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* @param int $allowoverwrite 1=Overwrite target file if it already exists
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* @param int $disablevirusscan 1=Disable virus scan
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* @param string $uploaderrorcode Value of upload error code ($_FILES['field']['error'])
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* @param int $notrigger Disable all triggers
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* @param string $upload_dir Upload directory
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* @param array $upload_file Values of file uploaded $_FILES['field']
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* @return int >0 if OK, <0 or string if KO
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*/
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function dol_move_uploaded_file($src_file, $dest_file, $allowoverwrite, $disablevirusscan=0, $uploaderrorcode=0, $notrigger=0, $upload_dir='', $upload_file=null)
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{
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global $db, $hookmanager;
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global $object;
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$error=0;
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// Check uploaded file
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$dest_file=dolCheckUploadedFile($src_file, $dest_file, $disablevirusscan, $uploaderrorcode);
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if (is_array($dest_file) && isset($dest_file['error'])) return $dest_file['error'];
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if (! is_object($hookmanager))
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{
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if (! class_exists('HookManager')) {
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// Initialize technical object to manage hooks of thirdparties. Note that conf->hooks_modules contains array array
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require DOL_DOCUMENT_ROOT.'/core/class/hookmanager.class.php';
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$hookmanager=new HookManager($db);
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}
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}
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$hookmanager->initHooks(array('fileslib'));
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$parameters=array('upload_dir' => $upload_dir, 'upload_file' => $upload_file, 'allowoverwrite' => $allowoverwrite);
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$reshook=$hookmanager->executeHooks('dolMoveUploadedFile', $parameters, $object);
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if (empty($reshook)) {
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return dolMoveUploadedFile($src_file, $dest_file, $allowoverwrite, $notrigger);
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}
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}
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/**
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* Check an uploaded file.
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* If there is errors (virus found, antivir in error, bad filename), file is not moved.
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*
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* @param string $src_file Source full path filename ($_FILES['field']['tmp_name'])
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* @param string $dest_file Target full path filename ($_FILES['field']['name'])
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* @param int $disablevirusscan 1=Disable virus scan
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* @param string $uploaderrorcode Value of upload error code ($_FILES['field']['error'])
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* @return int >0 if OK, <0 or string if KO
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*/
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function dolCheckUploadedFile($src_file, $dest_file, $disablevirusscan=0, $uploaderrorcode=0)
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{
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global $conf;
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$file_name = $dest_file;
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// If an upload error has been reported
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if ($uploaderrorcode)
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{
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switch($uploaderrorcode)
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{
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case UPLOAD_ERR_INI_SIZE: // 1
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return array('error' => 'ErrorFileSizeTooLarge');
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break;
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case UPLOAD_ERR_FORM_SIZE: // 2
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return array('error' => 'ErrorFileSizeTooLarge');
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break;
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case UPLOAD_ERR_PARTIAL: // 3
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return array('error' => 'ErrorPartialFile');
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break;
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case UPLOAD_ERR_NO_TMP_DIR: //
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return array('error' => 'ErrorNoTmpDir');
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break;
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case UPLOAD_ERR_CANT_WRITE:
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return array('error' => 'ErrorFailedToWriteInDir');
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break;
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case UPLOAD_ERR_EXTENSION:
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return array('error' => 'ErrorUploadBlockedByAddon');
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break;
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default:
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break;
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}
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}
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// If we need to make a virus scan
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if (empty($disablevirusscan) && file_exists($src_file) && ! empty($conf->global->MAIN_ANTIVIRUS_COMMAND))
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{
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if (! class_exists('AntiVir')) {
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require DOL_DOCUMENT_ROOT.'/core/class/antivir.class.php';
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}
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$antivir=new AntiVir($db);
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$result = $antivir->dol_avscan_file($src_file);
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if ($result < 0) // If virus or error, we stop here
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{
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$reterrors=$antivir->errors;
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dol_syslog('Files.lib::dol_move_uploaded_file File "'.$src_file.'" (target name "'.$file_name.'") KO with antivirus: result='.$result.' errors='.join(',',$antivir->errors), LOG_WARNING);
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return array('error' => 'ErrorFileIsInfectedWithAVirus: '.join(',',$reterrors));
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}
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}
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// Security:
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// Disallow file with some extensions. We renamed them.
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// Car si on a mis le rep documents dans un rep de la racine web (pas bien), cela permet d'executer du code a la demande.
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if (preg_match('/\.htm|\.html|\.php|\.pl|\.cgi$/i',$file_name))
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{
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$file_name.= '.noexe';
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}
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// Security:
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// On interdit fichiers caches, remontees de repertoire ainsi que les pipes dans les noms de fichiers.
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if (preg_match('/^\./',$src_file) || preg_match('/\.\./',$src_file) || preg_match('/[<>|]/',$src_file))
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{
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dol_syslog("Refused to deliver file ".$src_file, LOG_WARNING);
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return array('error' => -1);
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}
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// Security:
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// On interdit fichiers caches, remontees de repertoire ainsi que les pipe dans
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// les noms de fichiers.
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if (preg_match('/^\./',$dest_file) || preg_match('/\.\./',$dest_file) || preg_match('/[<>|]/',$dest_file))
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{
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dol_syslog("Refused to deliver file ".$dest_file, LOG_WARNING);
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return array('error' => -2);
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}
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return $file_name;
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}
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/**
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* Move an uploaded file after some controls.
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* If there is errors (virus found, antivir in error, bad filename), file is not moved.
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@@ -560,89 +690,19 @@ function dol_unescapefile($filename)
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* @param string $src_file Source full path filename ($_FILES['field']['tmp_name'])
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* @param string $dest_file Target full path filename ($_FILES['field']['name'])
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* @param int $allowoverwrite 1=Overwrite target file if it already exists
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* @param int $disablevirusscan 1=Disable virus scan
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* @param string $uploaderrorcode Value of upload error code ($_FILES['field']['error'])
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* @param int $notrigger Disable all triggers
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* @return int >0 if OK, <0 or string if KO
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*/
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function dol_move_uploaded_file($src_file, $dest_file, $allowoverwrite, $disablevirusscan=0, $uploaderrorcode=0, $notrigger=0)
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function dolMoveUploadedFile($src_file, $dest_file, $allowoverwrite, $notrigger=0)
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{
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global $conf, $user, $langs, $db;
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global $object;
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$error=0;
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$file_name = $dest_file;
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// If an upload error has been reported
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if ($uploaderrorcode)
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{
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switch($uploaderrorcode)
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{
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case UPLOAD_ERR_INI_SIZE: // 1
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return 'ErrorFileSizeTooLarge';
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break;
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case UPLOAD_ERR_FORM_SIZE: // 2
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return 'ErrorFileSizeTooLarge';
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break;
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case UPLOAD_ERR_PARTIAL: // 3
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return 'ErrorPartialFile';
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break;
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case UPLOAD_ERR_NO_TMP_DIR: //
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return 'ErrorNoTmpDir';
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break;
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case UPLOAD_ERR_CANT_WRITE:
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return 'ErrorFailedToWriteInDir';
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break;
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case UPLOAD_ERR_EXTENSION:
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return 'ErrorUploadBlockedByAddon';
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break;
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default:
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break;
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}
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}
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// If we need to make a virus scan
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if (empty($disablevirusscan) && file_exists($src_file) && ! empty($conf->global->MAIN_ANTIVIRUS_COMMAND))
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{
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require_once DOL_DOCUMENT_ROOT.'/core/class/antivir.class.php';
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$antivir=new AntiVir($db);
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$result = $antivir->dol_avscan_file($src_file);
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if ($result < 0) // If virus or error, we stop here
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{
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$reterrors=$antivir->errors;
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dol_syslog('Files.lib::dol_move_uploaded_file File "'.$src_file.'" (target name "'.$file_name.'") KO with antivirus: result='.$result.' errors='.join(',',$antivir->errors), LOG_WARNING);
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return 'ErrorFileIsInfectedWithAVirus: '.join(',',$reterrors);
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}
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}
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// Security:
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// Disallow file with some extensions. We renamed them.
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// Car si on a mis le rep documents dans un rep de la racine web (pas bien), cela permet d'executer du code a la demande.
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if (preg_match('/\.htm|\.html|\.php|\.pl|\.cgi$/i',$file_name))
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{
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$file_name.= '.noexe';
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}
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// Security:
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// On interdit fichiers caches, remontees de repertoire ainsi que les pipes dans les noms de fichiers.
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if (preg_match('/^\./',$src_file) || preg_match('/\.\./',$src_file) || preg_match('/[<>|]/',$src_file))
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{
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dol_syslog("Refused to deliver file ".$src_file, LOG_WARNING);
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return -1;
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}
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// Security:
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// On interdit fichiers caches, remontees de repertoire ainsi que les pipe dans
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// les noms de fichiers.
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if (preg_match('/^\./',$dest_file) || preg_match('/\.\./',$dest_file) || preg_match('/[<>|]/',$dest_file))
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{
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dol_syslog("Refused to deliver file ".$dest_file, LOG_WARNING);
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return -2;
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}
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// The file functions must be in OS filesystem encoding.
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$src_file_osencoded=dol_osencode($src_file);
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$file_name_osencoded=dol_osencode($file_name);
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$file_name_osencoded=dol_osencode($dest_file);
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// Check if destination dir is writable
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// TODO
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@@ -973,11 +1033,11 @@ function dol_add_file_process($upload_dir,$allowoverwrite=0,$donotupdatesession=
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{
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global $db,$user,$conf,$langs,$_FILES;
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if (! empty($_FILES[$varfiles]['tmp_name']))
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if (! empty($_FILES[$varfiles])) // For view $_FILES[$varfiles]['error']
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{
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if (dol_mkdir($upload_dir) >= 0)
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{
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$resupload = dol_move_uploaded_file($_FILES[$varfiles]['tmp_name'], $upload_dir . "/" . $_FILES[$varfiles]['name'],$allowoverwrite,0, $_FILES[$varfiles]['error']);
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$resupload = dol_move_uploaded_file($_FILES[$varfiles]['tmp_name'], $upload_dir . "/" . $_FILES[$varfiles]['name'], $allowoverwrite, 0, $_FILES[$varfiles]['error'], 0, $upload_dir, $_FILES[$varfiles]);
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if (is_numeric($resupload) && $resupload > 0)
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{
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if (empty($donotupdatesession))
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