Software: Apache/2.2.3 (CentOS). PHP/5.1.6 uname -a: Linux mx-ll-110-164-51-230.static.3bb.co.th 2.6.18-194.el5PAE #1 SMP Fri Apr 2 15:37:44 uid=48(apache) gid=48(apache) groups=48(apache) Safe-mode: OFF (not secure) /var/www/html/phpMyAdmin/libraries/ drwxr-xr-x | |
| Viewing file: Select action/file-type: setName($name); } } /** * destructor * * @see PMA_File::cleanUp() * @access public * @uses PMA_File::cleanUp() */ function __destruct() { $this->cleanUp(); } /** * deletes file if it is temporary, usally from a moved upload file * * @access public * @uses PMA_File::delet() * @uses PMA_File::isTemp() * @return boolean success */ function cleanUp() { if ($this->isTemp()) { return $this->delete(); } return true; } /** * deletes the file * * @access public * @uses PMA_File::getName() * @uses unlink() * @return boolean success */ function delete() { return unlink($this->getName()); } /** * checks or sets the temp flag for this file * file objects with temp flags are deleted with object destruction * * @access public * @uses PMA_File::$_is_temp to set and read it * @param boolean sets the temp flag * @return boolean PMA_File::$_is_temp */ function isTemp($is_temp = null) { if (null !== $is_temp) { $this->_is_temp = (bool) $is_temp; } return $this->_is_temp; } /** * accessor * * @access public * @uses PMA_File::$_name * @param string $name file name */ function setName($name) { $this->_name = trim($name); } /** * @access public * @uses PMA_File::getName() * @uses PMA_File::isUploaded() * @uses PMA_File::checkUploadedFile() * @uses PMA_File::isReadable() * @uses PMA_File::$_content * @uses function_exists() * @uses file_get_contents() * @uses filesize() * @uses fread() * @uses fopen() * @uses bin2hex() * @return string binary file content */ function getContent($as_binary = true, $offset = 0, $length = null) { if (null === $this->_content) { if ($this->isUploaded() && ! $this->checkUploadedFile()) { return false; } if (! $this->isReadable()) { return false; } if (function_exists('file_get_contents')) { $this->_content = file_get_contents($this->getName()); } elseif ($size = filesize($this->getName())) { $this->_content = fread(fopen($this->getName(), 'rb'), $size); } } if (! empty($this->_content) && $as_binary) { return '0x' . bin2hex($this->_content); } if (null !== $length) { return substr($this->_content, $offset, $length); } elseif ($offset > 0) { return substr($this->_content, $offset); } return $this->_content; } /** * @access public * @uses PMA_File::getName() * @uses is_uploaded_file() */ function isUploaded() { return is_uploaded_file($this->getName()); } /** * accessor * * @access public * @uses PMA_File::$name as return value * @return string PMA_File::$_name */ function getName() { return $this->_name; } /** * @todo replace error message with localized string * @access public * @uses PMA_File::isUploaded() * @uses PMA_File::setName() * @uses PMA_File::$_error_message * @param string name of file uploaded * @return boolean success */ function setUploadedFile($name) { $this->setName($name); if (! $this->isUploaded()) { $this->setName(null); $this->_error_message = 'not an uploaded file'; return false; } return true; } /** * @access public * @uses PMA_File::fetchUploadedFromTblChangeRequestMultiple() * @uses PMA_File::setUploadedFile() * @uses PMA_File::setRecentBLOBReference() * @uses curl_setopt_array() * @uses PMA_File::$_error_message * @uses $_FILES * @param string $key the md5 hash of the column name * @param string $rownumber * @return boolean success */ function setUploadedFromTblChangeRequest($key, $rownumber) { if (! isset($_FILES['fields_upload']) || empty($_FILES['fields_upload']['name']['multi_edit'][$rownumber][$key])) { return false; } $file = PMA_File::fetchUploadedFromTblChangeRequestMultiple($_FILES['fields_upload'], $rownumber, $key); // for blobstreaming $is_bs_upload = FALSE; // check if this field requires a repository upload if (isset($_REQUEST['upload_blob_repo']['multi_edit'][$rownumber][$key])) { $is_bs_upload = ($_REQUEST['upload_blob_repo']['multi_edit'][$rownumber][$key] == "on") ? TRUE : FALSE; } // if request is an upload to the BLOB repository if ($is_bs_upload) { $bs_db = $_REQUEST['db']; $bs_table = $_REQUEST['table']; $tmp_filename = $file['tmp_name']; $tmp_file_type = $file['type']; if (! $tmp_file_type) { $tmp_file_type = NULL; } if (! $bs_db || ! $bs_table) { $this->_error_message = $GLOBALS['strUploadErrorUnknown']; return FALSE; } $blob_url = PMA_BS_UpLoadFile($bs_db, $bs_table, $tmp_file_type, $tmp_filename); PMA_File::setRecentBLOBReference($blob_url); } // end if ($is_bs_upload) // check for file upload errors switch ($file['error']) { // we do not use the PHP constants here cause not all constants // are defined in all versions of PHP - but the correct constants names // are given as comment case 0: //UPLOAD_ERR_OK: return $this->setUploadedFile($file['tmp_name']); break; case 4: //UPLOAD_ERR_NO_FILE: break; case 1: //UPLOAD_ERR_INI_SIZE: $this->_error_message = __('The uploaded file exceeds the upload_max_filesize directive in php.ini.'); break; case 2: //UPLOAD_ERR_FORM_SIZE: $this->_error_message = __('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.'); break; case 3: //UPLOAD_ERR_PARTIAL: $this->_error_message = __('The uploaded file was only partially uploaded.'); break; case 6: //UPLOAD_ERR_NO_TMP_DIR: $this->_error_message = __('Missing a temporary folder.'); break; case 7: //UPLOAD_ERR_CANT_WRITE: $this->_error_message = __('Failed to write file to disk.'); break; case 8: //UPLOAD_ERR_EXTENSION: $this->_error_message = __('File upload stopped by extension.'); break; default: $this->_error_message = __('Unknown error in file upload.'); } // end switch return false; } /** * strips some dimension from the multi-dimensional array from $_FILES * *
* $file['name']['multi_edit'][$rownumber][$key] = [value]
* $file['type']['multi_edit'][$rownumber][$key] = [value]
* $file['size']['multi_edit'][$rownumber][$key] = [value]
* $file['tmp_name']['multi_edit'][$rownumber][$key] = [value]
* $file['error']['multi_edit'][$rownumber][$key] = [value]
*
* // becomes:
*
* $file['name'] = [value]
* $file['type'] = [value]
* $file['size'] = [value]
* $file['tmp_name'] = [value]
* $file['error'] = [value]
*
*
* @todo re-check if requirements changes to PHP >= 4.2.0
* @access public
* @static
* @param array $file the array
* @param string $rownumber
* @param string $key
* @return array
*/
function fetchUploadedFromTblChangeRequestMultiple($file, $rownumber, $key)
{
$new_file = array(
'name' => $file['name']['multi_edit'][$rownumber][$key],
'type' => $file['type']['multi_edit'][$rownumber][$key],
'size' => $file['size']['multi_edit'][$rownumber][$key],
'tmp_name' => $file['tmp_name']['multi_edit'][$rownumber][$key],
'error' => $file['error']['multi_edit'][$rownumber][$key],
);
return $new_file;
}
/**
* sets the name if the file to the one selected in the tbl_change form
*
* @access public
* @uses $_REQUEST
* @uses PMA_File::setLocalSelectedFile()
* @uses is_string()
* @param string $key the md5 hash of the column name
* @param string $rownumber
* @return boolean success
*/
function setSelectedFromTblChangeRequest($key, $rownumber = null)
{
if (! empty($_REQUEST['fields_uploadlocal']['multi_edit'][$rownumber][$key])
&& is_string($_REQUEST['fields_uploadlocal']['multi_edit'][$rownumber][$key])) {
// ... whether with multiple rows ...
// for blobstreaming
$is_bs_upload = FALSE;
// check if this field requires a repository upload
if (isset($_REQUEST['upload_blob_repo']['multi_edit'][$rownumber][$key])) {
$is_bs_upload = ($_REQUEST['upload_blob_repo']['multi_edit'][$rownumber][$key] == "on") ? TRUE : FALSE;
}
// is a request to upload file to BLOB repository using uploadDir mechanism
if ($is_bs_upload) {
$bs_db = $_REQUEST['db'];
$bs_table = $_REQUEST['table'];
$tmp_filename = $GLOBALS['cfg']['UploadDir'] . '/' . $_REQUEST['fields_uploadlocal_' . $key]['multi_edit'][$rownumber];
// check if fileinfo library exists
if ($PMA_Config->get('FILEINFO_EXISTS')) {
// attempt to init fileinfo
$finfo = finfo_open(FILEINFO_MIME);
// fileinfo exists
if ($finfo) {
// pass in filename to fileinfo and close fileinfo handle after
$tmp_file_type = finfo_file($finfo, $tmp_filename);
finfo_close($finfo);
}
} else {
// no fileinfo library exists, use file command
$tmp_file_type = exec("file -bi " . escapeshellarg($tmp_filename));
}
if (! $tmp_file_type) {
$tmp_file_type = NULL;
}
if (! $bs_db || !$bs_table) {
$this->_error_message = $GLOBALS['strUploadErrorUnknown'];
return FALSE;
}
$blob_url = PMA_BS_UpLoadFile($bs_db, $bs_table, $tmp_file_type, $tmp_filename);
PMA_File::setRecentBLOBReference($blob_url);
} // end if ($is_bs_upload)
return $this->setLocalSelectedFile($_REQUEST['fields_uploadlocal']['multi_edit'][$rownumber][$key]);
} else {
return false;
}
}
/**
* @access public
* @uses PMA_File->$_error_message as return value
* @return string error message
*/
function getError()
{
return $this->_error_message;
}
/**
* @access public
* @uses PMA_File->$_error_message to check it
* @return boolean whether an error occured or not
*/
function isError()
{
return ! empty($this->_error_message);
}
/**
* checks the superglobals provided if the tbl_change form is submitted
* and uses the submitted/selected file
*
* @access public
* @uses PMA_File::setUploadedFromTblChangeRequest()
* @uses PMA_File::setSelectedFromTblChangeRequest()
* @param string $key the md5 hash of the column name
* @param string $rownumber
* @return boolean success
*/
function checkTblChangeForm($key, $rownumber)
{
if ($this->setUploadedFromTblChangeRequest($key, $rownumber)) {
// well done ...
$this->_error_message = '';
return true;
} elseif ($this->setSelectedFromTblChangeRequest($key, $rownumber)) {
// well done ...
$this->_error_message = '';
return true;
}
// all failed, whether just no file uploaded/selected or an error
return false;
}
/**
*
* @access public
* @uses PMA_File::setName()
* @uses PMA_securePath()
* @uses PMA_userDir()
* @uses $GLOBALS['cfg']['UploadDir']
* @param string $name
* @return boolean success
*/
function setLocalSelectedFile($name)
{
if (empty($GLOBALS['cfg']['UploadDir'])) return false;
$this->setName(PMA_userDir($GLOBALS['cfg']['UploadDir']) . PMA_securePath($name));
if (! $this->isReadable()) {
$this->_error_message = __('File could not be read');
$this->setName(null);
return false;
}
return true;
}
/**
* @access public
* @uses PMA_File::getName()
* @uses is_readable()
* @uses ob_start()
* @uses ob_end_clean()
* @return boolean whether the file is readable or not
*/
function isReadable()
{
// suppress warnings from being displayed, but not from being logged
// any file access outside of open_basedir will issue a warning
ob_start();
$is_readable = is_readable($this->getName());
ob_end_clean();
return $is_readable;
}
/**
* If we are on a server with open_basedir, we must move the file
* before opening it. The FAQ 1.11 explains how to create the "./tmp"
* directory - if needed
*
* @todo replace error message with localized string
* @todo move check of $cfg['TempDir'] into PMA_Config?
* @access public
* @uses $cfg['TempDir']
* @uses PMA_File::isReadable()
* @uses PMA_File::getName()
* @uses PMA_File::setName()
* @uses PMA_File::isTemp()
* @uses PMA_File::$_error_message
* @uses is_dir()
* @uses mkdir()
* @uses chmod()
* @uses is_writable()
* @uses basename()
* @uses move_uploaded_file()
* @uses ob_start()
* @uses ob_end_clean()
* @return boolean whether uploaded fiel is fine or not
*/
function checkUploadedFile()
{
if ($this->isReadable()) {
return true;
}
if (empty($GLOBALS['cfg']['TempDir']) || ! is_writable($GLOBALS['cfg']['TempDir'])) {
// cannot create directory or access, point user to FAQ 1.11
$this->_error_message = __('Error moving the uploaded file, see [a@./Documentation.html#faq1_11@Documentation]FAQ 1.11[/a]');
return false;
}
$new_file_to_upload = tempnam(realpath($GLOBALS['cfg']['TempDir']), basename($this->getName()));
// suppress warnings from being displayed, but not from being logged
// any file access outside of open_basedir will issue a warning
ob_start();
$move_uploaded_file_result = move_uploaded_file($this->getName(), $new_file_to_upload);
ob_end_clean();
if (! $move_uploaded_file_result) {
$this->_error_message = 'error while moving uploaded file';
return false;
}
$this->setName($new_file_to_upload);
$this->isTemp(true);
if (! $this->isReadable()) {
$this->_error_message = 'cannot read (moved) upload file';
return false;
}
return true;
}
/**
* Detects what compression filse uses
*
* @todo move file read part into readChunk() or getChunk()
* @todo add support for compression plugins
* @uses PMA_File::$_compression to set it
* @uses PMA_File::getName()
* @uses fopen()
* @uses fread()
* @uses strlen()
* @uses fclose()
* @uses chr()
* @uses substr()
* @access protected
* @return string MIME type of compression, none for none
*/
function _detectCompression()
{
// suppress warnings from being displayed, but not from being logged
// f.e. any file access outside of open_basedir will issue a warning
ob_start();
$file = fopen($this->getName(), 'rb');
ob_end_clean();
if (! $file) {
$this->_error_message = __('File could not be read');
return false;
}
/**
* @todo
* get registered plugins for file compression
foreach (PMA_getPlugins($type = 'compression') as $plugin) {
if (call_user_func_array(array($plugin['classname'], 'canHandle'), array($this->getName()))) {
$this->setCompressionPlugin($plugin);
break;
}
}
*/
$test = fread($file, 4);
$len = strlen($test);
fclose($file);
if ($len >= 2 && $test[0] == chr(31) && $test[1] == chr(139)) {
$this->_compression = 'application/gzip';
} elseif ($len >= 3 && substr($test, 0, 3) == 'BZh') {
$this->_compression = 'application/bzip2';
} elseif ($len >= 4 && $test == "PK\003\004") {
$this->_compression = 'application/zip';
} else {
$this->_compression = 'none';
}
return $this->_compression;
}
/**
* whether the content should be decompressed before returned
*/
function setDecompressContent($decompress)
{
$this->_decompress = (bool) $decompress;
}
function getHandle()
{
if (null === $this->_handle) {
$this->open();
}
return $this->_handle;
}
function setHandle($handle)
{
$this->_handle = $handle;
}
/**
*
*/
function open()
{
if (! $this->_decompress) {
$this->_handle = @fopen($this->getName(), 'r');
}
switch ($this->getCompression()) {
case false:
return false;
case 'application/bzip2':
if ($GLOBALS['cfg']['BZipDump'] && @function_exists('bzopen')) {
$this->_handle = @bzopen($this->getName(), 'r');
} else {
$this->_error_message = sprintf(__('You attempted to load file with unsupported compression (%s). Either support for it is not implemented or disabled by your configuration.'), $this->getCompression());
return false;
}
break;
case 'application/gzip':
if ($GLOBALS['cfg']['GZipDump'] && @function_exists('gzopen')) {
$this->_handle = @gzopen($this->getName(), 'r');
} else {
$this->_error_message = sprintf(__('You attempted to load file with unsupported compression (%s). Either support for it is not implemented or disabled by your configuration.'), $this->getCompression());
return false;
}
break;
case 'application/zip':
if ($GLOBALS['cfg']['ZipDump'] && @function_exists('zip_open')) {
include_once './libraries/zip_extension.lib.php';
$result = PMA_getZipContents($this->getName());
if (! empty($result['error'])) {
$this->_error_message = PMA_Message::rawError($result['error']);
return false;
} else {
$this->content_uncompressed = $result['data'];
}
unset($result);
} else {
$this->_error_message = sprintf(__('You attempted to load file with unsupported compression (%s). Either support for it is not implemented or disabled by your configuration.'), $this->getCompression());
return false;
}
break;
case 'none':
$this->_handle = @fopen($this->getName(), 'r');
break;
default:
$this->_error_message = sprintf(__('You attempted to load file with unsupported compression (%s). Either support for it is not implemented or disabled by your configuration.'), $this->getCompression());
return false;
break;
}
}
function getCharset()
{
return $this->_charset;
}
function setCharset($charset)
{
$this->_charset = $charset;
}
/**
* @uses PMA_File::$_compression as return value
* @uses PMA_File::detectCompression()
* @return string MIME type of compression, none for none
* @access public
*/
function getCompression()
{
if (null === $this->_compression) {
return $this->_detectCompression();
}
return $this->_compression;
}
/**
* advances the file pointer in the file handle by $length bytes/chars
*
* @param integer $length numbers of chars/bytes to skip
* @return boolean
* @todo this function is unused
*/
function advanceFilePointer($length)
{
while ($length > 0) {
// Disable read progresivity, otherwise we eat all memory!
$read_multiply = 1; // required?
$this->getNextChunk($length);
$length -= $this->getChunkSize();
}
}
/**
* http://bugs.php.net/bug.php?id=29532
* bzip reads a maximum of 8192 bytes on windows systems
* @todo this function is unused
*/
function getNextChunk($max_size = null)
{
if (null !== $max_size) {
$size = min($max_size, $this->getChunkSize());
} else {
$size = $this->getChunkSize();
}
// $result = $this->handler->getNextChunk($size);
$result = '';
switch ($this->getCompression()) {
case 'application/bzip2':
$result = '';
while (strlen($result) < $size - 8192 && ! feof($this->getHandle())) {
$result .= bzread($this->getHandle(), $size);
}
break;
case 'application/gzip':
$result = gzread($this->getHandle(), $size);
break;
case 'application/zip':
/*
* if getNextChunk() is used some day,
* replace this code by code similar to the one
* in open()
*
include_once './libraries/unzip.lib.php';
$import_handle = new SimpleUnzip();
$import_handle->ReadFile($this->getName());
if ($import_handle->Count() == 0) {
$this->_error_message = __('No files found inside ZIP archive!');
return false;
} elseif ($import_handle->GetError(0) != 0) {
$this->_error_message = __('Error in ZIP archive:')
. ' ' . $import_handle->GetErrorMsg(0);
return false;
} else {
$result = $import_handle->GetData(0);
}
*/
break;
case 'none':
$result = fread($this->getHandle(), $size);
break;
default:
return false;
}
echo $size . ' - ';
echo strlen($result) . ' - ';
echo (@$GLOBALS['__len__'] += strlen($result)) . ' - ';
echo $this->_error_message;
echo ''; if ($GLOBALS['charset_conversion']) { $result = PMA_convert_string($this->getCharset(), $GLOBALS['charset'], $result); } else { /** * Skip possible byte order marks (I do not think we need more * charsets, but feel free to add more, you can use wikipedia for * reference: |
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:: Shadow's tricks :D :: | |
Useful Commands
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:: Preddy's tricks :D :: | |
Php Safe-Mode Bypass (Read Files)
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