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[php]
< ?php
function untar($tarfile,$outdir=\"./\",$chmod=null) {
$TarSize = filesize($tarfile);
$TarSizeEnd = $TarSize - 1024;
if($outdir!=\"\"&&!file_exists($outdir)) {
mkdir($outdir,0777); }
$thandle = fopen($tarfile, \"r\");
while (ftell($thandle)<$TarSizeEnd) {
$FileName = $outdir.trim(fread($thandle,100));
$FileMode = trim(fread($thandle,8));
if($chmod===null) {
$FileCHMOD = octdec(\"0\".substr($FileMode,-3)); }
if($chmod!==null) {
$FileCHMOD = $chmod; }
$OwnerID = trim(fread($thandle,8));
$GroupID = trim(fread($thandle,8));
$FileSize = octdec(trim(fread($thandle,12)));
$LastEdit = trim(fread($thandle,12));
$Checksum = trim(fread($thandle,8));
$FileType = trim(fread($thandle,1));
$LinkedFile = trim(fread($thandle,100));
fseek($thandle,255,SEEK_CUR);
if($FileType==\"0\") {
$FileContent = fread($thandle,$FileSize); }
if($FileType==\"1\") {
$FileContent = null; }
if($FileType==\"2\") {
$FileContent = null; }
if($FileType==\"5\") {
$FileContent = null; }
if($FileType==\"0\") {
$subhandle = fopen($FileName, \"a+\");
fwrite($subhandle,$FileContent,$FileSize);
fclose($subhandle);
chmod($FileName,$FileCHMOD); }
if($FileType==\"1\") {
link($FileName,$LinkedFile); }
if($FileType==\"2\") {
symlink($LinkedFile,$FileName); }
if($FileType==\"5\") {
mkdir($FileName,$FileCHMOD); }
//touch($FileName,$LastEdit);
if($FileType==\"0\") {
$CheckSize = 512;
while ($CheckSize<$FileSize) {
if($CheckSize<$FileSize) {
$CheckSize = $CheckSize + 512; } }
$SeekSize = $CheckSize - $FileSize;
fseek($thandle,$SeekSize,SEEK_CUR); } }
fclose($thandle);
return true; }
?>
[/php]
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