--- /dev/null
+<?php
+// this corrupt zip maker uses portions of Vincent Lascaux's File_Archive to create
+// specifically corrupted zip archives for unit-testing zip support in the phar extension
+// and was modified by Greg Beaver
+/**
+ * ZIP archive writer
+ *
+ * PHP versions 4 and 5
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330,Boston,MA 02111-1307 USA
+ *
+ * @category File Formats
+ * @package File_Archive
+ * @author Vincent Lascaux <vincentlascaux@php.net>
+ * @copyright 1997-2005 The PHP Group
+ * @license http://www.gnu.org/copyleft/lesser.html LGPL
+ * @version CVS: $Id$
+ * @link http://pear.php.net/package/File_Archive
+ */
+
+/**
+ * ZIP archive writer
+ */
+class corrupt_zipmaker
+{
+ /**
+ * @var int Current position in the writer
+ * @access private
+ */
+ var $offset = 0;
+
+ /**
+ * @var string Optionnal comment to add to the zip
+ * @access private
+ */
+ var $comment = "";
+
+ /**
+ * @var string Data written at the end of the ZIP file
+ * @access private
+ */
+ var $central = "";
+
+ /**
+ * @var string Data written at the start of the ZIP file
+ * @access private
+ */
+ var $start = "";
+
+ /**
+ * Set a comment on the ZIP file
+ */
+ function setComment($comment) { $this->comment = $comment; }
+
+ /**
+ * @param int $time Unix timestamp of the date to convert
+ * @return the date formated as a ZIP date
+ */
+ function getMTime($time)
+ {
+ $mtime = ($time !== null ? getdate($time) : getdate());
+ $mtime = preg_replace(
+ "/(..){1}(..){1}(..){1}(..){1}/",
+ "\\x\\4\\x\\3\\x\\2\\x\\1",
+ dechex(($mtime['year']-1980<<25)|
+ ($mtime['mon' ]<<21)|
+ ($mtime['mday' ]<<16)|
+ ($mtime['hours' ]<<11)|
+ ($mtime['minutes']<<5)|
+ ($mtime['seconds']>>1)));
+ eval('$mtime = "'.$mtime.'";');
+ return $mtime;
+ }
+
+ private function getFileEntry($compmethod, $mtime, $crc32, $complength, $uncomplength, $filename, $data, $corrupt)
+ {
+ switch ($corrupt) {
+ case null :
+ $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename), 0x00) .
+ $filename .
+ $data;
+ break;
+ case 'crc32' :
+ $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvv", $crc32 + 1, $complength, $uncomplength, strlen($filename), 0x00) .
+ $filename .
+ $data;
+ break;
+ case 'complength' :
+ $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvv", $crc32, $complength + 1, $uncomplength, strlen($filename), 0x00) .
+ $filename .
+ $data;
+ break;
+ case 'uncomplength' :
+ $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvv", $crc32, $complength, $uncomplength - 1, strlen($filename), 0x00) .
+ $filename .
+ $data;
+ break;
+ case 'filename_len' :
+ $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename) - 1, 0x00) .
+ $filename .
+ $data;
+ break;
+ case 'extra_len' :
+ $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename), 1) .
+ $filename .
+ $data;
+ break;
+ case 'filename' :
+ $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename), 0x00) .
+ substr($filename, 1) .
+ $data;
+ break;
+ case 'data' :
+ $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename), 0x00) .
+ $filename .
+ substr($data, 1);
+ break;
+ }
+ return $file;
+ }
+
+ private function getCentralEntry($compmethod, $mtime, $crc32, $complength, $uncomplength, $filename, $comment, $corrupt, &$offset)
+ {
+ settype($comment, 'string');
+ switch ($corrupt) {
+ case null :
+ $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename), 0x00,strlen($comment),0x00,0x00,
+ 0x0000, $this->offset).
+ $filename . $comment;
+ $offset = strlen($central);
+ break;
+ case 'crc32' :
+ $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvvvvvVV", $crc32 + 1, $complength, $uncomplength, strlen($filename), 0x00,strlen($comment),0x00,0x00,
+ 0x0000, $this->offset).
+ $filename . $comment;
+ $offset = strlen($central);
+ break;
+ case 'complength' :
+ $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvvvvvVV", $crc32, $complength - 1, $uncomplength, strlen($filename), 0x00,strlen($comment),0x00,0x00,
+ 0x0000, $this->offset).
+ $filename . $comment;
+ $offset = strlen($central);
+ break;
+ case 'uncomplength' :
+ $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvvvvvVV", $crc32, $complength, $uncomplength - 1, strlen($filename), 0x00,strlen($comment),0x00,0x00,
+ 0x0000, $this->offset).
+ $filename . $comment;
+ $offset = strlen($central);
+ break;
+ case 'filename_len' :
+ $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename) - 1, 0x00,strlen($comment),0x00,0x00,
+ 0x0000, $this->offset).
+ $filename . $comment;
+ $offset = strlen($central);
+ break;
+ case 'offset' :
+ $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename), 0x00,strlen($comment),0x00,0x00,
+ 0x0000, $this->offset - 1).
+ $filename . $comment;
+ $offset = strlen($central) - 1;
+ break;
+ case 'comment' :
+ $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
+ $mtime .
+ pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename), 0x00,strlen($comment) + 1,0x00,0x00,
+ 0x0000, $this->offset).
+ $filename . $comment;
+ $offset = strlen($central);
+ break;
+ }
+ return $central;
+ }
+
+ function addFile($filename, $mtime, $data, $comment = null, $compress = null, $filecorrupt = null, $centralcorrupt = null)
+ {
+ $mtime = $this->getMTime($mtime ? $mtime : null);
+
+ $uncomplength = strlen($data);
+ $crc32 = crc32($data) & 0xFFFFFFFF;
+ $compmethod = 0;
+ switch ($compress) {
+ case 'gz' :
+ $data = gzcompress($data);
+ $compmethod = 8;
+ break;
+ case 'bz2' :
+ $data = bzcompress($data);
+ $compmethod = 12;
+ break;
+ }
+ $complength = strlen($data);
+
+ $this->start .= ($file = $this->getFileEntry($compmethod, $mtime, $crc32, $complength, $uncomplength, $filename, $data, $filecorrupt));
+
+ $offset = 0;
+ $this->central .= $this->getCentralEntry($compmethod, $mtime, $crc32, $complength, $uncomplength, $filename, $comment, $centralcorrupt, $offset);
+
+ $this->offset += $offset;
+ $this->count++;
+ }
+
+ function writeZip($zipfile, $corrupt = null)
+ {
+ $write = $this->start . $this->central;
+ switch ($corrupt) {
+ case null :
+ $write .= "PK\x05\x06\x00\x00\x00\x00" .
+ pack("vvVVv", $this->count, $this->count,
+ $this->offset, strlen($this->start),
+ strlen($this->comment)) . $this->comment;
+ break;
+ case 'count1' :
+ $write .= "PK\x05\x06\x00\x00\x00\x00" .
+ pack("vvVVv", $this->count + 1, $this->count,
+ $this->offset, strlen($this->start),
+ strlen($this->comment)) . $this->comment;
+ break;
+ case 'count2' :
+ $write .= "PK\x05\x06\x00\x00\x00\x00" .
+ pack("vvVVv", $this->count, $this->count + 1,
+ $this->offset, strlen($this->start),
+ strlen($this->comment)) . $this->comment;
+ break;
+ case 'cdir_len' :
+ $write .= "PK\x05\x06\x00\x00\x00\x00" .
+ pack("vvVVv", $this->count, $this->count,
+ $this->offset, strlen($this->start) - 3,
+ strlen($this->comment)) . $this->comment;
+ break;
+ case 'cdir_offset' :
+ $write .= "PK\x05\x06\x00\x00\x00\x00" .
+ pack("vvVVv", $this->count, $this->count,
+ $this->offset + 1, strlen($this->start),
+ strlen($this->comment)) . $this->comment;
+ break;
+ case 'comment' :
+ $write .= "PK\x05\x06\x00\x00\x00\x00" .
+ pack("vvVVv", $this->count, $this->count,
+ strlen($this->start), $this->offset + 1,
+ strlen($this->comment) + 1) . $this->comment;
+ break;
+ }
+ file_put_contents($zipfile, $write);
+ }
+}
+?>
\ No newline at end of file