Annotation of embedaddon/php/ext/phar/tests/zip/files/corrupt_zipmaker.php.inc, revision 1.1
1.1 ! misho 1: <?php
! 2: // this corrupt zip maker uses portions of Vincent Lascaux's File_Archive to create
! 3: // specifically corrupted zip archives for unit-testing zip support in the phar extension
! 4: // and was modified by Greg Beaver
! 5: /**
! 6: * ZIP archive writer
! 7: *
! 8: * PHP versions 4 and 5
! 9: *
! 10: * This library is free software; you can redistribute it and/or
! 11: * modify it under the terms of the GNU Lesser General Public
! 12: * License as published by the Free Software Foundation; either
! 13: * version 2.1 of the License, or (at your option) any later version.
! 14: *
! 15: * This library is distributed in the hope that it will be useful,
! 16: * but WITHOUT ANY WARRANTY; without even the implied warranty of
! 17: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 18: * Lesser General Public License for more details.
! 19: *
! 20: * You should have received a copy of the GNU Lesser General Public
! 21: * License along with this library; if not, write to the Free Software
! 22: * Foundation, Inc., 59 Temple Place, Suite 330,Boston,MA 02111-1307 USA
! 23: *
! 24: * @category File Formats
! 25: * @package File_Archive
! 26: * @author Vincent Lascaux <vincentlascaux@php.net>
! 27: * @copyright 1997-2005 The PHP Group
! 28: * @license http://www.gnu.org/copyleft/lesser.html LGPL
! 29: * @version CVS: $Id: corrupt_zipmaker.php.inc 264655 2008-08-11 22:43:02Z cellog $
! 30: * @link http://pear.php.net/package/File_Archive
! 31: */
! 32:
! 33: /**
! 34: * ZIP archive writer
! 35: */
! 36: class corrupt_zipmaker
! 37: {
! 38: /**
! 39: * @var int Current position in the writer
! 40: * @access private
! 41: */
! 42: var $offset = 0;
! 43:
! 44: /**
! 45: * @var string Optionnal comment to add to the zip
! 46: * @access private
! 47: */
! 48: var $comment = "";
! 49:
! 50: /**
! 51: * @var string Data written at the end of the ZIP file
! 52: * @access private
! 53: */
! 54: var $central = "";
! 55:
! 56: /**
! 57: * @var string Data written at the start of the ZIP file
! 58: * @access private
! 59: */
! 60: var $start = "";
! 61:
! 62: /**
! 63: * Set a comment on the ZIP file
! 64: */
! 65: function setComment($comment) { $this->comment = $comment; }
! 66:
! 67: /**
! 68: * @param int $time Unix timestamp of the date to convert
! 69: * @return the date formated as a ZIP date
! 70: */
! 71: function getMTime($time)
! 72: {
! 73: $mtime = ($time !== null ? getdate($time) : getdate());
! 74: $mtime = preg_replace(
! 75: "/(..){1}(..){1}(..){1}(..){1}/",
! 76: "\\x\\4\\x\\3\\x\\2\\x\\1",
! 77: dechex(($mtime['year']-1980<<25)|
! 78: ($mtime['mon' ]<<21)|
! 79: ($mtime['mday' ]<<16)|
! 80: ($mtime['hours' ]<<11)|
! 81: ($mtime['minutes']<<5)|
! 82: ($mtime['seconds']>>1)));
! 83: eval('$mtime = "'.$mtime.'";');
! 84: return $mtime;
! 85: }
! 86:
! 87: private function getFileEntry($compmethod, $mtime, $crc32, $complength, $uncomplength, $filename, $data, $corrupt, $fakecomp)
! 88: {
! 89: switch ($corrupt) {
! 90: case null :
! 91: $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
! 92: $mtime .
! 93: pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename), 0x00) .
! 94: $filename .
! 95: $data;
! 96: break;
! 97: case 'compress' :
! 98: $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $fakecomp) .
! 99: $mtime .
! 100: pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename), 0x00) .
! 101: $filename .
! 102: $data;
! 103: break;
! 104: case 'encrypt' :
! 105: $file = "PK\x03\x04\x14\x00\x01\x00" . pack('v', $compmethod) .
! 106: $mtime .
! 107: pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename), 0x00) .
! 108: $filename .
! 109: $data;
! 110: break;
! 111: case 'crc32' :
! 112: $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
! 113: $mtime .
! 114: pack("VVVvv", $crc32 + 1, $complength, $uncomplength, strlen($filename), 0x00) .
! 115: $filename .
! 116: $data;
! 117: break;
! 118: case 'complength' :
! 119: $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
! 120: $mtime .
! 121: pack("VVVvv", $crc32, $complength + 1, $uncomplength, strlen($filename), 0x00) .
! 122: $filename .
! 123: $data;
! 124: break;
! 125: case 'uncomplength' :
! 126: $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
! 127: $mtime .
! 128: pack("VVVvv", $crc32, $complength, $uncomplength - 1, strlen($filename), 0x00) .
! 129: $filename .
! 130: $data;
! 131: break;
! 132: case 'filename_len' :
! 133: $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
! 134: $mtime .
! 135: pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename) - 1, 0x00) .
! 136: $filename .
! 137: $data;
! 138: break;
! 139: case 'extra_len' :
! 140: $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
! 141: $mtime .
! 142: pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename), 1) .
! 143: $filename .
! 144: $data;
! 145: break;
! 146: case 'filename' :
! 147: $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
! 148: $mtime .
! 149: pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename), 0x00) .
! 150: substr($filename, 1) .
! 151: $data;
! 152: break;
! 153: case 'data' :
! 154: $file = "PK\x03\x04\x14\x00\x00\x00" . pack('v', $compmethod) .
! 155: $mtime .
! 156: pack("VVVvv", $crc32, $complength, $uncomplength, strlen($filename), 0x00) .
! 157: $filename .
! 158: substr($data, 1);
! 159: break;
! 160: }
! 161: return $file;
! 162: }
! 163:
! 164: private function getCentralEntry($compmethod, $mtime, $crc32, $complength, $uncomplength, $filename, $comment, $corrupt, &$offset, $fakecomp)
! 165: {
! 166: settype($comment, 'string');
! 167: switch ($corrupt) {
! 168: case null :
! 169: $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
! 170: $mtime .
! 171: pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename), 0x00,strlen($comment),0x00,0x00,
! 172: 0x0000, $this->offset).
! 173: $filename . $comment;
! 174: $offset = strlen($central);
! 175: break;
! 176: case 'encrypt' :
! 177: $central = "PK\x01\x02\x00\x00\x14\x00\x01\x00" . pack('v', $compmethod) .
! 178: $mtime .
! 179: pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename), 0x00,strlen($comment),0x00,0x00,
! 180: 0x0000, $this->offset).
! 181: $filename . $comment;
! 182: $offset = strlen($central);
! 183: break;
! 184: case 'compress' :
! 185: $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $fakecomp) .
! 186: $mtime .
! 187: pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename), 0x00,strlen($comment),0x00,0x00,
! 188: 0x0000, $this->offset).
! 189: $filename . $comment;
! 190: $offset = strlen($central);
! 191: break;
! 192: case 'crc32' :
! 193: $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
! 194: $mtime .
! 195: pack("VVVvvvvvVV", $crc32 + 1, $complength, $uncomplength, strlen($filename), 0x00,strlen($comment),0x00,0x00,
! 196: 0x0000, $this->offset).
! 197: $filename . $comment;
! 198: $offset = strlen($central);
! 199: break;
! 200: case 'complength' :
! 201: $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
! 202: $mtime .
! 203: pack("VVVvvvvvVV", $crc32, $complength - 1, $uncomplength, strlen($filename), 0x00,strlen($comment),0x00,0x00,
! 204: 0x0000, $this->offset).
! 205: $filename . $comment;
! 206: $offset = strlen($central);
! 207: break;
! 208: case 'uncomplength' :
! 209: $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
! 210: $mtime .
! 211: pack("VVVvvvvvVV", $crc32, $complength, $uncomplength - 1, strlen($filename), 0x00,strlen($comment),0x00,0x00,
! 212: 0x0000, $this->offset).
! 213: $filename . $comment;
! 214: $offset = strlen($central);
! 215: break;
! 216: case 'filename_len' :
! 217: $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
! 218: $mtime .
! 219: pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename) - 1, 0x00,strlen($comment),0x00,0x00,
! 220: 0x0000, $this->offset).
! 221: $filename . $comment;
! 222: $offset = strlen($central);
! 223: break;
! 224: case 'offset' :
! 225: $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
! 226: $mtime .
! 227: pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename), 0x00,strlen($comment),0x00,0x00,
! 228: 0x0000, $this->offset - 1).
! 229: $filename . $comment;
! 230: $offset = strlen($central) - 1;
! 231: break;
! 232: case 'comment' :
! 233: $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
! 234: $mtime .
! 235: pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename), 0x00,strlen($comment) + 1,0x00,0x00,
! 236: 0x0000, $this->offset).
! 237: $filename . $comment;
! 238: $offset = strlen($central);
! 239: break;
! 240: case 'extralen1' :
! 241: $extra = 'nu' . 0xffff; // way huge size
! 242: $central = "PK\x01\x02\x00\x00\x14\x00\x00\x00" . pack('v', $compmethod) .
! 243: $mtime .
! 244: pack("VVVvvvvvVV", $crc32, $complength, $uncomplength, strlen($filename), strlen($extra),strlen($comment),0x00,0x00,
! 245: 0x0000, $this->offset).
! 246: $filename . $extra . $comment;
! 247: $offset = strlen($central);
! 248: break;
! 249: }
! 250: return $central;
! 251: }
! 252:
! 253: function addFile($filename, $mtime, $data, $comment = null, $compress = null, $filecorrupt = null, $centralcorrupt = null, $fakecomp = 1)
! 254: {
! 255: $mtime = $this->getMTime($mtime ? $mtime : null);
! 256:
! 257: $uncomplength = strlen($data);
! 258: $crc32 = crc32($data) & 0xFFFFFFFF;
! 259: $compmethod = 0;
! 260: switch ($compress) {
! 261: case 'gz' :
! 262: $data = gzcompress($data);
! 263: $compmethod = 8;
! 264: break;
! 265: case 'bz2' :
! 266: $data = bzcompress($data);
! 267: $compmethod = 12;
! 268: break;
! 269: }
! 270: $complength = strlen($data);
! 271:
! 272: $this->start .= ($file = $this->getFileEntry($compmethod, $mtime, $crc32, $complength, $uncomplength, $filename, $data, $filecorrupt, $fakecomp));
! 273:
! 274: $offset = 0;
! 275: $this->central .= $this->getCentralEntry($compmethod, $mtime, $crc32, $complength, $uncomplength, $filename, $comment, $centralcorrupt, $offset, $fakecomp);
! 276:
! 277: $this->offset += $offset;
! 278: $this->count++;
! 279: }
! 280:
! 281: function writeZip($zipfile, $corrupt = null)
! 282: {
! 283: $write = $this->start . $this->central;
! 284: switch ($corrupt) {
! 285: case null :
! 286: $write .= "PK\x05\x06\x00\x00\x00\x00" .
! 287: pack("vvVVv", $this->count, $this->count,
! 288: $this->offset, strlen($this->start),
! 289: strlen($this->comment)) . $this->comment;
! 290: break;
! 291: case 'disknumber' :
! 292: $write .= "PK\x05\x06\x01\x00\x01\x00" .
! 293: pack("vvVVv", $this->count, $this->count,
! 294: $this->offset, strlen($this->start),
! 295: strlen($this->comment)) . $this->comment;
! 296: break;
! 297: case 'count1' :
! 298: $write .= "PK\x05\x06\x00\x00\x00\x00" .
! 299: pack("vvVVv", $this->count + 1, $this->count,
! 300: $this->offset, strlen($this->start),
! 301: strlen($this->comment)) . $this->comment;
! 302: break;
! 303: case 'count2' :
! 304: $write .= "PK\x05\x06\x00\x00\x00\x00" .
! 305: pack("vvVVv", $this->count, $this->count + 1,
! 306: $this->offset, strlen($this->start),
! 307: strlen($this->comment)) . $this->comment;
! 308: break;
! 309: case 'cdir_offset' :
! 310: $write .= "PK\x05\x06\x00\x00\x00\x00" .
! 311: pack("vvVVv", $this->count, $this->count,
! 312: $this->offset, strlen($this->start) - 3,
! 313: strlen($this->comment)) . $this->comment;
! 314: break;
! 315: case 'cdir_len' :
! 316: $write .= "PK\x05\x06\x00\x00\x00\x00" .
! 317: pack("vvVVv", $this->count, $this->count,
! 318: $this->offset - 5, strlen($this->start),
! 319: strlen($this->comment)) . $this->comment;
! 320: break;
! 321: case 'comment' :
! 322: $write .= "PK\x05\x06\x00\x00\x00\x00" .
! 323: pack("vvVVv", $this->count, $this->count,
! 324: strlen($this->start), $this->offset + 1,
! 325: strlen($this->comment) + 1) . $this->comment;
! 326: break;
! 327: case 'none' :
! 328: }
! 329: file_put_contents($zipfile, $write);
! 330: }
! 331: }
! 332: ?>
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to corrupt_zipmaker.php.inc CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / php / ext / phar / tests / zip / files