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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
1.1.1.2 ! misho 29: * @version CVS: $Id$
1.1 misho 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: ?>