︙ | | |
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
-
+
-
-
+
+
-
-
+
+
+
-
+
-
+
-
-
+
+
-
-
+
+
-
-
+
+
-
-
+
+
+
-
-
+
+
+
-
-
+
+
-
+
-
-
+
+
-
+
|
length: extension.count - 1];
}
static void
parsePermissionsExtension(OFLHAArchiveEntry *entry, OFData *extension,
OFStringEncoding encoding)
{
uint16_t mode;
uint16_t POSIXPermissions;
if (extension.count != 3)
@throw [OFInvalidFormatException exception];
memcpy(&mode, (char *)extension.items + 1, 2);
mode = OFFromLittleEndian16(mode);
memcpy(&POSIXPermissions, (char *)extension.items + 1, 2);
POSIXPermissions = OFFromLittleEndian16(POSIXPermissions);
[entry->_mode release];
entry->_mode = nil;
[entry->_POSIXPermissions release];
entry->_POSIXPermissions = nil;
entry->_POSIXPermissions =
entry->_mode = [[OFNumber alloc] initWithUnsignedShort: mode];
[[OFNumber alloc] initWithUnsignedShort: POSIXPermissions];
}
static void
parseGIDUIDExtension(OFLHAArchiveEntry *entry, OFData *extension,
OFStringEncoding encoding)
{
uint16_t UID, GID;
uint16_t ownerAccountID, groupOwnerAccountID;
if (extension.count != 5)
@throw [OFInvalidFormatException exception];
memcpy(&GID, (char *)extension.items + 1, 2);
GID = OFFromLittleEndian16(GID);
memcpy(&groupOwnerAccountID, (char *)extension.items + 1, 2);
groupOwnerAccountID = OFFromLittleEndian16(groupOwnerAccountID);
memcpy(&UID, (char *)extension.items + 3, 2);
UID = OFFromLittleEndian16(UID);
memcpy(&ownerAccountID, (char *)extension.items + 3, 2);
ownerAccountID = OFFromLittleEndian16(ownerAccountID);
[entry->_GID release];
entry->_GID = nil;
[entry->_groupOwnerAccountID release];
entry->_groupOwnerAccountID = nil;
[entry->_UID release];
entry->_UID = nil;
[entry->_ownerAccountID release];
entry->_ownerAccountID = nil;
entry->_groupOwnerAccountID =
entry->_GID = [[OFNumber alloc] initWithUnsignedShort: GID];
entry->_UID = [[OFNumber alloc] initWithUnsignedShort: UID];
[[OFNumber alloc] initWithUnsignedShort: groupOwnerAccountID];
entry->_ownerAccountID =
[[OFNumber alloc] initWithUnsignedShort: ownerAccountID];
}
static void
parseGroupExtension(OFLHAArchiveEntry *entry, OFData *extension,
OFStringEncoding encoding)
{
[entry->_group release];
entry->_group = nil;
[entry->_groupOwnerAccountName release];
entry->_groupOwnerAccountName = nil;
entry->_group = [[OFString alloc]
entry->_groupOwnerAccountName = [[OFString alloc]
initWithCString: (char *)extension.items + 1
encoding: encoding
length: extension.count - 1];
}
static void
parseOwnerExtension(OFLHAArchiveEntry *entry, OFData *extension,
OFStringEncoding encoding)
{
[entry->_owner release];
entry->_owner = nil;
[entry->_ownerAccountName release];
entry->_ownerAccountName = nil;
entry->_owner = [[OFString alloc]
entry->_ownerAccountName = [[OFString alloc]
initWithCString: (char *)extension.items + 1
encoding: encoding
length: extension.count - 1];
}
static void
parseModificationDateExtension(OFLHAArchiveEntry *entry, OFData *extension,
|
︙ | | |
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
|
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
|
-
-
-
-
-
-
+
-
-
+
|
*fileName = cString + pos;
*fileNameLength = length - pos;
*directoryName = cString;
*directoryNameLength = pos;
}
+ (instancetype)entryWithFileName: (OFString *)fileName
{
return [[[self alloc] initWithFileName: fileName] autorelease];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithFileName: (OFString *)fileName
- (instancetype)of_init
{
self = [super init];
@try {
_fileName = [fileName copy];
_compressionMethod = @"-lh0-";
_date = [[OFDate alloc] initWithTimeIntervalSince1970: 0];
_modificationDate = [[OFDate alloc] init];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
|
︙ | | |
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
|
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
|
+
+
+
+
-
+
+
-
+
+
-
+
-
+
|
uint32_t date;
_compressionMethod = [[OFString alloc]
initWithCString: header + 2
encoding: OFStringEncodingASCII
length: 5];
if (_compressedSize > UINT32_MAX ||
_uncompressedSize > UINT32_MAX)
@throw [OFOutOfRangeException exception];
memcpy(&_compressedSize, header + 7, 4);
_compressedSize = OFFromLittleEndian32(_compressedSize);
_compressedSize =
OFFromLittleEndian32((uint32_t)_compressedSize);
memcpy(&_uncompressedSize, header + 11, 4);
_uncompressedSize = OFFromLittleEndian32(_uncompressedSize);
_uncompressedSize =
OFFromLittleEndian32((uint32_t)_uncompressedSize);
memcpy(&date, header + 15, 4);
date = OFFromLittleEndian32(date);
_headerLevel = header[20];
_extensions = [[OFMutableArray alloc] init];
switch (_headerLevel) {
case 0:
case 1:;
void *pool = objc_autoreleasePoolPush();
uint8_t fileNameLength;
OFString *tmp;
_date = [parseMSDOSDate(date) retain];
_modificationDate = [parseMSDOSDate(date) retain];
fileNameLength = [stream readInt8];
tmp = [stream readStringWithLength: fileNameLength
encoding: encoding];
tmp = [tmp stringByReplacingOccurrencesOfString: @"\\"
withString: @"/"];
_fileName = [tmp copy];
_CRC16 = [stream readLittleEndianInt16];
if (_headerLevel == 1) {
_operatingSystemIdentifier = [stream readInt8];
readExtensions(self, stream, encoding, false);
}
objc_autoreleasePoolPop(pool);
break;
case 2:
_date = [[OFDate alloc]
_modificationDate = [[OFDate alloc]
initWithTimeIntervalSince1970: date];
_CRC16 = [stream readLittleEndianInt16];
_operatingSystemIdentifier = [stream readInt8];
readExtensions(self, stream, encoding, true);
|
︙ | | |
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
|
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
|
-
+
-
-
-
-
-
+
+
+
+
+
-
-
+
+
-
+
-
-
-
-
-
+
+
+
+
+
-
|
}
- (void)dealloc
{
[_compressionMethod release];
[_fileName release];
[_directoryName release];
[_date release];
[_modificationDate release];
[_fileComment release];
[_mode release];
[_UID release];
[_GID release];
[_owner release];
[_group release];
[_POSIXPermissions release];
[_ownerAccountID release];
[_groupOwnerAccountID release];
[_ownerAccountName release];
[_groupOwnerAccountName release];
[_extensions release];
[super dealloc];
}
- (id)copy
{
return [self retain];
}
- (id)mutableCopy
{
OFLHAArchiveEntry *copy = [[OFMutableLHAArchiveEntry alloc]
initWithFileName: _fileName];
@try {
[copy->_compressionMethod release];
copy->_compressionMethod = nil;
[copy->_date release];
copy->_date = nil;
[copy->_modificationDate release];
copy->_modificationDate = nil;
copy->_directoryName = [_directoryName copy];
copy->_compressionMethod = [_compressionMethod copy];
copy->_compressedSize = _compressedSize;
copy->_uncompressedSize = _uncompressedSize;
copy->_date = [_date copy];
copy->_modificationDate = [_modificationDate copy];
copy->_headerLevel = _headerLevel;
copy->_CRC16 = _CRC16;
copy->_operatingSystemIdentifier = _operatingSystemIdentifier;
copy->_fileComment = [_fileComment copy];
copy->_mode = [_mode retain];
copy->_UID = [_UID retain];
copy->_GID = [_GID retain];
copy->_owner = [_owner copy];
copy->_group = [_group copy];
copy->_POSIXPermissions = [_POSIXPermissions retain];
copy->_ownerAccountID = [_ownerAccountID retain];
copy->_groupOwnerAccountID = [_groupOwnerAccountID retain];
copy->_ownerAccountName = [_ownerAccountName copy];
copy->_groupOwnerAccountName = [_groupOwnerAccountName copy];
copy->_modificationDate = [_modificationDate retain];
copy->_extensions = [_extensions copy];
} @catch (id e) {
[copy release];
@throw e;
}
return copy;
|
︙ | | |
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
|
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
|
-
+
-
+
-
+
-
+
|
}
- (OFString *)compressionMethod
{
return _compressionMethod;
}
- (uint32_t)compressedSize
- (unsigned long long)compressedSize
{
return _compressedSize;
}
- (uint32_t)uncompressedSize
- (unsigned long long)uncompressedSize
{
return _uncompressedSize;
}
- (OFDate *)date
- (OFDate *)modificationDate
{
return _date;
return _modificationDate;
}
- (uint8_t)headerLevel
{
return _headerLevel;
}
|
︙ | | |
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
|
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
|
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
-
-
-
-
|
}
- (OFString *)fileComment
{
return _fileComment;
}
- (OFNumber *)mode
- (OFNumber *)POSIXPermissions
{
return _mode;
return _POSIXPermissions;
}
- (OFNumber *)UID
- (OFNumber *)ownerAccountID
{
return _UID;
return _ownerAccountID;
}
- (OFNumber *)GID
- (OFNumber *)groupOwnerAccountID
{
return _GID;
return _groupOwnerAccountID;
}
- (OFString *)owner
- (OFString *)ownerAccountName
{
return _owner;
return _ownerAccountName;
}
- (OFString *)group
- (OFString *)groupOwnerAccountName
{
return _group;
return _groupOwnerAccountName;
}
- (OFDate *)modificationDate
{
return _modificationDate;
}
- (OFArray OF_GENERIC(OFData *) *)extensions
{
return _extensions;
}
|
︙ | | |
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
|
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
|
-
+
+
-
+
-
+
-
+
+
|
OFStringEncodingASCII] != 5)
@throw [OFInvalidArgumentException exception];
getFileNameAndDirectoryName(self, encoding, &fileName, &fileNameLength,
&directoryName, &directoryNameLength);
if (fileNameLength > UINT16_MAX - 3 ||
directoryNameLength > UINT16_MAX - 3)
directoryNameLength > UINT16_MAX - 3 ||
_compressedSize > UINT32_MAX || _uncompressedSize > UINT32_MAX)
@throw [OFOutOfRangeException exception];
/* Length. Filled in after we're done. */
[data increaseCountBy: 2];
[data addItems: [_compressionMethod
cStringWithEncoding: OFStringEncodingASCII]
count: 5];
tmp32 = OFToLittleEndian32(_compressedSize);
tmp32 = OFToLittleEndian32((uint32_t)_compressedSize);
[data addItems: &tmp32 count: sizeof(tmp32)];
tmp32 = OFToLittleEndian32(_uncompressedSize);
tmp32 = OFToLittleEndian32((uint32_t)_uncompressedSize);
[data addItems: &tmp32 count: sizeof(tmp32)];
tmp32 = OFToLittleEndian32((uint32_t)_date.timeIntervalSince1970);
tmp32 = OFToLittleEndian32(
(uint32_t)_modificationDate.timeIntervalSince1970);
[data addItems: &tmp32 count: sizeof(tmp32)];
/* Reserved */
[data increaseCountBy: 1];
/* Header level */
[data addItem: "\x02"];
|
︙ | | |
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
|
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
|
-
+
+
-
+
-
-
+
+
-
+
+
-
+
-
-
-
+
+
+
-
+
-
+
-
-
+
+
+
-
-
-
+
+
+
-
+
-
+
-
+
-
-
-
+
-
-
-
-
-
+
-
-
-
|
tmp16 = OFToLittleEndian16((uint16_t)fileCommentLength + 3);
[data addItems: &tmp16 count: sizeof(tmp16)];
[data addItem: "\x3F"];
[data addItems: [_fileComment cStringWithEncoding: encoding]
count: fileCommentLength];
}
if (_mode != nil) {
if (_POSIXPermissions != nil) {
tmp16 = OFToLittleEndian16(5);
[data addItems: &tmp16 count: sizeof(tmp16)];
[data addItem: "\x50"];
tmp16 =
tmp16 = OFToLittleEndian16(_mode.unsignedShortValue);
OFToLittleEndian16(_POSIXPermissions.unsignedShortValue);
[data addItems: &tmp16 count: sizeof(tmp16)];
}
if (_UID != nil || _GID != nil) {
if (_UID == nil || _GID == nil)
if (_ownerAccountID != nil || _groupOwnerAccountID != nil) {
if (_ownerAccountID == nil || _groupOwnerAccountID == nil)
@throw [OFInvalidArgumentException exception];
tmp16 = OFToLittleEndian16(7);
[data addItems: &tmp16 count: sizeof(tmp16)];
[data addItem: "\x51"];
tmp16 = OFToLittleEndian16(_GID.unsignedShortValue);
tmp16 = OFToLittleEndian16(
_groupOwnerAccountID.unsignedShortValue);
[data addItems: &tmp16 count: sizeof(tmp16)];
tmp16 = OFToLittleEndian16(_UID.unsignedShortValue);
tmp16 = OFToLittleEndian16(_ownerAccountID.unsignedShortValue);
[data addItems: &tmp16 count: sizeof(tmp16)];
}
if (_group != nil) {
size_t groupLength =
[_group cStringLengthWithEncoding: encoding];
if (_groupOwnerAccountName != nil) {
size_t length = [_groupOwnerAccountName
cStringLengthWithEncoding: encoding];
if (groupLength > UINT16_MAX - 3)
if (length > UINT16_MAX - 3)
@throw [OFOutOfRangeException exception];
tmp16 = OFToLittleEndian16((uint16_t)groupLength + 3);
tmp16 = OFToLittleEndian16((uint16_t)length + 3);
[data addItems: &tmp16 count: sizeof(tmp16)];
[data addItem: "\x52"];
[data addItems: [_group cStringWithEncoding: encoding]
count: groupLength];
[data addItems: [_groupOwnerAccountName
cStringWithEncoding: encoding]
count: length];
}
if (_owner != nil) {
size_t ownerLength =
[_owner cStringLengthWithEncoding: encoding];
if (_ownerAccountName != nil) {
size_t length =
[_ownerAccountName cStringLengthWithEncoding: encoding];
if (ownerLength > UINT16_MAX - 3)
if (length > UINT16_MAX - 3)
@throw [OFOutOfRangeException exception];
tmp16 = OFToLittleEndian16((uint16_t)ownerLength + 3);
tmp16 = OFToLittleEndian16((uint16_t)length + 3);
[data addItems: &tmp16 count: sizeof(tmp16)];
[data addItem: "\x53"];
[data addItems: [_owner cStringWithEncoding: encoding]
[data addItems: [_ownerAccountName
count: ownerLength];
}
cStringWithEncoding: encoding]
if (_modificationDate != nil) {
tmp16 = OFToLittleEndian16(7);
[data addItems: &tmp16 count: sizeof(tmp16)];
[data addItem: "\x54"];
count: length];
tmp32 = OFToLittleEndian32(
(uint32_t)_modificationDate.timeIntervalSince1970);
[data addItems: &tmp32 count: sizeof(tmp32)];
}
for (OFData *extension in _extensions) {
size_t extensionLength = extension.count;
if (extension.itemSize != 1)
@throw [OFInvalidArgumentException exception];
|
︙ | | |
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
|
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
|
-
+
-
+
+
+
+
+
+
-
+
-
-
-
+
+
+
-
-
-
-
-
+
+
+
+
+
-
-
-
-
+
+
+
+
|
objc_autoreleasePoolPop(pool);
}
- (OFString *)description
{
void *pool = objc_autoreleasePoolPush();
OFString *mode = (_mode == nil ? nil
OFString *POSIXPermissions = nil;
: [OFString stringWithFormat: @"%ho", _mode.unsignedShortValue]);
OFString *extensions = [_extensions.description
stringByReplacingOccurrencesOfString: @"\n"
withString: @"\n\t"];
OFString *ret;
if (_POSIXPermissions != nil)
POSIXPermissions = [OFString stringWithFormat: @"%ho",
_POSIXPermissions.unsignedShortValue];
OFString *ret = [OFString stringWithFormat:
ret = [OFString stringWithFormat:
@"<%@:\n"
@"\tFile name = %@\n"
@"\tCompression method = %@\n"
@"\tCompressed size = %" @PRIu32 "\n"
@"\tUncompressed size = %" @PRIu32 "\n"
@"\tDate = %@\n"
@"\tCompressed size = %llu\n"
@"\tUncompressed size = %llu\n"
@"\tModification date = %@\n"
@"\tHeader level = %u\n"
@"\tCRC16 = %04" @PRIX16 @"\n"
@"\tOperating system identifier = %c\n"
@"\tComment = %@\n"
@"\tMode = %@\n"
@"\tUID = %@\n"
@"\tGID = %@\n"
@"\tOwner = %@\n"
@"\tGroup = %@\n"
@"\tPOSIX permissions = %@\n"
@"\tOwner account ID = %@\n"
@"\tGroup owner account ID = %@\n"
@"\tOwner account name = %@\n"
@"\tGroup owner accounut name = %@\n"
@"\tModification date = %@\n"
@"\tExtensions: %@"
@">",
self.class, self.fileName, _compressionMethod, _compressedSize,
_uncompressedSize, _date, _headerLevel, _CRC16,
_operatingSystemIdentifier, _fileComment, mode, _UID, _GID, _owner,
_group, _modificationDate, extensions];
_uncompressedSize, _modificationDate, _headerLevel, _CRC16,
_operatingSystemIdentifier, _fileComment, POSIXPermissions,
_ownerAccountID, _groupOwnerAccountID, _ownerAccountName,
_groupOwnerAccountName, extensions];
[ret retain];
objc_autoreleasePoolPop(pool);
return [ret autorelease];
}
@end
|