1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
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
331
332
333
334
335
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
|
// UdfHandler.cpp
#include "StdAfx.h"
#include "../../../Common/ComTry.h"
#include "../../../Windows/PropVariant.h"
#include "../../../Windows/TimeUtils.h"
#include "../../Common/LimitedStreams.h"
#include "../../Common/ProgressUtils.h"
#include "../../Common/RegisterArc.h"
#include "../../Common/StreamObjects.h"
#include "../../Compress/CopyCoder.h"
#include "UdfHandler.h"
namespace NArchive {
namespace NUdf {
static void UdfTimeToFileTime(const CTime &t, NWindows::NCOM::CPropVariant &prop)
{
UInt64 numSecs;
const Byte *d = t.Data;
if (!NWindows::NTime::GetSecondsSince1601(t.GetYear(), d[4], d[5], d[6], d[7], d[8], numSecs))
return;
if (t.IsLocal())
numSecs -= (Int64)((Int32)t.GetMinutesOffset() * 60);
FILETIME ft;
UInt64 v = (((numSecs * 100 + d[9]) * 100 + d[10]) * 100 + d[11]) * 10;
ft.dwLowDateTime = (UInt32)v;
ft.dwHighDateTime = (UInt32)(v >> 32);
prop = ft;
}
static const Byte kProps[] =
{
kpidPath,
kpidIsDir,
kpidSize,
kpidPackSize,
kpidMTime,
kpidATime
};
static const Byte kArcProps[] =
{
kpidComment,
kpidClusterSize,
kpidCTime
};
IMP_IInArchive_Props
IMP_IInArchive_ArcProps
STDMETHODIMP CHandler::GetArchiveProperty(PROPID propID, PROPVARIANT *value)
{
COM_TRY_BEGIN
NWindows::NCOM::CPropVariant prop;
switch(propID)
{
case kpidPhySize: prop = _archive.PhySize; break;
case kpidComment:
{
UString comment = _archive.GetComment();
if (!comment.IsEmpty())
prop = comment;
break;
}
case kpidClusterSize:
if (_archive.LogVols.Size() > 0)
{
UInt32 blockSize = _archive.LogVols[0].BlockSize;
unsigned i;
for (i = 1; i < _archive.LogVols.Size(); i++)
if (_archive.LogVols[i].BlockSize != blockSize)
break;
if (i == _archive.LogVols.Size())
prop = blockSize;
}
break;
case kpidCTime:
if (_archive.LogVols.Size() == 1)
{
const CLogVol &vol = _archive.LogVols[0];
if (vol.FileSets.Size() >= 1)
UdfTimeToFileTime(vol.FileSets[0].RecodringTime, prop);
}
break;
case kpidErrorFlags:
{
UInt32 v = 0;
if (!_archive.IsArc) v |= kpv_ErrorFlags_IsNotArc;
if (_archive.Unsupported) v |= kpv_ErrorFlags_UnsupportedFeature;
if (_archive.UnexpectedEnd) v |= kpv_ErrorFlags_UnexpectedEnd;
prop = v;
break;
}
}
prop.Detach(value);
return S_OK;
COM_TRY_END
}
class CProgressImp: public CProgressVirt
{
CMyComPtr<IArchiveOpenCallback> _callback;
UInt64 _numFiles;
UInt64 _numBytes;
public:
HRESULT SetTotal(UInt64 numBytes);
HRESULT SetCompleted(UInt64 numFiles, UInt64 numBytes);
HRESULT SetCompleted();
CProgressImp(IArchiveOpenCallback *callback): _callback(callback), _numFiles(0), _numBytes(0) {}
};
HRESULT CProgressImp::SetTotal(UInt64 numBytes)
{
if (_callback)
return _callback->SetTotal(NULL, &numBytes);
return S_OK;
}
HRESULT CProgressImp::SetCompleted(UInt64 numFiles, UInt64 numBytes)
{
_numFiles = numFiles;
_numBytes = numBytes;
return SetCompleted();
}
HRESULT CProgressImp::SetCompleted()
{
if (_callback)
return _callback->SetCompleted(&_numFiles, &_numBytes);
return S_OK;
}
STDMETHODIMP CHandler::Open(IInStream *stream, const UInt64 *, IArchiveOpenCallback *callback)
{
COM_TRY_BEGIN
{
Close();
CProgressImp progressImp(callback);
RINOK(_archive.Open(stream, &progressImp));
bool showVolName = (_archive.LogVols.Size() > 1);
FOR_VECTOR (volIndex, _archive.LogVols)
{
const CLogVol &vol = _archive.LogVols[volIndex];
bool showFileSetName = (vol.FileSets.Size() > 1);
FOR_VECTOR (fsIndex, vol.FileSets)
{
const CFileSet &fs = vol.FileSets[fsIndex];
for (unsigned i = ((showVolName || showFileSetName) ? 0 : 1); i < fs.Refs.Size(); i++)
{
CRef2 ref2;
ref2.Vol = volIndex;
ref2.Fs = fsIndex;
ref2.Ref = i;
_refs2.Add(ref2);
}
}
}
_inStream = stream;
}
return S_OK;
COM_TRY_END
}
STDMETHODIMP CHandler::Close()
{
_inStream.Release();
_archive.Clear();
_refs2.Clear();
return S_OK;
}
STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
{
*numItems = _refs2.Size();
return S_OK;
}
STDMETHODIMP CHandler::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *value)
{
COM_TRY_BEGIN
NWindows::NCOM::CPropVariant prop;
{
const CRef2 &ref2 = _refs2[index];
const CLogVol &vol = _archive.LogVols[ref2.Vol];
const CRef &ref = vol.FileSets[ref2.Fs].Refs[ref2.Ref];
const CFile &file = _archive.Files[ref.FileIndex];
const CItem &item = _archive.Items[file.ItemIndex];
switch (propID)
{
case kpidPath: prop = _archive.GetItemPath(ref2.Vol, ref2.Fs, ref2.Ref,
_archive.LogVols.Size() > 1, vol.FileSets.Size() > 1); break;
case kpidIsDir: prop = item.IsDir(); break;
case kpidSize: if (!item.IsDir()) prop = (UInt64)item.Size; break;
case kpidPackSize: if (!item.IsDir()) prop = (UInt64)item.NumLogBlockRecorded * vol.BlockSize; break;
case kpidMTime: UdfTimeToFileTime(item.MTime, prop); break;
case kpidATime: UdfTimeToFileTime(item.ATime, prop); break;
}
}
prop.Detach(value);
return S_OK;
COM_TRY_END
}
STDMETHODIMP CHandler::GetStream(UInt32 index, ISequentialInStream **stream)
{
*stream = 0;
const CRef2 &ref2 = _refs2[index];
const CLogVol &vol = _archive.LogVols[ref2.Vol];
const CRef &ref = vol.FileSets[ref2.Fs].Refs[ref2.Ref];
const CFile &file = _archive.Files[ref.FileIndex];
const CItem &item = _archive.Items[file.ItemIndex];
UInt64 size = item.Size;
if (!item.IsRecAndAlloc() || !item.CheckChunkSizes() || ! _archive.CheckItemExtents(ref2.Vol, item))
return E_NOTIMPL;
if (item.IsInline)
{
Create_BufInStream_WithNewBuffer(item.InlineData, stream);
return S_OK;
}
CExtentsStream *extentStreamSpec = new CExtentsStream();
CMyComPtr<ISequentialInStream> extentStream = extentStreamSpec;
extentStreamSpec->Stream = _inStream;
UInt64 virtOffset = 0;
FOR_VECTOR (extentIndex, item.Extents)
{
const CMyExtent &extent = item.Extents[extentIndex];
UInt32 len = extent.GetLen();
if (len == 0)
continue;
if (size < len)
return S_FALSE;
int partitionIndex = vol.PartitionMaps[extent.PartitionRef].PartitionIndex;
UInt32 logBlockNumber = extent.Pos;
const CPartition &partition = _archive.Partitions[partitionIndex];
UInt64 offset = ((UInt64)partition.Pos << _archive.SecLogSize) +
(UInt64)logBlockNumber * vol.BlockSize;
CSeekExtent se;
se.Phy = offset;
se.Virt = virtOffset;
virtOffset += len;
extentStreamSpec->Extents.Add(se);
size -= len;
}
if (size != 0)
return S_FALSE;
CSeekExtent se;
se.Phy = 0;
se.Virt = virtOffset;
extentStreamSpec->Extents.Add(se);
extentStreamSpec->Init();
*stream = extentStream.Detach();
return S_OK;
}
STDMETHODIMP CHandler::Extract(const UInt32 *indices, UInt32 numItems,
Int32 testMode, IArchiveExtractCallback *extractCallback)
{
COM_TRY_BEGIN
bool allFilesMode = (numItems == (UInt32)(Int32)-1);
if (allFilesMode)
numItems = _refs2.Size();
if (numItems == 0)
return S_OK;
UInt64 totalSize = 0;
UInt32 i;
for (i = 0; i < numItems; i++)
{
UInt32 index = (allFilesMode ? i : indices[i]);
const CRef2 &ref2 = _refs2[index];
const CRef &ref = _archive.LogVols[ref2.Vol].FileSets[ref2.Fs].Refs[ref2.Ref];
const CFile &file = _archive.Files[ref.FileIndex];
const CItem &item = _archive.Items[file.ItemIndex];
if (!item.IsDir())
totalSize += item.Size;
}
extractCallback->SetTotal(totalSize);
UInt64 currentTotalSize = 0;
NCompress::CCopyCoder *copyCoderSpec = new NCompress::CCopyCoder();
CMyComPtr<ICompressCoder> copyCoder = copyCoderSpec;
CLocalProgress *lps = new CLocalProgress;
CMyComPtr<ICompressProgressInfo> progress = lps;
lps->Init(extractCallback, false);
CLimitedSequentialOutStream *outStreamSpec = new CLimitedSequentialOutStream;
CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
for (i = 0; i < numItems; i++)
{
lps->InSize = lps->OutSize = currentTotalSize;
RINOK(lps->SetCur());
CMyComPtr<ISequentialOutStream> realOutStream;
Int32 askMode = testMode ?
NExtract::NAskMode::kTest :
NExtract::NAskMode::kExtract;
UInt32 index = allFilesMode ? i : indices[i];
RINOK(extractCallback->GetStream(index, &realOutStream, askMode));
const CRef2 &ref2 = _refs2[index];
const CRef &ref = _archive.LogVols[ref2.Vol].FileSets[ref2.Fs].Refs[ref2.Ref];
const CFile &file = _archive.Files[ref.FileIndex];
const CItem &item = _archive.Items[file.ItemIndex];
if (item.IsDir())
{
RINOK(extractCallback->PrepareOperation(askMode));
RINOK(extractCallback->SetOperationResult(NExtract::NOperationResult::kOK));
continue;
}
currentTotalSize += item.Size;
if (!testMode && !realOutStream)
continue;
RINOK(extractCallback->PrepareOperation(askMode));
outStreamSpec->SetStream(realOutStream);
realOutStream.Release();
outStreamSpec->Init(item.Size);
Int32 opRes;
CMyComPtr<ISequentialInStream> udfInStream;
HRESULT res = GetStream(index, &udfInStream);
if (res == E_NOTIMPL)
opRes = NExtract::NOperationResult::kUnsupportedMethod;
else if (res != S_OK)
opRes = NExtract::NOperationResult::kDataError;
else
{
RINOK(copyCoder->Code(udfInStream, outStream, NULL, NULL, progress));
opRes = outStreamSpec->IsFinishedOK() ?
NExtract::NOperationResult::kOK:
NExtract::NOperationResult::kDataError;
}
outStreamSpec->ReleaseStream();
RINOK(extractCallback->SetOperationResult(opRes));
}
return S_OK;
COM_TRY_END
}
static const UInt32 kIsoStartPos = 0x8000;
// 5, { 0, 'N', 'S', 'R', '0' },
static const Byte k_Signature[] = { 1, 'C', 'D', '0', '0', '1' };
REGISTER_ARC_I(
"Udf", "udf iso img", 0, 0xE0,
k_Signature,
kIsoStartPos,
NArcInfoFlags::kStartOpen,
IsArc_Udf)
}}
|