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
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
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
|
// ZipHandlerOut.cpp
#include "StdAfx.h"
#include "../../../Common/ComTry.h"
#include "../../../Common/StringConvert.h"
#include "../../../Common/StringToInt.h"
#include "../../../Windows/PropVariant.h"
#include "../../../Windows/TimeUtils.h"
#include "../../IPassword.h"
#include "../../Common/OutBuffer.h"
#include "../../Crypto/WzAes.h"
#include "../Common/ItemNameUtils.h"
#include "../Common/ParseProperties.h"
#include "ZipHandler.h"
#include "ZipUpdate.h"
using namespace NWindows;
using namespace NCOM;
using namespace NTime;
namespace NArchive {
namespace NZip {
STDMETHODIMP CHandler::GetFileTimeType(UInt32 *timeType)
{
*timeType = NFileTimeType::kDOS;
return S_OK;
}
static bool IsSimpleAsciiString(const wchar_t *s)
{
for (;;)
{
wchar_t c = *s++;
if (c == 0)
return true;
if (c < 0x20 || c > 0x7F)
return false;
}
}
#define COM_TRY_BEGIN2 try {
#define COM_TRY_END2 } \
catch(const CSystemException &e) { return e.ErrorCode; } \
catch(...) { return E_OUTOFMEMORY; }
static HRESULT GetTime(IArchiveUpdateCallback *callback, int index, PROPID propID, FILETIME &filetime)
{
filetime.dwHighDateTime = filetime.dwLowDateTime = 0;
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(index, propID, &prop));
if (prop.vt == VT_FILETIME)
filetime = prop.filetime;
else if (prop.vt != VT_EMPTY)
return E_INVALIDARG;
return S_OK;
}
STDMETHODIMP CHandler::UpdateItems(ISequentialOutStream *outStream, UInt32 numItems,
IArchiveUpdateCallback *callback)
{
COM_TRY_BEGIN2
if (m_Archive.IsOpen())
{
if (!m_Archive.CanUpdate())
return E_NOTIMPL;
}
CObjectVector<CUpdateItem> updateItems;
bool thereAreAesUpdates = false;
UInt64 largestSize = 0;
bool largestSizeDefined = false;
for (UInt32 i = 0; i < numItems; i++)
{
CUpdateItem ui;
Int32 newData;
Int32 newProps;
UInt32 indexInArchive;
if (!callback)
return E_FAIL;
RINOK(callback->GetUpdateItemInfo(i, &newData, &newProps, &indexInArchive));
ui.NewProps = IntToBool(newProps);
ui.NewData = IntToBool(newData);
ui.IndexInArc = indexInArchive;
ui.IndexInClient = i;
bool existInArchive = (indexInArchive != (UInt32)(Int32)-1);
if (existInArchive && newData)
if (m_Items[indexInArchive].IsAesEncrypted())
thereAreAesUpdates = true;
if (IntToBool(newProps))
{
UString name;
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(i, kpidAttrib, &prop));
if (prop.vt == VT_EMPTY)
ui.Attrib = 0;
else if (prop.vt != VT_UI4)
return E_INVALIDARG;
else
ui.Attrib = prop.ulVal;
}
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(i, kpidPath, &prop));
if (prop.vt == VT_EMPTY)
name.Empty();
else if (prop.vt != VT_BSTR)
return E_INVALIDARG;
else
name = prop.bstrVal;
}
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(i, kpidIsDir, &prop));
if (prop.vt == VT_EMPTY)
ui.IsDir = false;
else if (prop.vt != VT_BOOL)
return E_INVALIDARG;
else
ui.IsDir = (prop.boolVal != VARIANT_FALSE);
}
{
CPropVariant prop;
RINOK(callback->GetProperty(i, kpidTimeType, &prop));
if (prop.vt == VT_UI4)
ui.NtfsTimeIsDefined = (prop.ulVal == NFileTimeType::kWindows);
else
ui.NtfsTimeIsDefined = m_WriteNtfsTimeExtra;
}
RINOK(GetTime(callback, i, kpidMTime, ui.Ntfs_MTime));
RINOK(GetTime(callback, i, kpidATime, ui.Ntfs_ATime));
RINOK(GetTime(callback, i, kpidCTime, ui.Ntfs_CTime));
{
FILETIME localFileTime = { 0, 0 };
if (ui.Ntfs_MTime.dwHighDateTime != 0 ||
ui.Ntfs_MTime.dwLowDateTime != 0)
if (!FileTimeToLocalFileTime(&ui.Ntfs_MTime, &localFileTime))
return E_INVALIDARG;
FileTimeToDosTime(localFileTime, ui.Time);
}
name = NItemName::MakeLegalName(name);
bool needSlash = ui.IsDir;
const wchar_t kSlash = L'/';
if (!name.IsEmpty())
{
if (name.Back() == kSlash)
{
if (!ui.IsDir)
return E_INVALIDARG;
needSlash = false;
}
}
if (needSlash)
name += kSlash;
UINT codePage = _forceCodePage ? _specifiedCodePage : CP_OEMCP;
bool tryUtf8 = true;
if ((m_ForceLocal || !m_ForceUtf8) && codePage != CP_UTF8)
{
bool defaultCharWasUsed;
ui.Name = UnicodeStringToMultiByte(name, codePage, '_', defaultCharWasUsed);
tryUtf8 = (!m_ForceLocal && (defaultCharWasUsed ||
MultiByteToUnicodeString(ui.Name, codePage) != name));
}
if (tryUtf8)
{
ui.IsUtf8 = !name.IsAscii();
ConvertUnicodeToUTF8(name, ui.Name);
}
if (ui.Name.Len() >= (1 << 16))
return E_INVALIDARG;
ui.IndexInClient = i;
/*
if (existInArchive)
{
const CItemEx &itemInfo = m_Items[indexInArchive];
// ui.Commented = itemInfo.IsCommented();
ui.Commented = false;
if (ui.Commented)
{
ui.CommentRange.Position = itemInfo.GetCommentPosition();
ui.CommentRange.Size = itemInfo.CommentSize;
}
}
else
ui.Commented = false;
*/
}
if (IntToBool(newData))
{
UInt64 size = 0;
if (!ui.IsDir)
{
NCOM::CPropVariant prop;
RINOK(callback->GetProperty(i, kpidSize, &prop));
if (prop.vt != VT_UI8)
return E_INVALIDARG;
size = prop.uhVal.QuadPart;
if (largestSize < size)
largestSize = size;
largestSizeDefined = true;
}
ui.Size = size;
// ui.Size -= ui.Size / 2;
}
updateItems.Add(ui);
}
CMyComPtr<ICryptoGetTextPassword2> getTextPassword;
{
CMyComPtr<IArchiveUpdateCallback> udateCallBack2(callback);
udateCallBack2.QueryInterface(IID_ICryptoGetTextPassword2, &getTextPassword);
}
CCompressionMethodMode options;
(CBaseProps &)options = _props;
options._dataSizeReduce = largestSize;
options._dataSizeReduceDefined = largestSizeDefined;
options.PasswordIsDefined = false;
options.Password.Empty();
if (getTextPassword)
{
CMyComBSTR password;
Int32 passwordIsDefined;
RINOK(getTextPassword->CryptoGetTextPassword2(&passwordIsDefined, &password));
options.PasswordIsDefined = IntToBool(passwordIsDefined);
if (options.PasswordIsDefined)
{
if (!m_ForceAesMode)
options.IsAesMode = thereAreAesUpdates;
if (!IsSimpleAsciiString(password))
return E_INVALIDARG;
if (password)
options.Password = UnicodeStringToMultiByte((LPCOLESTR)password, CP_OEMCP);
if (options.IsAesMode)
{
if (options.Password.Len() > NCrypto::NWzAes::kPasswordSizeMax)
return E_INVALIDARG;
}
}
}
Byte mainMethod;
if (m_MainMethod < 0)
mainMethod = (Byte)(((_props.Level == 0) ?
NFileHeader::NCompressionMethod::kStored :
NFileHeader::NCompressionMethod::kDeflated));
else
mainMethod = (Byte)m_MainMethod;
options.MethodSequence.Add(mainMethod);
if (mainMethod != NFileHeader::NCompressionMethod::kStored)
options.MethodSequence.Add(NFileHeader::NCompressionMethod::kStored);
return Update(
EXTERNAL_CODECS_VARS
m_Items, updateItems, outStream,
m_Archive.IsOpen() ? &m_Archive : NULL, _removeSfxBlock,
&options, callback);
COM_TRY_END2
}
struct CMethodIndexToName
{
unsigned Method;
const char *Name;
};
static const CMethodIndexToName k_SupportedMethods[] =
{
{ NFileHeader::NCompressionMethod::kStored, "copy" },
{ NFileHeader::NCompressionMethod::kDeflated, "deflate" },
{ NFileHeader::NCompressionMethod::kDeflated64, "deflate64" },
{ NFileHeader::NCompressionMethod::kBZip2, "bzip2" },
{ NFileHeader::NCompressionMethod::kLZMA, "lzma" },
{ NFileHeader::NCompressionMethod::kPPMd, "ppmd" }
};
STDMETHODIMP CHandler::SetProperties(const wchar_t * const *names, const PROPVARIANT *values, UInt32 numProps)
{
InitMethodProps();
#ifndef _7ZIP_ST
const UInt32 numProcessors = _props.NumThreads;
#endif
for (UInt32 i = 0; i < numProps; i++)
{
UString name = names[i];
name.MakeLower_Ascii();
if (name.IsEmpty())
return E_INVALIDARG;
const PROPVARIANT &prop = values[i];
if (name[0] == L'x')
{
UInt32 level = 9;
RINOK(ParsePropToUInt32(name.Ptr(1), prop, level));
_props.Level = level;
_props.MethodInfo.AddProp_Level(level);
}
else if (name == L"m")
{
if (prop.vt == VT_BSTR)
{
UString m = prop.bstrVal, m2;
m.MakeLower_Ascii();
int colonPos = m.Find(L':');
if (colonPos >= 0)
{
m2 = m.Ptr(colonPos + 1);
m.DeleteFrom(colonPos);
}
unsigned k;
for (k = 0; k < ARRAY_SIZE(k_SupportedMethods); k++)
{
const CMethodIndexToName &pair = k_SupportedMethods[k];
if (m.IsEqualTo(pair.Name))
{
if (!m2.IsEmpty())
{
RINOK(_props.MethodInfo.ParseParamsFromString(m2));
}
m_MainMethod = pair.Method;
break;
}
}
if (k == ARRAY_SIZE(k_SupportedMethods))
return E_INVALIDARG;
}
else if (prop.vt == VT_UI4)
{
unsigned k;
for (k = 0; k < ARRAY_SIZE(k_SupportedMethods); k++)
{
unsigned method = k_SupportedMethods[k].Method;
if (prop.ulVal == method)
{
m_MainMethod = method;
break;
}
}
if (k == ARRAY_SIZE(k_SupportedMethods))
return E_INVALIDARG;
}
else
return E_INVALIDARG;
}
else if (name.IsPrefixedBy(L"em"))
{
if (prop.vt != VT_BSTR)
return E_INVALIDARG;
{
UString m = prop.bstrVal;
m.MakeLower_Ascii();
if (m.IsPrefixedBy(L"aes"))
{
m.DeleteFrontal(3);
if (m == L"128")
_props.AesKeyMode = 1;
else if (m == L"192")
_props.AesKeyMode = 2;
else if (m == L"256" || m.IsEmpty())
_props.AesKeyMode = 3;
else
return E_INVALIDARG;
_props.IsAesMode = true;
m_ForceAesMode = true;
}
else if (m == L"zipcrypto")
{
_props.IsAesMode = false;
m_ForceAesMode = true;
}
else
return E_INVALIDARG;
}
}
else if (name.IsPrefixedBy(L"mt"))
{
#ifndef _7ZIP_ST
RINOK(ParseMtProp(name.Ptr(2), prop, numProcessors, _props.NumThreads));
_props.NumThreadsWasChanged = true;
#endif
}
else if (name.IsEqualTo("tc"))
{
RINOK(PROPVARIANT_to_bool(prop, m_WriteNtfsTimeExtra));
}
else if (name.IsEqualTo("cl"))
{
RINOK(PROPVARIANT_to_bool(prop, m_ForceLocal));
if (m_ForceLocal)
m_ForceUtf8 = false;
}
else if (name.IsEqualTo("cu"))
{
RINOK(PROPVARIANT_to_bool(prop, m_ForceUtf8));
if (m_ForceUtf8)
m_ForceLocal = false;
}
else if (name.IsEqualTo("cp"))
{
UInt32 cp = CP_OEMCP;
RINOK(ParsePropToUInt32(L"", prop, cp));
_forceCodePage = true;
_specifiedCodePage = cp;
}
else if (name.IsEqualTo("rsfx"))
{
RINOK(PROPVARIANT_to_bool(prop, _removeSfxBlock));
}
else
{
RINOK(_props.MethodInfo.ParseParamsFromPROPVARIANT(name, prop));
}
}
return S_OK;
}
}}
|