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
|
#include "rar.hpp"
#include "URL.h"
#include "dialogs/GUIDialogProgress.h"
ComprDataIO::ComprDataIO()
{
Init();
}
void ComprDataIO::Init()
{
UnpackFromMemory=false;
UnpackToMemory=false;
UnpackToMemorySize=-1;
UnpPackedSize=0;
ShowProgress=true;
TestMode=false;
SkipUnpCRC=true;
PackVolume=false;
UnpVolume=false;
NextVolumeMissing=false;
SrcFile=NULL;
DestFile=NULL;
UnpWrSize=0;
Command=NULL;
Encryption=0;
Decryption=0;
TotalPackRead=0;
CurPackRead=CurPackWrite=CurUnpRead=CurUnpWrite=CurUnpStart=0;
PackFileCRC=UnpFileCRC=PackedCRC=0xffffffff;
LastPercent=-1;
SubHead=NULL;
SubHeadPos=NULL;
CurrentCommand=0;
ProcessedArcSize=TotalArcSize=0;
bQuit = false;
m_pDlgProgress = NULL;
}
int ComprDataIO::UnpRead(byte *Addr,uint Count)
{
int RetCode=0,TotalRead=0;
byte *ReadAddr;
ReadAddr=Addr;
while (Count > 0)
{
Archive *SrcArc=(Archive *)SrcFile;
uint ReadSize=(Count>UnpPackedSize) ? int64to32(UnpPackedSize):Count;
if (UnpackFromMemory)
{
memcpy(Addr,UnpackFromMemoryAddr,UnpackFromMemorySize);
RetCode=UnpackFromMemorySize;
UnpackFromMemorySize=0;
}
else
{
bool bRead = true;
if (!SrcFile->IsOpened())
{
NextVolumeMissing = true;
return(-1);
}
if (UnpackToMemory)
if (hSeek->WaitMSec(1)) // we are seeking
{
if (m_iSeekTo > CurUnpStart+SrcArc->NewLhd.FullPackSize) // need to seek outside this block
{
TotalRead += (int)(SrcArc->NextBlockPos-SrcFile->Tell());
CurUnpRead=CurUnpStart+SrcArc->NewLhd.FullPackSize;
UnpPackedSize=0;
RetCode = 0;
bRead = false;
}
else
{
Int64 iStartOfFile = SrcArc->NextBlockPos-SrcArc->NewLhd.FullPackSize;
m_iStartOfBuffer = CurUnpStart;
Int64 iSeekTo=m_iSeekTo-CurUnpStart<MAXWINMEMSIZE/2?iStartOfFile:iStartOfFile+m_iSeekTo-CurUnpStart-MAXWINMEMSIZE/2;
if (iSeekTo == iStartOfFile) // front
{
if (CurUnpStart+MAXWINMEMSIZE>SrcArc->NewLhd.FullUnpSize)
{
m_iSeekTo=SrcArc->NewLhd.FullUnpSize-iSeekTo+iStartOfFile; // back
UnpPackedSize = SrcArc->NewLhd.FullPackSize;
}
else
{
m_iSeekTo=MAXWINMEMSIZE-(m_iSeekTo-CurUnpStart);
UnpPackedSize = SrcArc->NewLhd.FullPackSize - (m_iStartOfBuffer - CurUnpStart);
}
}
else
{
m_iStartOfBuffer = m_iSeekTo-MAXWINMEMSIZE/2; // front
if (m_iSeekTo+MAXWINMEMSIZE/2>SrcArc->NewLhd.FullUnpSize)
{
iSeekTo = iStartOfFile+SrcArc->NewLhd.FullPackSize-MAXWINMEMSIZE;
m_iStartOfBuffer = CurUnpStart+SrcArc->NewLhd.FullPackSize-MAXWINMEMSIZE;
m_iSeekTo = MAXWINMEMSIZE-(m_iSeekTo-m_iStartOfBuffer);
UnpPackedSize = MAXWINMEMSIZE;
}
else
{
m_iSeekTo=MAXWINMEMSIZE/2;
UnpPackedSize = SrcArc->NewLhd.FullPackSize - (m_iStartOfBuffer - CurUnpStart);
}
}
SrcFile->Seek(iSeekTo,SEEK_SET);
TotalRead = 0;
CurUnpRead = CurUnpStart + iSeekTo - iStartOfFile;
CurUnpWrite = SrcFile->Tell() - iStartOfFile + CurUnpStart;
hSeek->Reset();
hSeekDone->Set();
}
}
if (bRead)
{
ReadSize=(Count>UnpPackedSize) ? int64to32(UnpPackedSize):Count;
RetCode=SrcFile->Read(ReadAddr,ReadSize);
FileHeader *hd=SubHead!=NULL ? SubHead:&SrcArc->NewLhd;
if (hd->Flags & LHD_SPLIT_AFTER)
{
PackedCRC=CRC(PackedCRC,ReadAddr,ReadSize);
}
}
}
CurUnpRead+=RetCode;
ReadAddr+=RetCode;
TotalRead+=RetCode;
Count-=RetCode;
UnpPackedSize-=RetCode;
if (UnpPackedSize == 0 && UnpVolume)
{
#ifndef NOVOLUME
if (!MergeArchive(*SrcArc,this,true,CurrentCommand))
#endif
{
NextVolumeMissing=true;
return(-1);
}
CurUnpStart = CurUnpRead;
if (m_pDlgProgress)
{
CURL url(SrcArc->FileName);
m_pDlgProgress->SetLine(0,url.GetWithoutUserDetails()); // update currently extracted rar file
m_pDlgProgress->Progress();
}
}
else
break;
}
Archive *SrcArc=(Archive *)SrcFile;
if (SrcArc!=NULL)
ShowUnpRead(SrcArc->CurBlockPos+CurUnpRead,UnpArcSize);
if (RetCode!=-1)
{
RetCode=TotalRead;
#ifndef NOCRYPT
if (Decryption)
{
#ifndef SFX_MODULE
if (Decryption<20)
Decrypt.Crypt(Addr,RetCode,(Decryption==15) ? NEW_CRYPT : OLD_DECODE);
else if (Decryption==20)
for (int I=0;I<RetCode;I+=16)
Decrypt.DecryptBlock20(&Addr[I]);
else
#endif
{
int CryptSize=(RetCode & 0xf)==0 ? RetCode:((RetCode & ~0xf)+16);
Decrypt.DecryptBlock(Addr,CryptSize);
}
}
#endif
}
Wait();
return(RetCode);
}
void ComprDataIO::UnpWrite(byte *Addr,uint Count)
{
#ifdef RARDLL
RAROptions *Cmd=((Archive *)SrcFile)->GetRAROptions();
if (Cmd->DllOpMode!=RAR_SKIP)
{
if (Cmd->Callback!=NULL &&
Cmd->Callback(UCM_PROCESSDATA,Cmd->UserData,(LONG)Addr,Count)==-1)
ErrHandler.Exit(USER_BREAK);
if (Cmd->ProcessDataProc!=NULL)
{
#ifdef _WIN_32
_EBX=_ESP;
#endif
int RetCode=Cmd->ProcessDataProc(Addr,Count);
#ifdef _WIN_32
_ESP=_EBX;
#endif
if (RetCode==0)
ErrHandler.Exit(USER_BREAK);
}
}
#endif
UnpWrAddr=Addr;
UnpWrSize=Count;
if (UnpackToMemory)
{
while(UnpackToMemorySize < (int)Count)
{
hBufferEmpty->Set();
while(! hBufferFilled->WaitMSec(1))
if (hQuit->WaitMSec(1))
return;
}
if (! hSeek->WaitMSec(1)) // we are seeking
{
memcpy(UnpackToMemoryAddr,Addr,Count);
UnpackToMemoryAddr+=Count;
UnpackToMemorySize-=Count;
}
else
return;
}
else
if (!TestMode)
DestFile->Write(Addr,Count);
CurUnpWrite+=Count;
if (!SkipUnpCRC)
{
#ifndef SFX_MODULE
if (((Archive *)SrcFile)->OldFormat)
UnpFileCRC=OldCRC((ushort)UnpFileCRC,Addr,Count);
else
#endif
UnpFileCRC=CRC(UnpFileCRC,Addr,Count);
}
ShowUnpWrite();
Wait();
if (m_pDlgProgress)
{
m_pDlgProgress->ShowProgressBar(true);
m_pDlgProgress->SetPercentage(int(float(CurUnpWrite)/float(((Archive*)SrcFile)->NewLhd.FullUnpSize)*100));
m_pDlgProgress->Progress();
if (m_pDlgProgress->IsCanceled())
bQuit = true;
}
}
void ComprDataIO::ShowUnpRead(Int64 ArcPos,Int64 ArcSize)
{
if (ShowProgress && SrcFile!=NULL)
{
Archive *SrcArc=(Archive *)SrcFile;
RAROptions *Cmd=SrcArc->GetRAROptions();
if (TotalArcSize!=0)
ArcSize=TotalArcSize;
ArcPos+=ProcessedArcSize;
if (!SrcArc->Volume)
{
int CurPercent=ToPercent(ArcPos,ArcSize);
if (!Cmd->DisablePercentage && CurPercent!=LastPercent)
{
mprintf("\b\b\b\b%3d%%",CurPercent);
LastPercent=CurPercent;
}
}
}
}
void ComprDataIO::ShowUnpWrite()
{
}
void ComprDataIO::SetFiles(File *SrcFile,File *DestFile)
{
if (SrcFile!=NULL)
ComprDataIO::SrcFile=SrcFile;
if (DestFile!=NULL)
ComprDataIO::DestFile=DestFile;
LastPercent=-1;
}
void ComprDataIO::GetUnpackedData(byte **Data,uint *Size)
{
*Data=UnpWrAddr;
*Size=UnpWrSize;
}
void ComprDataIO::SetEncryption(int Method,char *Password,byte *Salt,bool Encrypt)
{
if (Encrypt)
{
Encryption=*Password ? Method:0;
#ifndef NOCRYPT
Crypt.SetCryptKeys(Password,Salt,Encrypt);
#endif
}
else
{
Decryption=*Password ? Method:0;
#ifndef NOCRYPT
Decrypt.SetCryptKeys(Password,Salt,Encrypt,Method<29);
#endif
}
}
#ifndef SFX_MODULE
void ComprDataIO::SetAV15Encryption()
{
Decryption=15;
Decrypt.SetAV15Encryption();
}
#endif
#ifndef SFX_MODULE
void ComprDataIO::SetCmt13Encryption()
{
Decryption=13;
Decrypt.SetCmt13Encryption();
}
#endif
void ComprDataIO::SetUnpackToMemory(byte *Addr,uint Size)
{
UnpackToMemory=true;
UnpackToMemoryAddr=Addr;
UnpackToMemorySize=Size;
}
|
