mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-15 12:09:06 +00:00
Changed: Moved 7z/lzma code in login_patch_seven_zip.cpp
Fixed: Updated code to work with new versions of LZMA SDK
This commit is contained in:
kervala
parent
7bf1349571
commit
4877d40b16
2 changed files with 482 additions and 219 deletions
|
|
@ -48,16 +48,6 @@
|
|||
#include "nel/misc/big_file.h"
|
||||
#include "nel/misc/i18n.h"
|
||||
|
||||
#define RZ_USE_SEVENZIP 1
|
||||
|
||||
// 7 zip includes
|
||||
#ifdef RZ_USE_SEVENZIP
|
||||
#include "seven_zip/7zCrc.h"
|
||||
#include "seven_zip/7zIn.h"
|
||||
#include "seven_zip/7zExtract.h"
|
||||
#include "seven_zip/LzmaDecode.h"
|
||||
#endif
|
||||
|
||||
#include "game_share/bg_downloader_msg.h"
|
||||
|
||||
#include "login_patch.h"
|
||||
|
|
@ -116,57 +106,6 @@ struct EPatchDownloadException : public Exception
|
|||
|
||||
CPatchManager *CPatchManager::_Instance = NULL;
|
||||
|
||||
#ifdef RZ_USE_SEVENZIP
|
||||
/// Input stream class for 7zip archive
|
||||
class CNel7ZipInStream : public _ISzInStream
|
||||
{
|
||||
NLMISC::IStream *_Stream;
|
||||
|
||||
public:
|
||||
/// Constructor, only allow file stream because 7zip will 'seek' in the stream
|
||||
CNel7ZipInStream(NLMISC::IStream *s)
|
||||
: _Stream(s)
|
||||
{
|
||||
Read = readFunc;
|
||||
Seek = seekFunc;
|
||||
}
|
||||
|
||||
// the read function called by 7zip to read data
|
||||
static SZ_RESULT readFunc(void *object, void *buffer, size_t size, size_t *processedSize)
|
||||
{
|
||||
try
|
||||
{
|
||||
CNel7ZipInStream *me = (CNel7ZipInStream*)object;
|
||||
me->_Stream->serialBuffer((uint8*)buffer, (uint)size);
|
||||
*processedSize = size;
|
||||
return SZ_OK;
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
return SZE_FAIL;
|
||||
}
|
||||
}
|
||||
|
||||
// the seek function called by seven zip to seek inside stream
|
||||
static SZ_RESULT seekFunc(void *object, CFileSize pos)
|
||||
{
|
||||
try
|
||||
{
|
||||
CNel7ZipInStream *me = (CNel7ZipInStream*)object;
|
||||
bool ret= me->_Stream->seek(pos, NLMISC::IStream::begin);
|
||||
if (ret)
|
||||
return SZ_OK;
|
||||
else
|
||||
return SZE_FAIL;
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
return SZE_FAIL;
|
||||
}
|
||||
}
|
||||
};
|
||||
#endif
|
||||
|
||||
static std::string ClientRootPath;
|
||||
|
||||
// ****************************************************************************
|
||||
|
|
@ -2192,164 +2131,6 @@ void CPatchManager::getCorruptedFileInfo(const SFileToPatch &ftp, ucstring &sTra
|
|||
toString("%.1f ", (float)ftp.FinalFileSize/1000000.f) + CI18N::get("uiMb") + ")";
|
||||
}
|
||||
|
||||
bool CPatchManager::unpack7Zip(const std::string &sevenZipFile, const std::string &destFileName)
|
||||
{
|
||||
#ifdef RZ_USE_SEVENZIP
|
||||
nlinfo("Uncompressing 7zip archive '%s' to '%s'", sevenZipFile.c_str(), destFileName.c_str());
|
||||
|
||||
// init seven zip
|
||||
ISzAlloc allocImp;
|
||||
ISzAlloc allocTempImp;
|
||||
CArchiveDatabaseEx db;
|
||||
|
||||
allocImp.Alloc = SzAlloc;
|
||||
allocImp.Free = SzFree;
|
||||
|
||||
allocTempImp.Alloc = SzAllocTemp;
|
||||
allocTempImp.Free = SzFreeTemp;
|
||||
|
||||
InitCrcTable();
|
||||
SzArDbExInit(&db);
|
||||
|
||||
// unpack the file using the 7zip API
|
||||
|
||||
CIFile input(sevenZipFile);
|
||||
CNel7ZipInStream inStr(&input);
|
||||
|
||||
SZ_RESULT res = SzArchiveOpen(&inStr, &db, &allocImp, &allocTempImp);
|
||||
if (res != SZ_OK)
|
||||
{
|
||||
nlerror("Failed to open archive file %s", sevenZipFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
if (db.Database.NumFiles != 1)
|
||||
{
|
||||
nlerror("Seven zip archive with more than 1 file are unsupported");
|
||||
return false;
|
||||
}
|
||||
|
||||
UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */
|
||||
Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */
|
||||
size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */
|
||||
|
||||
size_t offset;
|
||||
size_t outSizeProcessed = 0;
|
||||
|
||||
// get the first file
|
||||
CFileItem *f = db.Database.Files;
|
||||
res = SzExtract(&inStr, &db, 0,
|
||||
&blockIndex, &outBuffer, &outBufferSize,
|
||||
&offset, &outSizeProcessed,
|
||||
&allocImp, &allocTempImp);
|
||||
|
||||
// write the extracted file
|
||||
FILE *outputHandle;
|
||||
UInt32 processedSize;
|
||||
char *fileName = f->Name;
|
||||
size_t nameLen = strlen(f->Name);
|
||||
for (; nameLen > 0; nameLen--)
|
||||
{
|
||||
if (f->Name[nameLen - 1] == '/')
|
||||
{
|
||||
fileName = f->Name + nameLen;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
outputHandle = fopen(destFileName.c_str(), "wb+");
|
||||
if (outputHandle == 0)
|
||||
{
|
||||
nlerror("Can not open output file '%s'", destFileName.c_str());
|
||||
return false;
|
||||
}
|
||||
processedSize = (UInt32)fwrite(outBuffer + offset, 1, outSizeProcessed, outputHandle);
|
||||
if (processedSize != outSizeProcessed)
|
||||
{
|
||||
nlerror("Failed to write %u char to output file '%s'", outSizeProcessed-processedSize, destFileName.c_str());
|
||||
return false;
|
||||
}
|
||||
fclose(outputHandle);
|
||||
allocImp.Free(outBuffer);
|
||||
|
||||
// free 7z context
|
||||
SzArDbExFree(&db, allocImp.Free);
|
||||
|
||||
// ok, all is fine, file is unpacked
|
||||
return true;
|
||||
#else
|
||||
return false;
|
||||
#endif
|
||||
}
|
||||
|
||||
bool CPatchManager::unpackLZMA(const std::string &lzmaFile, const std::string &destFileName)
|
||||
{
|
||||
#ifdef RZ_USE_SEVENZIP
|
||||
nldebug("unpackLZMA : decompression the lzma file '%s' into output file '%s", lzmaFile.c_str(), destFileName.c_str());
|
||||
CIFile inStream(lzmaFile);
|
||||
uint32 inSize = inStream.getFileSize();
|
||||
auto_ptr<uint8> inBuffer = auto_ptr<uint8>(new uint8[inSize]);
|
||||
inStream.serialBuffer(inBuffer.get(), inSize);
|
||||
|
||||
CLzmaDecoderState state;
|
||||
|
||||
uint8 *pos = inBuffer.get();
|
||||
// read the lzma properties
|
||||
int ret = LzmaDecodeProperties(&state.Properties, (unsigned char*) pos, LZMA_PROPERTIES_SIZE);
|
||||
if (ret != 0)
|
||||
{
|
||||
nlwarning("Failed to decode lzma properies in file '%s'!", lzmaFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
if (inSize < LZMA_PROPERTIES_SIZE + 8)
|
||||
{
|
||||
nlwarning("Invalid file size, too small file '%s'", lzmaFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
// alloc the probs, making sure they are deleted in function exit
|
||||
size_t nbProb = LzmaGetNumProbs(&state.Properties);
|
||||
auto_ptr<CProb> probs = auto_ptr<CProb>(new CProb[nbProb]);
|
||||
state.Probs = probs.get();
|
||||
|
||||
pos += LZMA_PROPERTIES_SIZE;
|
||||
|
||||
// read the output file size
|
||||
size_t fileSize = 0;
|
||||
for (int i = 0; i < 8; i++)
|
||||
{
|
||||
//Byte b;
|
||||
if (pos >= inBuffer.get()+inSize)
|
||||
{
|
||||
nlassert(false);
|
||||
return false;
|
||||
}
|
||||
fileSize |= ((UInt64)*pos++) << (8 * i);
|
||||
}
|
||||
|
||||
SizeT outProcessed = 0;
|
||||
SizeT inProcessed = 0;
|
||||
// allocate the output buffer
|
||||
auto_ptr<uint8> outBuffer = auto_ptr<uint8>(new uint8[fileSize]);
|
||||
// decompress the file in memory
|
||||
ret = LzmaDecode(&state, (unsigned char*) pos, (SizeT)(inSize-(pos-inBuffer.get())), &inProcessed, (unsigned char*)outBuffer.get(), (SizeT)fileSize, &outProcessed);
|
||||
if (ret != 0 || outProcessed != fileSize)
|
||||
{
|
||||
nlwarning("Failed to decode lzma file '%s'", lzmaFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
// store on output buffer
|
||||
COFile outStream(destFileName);
|
||||
outStream.serialBuffer(outBuffer.get(), (uint)fileSize);
|
||||
|
||||
return true;
|
||||
#else
|
||||
return false;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
// ****************************************************************************
|
||||
// ****************************************************************************
|
||||
|
|
|
|||
482
code/ryzom/client/src/login_patch_seven_zip.cpp
Normal file
482
code/ryzom/client/src/login_patch_seven_zip.cpp
Normal file
|
|
@ -0,0 +1,482 @@
|
|||
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
|
||||
// Copyright (C) 2010 Winch Gate Property Limited
|
||||
//
|
||||
// This program is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Affero General Public License as
|
||||
// published by the Free Software Foundation, either version 3 of the
|
||||
// License, or (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Affero General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Affero General Public License
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//
|
||||
// Includes
|
||||
//
|
||||
|
||||
#include "stdpch.h"
|
||||
#include "login_patch.h"
|
||||
|
||||
#define RZ_USE_SEVENZIP 1
|
||||
//#define RZ_USE_NEW_LZMA
|
||||
|
||||
#ifdef RZ_USE_SEVENZIP
|
||||
|
||||
#ifdef RZ_USE_NEW_LZMA
|
||||
|
||||
#include "seven_zip/7z.h"
|
||||
#include "seven_zip/7zAlloc.h"
|
||||
#include "seven_zip/7zBuf.h"
|
||||
#include "seven_zip/7zCrc.h"
|
||||
#include "seven_zip/7zFile.h"
|
||||
#include "seven_zip/7zVersion.h"
|
||||
#include "seven_zip/LzmaDec.h"
|
||||
|
||||
#else
|
||||
|
||||
#include "seven_zip/7zCrc.h"
|
||||
#include "seven_zip/7zIn.h"
|
||||
#include "seven_zip/7zExtract.h"
|
||||
#include "seven_zip/LzmaDecode.h"
|
||||
|
||||
#endif
|
||||
|
||||
//
|
||||
// Namespaces
|
||||
//
|
||||
|
||||
using namespace std;
|
||||
using namespace NLMISC;
|
||||
|
||||
|
||||
#ifdef RZ_USE_NEW_LZMA
|
||||
|
||||
/// Input stream class for 7zip archive
|
||||
class CNel7ZipInStream : public ISeekInStream
|
||||
{
|
||||
NLMISC::IStream *_Stream;
|
||||
|
||||
public:
|
||||
/// Constructor, only allow file stream because 7zip will 'seek' in the stream
|
||||
CNel7ZipInStream(NLMISC::IStream *s)
|
||||
: _Stream(s)
|
||||
{
|
||||
Read = readFunc;
|
||||
Seek = seekFunc;
|
||||
}
|
||||
|
||||
// the read function called by 7zip to read data
|
||||
static SRes readFunc(void *object, void *buffer, size_t *size)
|
||||
{
|
||||
try
|
||||
{
|
||||
CNel7ZipInStream *me = (CNel7ZipInStream*)object;
|
||||
uint len = (uint)*size;
|
||||
me->_Stream->serialBuffer((uint8*)buffer, len);
|
||||
return SZ_OK;
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
return SZ_ERROR_READ;
|
||||
}
|
||||
}
|
||||
|
||||
// the seek function called by seven zip to seek inside stream
|
||||
static SRes seekFunc(void *object, Int64 *pos, ESzSeek origin)
|
||||
{
|
||||
try
|
||||
{
|
||||
CNel7ZipInStream *me = (CNel7ZipInStream*)object;
|
||||
sint32 offset = (sint32)*pos;
|
||||
bool ret = me->_Stream->seek(offset, (NLMISC::IStream::TSeekOrigin)origin);
|
||||
|
||||
if (ret)
|
||||
{
|
||||
*pos = (Int64)me->_Stream->getPos();
|
||||
return SZ_OK;
|
||||
}
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
}
|
||||
|
||||
return SZ_ERROR_READ;
|
||||
}
|
||||
};
|
||||
|
||||
#else
|
||||
|
||||
/// Input stream class for 7zip archive
|
||||
class CNel7ZipInStream : public _ISzInStream
|
||||
{
|
||||
NLMISC::IStream *_Stream;
|
||||
|
||||
public:
|
||||
/// Constructor, only allow file stream because 7zip will 'seek' in the stream
|
||||
CNel7ZipInStream(NLMISC::IStream *s)
|
||||
: _Stream(s)
|
||||
{
|
||||
Read = readFunc;
|
||||
Seek = seekFunc;
|
||||
}
|
||||
|
||||
// the read function called by 7zip to read data
|
||||
static SZ_RESULT readFunc(void *object, void *buffer, size_t size, size_t *processedSize)
|
||||
{
|
||||
try
|
||||
{
|
||||
CNel7ZipInStream *me = (CNel7ZipInStream*)object;
|
||||
me->_Stream->serialBuffer((uint8*)buffer, (uint)size);
|
||||
*processedSize = size;
|
||||
return SZ_OK;
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
return SZE_FAIL;
|
||||
}
|
||||
}
|
||||
|
||||
// the seek function called by seven zip to seek inside stream
|
||||
static SZ_RESULT seekFunc(void *object, CFileSize pos)
|
||||
{
|
||||
try
|
||||
{
|
||||
CNel7ZipInStream *me = (CNel7ZipInStream*)object;
|
||||
bool ret= me->_Stream->seek(pos, NLMISC::IStream::begin);
|
||||
if (ret)
|
||||
return SZ_OK;
|
||||
else
|
||||
return SZE_FAIL;
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
return SZE_FAIL;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
bool CPatchManager::unpack7Zip(const std::string &sevenZipFile, const std::string &destFileName)
|
||||
{
|
||||
#ifdef RZ_USE_SEVENZIP
|
||||
nlinfo("Uncompressing 7zip archive '%s' to '%s'", sevenZipFile.c_str(), destFileName.c_str());
|
||||
|
||||
// init seven zip
|
||||
ISzAlloc allocImp;
|
||||
allocImp.Alloc = SzAlloc;
|
||||
allocImp.Free = SzFree;
|
||||
|
||||
ISzAlloc allocTempImp;
|
||||
allocTempImp.Alloc = SzAllocTemp;
|
||||
allocTempImp.Free = SzFreeTemp;
|
||||
|
||||
// wrap file in a CIFile
|
||||
CIFile input(sevenZipFile);
|
||||
CNel7ZipInStream inStr(&input);
|
||||
|
||||
#ifdef RZ_USE_NEW_LZMA
|
||||
|
||||
CLookToRead lookStream;
|
||||
lookStream.realStream = &inStr;
|
||||
LookToRead_CreateVTable(&lookStream, False);
|
||||
LookToRead_Init(&lookStream);
|
||||
|
||||
CrcGenerateTable();
|
||||
|
||||
CSzArEx db;
|
||||
SzArEx_Init(&db);
|
||||
|
||||
// unpack the file using the 7zip API
|
||||
SRes res = SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp);
|
||||
|
||||
if (res != SZ_OK)
|
||||
{
|
||||
nlerror("Failed to open archive file %s", sevenZipFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
if (db.NumFiles != 1)
|
||||
{
|
||||
nlerror("Seven zip archive with more than 1 file are unsupported");
|
||||
return false;
|
||||
}
|
||||
|
||||
UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */
|
||||
Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */
|
||||
size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */
|
||||
|
||||
size_t offset;
|
||||
size_t outSizeProcessed = 0;
|
||||
|
||||
// get the first file
|
||||
res = SzArEx_Extract(&db, &lookStream.s, 0,
|
||||
&blockIndex, &outBuffer, &outBufferSize,
|
||||
&offset, &outSizeProcessed,
|
||||
&allocImp, &allocTempImp);
|
||||
|
||||
// get the length of first file
|
||||
size_t nameLen = SzArEx_GetFileNameUtf16(&db, 0, NULL);
|
||||
|
||||
ucstring filename;
|
||||
filename.resize(nameLen);
|
||||
|
||||
// write filename into ucstring
|
||||
SzArEx_GetFileNameUtf16(&db, 0, &filename[0]);
|
||||
|
||||
// write the extracted file
|
||||
FILE *outputHandle = fopen(destFileName.c_str(), "wb+");
|
||||
|
||||
if (outputHandle == 0)
|
||||
{
|
||||
nlerror("Can not open output file '%s'", destFileName.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
UInt32 processedSize = (UInt32)fwrite(outBuffer + offset, 1, outSizeProcessed, outputHandle);
|
||||
|
||||
if (processedSize != outSizeProcessed)
|
||||
{
|
||||
nlerror("Failed to write %u char to output file '%s'", outSizeProcessed-processedSize, destFileName.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
fclose(outputHandle);
|
||||
|
||||
IAlloc_Free(&allocImp, outBuffer);
|
||||
|
||||
// free 7z context
|
||||
SzArEx_Free(&db, &allocImp);
|
||||
|
||||
#else
|
||||
|
||||
InitCrcTable();
|
||||
|
||||
CArchiveDatabaseEx db;
|
||||
SzArDbExInit(&db);
|
||||
|
||||
// unpack the file using the 7zip API
|
||||
SZ_RESULT res = SzArchiveOpen(&inStr, &db, &allocImp, &allocTempImp);
|
||||
|
||||
if (res != SZ_OK)
|
||||
{
|
||||
nlerror("Failed to open archive file %s", sevenZipFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
if (db.Database.NumFiles != 1)
|
||||
{
|
||||
nlerror("Seven zip archive with more than 1 file are unsupported");
|
||||
return false;
|
||||
}
|
||||
|
||||
UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */
|
||||
Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */
|
||||
size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */
|
||||
|
||||
size_t offset;
|
||||
size_t outSizeProcessed = 0;
|
||||
|
||||
// get the first file
|
||||
CFileItem *f = db.Database.Files;
|
||||
res = SzExtract(&inStr, &db, 0,
|
||||
&blockIndex, &outBuffer, &outBufferSize,
|
||||
&offset, &outSizeProcessed,
|
||||
&allocImp, &allocTempImp);
|
||||
|
||||
// write the extracted file
|
||||
FILE *outputHandle;
|
||||
UInt32 processedSize;
|
||||
char *fileName = f->Name;
|
||||
size_t nameLen = strlen(f->Name);
|
||||
for (; nameLen > 0; nameLen--)
|
||||
{
|
||||
if (f->Name[nameLen - 1] == '/')
|
||||
{
|
||||
fileName = f->Name + nameLen;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
outputHandle = fopen(destFileName.c_str(), "wb+");
|
||||
|
||||
if (outputHandle == 0)
|
||||
{
|
||||
nlerror("Can not open output file '%s'", destFileName.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
processedSize = (UInt32)fwrite(outBuffer + offset, 1, outSizeProcessed, outputHandle);
|
||||
|
||||
if (processedSize != outSizeProcessed)
|
||||
{
|
||||
nlerror("Failed to write %u char to output file '%s'", outSizeProcessed-processedSize, destFileName.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
fclose(outputHandle);
|
||||
allocImp.Free(outBuffer);
|
||||
|
||||
// free 7z context
|
||||
SzArDbExFree(&db, allocImp.Free);
|
||||
|
||||
#endif
|
||||
|
||||
// ok, all is fine, file is unpacked
|
||||
return true;
|
||||
#else
|
||||
return false;
|
||||
#endif
|
||||
}
|
||||
|
||||
bool CPatchManager::unpackLZMA(const std::string &lzmaFile, const std::string &destFileName)
|
||||
{
|
||||
#ifdef RZ_USE_SEVENZIP
|
||||
nldebug("unpackLZMA : decompression the lzma file '%s' into output file '%s", lzmaFile.c_str(), destFileName.c_str());
|
||||
|
||||
CIFile inStream(lzmaFile);
|
||||
uint32 inSize = inStream.getFileSize();
|
||||
|
||||
#ifdef RZ_USE_NEW_LZMA
|
||||
|
||||
if (inSize < LZMA_PROPS_SIZE + 8)
|
||||
{
|
||||
nlwarning("Invalid file size, too small file '%s'", lzmaFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
// read the compressed file in buffer
|
||||
auto_ptr<uint8> inBuffer = auto_ptr<uint8>(new uint8[inSize]);
|
||||
inStream.serialBuffer(inBuffer.get(), inSize);
|
||||
|
||||
uint8 *pos = inBuffer.get();
|
||||
|
||||
pos += LZMA_PROPS_SIZE;
|
||||
|
||||
// read the output file size
|
||||
size_t fileSize = 0;
|
||||
|
||||
for (int i = 0; i < 8; ++i)
|
||||
{
|
||||
if (pos >= inBuffer.get()+inSize)
|
||||
{
|
||||
nlassert(false);
|
||||
return false;
|
||||
}
|
||||
|
||||
fileSize |= ((UInt64)*pos++) << (8 * i);
|
||||
}
|
||||
|
||||
// allocators
|
||||
ISzAlloc allocImp;
|
||||
allocImp.Alloc = SzAlloc;
|
||||
allocImp.Free = SzFree;
|
||||
|
||||
CLzmaDec state;
|
||||
LzmaDec_Construct(&state);
|
||||
|
||||
// allocate and decode props and probs
|
||||
SRes res = LzmaDec_Allocate(&state, inBuffer.get(), LZMA_PROPS_SIZE, &allocImp);
|
||||
|
||||
if (res != 0)
|
||||
{
|
||||
nlwarning("Failed to decode lzma properies in file '%s'!", lzmaFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
// allocate the output buffer
|
||||
auto_ptr<uint8> outBuffer = auto_ptr<uint8>(new uint8[fileSize]);
|
||||
|
||||
// in and out file sizes
|
||||
SizeT outProcessed = fileSize;
|
||||
SizeT inProcessed = (SizeT)(inSize-(pos-inBuffer.get()));
|
||||
|
||||
LzmaDec_Init(&state);
|
||||
|
||||
// decompress the file in memory
|
||||
ELzmaStatus status;
|
||||
res = LzmaDec_DecodeToBuf(&state, (Byte*)outBuffer.get(), &outProcessed, (Byte*)pos, &inProcessed, LZMA_FINISH_ANY, &status);
|
||||
|
||||
// free memory
|
||||
LzmaDec_Free(&state, &allocImp);
|
||||
|
||||
if (res != 0 || outProcessed != fileSize)
|
||||
{
|
||||
nlwarning("Failed to decode lzma file '%s' with status %d", lzmaFile.c_str(), (sint)status);
|
||||
return false;
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
auto_ptr<uint8> inBuffer = auto_ptr<uint8>(new uint8[inSize]);
|
||||
inStream.serialBuffer(inBuffer.get(), inSize);
|
||||
|
||||
CLzmaDecoderState state;
|
||||
|
||||
uint8 *pos = inBuffer.get();
|
||||
|
||||
// read the lzma properties
|
||||
int res = LzmaDecodeProperties(&state.Properties, (unsigned char*) pos, LZMA_PROPERTIES_SIZE);
|
||||
if (res != 0)
|
||||
{
|
||||
nlwarning("Failed to decode lzma properies in file '%s'!", lzmaFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
if (inSize < LZMA_PROPERTIES_SIZE + 8)
|
||||
{
|
||||
nlwarning("Invalid file size, too small file '%s'", lzmaFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
// alloc the probs, making sure they are deleted in function exit
|
||||
size_t nbProb = LzmaGetNumProbs(&state.Properties);
|
||||
auto_ptr<CProb> probs = auto_ptr<CProb>(new CProb[nbProb]);
|
||||
state.Probs = probs.get();
|
||||
|
||||
pos += LZMA_PROPERTIES_SIZE;
|
||||
|
||||
// read the output file size
|
||||
size_t fileSize = 0;
|
||||
for (int i = 0; i < 8; i++)
|
||||
{
|
||||
if (pos >= inBuffer.get()+inSize)
|
||||
{
|
||||
nlassert(false);
|
||||
return false;
|
||||
}
|
||||
fileSize |= ((UInt64)*pos++) << (8 * i);
|
||||
}
|
||||
|
||||
SizeT outProcessed = 0;
|
||||
SizeT inProcessed = 0;
|
||||
|
||||
// allocate the output buffer
|
||||
auto_ptr<uint8> outBuffer = auto_ptr<uint8>(new uint8[fileSize]);
|
||||
|
||||
// decompress the file in memory
|
||||
res = LzmaDecode(&state, (unsigned char*) pos, (SizeT)(inSize-(pos-inBuffer.get())), &inProcessed, (unsigned char*)outBuffer.get(), (SizeT)fileSize, &outProcessed);
|
||||
|
||||
if (res != 0 || outProcessed != fileSize)
|
||||
{
|
||||
nlwarning("Failed to decode lzma file '%s'", lzmaFile.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
// store on output buffer
|
||||
COFile outStream(destFileName);
|
||||
outStream.serialBuffer(outBuffer.get(), (uint)fileSize);
|
||||
|
||||
return true;
|
||||
#else
|
||||
return false;
|
||||
#endif
|
||||
}
|
||||
Loading…
Reference in a new issue