Changed: Moved 7z/lzma code in login_patch_seven_zip.cpp

Fixed: Updated code to work with new versions of LZMA SDK

--HG--
branch : develop
This commit is contained in:
kervala 2016-01-09 15:53:25 +01:00
parent 54ee3d79e9
commit cc0174e800
2 changed files with 482 additions and 219 deletions

View file

@ -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
}
// ****************************************************************************
// ****************************************************************************

View 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
}