mirror of
https://github.com/uroni/urbackup_backend.git
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157 lines
4.0 KiB
C++
157 lines
4.0 KiB
C++
/*************************************************************************
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* UrBackup - Client/Server backup system
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* Copyright (C) 2011-2014 Martin Raiber
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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**************************************************************************/
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#include "FSImageFactory.h"
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#include "../Interface/Server.h"
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#include "../Interface/File.h"
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#include "fs/ntfs.h"
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#ifdef _WIN32
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#include "fs/ntfs_win.h"
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#define FSNTFS FSNTFSWIN
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#endif
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#include "fs/unknown.h"
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#include "vhdfile.h"
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#include "../stringtools.h"
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#ifdef _WIN32
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#include <Windows.h>
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#else
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#include <errno.h>
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#endif
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void PrintInfo(IFilesystem *fs)
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{
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Server->Log("FSINFO: blocksize="+nconvert(fs->getBlocksize())+" size="+nconvert(fs->getSize())+" has_error="+nconvert(fs->hasError())+" used_space="+nconvert(fs->calculateUsedSpace()), LL_DEBUG);
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}
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IFilesystem *FSImageFactory::createFilesystem(const std::wstring &pDev)
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{
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IFile *dev=Server->openFile(pDev, MODE_READ_DEVICE);
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if(dev==NULL)
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{
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int last_error;
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#ifdef _WIN32
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last_error=GetLastError();
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#else
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last_error=errno;
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#endif
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Server->Log(L"Error opening device file ("+pDev+L") Errorcode: "+convert(last_error), LL_ERROR);
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return NULL;
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}
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char buffer[1024];
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_u32 rc=dev->Read(buffer, 1024);
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if(rc!=1024)
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{
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Server->Log(L"Error reading data from device ("+pDev+L")", LL_ERROR);
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return NULL;
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}
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Server->destroy(dev);
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if(isNTFS(buffer) )
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{
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Server->Log(L"Filesystem type is ntfs ("+pDev+L")", LL_DEBUG);
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FSNTFS *fs=new FSNTFS(pDev);
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/*
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int64 idx=0;
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while(idx<fs->getSize()/fs->getBlocksize())
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{
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std::string b1;
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std::string b2;
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int64 idx_start=idx;
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for(size_t i=0;i<100;++i)
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{
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b1+=nconvert((int)fs->readBlock(idx, NULL));
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b2+=nconvert((int)fs2->readBlock(idx, NULL));
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++idx;
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}
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if(b1!=b2)
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{
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Server->Log(nconvert(idx_start)+" fs1: "+b1, LL_DEBUG);
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Server->Log(nconvert(idx_start)+" fs2: "+b2, LL_DEBUG);
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}
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}*/
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if(fs->hasError())
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{
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Server->Log("NTFS has error", LL_WARNING);
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delete fs;
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Server->Log("Unknown filesystem type", LL_DEBUG);
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FSUnknown *fs2=new FSUnknown(pDev);
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if(fs2->hasError())
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{
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delete fs2;
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return NULL;
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}
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PrintInfo(fs2);
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return fs2;
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}
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PrintInfo(fs);
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return fs;
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}
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else
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{
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Server->Log("Unknown filesystem type", LL_DEBUG);
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FSUnknown *fs=new FSUnknown(pDev);
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if(fs->hasError())
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{
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delete fs;
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return NULL;
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}
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PrintInfo(fs);
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return fs;
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}
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}
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bool FSImageFactory::isNTFS(char *buffer)
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{
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if(buffer[3]=='N' && buffer[4]=='T' && buffer[5]=='F' && buffer[6]=='S')
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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void FSImageFactory::destroyFilesystem(IFilesystem *fs)
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{
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delete fs;
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}
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IVHDFile *FSImageFactory::createVHDFile(const std::wstring &fn, bool pRead_only, uint64 pDstsize,
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unsigned int pBlocksize, bool fast_mode, CompressionSetting compress)
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{
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return new VHDFile(fn, pRead_only, pDstsize, pBlocksize, fast_mode, compress!=CompressionSetting_None);
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}
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IVHDFile *FSImageFactory::createVHDFile(const std::wstring &fn, const std::wstring &parent_fn,
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bool pRead_only, bool fast_mode, CompressionSetting compress)
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{
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return new VHDFile(fn, parent_fn, pRead_only, fast_mode, compress!=CompressionSetting_None);
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}
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void FSImageFactory::destroyVHDFile(IVHDFile *vhd)
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{
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delete ((VHDFile*)vhd);
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}
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