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1664 lines
53 KiB
1664 lines
53 KiB
#include "rar.hpp"
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CmdExtract::CmdExtract(CommandData *Cmd)
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{
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CmdExtract::Cmd=Cmd;
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*ArcName=0;
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*DestFileName=0;
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ArcAnalyzed=false;
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Analyze=new AnalyzeData;
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memset(Analyze,0,sizeof(*Analyze));
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TotalFileCount=0;
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// Common for all archives involved. Set here instead of DoExtract()
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// to use in unrar.dll too. Allows to avoid LinksToDirs() calls
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// and save CPU time in no symlinks including ".." in target were extracted.
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#if defined(_WIN_ALL)
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// We can't expand symlink path components in another symlink target
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// in Windows. We can't create symlinks in Android now. Even though we do not
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// really need LinksToDirs() calls in these systems, we still call it
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// for extra safety, but only if symlink with ".." in target was extracted.
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ConvertSymlinkPaths=false;
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#else
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// We enable it by default in Unix to care about the case when several
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// archives are unpacked to same directory with several independent RAR runs.
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// Worst case performance penalty for a lot of small files seems to be ~3%.
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ConvertSymlinkPaths=true;
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#endif
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Unp=new Unpack(&DataIO);
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#ifdef RAR_SMP
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Unp->SetThreads(Cmd->Threads);
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#endif
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}
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CmdExtract::~CmdExtract()
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{
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FreeAnalyzeData();
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delete Unp;
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delete Analyze;
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}
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void CmdExtract::FreeAnalyzeData()
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{
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for (size_t I=0;I<RefList.Size();I++)
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{
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// We can have undeleted temporary reference source here if extraction
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// was interrupted early or if user refused to overwrite prompt.
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if (RefList[I].TmpName!=NULL)
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DelFile(RefList[I].TmpName);
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free(RefList[I].RefName);
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free(RefList[I].TmpName);
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}
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RefList.Reset();
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memset(Analyze,0,sizeof(*Analyze));
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}
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void CmdExtract::DoExtract()
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{
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#if defined(_WIN_ALL) && !defined(SFX_MODULE) && !defined(SILENT)
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Fat32=NotFat32=false;
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#endif
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PasswordCancelled=false;
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DataIO.SetCurrentCommand(Cmd->Command[0]);
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if (*Cmd->UseStdin==0)
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{
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FindData FD;
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while (Cmd->GetArcName(ArcName,ASIZE(ArcName)))
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if (FindFile::FastFind(ArcName,&FD))
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DataIO.TotalArcSize+=FD.Size;
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}
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Cmd->ArcNames.Rewind();
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while (Cmd->GetArcName(ArcName,ASIZE(ArcName)))
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{
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if (Cmd->ManualPassword)
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Cmd->Password.Clean(); // Clean user entered password before processing next archive.
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ReconstructDone=false; // Must be reset here, not in ExtractArchiveInit().
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UseExactVolName=false; // Must be reset here, not in ExtractArchiveInit().
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while (true)
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{
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EXTRACT_ARC_CODE Code=ExtractArchive();
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if (Code!=EXTRACT_ARC_REPEAT)
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break;
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}
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DataIO.ProcessedArcSize+=DataIO.LastArcSize;
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}
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// Clean user entered password. Not really required, just for extra safety.
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if (Cmd->ManualPassword)
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Cmd->Password.Clean();
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if (TotalFileCount==0 && Cmd->Command[0]!='I' &&
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ErrHandler.GetErrorCode()!=RARX_BADPWD) // Not in case of wrong archive password.
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{
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if (!PasswordCancelled)
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uiMsg(UIERROR_NOFILESTOEXTRACT,ArcName);
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// Other error codes may explain a reason of "no files extracted" clearer,
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// so set it only if no other errors found (wrong mask set by user).
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if (ErrHandler.GetErrorCode()==RARX_SUCCESS)
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ErrHandler.SetErrorCode(RARX_NOFILES);
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}
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else
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if (!Cmd->DisableDone)
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if (Cmd->Command[0]=='I')
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mprintf(St(MDone));
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else
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if (ErrHandler.GetErrorCount()==0)
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mprintf(St(MExtrAllOk));
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else
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mprintf(St(MExtrTotalErr),ErrHandler.GetErrorCount());
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}
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void CmdExtract::ExtractArchiveInit(Archive &Arc)
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{
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DataIO.AdjustTotalArcSize(&Arc);
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FileCount=0;
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MatchedArgs=0;
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#ifndef SFX_MODULE
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FirstFile=true;
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#endif
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GlobalPassword=Cmd->Password.IsSet() || uiIsGlobalPasswordSet();
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DataIO.UnpVolume=false;
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PrevProcessed=false;
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AllMatchesExact=true;
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AnySolidDataUnpackedWell=false;
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ArcAnalyzed=false;
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StartTime.SetCurrentTime();
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LastCheckedSymlink.clear();
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}
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EXTRACT_ARC_CODE CmdExtract::ExtractArchive()
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{
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Archive Arc(Cmd);
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if (*Cmd->UseStdin!=0)
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{
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Arc.SetHandleType(FILE_HANDLESTD);
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#ifdef USE_QOPEN
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Arc.SetProhibitQOpen(true);
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#endif
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}
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else
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{
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#if defined(_WIN_ALL) && !defined(SFX_MODULE) // WinRAR GUI code also resets the cache.
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if (*Cmd->Command=='T' || Cmd->Test)
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ResetFileCache(ArcName); // Reset the file cache when testing an archive.
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#endif
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if (!Arc.WOpen(ArcName))
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return EXTRACT_ARC_NEXT;
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}
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if (!Arc.IsArchive(true))
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{
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#if !defined(SFX_MODULE) && !defined(RARDLL)
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if (CmpExt(ArcName,L"rev"))
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{
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wchar FirstVolName[NM];
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VolNameToFirstName(ArcName,FirstVolName,ASIZE(FirstVolName),true);
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// If several volume names from same volume set are specified
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// and current volume is not first in set and first volume is present
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// and specified too, let's skip the current volume.
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if (wcsicomp(ArcName,FirstVolName)!=0 && FileExist(FirstVolName) &&
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Cmd->ArcNames.Search(FirstVolName,false))
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return EXTRACT_ARC_NEXT;
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RecVolumesTest(Cmd,NULL,ArcName);
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TotalFileCount++; // Suppress "No files to extract" message.
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return EXTRACT_ARC_NEXT;
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}
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#endif
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mprintf(St(MNotRAR),ArcName);
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#ifndef SFX_MODULE
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if (CmpExt(ArcName,L"rar"))
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#endif
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ErrHandler.SetErrorCode(RARX_WARNING);
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return EXTRACT_ARC_NEXT;
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}
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if (Arc.FailedHeaderDecryption) // Bad archive password.
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return EXTRACT_ARC_NEXT;
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#ifndef SFX_MODULE
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if (Arc.Volume && !Arc.FirstVolume && !UseExactVolName)
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{
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wchar FirstVolName[NM];
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VolNameToFirstName(ArcName,FirstVolName,ASIZE(FirstVolName),Arc.NewNumbering);
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// If several volume names from same volume set are specified
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// and current volume is not first in set and first volume is present
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// and specified too, let's skip the current volume.
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if (wcsicomp(ArcName,FirstVolName)!=0 && FileExist(FirstVolName) &&
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Cmd->ArcNames.Search(FirstVolName,false))
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return EXTRACT_ARC_NEXT;
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}
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#endif
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Arc.ViewComment(); // Must be before possible EXTRACT_ARC_REPEAT.
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int64 VolumeSetSize=0; // Total size of volumes after the current volume.
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#ifndef SFX_MODULE
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if (!ArcAnalyzed && *Cmd->UseStdin==0)
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{
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AnalyzeArchive(Arc.FileName,Arc.Volume,Arc.NewNumbering);
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ArcAnalyzed=true; // Avoid repeated analysis on EXTRACT_ARC_REPEAT.
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}
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#endif
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if (Arc.Volume)
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{
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#ifndef SFX_MODULE
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// Try to speed up extraction for independent solid volumes by starting
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// extraction from non-first volume if we can.
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if (*Analyze->StartName!=0)
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{
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wcsncpyz(ArcName,Analyze->StartName,ASIZE(ArcName));
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*Analyze->StartName=0;
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UseExactVolName=true;
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return EXTRACT_ARC_REPEAT;
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}
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#endif
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// Calculate the total size of all accessible volumes.
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// This size is necessary to display the correct total progress indicator.
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wchar NextName[NM];
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wcsncpyz(NextName,Arc.FileName,ASIZE(NextName));
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while (true)
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{
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// First volume is already added to DataIO.TotalArcSize
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// in initial TotalArcSize calculation in DoExtract.
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// So we skip it and start from second volume.
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NextVolumeName(NextName,ASIZE(NextName),!Arc.NewNumbering);
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FindData FD;
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if (FindFile::FastFind(NextName,&FD))
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VolumeSetSize+=FD.Size;
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else
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break;
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}
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DataIO.TotalArcSize+=VolumeSetSize;
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}
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ExtractArchiveInit(Arc);
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if (*Cmd->Command=='T' || *Cmd->Command=='I')
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Cmd->Test=true;
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if (*Cmd->Command=='I')
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{
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Cmd->DisablePercentage=true;
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}
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else
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uiStartArchiveExtract(!Cmd->Test,ArcName);
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#ifndef SFX_MODULE
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if (Analyze->StartPos!=0)
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{
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Arc.Seek(Analyze->StartPos,SEEK_SET);
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Analyze->StartPos=0;
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}
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#endif
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while (1)
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{
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size_t Size=Arc.ReadHeader();
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bool Repeat=false;
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if (!ExtractCurrentFile(Arc,Size,Repeat))
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if (Repeat)
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{
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// If we started extraction from not first volume and need to
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// restart it from first, we must set DataIO.TotalArcSize to size
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// of new first volume to display the total progress correctly.
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FindData NewArc;
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if (FindFile::FastFind(ArcName,&NewArc))
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DataIO.TotalArcSize=NewArc.Size;
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return EXTRACT_ARC_REPEAT;
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}
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else
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break;
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}
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#if !defined(SFX_MODULE) && !defined(RARDLL)
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if (Cmd->Test && Arc.Volume)
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RecVolumesTest(Cmd,&Arc,ArcName);
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#endif
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return EXTRACT_ARC_NEXT;
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}
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bool CmdExtract::ExtractCurrentFile(Archive &Arc,size_t HeaderSize,bool &Repeat)
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{
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wchar Command=Cmd->Command[0];
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if (HeaderSize==0)
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if (DataIO.UnpVolume)
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{
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#ifdef NOVOLUME
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return false;
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#else
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// Supposing we unpack an old RAR volume without the end of archive
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// record and last file is not split between volumes.
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if (!MergeArchive(Arc,&DataIO,false,Command))
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{
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ErrHandler.SetErrorCode(RARX_WARNING);
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return false;
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}
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#endif
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}
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else
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return false;
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HEADER_TYPE HeaderType=Arc.GetHeaderType();
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if (HeaderType==HEAD_FILE)
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{
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// Unlike Arc.FileName, ArcName might store an old volume name here.
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if (Analyze->EndPos!=0 && Analyze->EndPos==Arc.CurBlockPos &&
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(*Analyze->EndName==0 || wcscmp(Analyze->EndName,Arc.FileName)==0))
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return false;
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}
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else
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{
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#ifndef SFX_MODULE
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if (Arc.Format==RARFMT15 && HeaderType==HEAD3_OLDSERVICE && PrevProcessed)
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SetExtraInfo20(Cmd,Arc,DestFileName);
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#endif
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if (HeaderType==HEAD_SERVICE && PrevProcessed)
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SetExtraInfo(Cmd,Arc,DestFileName);
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if (HeaderType==HEAD_ENDARC)
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if (Arc.EndArcHead.NextVolume)
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{
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#ifdef NOVOLUME
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return false;
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#else
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if (!MergeArchive(Arc,&DataIO,false,Command))
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{
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ErrHandler.SetErrorCode(RARX_WARNING);
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return false;
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}
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Arc.Seek(Arc.CurBlockPos,SEEK_SET);
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return true;
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#endif
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}
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else
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return false;
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Arc.SeekToNext();
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return true;
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}
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PrevProcessed=false;
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// We can get negative sizes in corrupt archive and it is unacceptable
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// for size comparisons in ComprDataIO::UnpRead, where we cast sizes
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// to size_t and can exceed another read or available size. We could fix it
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// when reading an archive. But we prefer to do it here, because this
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// function is called directly in unrar.dll, so we fix bad parameters
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// passed to dll. Also we want to see real negative sizes in the listing
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// of corrupt archive. To prevent uninitialized data access perform
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// these checks after rejecting zero length and non-file headers above.
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if (Arc.FileHead.PackSize<0)
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Arc.FileHead.PackSize=0;
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if (Arc.FileHead.UnpSize<0)
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Arc.FileHead.UnpSize=0;
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// 2022.03.20: We might remove this check in the future.
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// It duplicates Analyze->EndPos and Analyze->EndName in all cases except
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// volumes on removable media.
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if (!Cmd->Recurse && MatchedArgs>=Cmd->FileArgs.ItemsCount() && AllMatchesExact)
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return false;
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int MatchType=MATCH_WILDSUBPATH;
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bool EqualNames=false;
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wchar MatchedArg[NM];
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int MatchNumber=Cmd->IsProcessFile(Arc.FileHead,&EqualNames,MatchType,0,MatchedArg,ASIZE(MatchedArg));
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bool MatchFound=MatchNumber!=0;
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#ifndef SFX_MODULE
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if (Cmd->ExclPath==EXCL_BASEPATH)
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{
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wcsncpyz(Cmd->ArcPath,MatchedArg,ASIZE(Cmd->ArcPath));
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*PointToName(Cmd->ArcPath)=0;
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if (IsWildcard(Cmd->ArcPath)) // Cannot correctly process path*\* masks here.
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*Cmd->ArcPath=0;
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}
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#endif
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if (MatchFound && !EqualNames)
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AllMatchesExact=false;
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Arc.ConvertAttributes();
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#if !defined(SFX_MODULE) && !defined(RARDLL)
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if (Arc.FileHead.SplitBefore && FirstFile && !UseExactVolName)
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{
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wchar CurVolName[NM];
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wcsncpyz(CurVolName,ArcName,ASIZE(CurVolName));
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GetFirstVolIfFullSet(ArcName,Arc.NewNumbering,ArcName,ASIZE(ArcName));
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if (wcsicomp(ArcName,CurVolName)!=0 && FileExist(ArcName))
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{
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wcsncpyz(Cmd->ArcName,ArcName,ASIZE(ArcName)); // For GUI "Delete archive after extraction".
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// If first volume name does not match the current name and if such
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// volume name really exists, let's unpack from this first volume.
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Repeat=true;
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return false;
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}
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#ifndef RARDLL
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if (!ReconstructDone)
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{
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ReconstructDone=true;
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if (RecVolumesRestore(Cmd,Arc.FileName,true))
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{
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Repeat=true;
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return false;
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}
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}
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#endif
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wcsncpyz(ArcName,CurVolName,ASIZE(ArcName));
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}
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#endif
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wchar ArcFileName[NM];
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ConvertPath(Arc.FileHead.FileName,ArcFileName,ASIZE(ArcFileName));
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if (Arc.FileHead.Version)
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{
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if (Cmd->VersionControl!=1 && !EqualNames)
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{
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if (Cmd->VersionControl==0)
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MatchFound=false;
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int Version=ParseVersionFileName(ArcFileName,false);
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if (Cmd->VersionControl-1==Version)
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ParseVersionFileName(ArcFileName,true);
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else
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MatchFound=false;
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}
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}
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else
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if (!Arc.IsArcDir() && Cmd->VersionControl>1)
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MatchFound=false;
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DataIO.UnpVolume=Arc.FileHead.SplitAfter;
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DataIO.NextVolumeMissing=false;
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Arc.Seek(Arc.NextBlockPos-Arc.FileHead.PackSize,SEEK_SET);
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bool ExtrFile=false;
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bool SkipSolid=false;
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#ifndef SFX_MODULE
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if (FirstFile && (MatchFound || Arc.Solid) && Arc.FileHead.SplitBefore)
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{
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if (MatchFound)
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{
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uiMsg(UIERROR_NEEDPREVVOL,Arc.FileName,ArcFileName);
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#ifdef RARDLL
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Cmd->DllError=ERAR_BAD_DATA;
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#endif
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ErrHandler.SetErrorCode(RARX_OPEN);
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}
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MatchFound=false;
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}
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FirstFile=false;
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#endif
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|
|
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bool RefTarget=false;
|
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if (!MatchFound)
|
|
for (size_t I=0;I<RefList.Size();I++)
|
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if (wcscmp(ArcFileName,RefList[I].RefName)==0)
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{
|
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ExtractRef *MatchedRef=&RefList[I];
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|
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if (!Cmd->Test) // While harmless, it is useless for 't'.
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{
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// If reference source isn't selected, but target is selected,
|
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// we unpack the source under the temporary name and then rename
|
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// or copy it to target name. We do not unpack it under the target
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// name immediately, because the same source can be used by multiple
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// targets and it is possible that first target isn't unpacked
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// for some reason. Also targets might have associated service blocks
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// like ACLs. All this would complicate processing a lot.
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wcsncpyz(DestFileName,*Cmd->TempPath!=0 ? Cmd->TempPath:Cmd->ExtrPath,ASIZE(DestFileName));
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AddEndSlash(DestFileName,ASIZE(DestFileName));
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wcsncatz(DestFileName,L"__tmp_reference_source_",ASIZE(DestFileName));
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MkTemp(DestFileName,ASIZE(DestFileName));
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MatchedRef->TmpName=wcsdup(DestFileName);
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}
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RefTarget=true; // Need it even for 't' to test the reference source.
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break;
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}
|
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|
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if (Arc.FileHead.Encrypted && Cmd->SkipEncrypted)
|
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if (Arc.Solid)
|
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return false; // Abort the entire extraction for solid archive.
|
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else
|
|
MatchFound=false; // Skip only the current file for non-solid archive.
|
|
|
|
if (MatchFound || RefTarget || (SkipSolid=Arc.Solid)!=0)
|
|
{
|
|
// First common call of uiStartFileExtract. It is done before overwrite
|
|
// prompts, so if SkipSolid state is changed below, we'll need to make
|
|
// additional uiStartFileExtract calls with updated parameters.
|
|
if (!uiStartFileExtract(ArcFileName,!Cmd->Test,Cmd->Test && Command!='I',SkipSolid))
|
|
return false;
|
|
|
|
if (!RefTarget)
|
|
ExtrPrepareName(Arc,ArcFileName,DestFileName,ASIZE(DestFileName));
|
|
|
|
// DestFileName can be set empty in case of excessive -ap switch.
|
|
ExtrFile=!SkipSolid && *DestFileName!=0 && !Arc.FileHead.SplitBefore;
|
|
|
|
if ((Cmd->FreshFiles || Cmd->UpdateFiles) && (Command=='E' || Command=='X'))
|
|
{
|
|
FindData FD;
|
|
if (FindFile::FastFind(DestFileName,&FD))
|
|
{
|
|
if (FD.mtime >= Arc.FileHead.mtime)
|
|
{
|
|
// If directory already exists and its modification time is newer
|
|
// than start of extraction, it is likely it was created
|
|
// when creating a path to one of already extracted items.
|
|
// In such case we'll better update its time even if archived
|
|
// directory is older.
|
|
|
|
if (!FD.IsDir || FD.mtime<StartTime)
|
|
ExtrFile=false;
|
|
}
|
|
}
|
|
else
|
|
if (Cmd->FreshFiles)
|
|
ExtrFile=false;
|
|
}
|
|
|
|
if (!CheckUnpVer(Arc,ArcFileName))
|
|
{
|
|
ErrHandler.SetErrorCode(RARX_FATAL);
|
|
#ifdef RARDLL
|
|
Cmd->DllError=ERAR_UNKNOWN_FORMAT;
|
|
#endif
|
|
Arc.SeekToNext();
|
|
return !Arc.Solid; // Can try extracting next file only in non-solid archive.
|
|
}
|
|
|
|
if (Arc.FileHead.Encrypted)
|
|
{
|
|
RarCheckPassword CheckPwd;
|
|
if (Arc.Format==RARFMT50 && Arc.FileHead.UsePswCheck && !Arc.BrokenHeader)
|
|
CheckPwd.Set(Arc.FileHead.Salt,Arc.FileHead.InitV,Arc.FileHead.Lg2Count,Arc.FileHead.PswCheck);
|
|
|
|
while (true) // Repeat the password prompt for wrong and empty passwords.
|
|
{
|
|
// Stop archive extracting if user cancelled a password prompt.
|
|
#ifdef RARDLL
|
|
if (!ExtrDllGetPassword())
|
|
{
|
|
Cmd->DllError=ERAR_MISSING_PASSWORD;
|
|
return false;
|
|
}
|
|
#else
|
|
if (!ExtrGetPassword(Arc,ArcFileName,CheckPwd.IsSet() ? &CheckPwd:NULL))
|
|
{
|
|
PasswordCancelled=true;
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
// Set a password before creating the file, so we can skip creating
|
|
// in case of wrong password.
|
|
SecPassword FilePassword=Cmd->Password;
|
|
#if defined(_WIN_ALL) && !defined(SFX_MODULE)
|
|
ConvertDosPassword(Arc,FilePassword);
|
|
#endif
|
|
|
|
byte PswCheck[SIZE_PSWCHECK];
|
|
DataIO.SetEncryption(false,Arc.FileHead.CryptMethod,&FilePassword,
|
|
Arc.FileHead.SaltSet ? Arc.FileHead.Salt:NULL,
|
|
Arc.FileHead.InitV,Arc.FileHead.Lg2Count,
|
|
Arc.FileHead.HashKey,PswCheck);
|
|
|
|
// If header is damaged, we cannot rely on password check value,
|
|
// because it can be damaged too.
|
|
if (Arc.FileHead.UsePswCheck && !Arc.BrokenHeader &&
|
|
memcmp(Arc.FileHead.PswCheck,PswCheck,SIZE_PSWCHECK)!=0)
|
|
{
|
|
if (GlobalPassword) // For -p<pwd> or Ctrl+P to avoid the infinite loop.
|
|
{
|
|
// This message is used by Android GUI to reset cached passwords.
|
|
// Update appropriate code if changed.
|
|
uiMsg(UIERROR_BADPSW,Arc.FileName,ArcFileName);
|
|
}
|
|
else // For passwords entered manually.
|
|
{
|
|
// This message is used by Android GUI and Windows GUI and SFX to
|
|
// reset cached passwords. Update appropriate code if changed.
|
|
uiMsg(UIWAIT_BADPSW,Arc.FileName,ArcFileName);
|
|
Cmd->Password.Clean();
|
|
|
|
// Avoid new requests for unrar.dll to prevent the infinite loop
|
|
// if app always returns the same password.
|
|
#ifndef RARDLL
|
|
continue; // Request a password again.
|
|
#endif
|
|
}
|
|
#ifdef RARDLL
|
|
// If we already have ERAR_EOPEN as result of missing volume,
|
|
// we should not replace it with less precise ERAR_BAD_PASSWORD.
|
|
if (Cmd->DllError!=ERAR_EOPEN)
|
|
Cmd->DllError=ERAR_BAD_PASSWORD;
|
|
#endif
|
|
ErrHandler.SetErrorCode(RARX_BADPWD);
|
|
ExtrFile=false;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
DataIO.SetEncryption(false,CRYPT_NONE,NULL,NULL,NULL,0,NULL,NULL);
|
|
|
|
#ifdef RARDLL
|
|
if (*Cmd->DllDestName!=0)
|
|
wcsncpyz(DestFileName,Cmd->DllDestName,ASIZE(DestFileName));
|
|
#endif
|
|
|
|
if (ExtrFile && Command!='P' && !Cmd->Test && !Cmd->AbsoluteLinks &&
|
|
ConvertSymlinkPaths)
|
|
ExtrFile=LinksToDirs(DestFileName,Cmd->ExtrPath,LastCheckedSymlink);
|
|
|
|
File CurFile;
|
|
|
|
bool LinkEntry=Arc.FileHead.RedirType!=FSREDIR_NONE;
|
|
if (LinkEntry && (Arc.FileHead.RedirType!=FSREDIR_FILECOPY))
|
|
{
|
|
if (ExtrFile && Command!='P' && !Cmd->Test)
|
|
{
|
|
// Overwrite prompt for symbolic and hard links and when we move
|
|
// a temporary file to the file reference instead of copying it.
|
|
bool UserReject=false;
|
|
if (FileExist(DestFileName) && !UserReject)
|
|
FileCreate(Cmd,NULL,DestFileName,ASIZE(DestFileName),&UserReject,Arc.FileHead.UnpSize,&Arc.FileHead.mtime);
|
|
if (UserReject)
|
|
ExtrFile=false;
|
|
}
|
|
}
|
|
else
|
|
if (Arc.IsArcDir())
|
|
{
|
|
if (!ExtrFile || Command=='P' || Command=='I' || Command=='E' || Cmd->ExclPath==EXCL_SKIPWHOLEPATH)
|
|
return true;
|
|
TotalFileCount++;
|
|
ExtrCreateDir(Arc,ArcFileName);
|
|
// It is important to not increment MatchedArgs here, so we extract
|
|
// dir with its entire contents and not dir record only even if
|
|
// dir record precedes files.
|
|
return true;
|
|
}
|
|
else
|
|
if (ExtrFile) // Create files and file copies (FSREDIR_FILECOPY).
|
|
ExtrFile=ExtrCreateFile(Arc,CurFile);
|
|
|
|
if (!ExtrFile && Arc.Solid)
|
|
{
|
|
SkipSolid=true;
|
|
ExtrFile=true;
|
|
|
|
// We changed SkipSolid, so we need to call uiStartFileExtract
|
|
// with "Skip" parameter to change the operation status
|
|
// from "extracting" to "skipping". For example, it can be necessary
|
|
// if user answered "No" to overwrite prompt when unpacking
|
|
// a solid archive.
|
|
if (!uiStartFileExtract(ArcFileName,false,false,true))
|
|
return false;
|
|
}
|
|
if (ExtrFile)
|
|
{
|
|
// Set it in test mode, so we also test subheaders such as NTFS streams
|
|
// after tested file.
|
|
if (Cmd->Test)
|
|
PrevProcessed=true;
|
|
|
|
bool TestMode=Cmd->Test || SkipSolid; // Unpack to memory, not to disk.
|
|
|
|
if (!SkipSolid)
|
|
{
|
|
if (!TestMode && Command!='P' && CurFile.IsDevice())
|
|
{
|
|
uiMsg(UIERROR_INVALIDNAME,Arc.FileName,DestFileName);
|
|
ErrHandler.WriteError(Arc.FileName,DestFileName);
|
|
}
|
|
TotalFileCount++;
|
|
}
|
|
FileCount++;
|
|
if (Command!='I' && !Cmd->DisableNames)
|
|
if (SkipSolid)
|
|
mprintf(St(MExtrSkipFile),ArcFileName);
|
|
else
|
|
switch(Cmd->Test ? 'T':Command) // "Test" can be also enabled by -t switch.
|
|
{
|
|
case 'T':
|
|
mprintf(St(MExtrTestFile),ArcFileName);
|
|
break;
|
|
#ifndef SFX_MODULE
|
|
case 'P':
|
|
mprintf(St(MExtrPrinting),ArcFileName);
|
|
break;
|
|
#endif
|
|
case 'X':
|
|
case 'E':
|
|
mprintf(St(MExtrFile),DestFileName);
|
|
break;
|
|
}
|
|
if (!Cmd->DisablePercentage && !Cmd->DisableNames)
|
|
mprintf(L" ");
|
|
if (Cmd->DisableNames)
|
|
uiEolAfterMsg(); // Avoid erasing preceding messages by percentage indicator in -idn mode.
|
|
|
|
DataIO.CurUnpRead=0;
|
|
DataIO.CurUnpWrite=0;
|
|
DataIO.UnpHash.Init(Arc.FileHead.FileHash.Type,Cmd->Threads);
|
|
DataIO.PackedDataHash.Init(Arc.FileHead.FileHash.Type,Cmd->Threads);
|
|
DataIO.SetPackedSizeToRead(Arc.FileHead.PackSize);
|
|
DataIO.SetFiles(&Arc,&CurFile);
|
|
DataIO.SetTestMode(TestMode);
|
|
DataIO.SetSkipUnpCRC(SkipSolid);
|
|
|
|
#if defined(_WIN_ALL) && !defined(SFX_MODULE) && !defined(SILENT)
|
|
if (!TestMode && !Arc.BrokenHeader &&
|
|
Arc.FileHead.UnpSize>0xffffffff && (Fat32 || !NotFat32))
|
|
{
|
|
if (!Fat32) // Not detected yet.
|
|
NotFat32=!(Fat32=IsFAT(Cmd->ExtrPath));
|
|
if (Fat32)
|
|
uiMsg(UIMSG_FAT32SIZE); // Inform user about FAT32 size limit.
|
|
}
|
|
#endif
|
|
|
|
uint64 Preallocated=0;
|
|
if (!TestMode && !Arc.BrokenHeader && Arc.FileHead.UnpSize>1000000 &&
|
|
Arc.FileHead.PackSize*1024>Arc.FileHead.UnpSize && Arc.IsSeekable() &&
|
|
(Arc.FileHead.UnpSize<100000000 || Arc.FileLength()>Arc.FileHead.PackSize))
|
|
{
|
|
CurFile.Prealloc(Arc.FileHead.UnpSize);
|
|
Preallocated=Arc.FileHead.UnpSize;
|
|
}
|
|
CurFile.SetAllowDelete(!Cmd->KeepBroken);
|
|
|
|
bool FileCreateMode=!TestMode && !SkipSolid && Command!='P';
|
|
bool ShowChecksum=true; // Display checksum verification result.
|
|
|
|
bool LinkSuccess=true; // Assume success for test mode.
|
|
if (LinkEntry)
|
|
{
|
|
FILE_SYSTEM_REDIRECT Type=Arc.FileHead.RedirType;
|
|
|
|
if (Type==FSREDIR_HARDLINK || Type==FSREDIR_FILECOPY)
|
|
{
|
|
wchar RedirName[NM];
|
|
|
|
// 2022.11.15: Might be needed when unpacking WinRAR 5.0 links with
|
|
// Unix RAR. WinRAR 5.0 used \ path separators here, when beginning
|
|
// from 5.10 even Windows version uses / internally and converts
|
|
// them to \ when reading FHEXTRA_REDIR.
|
|
// We must perform this conversion before ConvertPath call,
|
|
// so paths mixing different slashes like \dir1/dir2\file are
|
|
// processed correctly.
|
|
SlashToNative(Arc.FileHead.RedirName,RedirName,ASIZE(RedirName));
|
|
|
|
ConvertPath(RedirName,RedirName,ASIZE(RedirName));
|
|
|
|
wchar NameExisting[NM];
|
|
ExtrPrepareName(Arc,RedirName,NameExisting,ASIZE(NameExisting));
|
|
if (FileCreateMode && *NameExisting!=0) // *NameExisting can be 0 in case of excessive -ap switch.
|
|
if (Type==FSREDIR_HARDLINK)
|
|
LinkSuccess=ExtractHardlink(Cmd,DestFileName,NameExisting,ASIZE(NameExisting));
|
|
else
|
|
LinkSuccess=ExtractFileCopy(CurFile,Arc.FileName,RedirName,DestFileName,NameExisting,ASIZE(NameExisting),Arc.FileHead.UnpSize);
|
|
}
|
|
else
|
|
if (Type==FSREDIR_UNIXSYMLINK || Type==FSREDIR_WINSYMLINK || Type==FSREDIR_JUNCTION)
|
|
{
|
|
if (FileCreateMode)
|
|
{
|
|
bool UpLink;
|
|
LinkSuccess=ExtractSymlink(Cmd,DataIO,Arc,DestFileName,UpLink);
|
|
ConvertSymlinkPaths|=LinkSuccess && UpLink;
|
|
|
|
// We do not actually need to reset the cache here if we cache
|
|
// only the single last checked path, because at this point
|
|
// it will always contain the link own path and link can't
|
|
// overwrite its parent folder. But if we ever decide to cache
|
|
// several already checked paths, we'll need to reset them here.
|
|
// Otherwise if no files were created in one of such paths,
|
|
// let's say because of file create error, it might be possible
|
|
// to overwrite the path with link and avoid checks. We keep this
|
|
// code here as a reminder in case of possible modifications.
|
|
LastCheckedSymlink.clear(); // Reset cache for safety reason.
|
|
}
|
|
}
|
|
else
|
|
{
|
|
uiMsg(UIERROR_UNKNOWNEXTRA,Arc.FileName,ArcFileName);
|
|
LinkSuccess=false;
|
|
}
|
|
|
|
if (!LinkSuccess || Arc.Format==RARFMT15 && !FileCreateMode)
|
|
{
|
|
// RAR 5.x links have a valid data checksum even in case of
|
|
// failure, because they do not store any data.
|
|
// We do not want to display "OK" in this case.
|
|
// For 4.x symlinks we verify the checksum only when extracting,
|
|
// but not when testing an archive.
|
|
ShowChecksum=false;
|
|
}
|
|
PrevProcessed=FileCreateMode && LinkSuccess;
|
|
}
|
|
else
|
|
if (!Arc.FileHead.SplitBefore)
|
|
if (Arc.FileHead.Method==0)
|
|
UnstoreFile(DataIO,Arc.FileHead.UnpSize);
|
|
else
|
|
{
|
|
Unp->Init(Arc.FileHead.WinSize,Arc.FileHead.Solid);
|
|
Unp->SetDestSize(Arc.FileHead.UnpSize);
|
|
#ifndef SFX_MODULE
|
|
// RAR 1.3 - 1.5 archives do not set per file solid flag.
|
|
if (Arc.Format!=RARFMT50 && Arc.FileHead.UnpVer<=15)
|
|
Unp->DoUnpack(15,FileCount>1 && Arc.Solid);
|
|
else
|
|
#endif
|
|
Unp->DoUnpack(Arc.FileHead.UnpVer,Arc.FileHead.Solid);
|
|
}
|
|
|
|
Arc.SeekToNext();
|
|
|
|
// We check for "split after" flag to detect partially extracted files
|
|
// from incomplete volume sets. For them file header contains packed
|
|
// data hash, which must not be compared against unpacked data hash
|
|
// to prevent accidental match. Moreover, for -m0 volumes packed data
|
|
// hash would match truncated unpacked data hash and lead to fake "OK"
|
|
// in incomplete volume set.
|
|
bool ValidCRC=!Arc.FileHead.SplitAfter && DataIO.UnpHash.Cmp(&Arc.FileHead.FileHash,Arc.FileHead.UseHashKey ? Arc.FileHead.HashKey:NULL);
|
|
|
|
// We set AnySolidDataUnpackedWell to true if we found at least one
|
|
// valid non-zero solid file in preceding solid stream. If it is true
|
|
// and if current encrypted file is broken, we do not need to hint
|
|
// about a wrong password and can report CRC error only.
|
|
if (!Arc.FileHead.Solid)
|
|
AnySolidDataUnpackedWell=false; // Reset the flag, because non-solid file is found.
|
|
else
|
|
if (Arc.FileHead.Method!=0 && Arc.FileHead.UnpSize>0 && ValidCRC)
|
|
AnySolidDataUnpackedWell=true;
|
|
|
|
bool BrokenFile=false;
|
|
|
|
// Checksum is not calculated in skip solid mode for performance reason.
|
|
if (!SkipSolid && ShowChecksum)
|
|
{
|
|
if (ValidCRC)
|
|
{
|
|
if (Command!='P' && Command!='I' && !Cmd->DisableNames)
|
|
mprintf(L"%s%s ",Cmd->DisablePercentage ? L" ":L"\b\b\b\b\b ",
|
|
Arc.FileHead.FileHash.Type==HASH_NONE ? L" ?":St(MOk));
|
|
}
|
|
else
|
|
{
|
|
if (Arc.FileHead.Encrypted && (!Arc.FileHead.UsePswCheck ||
|
|
Arc.BrokenHeader) && !AnySolidDataUnpackedWell)
|
|
uiMsg(UIERROR_CHECKSUMENC,Arc.FileName,ArcFileName);
|
|
else
|
|
uiMsg(UIERROR_CHECKSUM,Arc.FileName,ArcFileName);
|
|
BrokenFile=true;
|
|
ErrHandler.SetErrorCode(RARX_CRC);
|
|
#ifdef RARDLL
|
|
// If we already have ERAR_EOPEN as result of missing volume
|
|
// or ERAR_BAD_PASSWORD for RAR5 wrong password,
|
|
// we should not replace it with less precise ERAR_BAD_DATA.
|
|
if (Cmd->DllError!=ERAR_EOPEN && Cmd->DllError!=ERAR_BAD_PASSWORD)
|
|
Cmd->DllError=ERAR_BAD_DATA;
|
|
#endif
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// We check SkipSolid to remove percent for skipped solid files only.
|
|
// We must not apply these \b to links with ShowChecksum==false
|
|
// and their possible error messages.
|
|
if (SkipSolid)
|
|
mprintf(L"\b\b\b\b\b ");
|
|
}
|
|
|
|
// If we successfully unpacked a hard link, we wish to set its file
|
|
// attributes. Hard link shares file metadata with link target,
|
|
// so we do not need to set link time or owner. But when we overwrite
|
|
// an existing link, we can call PrepareToDelete(), which affects
|
|
// link target attributes as well. So we set link attributes to restore
|
|
// both target and link attributes if PrepareToDelete() changed them.
|
|
bool SetAttrOnly=LinkEntry && Arc.FileHead.RedirType==FSREDIR_HARDLINK && LinkSuccess;
|
|
|
|
if (!TestMode && (Command=='X' || Command=='E') &&
|
|
(!LinkEntry || SetAttrOnly || Arc.FileHead.RedirType==FSREDIR_FILECOPY && LinkSuccess) &&
|
|
(!BrokenFile || Cmd->KeepBroken))
|
|
{
|
|
// Below we use DestFileName instead of CurFile.FileName,
|
|
// so we can set file attributes also for hard links, which do not
|
|
// have the open CurFile. These strings are the same for other items.
|
|
|
|
if (!SetAttrOnly)
|
|
{
|
|
// We could preallocate more space that really written to broken file
|
|
// or file with crafted header.
|
|
if (Preallocated>0 && (BrokenFile || DataIO.CurUnpWrite!=Preallocated))
|
|
CurFile.Truncate();
|
|
|
|
|
|
CurFile.SetOpenFileTime(
|
|
Cmd->xmtime==EXTTIME_NONE ? NULL:&Arc.FileHead.mtime,
|
|
Cmd->xctime==EXTTIME_NONE ? NULL:&Arc.FileHead.ctime,
|
|
Cmd->xatime==EXTTIME_NONE ? NULL:&Arc.FileHead.atime);
|
|
CurFile.Close();
|
|
|
|
SetFileHeaderExtra(Cmd,Arc,DestFileName);
|
|
|
|
CurFile.SetCloseFileTime(
|
|
Cmd->xmtime==EXTTIME_NONE ? NULL:&Arc.FileHead.mtime,
|
|
Cmd->xatime==EXTTIME_NONE ? NULL:&Arc.FileHead.atime);
|
|
}
|
|
|
|
#if defined(_WIN_ALL) && !defined(SFX_MODULE)
|
|
if (Cmd->SetCompressedAttr &&
|
|
(Arc.FileHead.FileAttr & FILE_ATTRIBUTE_COMPRESSED)!=0)
|
|
SetFileCompression(DestFileName,true);
|
|
if (Cmd->ClearArc)
|
|
Arc.FileHead.FileAttr&=~FILE_ATTRIBUTE_ARCHIVE;
|
|
#endif
|
|
if (!Cmd->IgnoreGeneralAttr && !SetFileAttr(DestFileName,Arc.FileHead.FileAttr))
|
|
{
|
|
uiMsg(UIERROR_FILEATTR,Arc.FileName,DestFileName);
|
|
// Android cannot set file attributes and while UIERROR_FILEATTR
|
|
// above is handled by Android RAR silently, this call would cause
|
|
// "Operation not permitted" message for every unpacked file.
|
|
ErrHandler.SysErrMsg();
|
|
}
|
|
|
|
PrevProcessed=true;
|
|
}
|
|
}
|
|
}
|
|
// It is important to increment it for files, but not dirs. So we extract
|
|
// dir with its entire contents, not just dir record only even if dir
|
|
// record precedes files.
|
|
if (MatchFound)
|
|
MatchedArgs++;
|
|
if (DataIO.NextVolumeMissing)
|
|
return false;
|
|
if (!ExtrFile)
|
|
if (!Arc.Solid)
|
|
Arc.SeekToNext();
|
|
else
|
|
if (!SkipSolid)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
|
|
void CmdExtract::UnstoreFile(ComprDataIO &DataIO,int64 DestUnpSize)
|
|
{
|
|
Array<byte> Buffer(File::CopyBufferSize());
|
|
while (true)
|
|
{
|
|
int ReadSize=DataIO.UnpRead(&Buffer[0],Buffer.Size());
|
|
if (ReadSize<=0)
|
|
break;
|
|
int WriteSize=ReadSize<DestUnpSize ? ReadSize:(int)DestUnpSize;
|
|
if (WriteSize>0)
|
|
{
|
|
DataIO.UnpWrite(&Buffer[0],WriteSize);
|
|
DestUnpSize-=WriteSize;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
bool CmdExtract::ExtractFileCopy(File &New,wchar *ArcName,const wchar *RedirName,wchar *NameNew,wchar *NameExisting,size_t NameExistingSize,int64 UnpSize)
|
|
{
|
|
File Existing;
|
|
if (!Existing.Open(NameExisting))
|
|
{
|
|
bool OpenFailed=true;
|
|
// If we couldn't find the existing file, check if match is present
|
|
// in temporary reference sources list.
|
|
for (size_t I=0;I<RefList.Size();I++)
|
|
if (wcscmp(RedirName,RefList[I].RefName)==0 && RefList[I].TmpName!=NULL)
|
|
{
|
|
// If only one reference left targeting to this temporary file,
|
|
// it is faster to move the file instead of copying and deleting it.
|
|
bool RefMove=RefList[I].RefCount-- == 1;
|
|
NameExisting=RefList[I].TmpName;
|
|
if (RefMove) // Only one reference left for this temporary file.
|
|
{
|
|
New.Delete(); // Delete the previously opened destination file.
|
|
// Try moving the file first.
|
|
bool MoveFailed=!RenameFile(NameExisting,NameNew);
|
|
if (MoveFailed)
|
|
{
|
|
// If move failed, re-create the destination and try coping.
|
|
if (!New.WCreate(NameNew,FMF_WRITE|FMF_SHAREREAD))
|
|
return false;
|
|
RefMove=false; // Try copying below.
|
|
}
|
|
else
|
|
{
|
|
// If moved successfully, reopen the destination file and seek to
|
|
// end for SetOpenFileTime() and possible Truncate() calls later.
|
|
if (New.Open(NameNew))
|
|
New.Seek(0,SEEK_END);
|
|
// We already moved the file, so clean the name to not try
|
|
// deleting non-existent temporary file later.
|
|
free(RefList[I].TmpName);
|
|
RefList[I].TmpName=NULL;
|
|
return true;
|
|
}
|
|
}
|
|
if (!RefMove)
|
|
OpenFailed=!Existing.Open(NameExisting);
|
|
break;
|
|
}
|
|
|
|
if (OpenFailed)
|
|
{
|
|
ErrHandler.OpenErrorMsg(NameExisting);
|
|
uiMsg(UIERROR_FILECOPY,ArcName,NameExisting,NameNew);
|
|
uiMsg(UIERROR_FILECOPYHINT,ArcName);
|
|
#ifdef RARDLL
|
|
Cmd->DllError=ERAR_EREFERENCE;
|
|
#endif
|
|
return false;
|
|
}
|
|
}
|
|
|
|
Array<byte> Buffer(0x100000);
|
|
int64 CopySize=0;
|
|
|
|
while (true)
|
|
{
|
|
Wait();
|
|
int ReadSize=Existing.Read(&Buffer[0],Buffer.Size());
|
|
if (ReadSize==0)
|
|
break;
|
|
// Update only the current file progress in WinRAR, set the total to 0
|
|
// to keep it as is. It looks better for WinRAR.
|
|
uiExtractProgress(CopySize,UnpSize,0,0);
|
|
|
|
New.Write(&Buffer[0],ReadSize);
|
|
CopySize+=ReadSize;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
void CmdExtract::ExtrPrepareName(Archive &Arc,const wchar *ArcFileName,wchar *DestName,size_t DestSize)
|
|
{
|
|
if (Cmd->Test)
|
|
{
|
|
// Destination name conversion isn't needed for simple archive test.
|
|
// This check also allows to avoid issuing "Attempting to correct...
|
|
// Renaming..." messages in MakeNameCompatible() below for problematic
|
|
// names like aux.txt when testing an archive.
|
|
wcsncpyz(DestName,ArcFileName,DestSize);
|
|
return;
|
|
}
|
|
|
|
wcsncpyz(DestName,Cmd->ExtrPath,DestSize);
|
|
|
|
if (*Cmd->ExtrPath!=0)
|
|
{
|
|
wchar LastChar=*PointToLastChar(Cmd->ExtrPath);
|
|
// We need IsPathDiv check here to correctly handle Unix forward slash
|
|
// in the end of destination path in Windows: rar x arc dest/
|
|
// so we call IsPathDiv first instead of just calling AddEndSlash,
|
|
// which checks for only one type of path separator.
|
|
// IsDriveDiv is needed for current drive dir: rar x arc d:
|
|
if (!IsPathDiv(LastChar) && !IsDriveDiv(LastChar))
|
|
{
|
|
// Destination path can be without trailing slash if it come from GUI shell.
|
|
AddEndSlash(DestName,DestSize);
|
|
}
|
|
}
|
|
|
|
#ifndef SFX_MODULE
|
|
if (Cmd->AppendArcNameToPath!=APPENDARCNAME_NONE)
|
|
{
|
|
switch(Cmd->AppendArcNameToPath)
|
|
{
|
|
case APPENDARCNAME_DESTPATH: // To subdir of destination path.
|
|
wcsncatz(DestName,PointToName(Arc.FirstVolumeName),DestSize);
|
|
SetExt(DestName,NULL,DestSize);
|
|
break;
|
|
case APPENDARCNAME_OWNSUBDIR: // To subdir of archive own dir.
|
|
wcsncpyz(DestName,Arc.FirstVolumeName,DestSize);
|
|
SetExt(DestName,NULL,DestSize);
|
|
break;
|
|
case APPENDARCNAME_OWNDIR: // To archive own dir.
|
|
wcsncpyz(DestName,Arc.FirstVolumeName,DestSize);
|
|
RemoveNameFromPath(DestName);
|
|
break;
|
|
}
|
|
AddEndSlash(DestName,DestSize);
|
|
}
|
|
#endif
|
|
|
|
#ifndef SFX_MODULE
|
|
wchar *ArcPath=*Cmd->ExclArcPath!=0 ? Cmd->ExclArcPath:Cmd->ArcPath;
|
|
size_t ArcPathLength=wcslen(ArcPath);
|
|
if (ArcPathLength>0)
|
|
{
|
|
size_t NameLength=wcslen(ArcFileName);
|
|
if (NameLength>=ArcPathLength && wcsnicompc(ArcPath,ArcFileName,ArcPathLength)==0 &&
|
|
(IsPathDiv(ArcPath[ArcPathLength-1]) ||
|
|
IsPathDiv(ArcFileName[ArcPathLength]) || ArcFileName[ArcPathLength]==0))
|
|
{
|
|
ArcFileName+=Min(ArcPathLength,NameLength);
|
|
while (IsPathDiv(*ArcFileName))
|
|
ArcFileName++;
|
|
if (*ArcFileName==0) // Excessive -ap switch.
|
|
{
|
|
*DestName=0;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
wchar Command=Cmd->Command[0];
|
|
// Use -ep3 only in systems, where disk letters are exist, not in Unix.
|
|
bool AbsPaths=Cmd->ExclPath==EXCL_ABSPATH && Command=='X' && IsDriveDiv(':');
|
|
|
|
// We do not use any user specified destination paths when extracting
|
|
// absolute paths in -ep3 mode.
|
|
if (AbsPaths)
|
|
*DestName=0;
|
|
|
|
if (Command=='E' || Cmd->ExclPath==EXCL_SKIPWHOLEPATH)
|
|
wcsncatz(DestName,PointToName(ArcFileName),DestSize);
|
|
else
|
|
wcsncatz(DestName,ArcFileName,DestSize);
|
|
|
|
#ifdef _WIN_ALL
|
|
// Must do after Cmd->ArcPath processing above, so file name and arc path
|
|
// trailing spaces are in sync.
|
|
if (!Cmd->AllowIncompatNames)
|
|
MakeNameCompatible(DestName,DestSize);
|
|
#endif
|
|
|
|
wchar DiskLetter=toupperw(DestName[0]);
|
|
|
|
if (AbsPaths)
|
|
{
|
|
if (DestName[1]=='_' && IsPathDiv(DestName[2]) &&
|
|
DiskLetter>='A' && DiskLetter<='Z')
|
|
DestName[1]=':';
|
|
else
|
|
if (DestName[0]=='_' && DestName[1]=='_')
|
|
{
|
|
// Convert __server\share to \\server\share.
|
|
DestName[0]=CPATHDIVIDER;
|
|
DestName[1]=CPATHDIVIDER;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef RARDLL
|
|
bool CmdExtract::ExtrDllGetPassword()
|
|
{
|
|
if (!Cmd->Password.IsSet())
|
|
{
|
|
if (Cmd->Callback!=NULL)
|
|
{
|
|
wchar PasswordW[MAXPASSWORD];
|
|
*PasswordW=0;
|
|
if (Cmd->Callback(UCM_NEEDPASSWORDW,Cmd->UserData,(LPARAM)PasswordW,ASIZE(PasswordW))==-1)
|
|
*PasswordW=0;
|
|
if (*PasswordW==0)
|
|
{
|
|
char PasswordA[MAXPASSWORD];
|
|
*PasswordA=0;
|
|
if (Cmd->Callback(UCM_NEEDPASSWORD,Cmd->UserData,(LPARAM)PasswordA,ASIZE(PasswordA))==-1)
|
|
*PasswordA=0;
|
|
GetWideName(PasswordA,NULL,PasswordW,ASIZE(PasswordW));
|
|
cleandata(PasswordA,sizeof(PasswordA));
|
|
}
|
|
Cmd->Password.Set(PasswordW);
|
|
cleandata(PasswordW,sizeof(PasswordW));
|
|
Cmd->ManualPassword=true;
|
|
}
|
|
if (!Cmd->Password.IsSet())
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifndef RARDLL
|
|
bool CmdExtract::ExtrGetPassword(Archive &Arc,const wchar *ArcFileName,RarCheckPassword *CheckPwd)
|
|
{
|
|
if (!Cmd->Password.IsSet())
|
|
{
|
|
if (!uiGetPassword(UIPASSWORD_FILE,ArcFileName,&Cmd->Password,CheckPwd)/* || !Cmd->Password.IsSet()*/)
|
|
{
|
|
// Suppress "test is ok" message if user cancelled the password prompt.
|
|
uiMsg(UIERROR_INCERRCOUNT);
|
|
return false;
|
|
}
|
|
Cmd->ManualPassword=true;
|
|
}
|
|
#if !defined(SILENT)
|
|
else
|
|
if (!GlobalPassword && !Arc.FileHead.Solid)
|
|
{
|
|
eprintf(St(MUseCurPsw),ArcFileName);
|
|
switch(Cmd->AllYes ? 1 : Ask(St(MYesNoAll)))
|
|
{
|
|
case -1:
|
|
ErrHandler.Exit(RARX_USERBREAK);
|
|
case 2:
|
|
if (!uiGetPassword(UIPASSWORD_FILE,ArcFileName,&Cmd->Password,CheckPwd))
|
|
return false;
|
|
break;
|
|
case 3:
|
|
GlobalPassword=true;
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
|
|
#if defined(_WIN_ALL) && !defined(SFX_MODULE)
|
|
void CmdExtract::ConvertDosPassword(Archive &Arc,SecPassword &DestPwd)
|
|
{
|
|
if (Arc.Format==RARFMT15 && Arc.FileHead.HostOS==HOST_MSDOS)
|
|
{
|
|
// We need the password in OEM encoding if file was encrypted by
|
|
// native RAR/DOS (not extender based). Let's make the conversion.
|
|
wchar PlainPsw[MAXPASSWORD];
|
|
Cmd->Password.Get(PlainPsw,ASIZE(PlainPsw));
|
|
char PswA[MAXPASSWORD];
|
|
CharToOemBuffW(PlainPsw,PswA,ASIZE(PswA));
|
|
PswA[ASIZE(PswA)-1]=0;
|
|
CharToWide(PswA,PlainPsw,ASIZE(PlainPsw));
|
|
DestPwd.Set(PlainPsw);
|
|
cleandata(PlainPsw,sizeof(PlainPsw));
|
|
cleandata(PswA,sizeof(PswA));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
void CmdExtract::ExtrCreateDir(Archive &Arc,const wchar *ArcFileName)
|
|
{
|
|
if (Cmd->Test)
|
|
{
|
|
if (!Cmd->DisableNames)
|
|
{
|
|
mprintf(St(MExtrTestFile),ArcFileName);
|
|
mprintf(L" %s",St(MOk));
|
|
}
|
|
return;
|
|
}
|
|
|
|
MKDIR_CODE MDCode=MakeDir(DestFileName,!Cmd->IgnoreGeneralAttr,Arc.FileHead.FileAttr);
|
|
bool DirExist=false;
|
|
if (MDCode!=MKDIR_SUCCESS)
|
|
{
|
|
DirExist=FileExist(DestFileName);
|
|
if (DirExist && !IsDir(GetFileAttr(DestFileName)))
|
|
{
|
|
// File with name same as this directory exists. Propose user
|
|
// to overwrite it.
|
|
bool UserReject;
|
|
FileCreate(Cmd,NULL,DestFileName,ASIZE(DestFileName),&UserReject,Arc.FileHead.UnpSize,&Arc.FileHead.mtime);
|
|
DirExist=false;
|
|
}
|
|
if (!DirExist)
|
|
{
|
|
CreatePath(DestFileName,true,Cmd->DisableNames);
|
|
MDCode=MakeDir(DestFileName,!Cmd->IgnoreGeneralAttr,Arc.FileHead.FileAttr);
|
|
if (MDCode!=MKDIR_SUCCESS && !IsNameUsable(DestFileName))
|
|
{
|
|
uiMsg(UIMSG_CORRECTINGNAME,Arc.FileName);
|
|
wchar OrigName[ASIZE(DestFileName)];
|
|
wcsncpyz(OrigName,DestFileName,ASIZE(OrigName));
|
|
MakeNameUsable(DestFileName,true);
|
|
#ifndef SFX_MODULE
|
|
uiMsg(UIERROR_RENAMING,Arc.FileName,OrigName,DestFileName);
|
|
#endif
|
|
DirExist=FileExist(DestFileName) && IsDir(GetFileAttr(DestFileName));
|
|
if (!DirExist)
|
|
{
|
|
if (!Cmd->AbsoluteLinks && ConvertSymlinkPaths)
|
|
LinksToDirs(DestFileName,Cmd->ExtrPath,LastCheckedSymlink);
|
|
CreatePath(DestFileName,true,Cmd->DisableNames);
|
|
MDCode=MakeDir(DestFileName,!Cmd->IgnoreGeneralAttr,Arc.FileHead.FileAttr);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (MDCode==MKDIR_SUCCESS)
|
|
{
|
|
if (!Cmd->DisableNames)
|
|
{
|
|
mprintf(St(MCreatDir),DestFileName);
|
|
mprintf(L" %s",St(MOk));
|
|
}
|
|
PrevProcessed=true;
|
|
}
|
|
else
|
|
if (DirExist)
|
|
{
|
|
if (!Cmd->IgnoreGeneralAttr)
|
|
SetFileAttr(DestFileName,Arc.FileHead.FileAttr);
|
|
PrevProcessed=true;
|
|
}
|
|
else
|
|
{
|
|
uiMsg(UIERROR_DIRCREATE,Arc.FileName,DestFileName);
|
|
ErrHandler.SysErrMsg();
|
|
#ifdef RARDLL
|
|
Cmd->DllError=ERAR_ECREATE;
|
|
#endif
|
|
ErrHandler.SetErrorCode(RARX_CREATE);
|
|
}
|
|
if (PrevProcessed)
|
|
{
|
|
#if defined(_WIN_ALL) && !defined(SFX_MODULE)
|
|
if (Cmd->SetCompressedAttr &&
|
|
(Arc.FileHead.FileAttr & FILE_ATTRIBUTE_COMPRESSED)!=0 && WinNT()!=WNT_NONE)
|
|
SetFileCompression(DestFileName,true);
|
|
#endif
|
|
SetFileHeaderExtra(Cmd,Arc,DestFileName);
|
|
SetDirTime(DestFileName,
|
|
Cmd->xmtime==EXTTIME_NONE ? NULL:&Arc.FileHead.mtime,
|
|
Cmd->xctime==EXTTIME_NONE ? NULL:&Arc.FileHead.ctime,
|
|
Cmd->xatime==EXTTIME_NONE ? NULL:&Arc.FileHead.atime);
|
|
}
|
|
}
|
|
|
|
|
|
bool CmdExtract::ExtrCreateFile(Archive &Arc,File &CurFile)
|
|
{
|
|
bool Success=true;
|
|
wchar Command=Cmd->Command[0];
|
|
#if !defined(SFX_MODULE)
|
|
if (Command=='P')
|
|
CurFile.SetHandleType(FILE_HANDLESTD);
|
|
#endif
|
|
if ((Command=='E' || Command=='X') && !Cmd->Test)
|
|
{
|
|
bool UserReject;
|
|
// Specify "write only" mode to avoid OpenIndiana NAS problems
|
|
// with SetFileTime and read+write files.
|
|
if (!FileCreate(Cmd,&CurFile,DestFileName,ASIZE(DestFileName),&UserReject,Arc.FileHead.UnpSize,&Arc.FileHead.mtime,true))
|
|
{
|
|
Success=false;
|
|
if (!UserReject)
|
|
{
|
|
ErrHandler.CreateErrorMsg(Arc.FileName,DestFileName);
|
|
if (FileExist(DestFileName) && IsDir(GetFileAttr(DestFileName)))
|
|
uiMsg(UIERROR_DIRNAMEEXISTS);
|
|
|
|
#ifdef RARDLL
|
|
Cmd->DllError=ERAR_ECREATE;
|
|
#endif
|
|
if (!IsNameUsable(DestFileName))
|
|
{
|
|
uiMsg(UIMSG_CORRECTINGNAME,Arc.FileName);
|
|
|
|
wchar OrigName[ASIZE(DestFileName)];
|
|
wcsncpyz(OrigName,DestFileName,ASIZE(OrigName));
|
|
|
|
MakeNameUsable(DestFileName,true);
|
|
|
|
if (!Cmd->AbsoluteLinks && ConvertSymlinkPaths)
|
|
LinksToDirs(DestFileName,Cmd->ExtrPath,LastCheckedSymlink);
|
|
CreatePath(DestFileName,true,Cmd->DisableNames);
|
|
if (FileCreate(Cmd,&CurFile,DestFileName,ASIZE(DestFileName),&UserReject,Arc.FileHead.UnpSize,&Arc.FileHead.mtime,true))
|
|
{
|
|
#ifndef SFX_MODULE
|
|
uiMsg(UIERROR_RENAMING,Arc.FileName,OrigName,DestFileName);
|
|
#endif
|
|
Success=true;
|
|
}
|
|
else
|
|
ErrHandler.CreateErrorMsg(Arc.FileName,DestFileName);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return Success;
|
|
}
|
|
|
|
|
|
bool CmdExtract::CheckUnpVer(Archive &Arc,const wchar *ArcFileName)
|
|
{
|
|
bool WrongVer;
|
|
if (Arc.Format==RARFMT50) // Both SFX and RAR can unpack RAR 5.0 archives.
|
|
WrongVer=Arc.FileHead.UnpVer>VER_UNPACK5;
|
|
else
|
|
{
|
|
#ifdef SFX_MODULE // SFX can unpack only RAR 2.9 archives.
|
|
WrongVer=Arc.FileHead.UnpVer!=VER_UNPACK;
|
|
#else // All formats since 1.3 for RAR.
|
|
WrongVer=Arc.FileHead.UnpVer<13 || Arc.FileHead.UnpVer>VER_UNPACK;
|
|
#endif
|
|
}
|
|
|
|
// We can unpack stored files regardless of compression version field.
|
|
if (Arc.FileHead.Method==0)
|
|
WrongVer=false;
|
|
|
|
if (WrongVer)
|
|
{
|
|
ErrHandler.UnknownMethodMsg(Arc.FileName,ArcFileName);
|
|
uiMsg(UIERROR_NEWERRAR,Arc.FileName);
|
|
}
|
|
return !WrongVer;
|
|
}
|
|
|
|
|
|
#ifndef SFX_MODULE
|
|
// Find non-matched reference sources in solid and non-solid archives.
|
|
// Detect the optimal start position for semi-solid archives
|
|
// and optimal start volume for independent solid volumes.
|
|
//
|
|
// Alternatively we could collect references while extracting an archive
|
|
// and perform the second extraction pass for references only.
|
|
// But it would be slower for solid archives than scaning headers
|
|
// in first pass and extracting everything in second, as implemented now.
|
|
//
|
|
void CmdExtract::AnalyzeArchive(const wchar *ArcName,bool Volume,bool NewNumbering)
|
|
{
|
|
FreeAnalyzeData(); // If processing non-first archive in multiple archives set.
|
|
|
|
wchar *ArgName=Cmd->FileArgs.GetString();
|
|
Cmd->FileArgs.Rewind();
|
|
if (ArgName!=NULL && (wcscmp(ArgName,L"*")==0 || wcscmp(ArgName,L"*.*")==0))
|
|
return; // No need to check further for * and *.* masks.
|
|
|
|
// Start search from first volume if all volumes preceding current are available.
|
|
wchar NextName[NM];
|
|
if (Volume)
|
|
GetFirstVolIfFullSet(ArcName,NewNumbering,NextName,ASIZE(NextName));
|
|
else
|
|
wcsncpyz(NextName,ArcName,ASIZE(NextName));
|
|
|
|
bool MatchFound=false;
|
|
bool PrevMatched=false;
|
|
bool OpenNext=false;
|
|
|
|
bool FirstVolume=true;
|
|
|
|
// We shall set FirstFile once for all volumes and not for each volume.
|
|
// So we do not reuse the outdated Analyze->StartPos from previous volume
|
|
// if extracted file resides completely in the beginning of current one.
|
|
bool FirstFile=true;
|
|
|
|
while (true)
|
|
{
|
|
Archive Arc(Cmd);
|
|
if (!Arc.Open(NextName) || !Arc.IsArchive(false))
|
|
{
|
|
if (OpenNext)
|
|
{
|
|
// If we couldn't open trailing volumes, we can't set early exit
|
|
// parameters. It is possible that some volume are on removable media
|
|
// and will be provided by user when extracting.
|
|
*Analyze->EndName=0;
|
|
Analyze->EndPos=0;
|
|
}
|
|
break;
|
|
}
|
|
|
|
OpenNext=false;
|
|
while (Arc.ReadHeader()>0)
|
|
{
|
|
Wait();
|
|
|
|
HEADER_TYPE HeaderType=Arc.GetHeaderType();
|
|
if (HeaderType==HEAD_ENDARC)
|
|
{
|
|
OpenNext|=Arc.EndArcHead.NextVolume; // Allow open next volume.
|
|
break;
|
|
}
|
|
if (HeaderType==HEAD_FILE)
|
|
{
|
|
if ((Arc.Format==RARFMT14 || Arc.Format==RARFMT15) && Arc.FileHead.UnpVer<=15)
|
|
{
|
|
// RAR versions earlier than 2.0 do not set per file solid flag.
|
|
// They have only the global archive solid flag, so we can't
|
|
// reliably analyze them here.
|
|
OpenNext=false;
|
|
break;
|
|
}
|
|
|
|
if (!Arc.FileHead.SplitBefore)
|
|
{
|
|
if (!MatchFound && !Arc.FileHead.Solid) // Can start extraction from here.
|
|
{
|
|
// We would gain nothing and unnecessarily complicate extraction
|
|
// if we set StartName for first volume or StartPos for first
|
|
// archived file.
|
|
if (!FirstVolume)
|
|
wcsncpyz(Analyze->StartName,NextName,ASIZE(Analyze->StartName));
|
|
|
|
// We shall set FirstFile once for all volumes for this code
|
|
// to work properly. Alternatively we could append
|
|
// "|| Analyze->StartPos!=0" to the condition, so we do not reuse
|
|
// the outdated Analyze->StartPos value from previous volume.
|
|
if (!FirstFile)
|
|
Analyze->StartPos=Arc.CurBlockPos;
|
|
}
|
|
|
|
if (Cmd->IsProcessFile(Arc.FileHead,NULL,MATCH_WILDSUBPATH,0,NULL,0)!=0)
|
|
{
|
|
MatchFound = true;
|
|
PrevMatched = true;
|
|
|
|
// Reset the previously set early exit position, if any, because
|
|
// we found a new matched file.
|
|
Analyze->EndPos=0;
|
|
|
|
// Matched file reference pointing at maybe non-matched source file.
|
|
// Even though we know RedirName, we can't check if source file
|
|
// is certainly non-matched, because it can be filtered out by
|
|
// date or attributes, which we do not know here.
|
|
if (Arc.FileHead.RedirType==FSREDIR_FILECOPY)
|
|
{
|
|
bool AlreadyAdded=false;
|
|
for (size_t I=0;I<RefList.Size();I++)
|
|
if (wcscmp(Arc.FileHead.RedirName,RefList[I].RefName)==0)
|
|
{
|
|
// Increment the reference count if we added such reference
|
|
// source earlier.
|
|
RefList[I].RefCount++;
|
|
AlreadyAdded=true;
|
|
break;
|
|
}
|
|
|
|
// Limit the maximum size of reference sources list to some
|
|
// sensible value to prevent the excessive memory allocation.
|
|
size_t MaxListSize=1000000;
|
|
|
|
if (!AlreadyAdded && RefList.Size()<MaxListSize)
|
|
{
|
|
ExtractRef Ref={0};
|
|
Ref.RefName=wcsdup(Arc.FileHead.RedirName);
|
|
Ref.RefCount=1;
|
|
RefList.Push(Ref);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (PrevMatched) // First non-matched item after matched.
|
|
{
|
|
// We would perform the unnecessarily string comparison
|
|
// when extracting if we set this value for first volume
|
|
// or non-volume archive.
|
|
if (!FirstVolume)
|
|
wcsncpyz(Analyze->EndName,NextName,ASIZE(Analyze->EndName));
|
|
Analyze->EndPos=Arc.CurBlockPos;
|
|
}
|
|
PrevMatched=false;
|
|
}
|
|
}
|
|
|
|
FirstFile=false;
|
|
if (Arc.FileHead.SplitAfter)
|
|
{
|
|
OpenNext=true; // Allow open next volume.
|
|
break;
|
|
}
|
|
}
|
|
Arc.SeekToNext();
|
|
}
|
|
Arc.Close();
|
|
|
|
if (Volume && OpenNext)
|
|
{
|
|
NextVolumeName(NextName,ASIZE(NextName),!Arc.NewNumbering);
|
|
FirstVolume=false;
|
|
|
|
// Needed for multivolume archives. Added in case some 'break'
|
|
// will quit early from loop above, so we do not set it in the loop.
|
|
// Now it can happen for hypothetical archive without file records
|
|
// and with HEAD_ENDARC record.
|
|
FirstFile=false;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
// If file references are present, we can't reliably skip in semi-solid
|
|
// archives, because reference source can be present in skipped data.
|
|
if (RefList.Size()!=0)
|
|
memset(Analyze,0,sizeof(*Analyze));
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifndef SFX_MODULE
|
|
// Return the first volume name if all volumes preceding the specified
|
|
// are available. Otherwise return the specified volume name.
|
|
void CmdExtract::GetFirstVolIfFullSet(const wchar *SrcName,bool NewNumbering,wchar *DestName,size_t DestSize)
|
|
{
|
|
wchar FirstVolName[NM];
|
|
VolNameToFirstName(SrcName,FirstVolName,ASIZE(FirstVolName),NewNumbering);
|
|
wchar NextName[NM];
|
|
wcsncpyz(NextName,FirstVolName,ASIZE(NextName));
|
|
wchar ResultName[NM];
|
|
wcsncpyz(ResultName,SrcName,ASIZE(ResultName));
|
|
while (true)
|
|
{
|
|
if (wcscmp(SrcName,NextName)==0)
|
|
{
|
|
wcsncpyz(ResultName,FirstVolName,DestSize);
|
|
break;
|
|
}
|
|
if (!FileExist(NextName))
|
|
break;
|
|
NextVolumeName(NextName,ASIZE(NextName),!NewNumbering);
|
|
}
|
|
wcsncpyz(DestName,ResultName,DestSize);
|
|
}
|
|
|
|
#endif |