// Extra data stored directly in file header.
void SetFileHeaderExtra(CommandData *Cmd,Archive &Arc,wchar *Name)
{
#ifdef _UNIX
if (Cmd->ProcessOwners && Arc.Format==RARFMT50 && Arc.FileHead.UnixOwnerSet)
SetUnixOwner(Arc,Name);
#endif
}
bool CmdExtract::ExtractCurrentFile(Archive &Arc,size_t HeaderSize,bool &Repeat)
{
wchar Command=Cmd->Command[0];
if (HeaderSize==0)
{
if (DataIO.UnpVolume)
{
#ifdef NOVOLUME
return false;
#else
// Supposing we unpack an old RAR volume without end of archive record
// and last file is not split between volumes.
if (!MergeArchive(Arc,&DataIO,false,Command))
{
ErrHandler.SetErrorCode(RARX_WARNING);
return false;
}
#endif
}
else
return false;
}
HEADER_TYPE HeaderType=Arc.GetHeaderType();
if (HeaderType!=HEAD_FILE)
{
#ifndef SFX_MODULE
if (HeaderType==HEAD3_OLDSERVICE && PrevExtracted)
SetExtraInfo20(Cmd,Arc,DestFileName);
#endif
if (HeaderType==HEAD_SERVICE && PrevExtracted)
SetExtraInfo(Cmd,Arc,DestFileName);
if (HeaderType==HEAD_ENDARC)
{
if (Arc.EndArcHead.NextVolume)
{
#ifndef NOVOLUME
if (!MergeArchive(Arc,&DataIO,false,Command))
{
ErrHandler.SetErrorCode(RARX_WARNING);
return false;
}
#endif
Arc.Seek(Arc.CurBlockPos,SEEK_SET);
return true;
}
else
return false;
}
Arc.SeekToNext();
return true;
}
PrevExtracted=false;
if (!Cmd->Recurse && MatchedArgs>=Cmd->FileArgs.ItemsCount() && AllMatchesExact)
return false;
int MatchType=MATCH_WILDSUBPATH;
bool EqualNames=false;
wchar MatchedArg[NM];
int MatchNumber=Cmd->IsProcessFile(Arc.FileHead,&EqualNames,MatchType,MatchedArg,ASIZE(MatchedArg));
bool MatchFound=MatchNumber!=0;
#ifndef SFX_MODULE
if (Cmd->ExclPath==EXCL_BASEPATH)
{
wcsncpyz(Cmd->ArcPath,MatchedArg,ASIZE(Cmd->ArcPath));
*PointToName(Cmd->ArcPath)=0;
if (IsWildcard(Cmd->ArcPath)) // Cannot correctly process path*\* masks here.
*Cmd->ArcPath=0;
}
#endif
if (MatchFound && !EqualNames)
AllMatchesExact=false;
Arc.ConvertAttributes();
#if !defined(SFX_MODULE) && !defined(RARDLL)
if (Arc.FileHead.SplitBefore && FirstFile)
{
wchar CurVolName[NM];
wcsncpyz(CurVolName,ArcName,ASIZE(CurVolName));
VolNameToFirstName(ArcName,ArcName,ASIZE(ArcName),Arc.NewNumbering);
if (wcsicomp(ArcName,CurVolName)!=0 && FileExist(ArcName))
{
// If first volume name does not match the current name and if such
// volume name really exists, let's unpack from this first volume.
Repeat=true;
return false;
}
#ifndef RARDLL
if (!ReconstructDone)
{
ReconstructDone=true;
if (RecVolumesRestore(Cmd,Arc.FileName,true))
{
Repeat=true;
return false;
}
}
#endif
wcsncpyz(ArcName,CurVolName,ASIZE(ArcName));
}
#endif
wchar ArcFileName[NM];
ConvertPath(Arc.FileHead.FileName,ArcFileName);
if (Arc.FileHead.Version)
{
if (Cmd->VersionControl!=1 && !EqualNames)
{
if (Cmd->VersionControl==0)
MatchFound=false;
int Version=ParseVersionFileName(ArcFileName,false);
if (Cmd->VersionControl-1==Version)
ParseVersionFileName(ArcFileName,true);
else
MatchFound=false;
}
}
else
if (!Arc.IsArcDir() && Cmd->VersionControl>1)
MatchFound=false;
DataIO.UnpVolume=Arc.FileHead.SplitAfter;
DataIO.NextVolumeMissing=false;
Arc.Seek(Arc.NextBlockPos-Arc.FileHead.PackSize,SEEK_SET);
bool ExtrFile=false;
bool SkipSolid=false;
#ifndef SFX_MODULE
if (FirstFile && (MatchFound || Arc.Solid) && Arc.FileHead.SplitBefore)
{
if (MatchFound)
{
uiMsg(UIERROR_NEEDPREVVOL,Arc.FileName,ArcFileName);
#ifdef RARDLL
Cmd->DllError=ERAR_BAD_DATA;
#endif
ErrHandler.SetErrorCode(RARX_OPEN);
}
MatchFound=false;
}
FirstFile=false;
#endif
if (MatchFound || (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;
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 (Arc.FileHead.Encrypted)
{
#ifdef RARDLL
if (!ExtrDllGetPassword())
return false;
#else
if (!ExtrGetPassword(Arc,ArcFileName))
{
PasswordCancelled=true;
return false;
}
#endif
// Skip only the current encrypted file if empty password is entered.
if (!Cmd->Password.IsSet())
{
ErrHandler.SetErrorCode(RARX_WARNING);
#ifdef RARDLL
Cmd->DllError=ERAR_MISSING_PASSWORD;
#endif
ExtrFile=false;
}
}
#ifdef RARDLL
if (*Cmd->DllDestName!=0)
wcsncpyz(DestFileName,Cmd->DllDestName,ASIZE(DestFileName));
#endif
if (!CheckUnpVer(Arc,ArcFileName))
{
ExtrFile=false;
ErrHandler.SetErrorCode(RARX_FATAL);
#ifdef RARDLL
Cmd->DllError=ERAR_UNKNOWN_FORMAT;
#endif
}
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.
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);
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)
{
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++;
#ifndef GUI
if (Command!='I')
{
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)
mprintf(L" ");
#endif
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,
PswCheck,Arc.FileHead.HashKey);
bool WrongPassword=false;
// If header is damaged, we cannot rely on password check value,
// because it can be damaged too.
if (Arc.FileHead.Encrypted && Arc.FileHead.UsePswCheck &&
memcmp(Arc.FileHead.PswCheck,PswCheck,SIZE_PSWCHECK)!=0 &&
!Arc.BrokenHeader)
{
uiMsg(UIERROR_BADPSW,Arc.FileName);
ErrHandler.SetErrorCode(RARX_BADPWD);
WrongPassword=true;
}
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 && !WrongPassword && !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
if (!TestMode && !WrongPassword && !Arc.BrokenHeader &&
(Arc.FileHead.PackSize<<11)>Arc.FileHead.UnpSize &&
(Arc.FileHead.UnpSize<100000000 || Arc.FileLength()>Arc.FileHead.PackSize))
CurFile.Prealloc(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 NameExisting[NM];
ExtrPrepareName(Arc,Arc.FileHead.RedirName,NameExisting,ASIZE(NameExisting));
if (FileCreateMode && *NameExisting!=0) // *NameExisting can be 0 in case of excessive -ap switch.
{
if (Type==FSREDIR_HARDLINK)
LinkSuccess=ExtractHardlink(DestFileName,NameExisting,ASIZE(NameExisting));
else
LinkSuccess=ExtractFileCopy(CurFile,Arc.FileName,DestFileName,NameExisting,ASIZE(NameExisting));
}
}
else
if (Type==FSREDIR_UNIXSYMLINK || Type==FSREDIR_WINSYMLINK || Type==FSREDIR_JUNCTION)
{
if (FileCreateMode)
LinkSuccess=ExtractSymlink(Cmd,DataIO,Arc,DestFileName);
}
else
{
uiMsg(UIERROR_UNKNOWNEXTRA, Arc.FileName, DestFileName);
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;
}
PrevExtracted=FileCreateMode && LinkSuccess;
}
else
if (!Arc.FileHead.SplitBefore && !WrongPassword)
{
if (Arc.FileHead.Method==0)
UnstoreFile(DataIO,Arc.FileHead.UnpSize);
else
{
#ifdef _ANDROID
// malloc and new do not report memory allocation errors
// in Android, so if free memory is set, check it here
// trying to prevent crash.
if (Cmd->FreeMem!=0 && Cmd->FreeMem < Arc.FileHead.WinSize)
throw std::bad_alloc();
#endif
Unp->Init(Arc.FileHead.WinSize,Arc.FileHead.Solid);
Unp->SetDestSize(Arc.FileHead.UnpSize);
#ifndef SFX_MODULE
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 (!WrongPassword && ValidCRC)
{
#ifndef GUI
if (Command!='P' && Command!='I')
mprintf(L"%s%s ",Cmd->DisablePercentage ? L" ":L"\b\b\b\b\b ",
Arc.FileHead.FileHash.Type==HASH_NONE ? L" ?":St(MOk));
#endif
}
else
{
if (!WrongPassword)
{
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,
// we should not replace it with less precise ERAR_BAD_DATA.
if (Cmd->DllError!=ERAR_EOPEN)
Cmd->DllError=WrongPassword ? ERAR_BAD_PASSWORD : ERAR_BAD_DATA;
#endif
}
}
#ifndef GUI
else
mprintf(L"\b\b\b\b\b ");
#endif
if (!TestMode && !WrongPassword && (Command=='X' || Command=='E') &&
(!LinkEntry || (Arc.FileHead.RedirType==FSREDIR_FILECOPY && LinkSuccess)) &&
(!BrokenFile || Cmd->KeepBroken))
{
// We could preallocate more space that really written to broken file.
if (BrokenFile)
CurFile.Truncate();
#if defined(_WIN_ALL) || defined(_EMX)
if (Cmd->ClearArc)
Arc.FileHead.FileAttr&=~FILE_ATTRIBUTE_ARCHIVE;
#endif
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();
#if defined(_WIN_ALL) && !defined(SFX_MODULE)
if (Cmd->SetCompressedAttr &&
(Arc.FileHead.FileAttr & FILE_ATTRIBUTE_COMPRESSED)!=0)
SetFileCompression(CurFile.FileName,true);
#endif
#ifdef _UNIX
if (Cmd->ProcessOwners && Arc.Format==RARFMT50 && Arc.FileHead.UnixOwnerSet)
SetUnixOwner(Arc,CurFile.FileName);
#endif
CurFile.SetCloseFileTime(
Cmd->xmtime==EXTTIME_NONE ? NULL:&Arc.FileHead.mtime,
Cmd->xatime==EXTTIME_NONE ? NULL:&Arc.FileHead.atime);
if (!Cmd->IgnoreGeneralAttr && !SetFileAttr(CurFile.FileName,Arc.FileHead.FileAttr))
uiMsg(UIERROR_FILEATTR,Arc.FileName,CurFile.FileName);
PrevExtracted=true;
}
}
}
if (MatchFound)
MatchedArgs++;
if (DataIO.NextVolumeMissing)
return false;
if (!ExtrFile)
{
if (!Arc.Solid)
Arc.SeekToNext();
else
if (!SkipSolid)
return false;
}
return true;
}
bool CmdExtract::ExtractCurrentFile(CommandData *Cmd,Archive &Arc,size_t HeaderSize,bool &Repeat)
{
wchar Command=Cmd->Command[0];
if (HeaderSize==0)
if (DataIO.UnpVolume)
{
#ifdef NOVOLUME
return false;
#else
if (!MergeArchive(Arc,&DataIO,false,Command))
{
ErrHandler.SetErrorCode(RARX_WARNING);
return false;
}
#endif
}
else
return false;
HEADER_TYPE HeaderType=Arc.GetHeaderType();
if (HeaderType!=HEAD_FILE)
{
#ifndef SFX_MODULE
if (HeaderType==HEAD3_OLDSERVICE && PrevExtracted)
SetExtraInfo20(Cmd,Arc,DestFileName);
#endif
if (HeaderType==HEAD_SERVICE && PrevExtracted)
SetExtraInfo(Cmd,Arc,DestFileName);
if (HeaderType==HEAD_ENDARC)
if (Arc.EndArcHead.NextVolume)
{
#ifndef NOVOLUME
if (!MergeArchive(Arc,&DataIO,false,Command))
{
ErrHandler.SetErrorCode(RARX_WARNING);
return false;
}
#endif
Arc.Seek(Arc.CurBlockPos,SEEK_SET);
return true;
}
else
return false;
Arc.SeekToNext();
return true;
}
PrevExtracted=false;
if (!Cmd->Recurse && MatchedArgs>=Cmd->FileArgs.ItemsCount() && AllMatchesExact)
return false;
int MatchType=MATCH_WILDSUBPATH;
bool EqualNames=false;
int MatchNumber=Cmd->IsProcessFile(Arc.FileHead,&EqualNames,MatchType);
bool ExactMatch=MatchNumber!=0;
#ifndef SFX_MODULE
if (Cmd->ExclPath==EXCL_BASEPATH)
{
*Cmd->ArcPath=0;
if (ExactMatch)
{
Cmd->FileArgs.Rewind();
if (Cmd->FileArgs.GetString(Cmd->ArcPath,ASIZE(Cmd->ArcPath),MatchNumber-1))
*PointToName(Cmd->ArcPath)=0;
}
}
#endif
if (ExactMatch && !EqualNames)
AllMatchesExact=false;
Arc.ConvertAttributes();
#if !defined(SFX_MODULE) && !defined(RARDLL)
if (Arc.FileHead.SplitBefore && FirstFile)
{
wchar CurVolName[NM];
wcsncpyz(CurVolName,ArcName,ASIZE(CurVolName));
VolNameToFirstName(ArcName,ArcName,Arc.NewNumbering);
if (wcsicomp(ArcName,CurVolName)!=0 && FileExist(ArcName))
{
// If first volume name does not match the current name and if such
// volume name really exists, let's unpack from this first volume.
Repeat=true;
return false;
}
#ifndef RARDLL
if (!ReconstructDone)
{
ReconstructDone=true;
if (RecVolumesRestore(Cmd,Arc.FileName,true))
{
Repeat=true;
return false;
}
}
#endif
wcsncpyz(ArcName,CurVolName,ASIZE(ArcName));
}
#endif
wchar ArcFileName[NM];
ConvertPath(Arc.FileHead.FileName,ArcFileName);
if (Arc.FileHead.Version)
{
if (Cmd->VersionControl!=1 && !EqualNames)
{
if (Cmd->VersionControl==0)
ExactMatch=false;
int Version=ParseVersionFileName(ArcFileName,false);
if (Cmd->VersionControl-1==Version)
ParseVersionFileName(ArcFileName,true);
else
ExactMatch=false;
}
}
else
if (!Arc.IsArcDir() && Cmd->VersionControl>1)
ExactMatch=false;
DataIO.UnpVolume=Arc.FileHead.SplitAfter;
DataIO.NextVolumeMissing=false;
Arc.Seek(Arc.NextBlockPos-Arc.FileHead.PackSize,SEEK_SET);
bool ExtrFile=false;
bool SkipSolid=false;
#ifndef SFX_MODULE
if (FirstFile && (ExactMatch || Arc.Solid) && Arc.FileHead.SplitBefore)
{
if (ExactMatch)
{
Log(Arc.FileName,St(MUnpCannotMerge),ArcFileName);
#ifdef RARDLL
Cmd->DllError=ERAR_BAD_DATA;
#endif
ErrHandler.SetErrorCode(RARX_OPEN);
}
ExactMatch=false;
}
FirstFile=false;
#endif
if (ExactMatch || (SkipSolid=Arc.Solid)!=0)
{
ExtrPrepareName(Cmd,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 (Arc.FileHead.Encrypted)
{
#ifdef RARDLL
if (!ExtrDllGetPassword(Cmd))
return false;
#else
if (!ExtrGetPassword(Cmd,Arc,ArcFileName))
{
PasswordCancelled=true;
return false;
}
#endif
// Skip only the current encrypted file if empty password is entered.
if (!Password.IsSet())
{
ErrHandler.SetErrorCode(RARX_WARNING);
#ifdef RARDLL
Cmd->DllError=ERAR_MISSING_PASSWORD;
#endif
ExtrFile=false;
}
}
#ifdef RARDLL
if (*Cmd->DllDestName!=0)
{
wcsncpyz(DestFileName,Cmd->DllDestName,ASIZE(DestFileName));
// Do we need this code?
// if (Cmd->DllOpMode!=RAR_EXTRACT)
// ExtrFile=false;
}
#endif
if (!CheckUnpVer(Arc,ArcFileName))
{
ExtrFile=false;
ErrHandler.SetErrorCode(RARX_WARNING);
#ifdef RARDLL
Cmd->DllError=ERAR_UNKNOWN_FORMAT;
#endif
}
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.
bool UserReject=false;
if (FileExist(DestFileName) && !UserReject)
FileCreate(Cmd,NULL,DestFileName,ASIZE(DestFileName),Cmd->Overwrite,&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(Cmd,Arc,ArcFileName);
return true;
}
else
if (ExtrFile) // Create files and file copies (FSREDIR_FILECOPY).
ExtrFile=ExtrCreateFile(Cmd,Arc,CurFile);
if (!ExtrFile && Arc.Solid)
{
SkipSolid=true;
ExtrFile=true;
}
if (ExtrFile)
{
bool TestMode=Cmd->Test || SkipSolid; // Unpack to memory, not to disk.
if (!SkipSolid)
{
if (!TestMode && Command!='P' && CurFile.IsDevice())
{
Log(Arc.FileName,St(MInvalidName),DestFileName);
ErrHandler.WriteError(Arc.FileName,DestFileName);
}
TotalFileCount++;
}
FileCount++;
#ifndef GUI
if (Command!='I')
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)
mprintf(L" ");
#endif
SecPassword FilePassword=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,
PswCheck,Arc.FileHead.HashKey);
bool WrongPassword=false;
// If header is damaged, we cannot rely on password check value,
// because it can be damaged too.
if (Arc.FileHead.Encrypted && Arc.FileHead.UsePswCheck &&
memcmp(Arc.FileHead.PswCheck,PswCheck,SIZE_PSWCHECK)!=0 &&
!Arc.BrokenHeader)
{
Log(Arc.FileName,St(MWrongPassword));
ErrHandler.SetErrorCode(RARX_BADPWD);
WrongPassword=true;
}
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 (!TestMode && !WrongPassword && !Arc.BrokenHeader &&
(Arc.FileHead.PackSize<<11)>Arc.FileHead.UnpSize &&
(Arc.FileHead.UnpSize<100000000 || Arc.FileLength()>Arc.FileHead.PackSize))
CurFile.Prealloc(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 NameExisting[NM];
ExtrPrepareName(Cmd,Arc,Arc.FileHead.RedirName,NameExisting,ASIZE(NameExisting));
if (FileCreateMode && *NameExisting!=0) // *NameExisting can be 0 in case of excessive -ap switch.
if (Type==FSREDIR_HARDLINK)
LinkSuccess=ExtractHardlink(DestFileName,NameExisting,ASIZE(NameExisting));
else
LinkSuccess=ExtractFileCopy(Cmd,CurFile,Arc.FileName,DestFileName,NameExisting,ASIZE(NameExisting));
}
else
if (Type==FSREDIR_UNIXSYMLINK || Type==FSREDIR_WINSYMLINK || Type==FSREDIR_JUNCTION)
{
if (FileCreateMode)
LinkSuccess=ExtractSymlink(Cmd,DataIO,Arc,DestFileName);
}
else
{
#ifndef SFX_MODULE
Log(Arc.FileName,St(MUnknownExtra),DestFileName);
#endif
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;
}
PrevExtracted=FileCreateMode && LinkSuccess;
}
else
if (!Arc.FileHead.SplitBefore && !WrongPassword)
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
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();
bool ValidCRC=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 (!WrongPassword && ValidCRC)
{
#ifndef GUI
if (Command!='P' && Command!='I')
mprintf(L"%s%s ",Cmd->DisablePercentage ? L" ":L"\b\b\b\b\b ",
Arc.FileHead.FileHash.Type==HASH_NONE ? L" ?":St(MOk));
#endif
}
else
{
if (!WrongPassword)
if (Arc.FileHead.Encrypted && (!Arc.FileHead.UsePswCheck ||
Arc.BrokenHeader) && !AnySolidDataUnpackedWell)
{
Log(Arc.FileName,St(MEncrBadCRC),ArcFileName);
}
else
{
Log(Arc.FileName,St(MCRCFailed),ArcFileName);
}
BrokenFile=true;
ErrHandler.SetErrorCode(RARX_CRC);
#ifdef RARDLL
// If we already have ERAR_EOPEN as result of missing volume,
// we should not replace it with less precise ERAR_BAD_DATA.
if (Cmd->DllError!=ERAR_EOPEN)
Cmd->DllError=ERAR_BAD_DATA;
#endif
}
}
#ifndef GUI
else
mprintf(L"\b\b\b\b\b ");
#endif
if (!TestMode && !WrongPassword && (Command=='X' || Command=='E') &&
(!LinkEntry || Arc.FileHead.RedirType==FSREDIR_FILECOPY && LinkSuccess) &&
(!BrokenFile || Cmd->KeepBroken))
{
// We could preallocate more space that really written to broken file.
if (BrokenFile)
CurFile.Truncate();
#if defined(_WIN_ALL) || defined(_EMX)
if (Cmd->ClearArc)
Arc.FileHead.FileAttr&=~FILE_ATTRIBUTE_ARCHIVE;
#endif
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();
#if defined(_WIN_ALL) && !defined(SFX_MODULE)
if (Cmd->SetCompressedAttr &&
(Arc.FileHead.FileAttr & FILE_ATTRIBUTE_COMPRESSED)!=0)
SetFileCompression(CurFile.FileName,true);
#endif
#ifdef _UNIX
if (Cmd->ProcessOwners && Arc.Format==RARFMT50 && Arc.FileHead.UnixOwnerSet)
SetUnixOwner(Arc,CurFile.FileName);
#endif
CurFile.SetCloseFileTime(
Cmd->xmtime==EXTTIME_NONE ? NULL:&Arc.FileHead.mtime,
Cmd->xatime==EXTTIME_NONE ? NULL:&Arc.FileHead.atime);
if (!Cmd->IgnoreGeneralAttr)
SetFileAttr(CurFile.FileName,Arc.FileHead.FileAttr);
PrevExtracted=true;
}
}
}
if (ExactMatch)
MatchedArgs++;
if (DataIO.NextVolumeMissing)
return false;
if (!ExtrFile)
if (!Arc.Solid)
Arc.SeekToNext();
else
if (!SkipSolid)
return false;
return true;
}