Exemplo n.º 1
0
void CryptData::SetKey50(bool Encrypt,SecPassword *Password,const wchar *PwdW,
     const byte *Salt,const byte *InitV,uint Lg2Cnt,byte *HashKey,
     byte *PswCheck)
{
  if (Lg2Cnt>CRYPT5_KDF_LG2_COUNT_MAX)
    return;

  byte Key[32],PswCheckValue[SHA256_DIGEST_SIZE],HashKeyValue[SHA256_DIGEST_SIZE];
  bool Found=false;
  for (uint I=0;I<ASIZE(KDF5Cache);I++)
  {
    KDF5CacheItem *Item=KDF5Cache+I;
    if (Item->Lg2Count==Lg2Cnt && Item->Pwd==*Password &&
        memcmp(Item->Salt,Salt,SIZE_SALT50)==0)
    {
      SecHideData(Item->Key,sizeof(Item->Key),false,false);
      memcpy(Key,Item->Key,sizeof(Key));
      SecHideData(Item->Key,sizeof(Item->Key),true,false);

      memcpy(PswCheckValue,Item->PswCheckValue,sizeof(PswCheckValue));
      memcpy(HashKeyValue,Item->HashKeyValue,sizeof(HashKeyValue));
      Found=true;
      break;
    }
  }

  if (!Found)
  {
    char PwdUtf[MAXPASSWORD*4];
    WideToUtf(PwdW,PwdUtf,ASIZE(PwdUtf));
    
    pbkdf2((byte *)PwdUtf,strlen(PwdUtf),Salt,SIZE_SALT50,Key,HashKeyValue,PswCheckValue,(1<<Lg2Cnt));
    cleandata(PwdUtf,sizeof(PwdUtf));

    KDF5CacheItem *Item=KDF5Cache+(KDF5CachePos++ % ASIZE(KDF5Cache));
    Item->Lg2Count=Lg2Cnt;
    Item->Pwd=*Password;
    memcpy(Item->Salt,Salt,SIZE_SALT50);
    memcpy(Item->Key,Key,sizeof(Key));
    memcpy(Item->PswCheckValue,PswCheckValue,sizeof(PswCheckValue));
    memcpy(Item->HashKeyValue,HashKeyValue,sizeof(HashKeyValue));
    SecHideData(Item->Key,sizeof(Key),true,false);
  }
  if (HashKey!=NULL)
    memcpy(HashKey,HashKeyValue,SHA256_DIGEST_SIZE);
  if (PswCheck!=NULL)
  {
    memset(PswCheck,0,SIZE_PSWCHECK);
    for (uint I=0;I<SHA256_DIGEST_SIZE;I++)
      PswCheck[I%SIZE_PSWCHECK]^=PswCheckValue[I];
    cleandata(PswCheckValue,sizeof(PswCheckValue));
  }

  // NULL initialization vector is possible if we only need the password
  // check value for archive encryption header.
  if (InitV!=NULL)
    rin.Init(Encrypt, Key, 256, InitV);

  cleandata(Key,sizeof(Key));
}
Exemplo n.º 2
0
bool WideToChar(const wchar *Src,char *Dest,size_t DestSize)
{
  bool RetCode=true;
  *Dest=0; // Set 'Dest' to zero just in case the conversion will fail.

#ifdef _WIN_ALL
  if (WideCharToMultiByte(CP_ACP,0,Src,-1,Dest,(int)DestSize,NULL,NULL)==0)
    RetCode=false;

#elif defined(_APPLE)
  WideToUtf(Src,Dest,DestSize);

#elif defined(MBFUNCTIONS)
  size_t ResultingSize=wcstombs(Dest,Src,DestSize);
  if (ResultingSize==(size_t)-1)
    RetCode=false;
  if (ResultingSize==0 && *Src!=0)
    RetCode=false;

  if ((!RetCode || *Dest==0 && *Src!=0) && DestSize>NM && wcslen(Src)<NM)
  {
    /* Workaround for strange Linux Unicode functions bug.
       Some of wcstombs and mbstowcs implementations in some situations
       (we are yet to find out what it depends on) can return an empty
       string and success code if buffer size value is too large.
    */
    return(WideToChar(Src,Dest,NM));
  }

#else
  if (UnicodeEnabled())
  {
#if defined(_EMX) && !defined(_DJGPP)
    int len=Min(wcslen(Src)+1,DestSize-1);
    if (uni_fromucs((UniChar*)Src,len,Dest,(size_t*)&DestSize)==-1 ||
        DestSize>len*2)
      RetCode=false;
    Dest[DestSize]=0;
#endif
  }
  else
    for (int I=0;I<DestSize;I++)
    {
      Dest[I]=(char)Src[I];
      if (Src[I]==0)
        break;
    }
#endif

  // We tried to return the empty string if conversion is failed,
  // but it does not work well. WideCharToMultiByte returns 'failed' code
  // and partially converted string even if we wanted to convert only a part
  // of string and passed DestSize smaller than required for fully converted
  // string. Such call is the valid behavior in RAR code and we do not expect
  // the empty string in this case.

  return(RetCode);
}
Exemplo n.º 3
0
bool WideToChar(const wchar *Src,char *Dest,size_t DestSize)
{
  bool RetCode=true;
#ifdef _WIN_32
  if (WideCharToMultiByte(CP_ACP,0,Src,-1,Dest,(int)DestSize,NULL,NULL)==0)
    RetCode=false;
#else
#ifdef _APPLE
  WideToUtf(Src,Dest,DestSize);
#else
#ifdef MBFUNCTIONS

  size_t ResultingSize=wcstombs(Dest,Src,DestSize);
  if (ResultingSize==(size_t)-1)
    RetCode=false;
  if (ResultingSize==0 && *Src!=0)
    RetCode=false;

  if ((!RetCode || *Dest==0 && *Src!=0) && DestSize>NM && strlenw(Src)<NM)
  {
    /* Workaround for strange Linux Unicode functions bug.
       Some of wcstombs and mbstowcs implementations in some situations
       (we are yet to find out what it depends on) can return an empty
       string and success code if buffer size value is too large.
    */
    return(WideToChar(Src,Dest,NM));
  }

#else
  if (UnicodeEnabled())
  {
#if defined(_EMX) && !defined(_DJGPP)
    int len=Min(strlenw(Src)+1,DestSize-1);
    if (uni_fromucs((UniChar*)Src,len,Dest,(size_t*)&DestSize)==-1 ||
        DestSize>len*2)
      RetCode=false;
    Dest[DestSize]=0;
#endif
  }
  else
    for (int I=0;I<DestSize;I++)
    {
      Dest[I]=(char)Src[I];
      if (Src[I]==0)
        break;
    }
#endif
#endif
#endif
  return(RetCode);
}
Exemplo n.º 4
0
bool File::Create(const char *Name,const wchar *NameW)
{
// Below commented code was left behind on spiffs request for possible later usage 
/*#ifdef _WIN_32
#ifndef _XBOX
  if (WinNT() && NameW!=NULL && *NameW!=0)
    hFile=CreateFileW(NameW,GENERIC_READ|GENERIC_WRITE,FILE_SHARE_READ,NULL,
                      CREATE_ALWAYS,0,NULL);
  else
#endif
    hFile=CreateFile(Name,GENERIC_READ|GENERIC_WRITE,FILE_SHARE_READ,NULL,
                     CREATE_ALWAYS,0,NULL);
#else
  hFile=fopen(Name,CREATEBINARY);
#endif*/
  char name[NM];
  if (NameW)
    WideToUtf(NameW, name, NM);
  else
    strcpy(name, Name);
  char* lastslash = strrchr(name, '\\');
  char tmp;
  if (!lastslash)
    lastslash = strrchr(name, '/');
  if (lastslash) {
    tmp = *lastslash;
    *lastslash = '\0';
  }
  XBMC->CreateDirectory(name);
  *lastslash = tmp;
  m_File = XBMC->OpenFileForWrite(name, true);
  NewFile=true;
  HandleType=FILE_HANDLENORMAL;
  SkipClose=false;
  if (NameW!=NULL)
    strcpyw(FileNameW,NameW);
  else
    *FileNameW=0;
  if (Name!=NULL)
    strcpy(FileName,Name);
  else
    WideToChar(NameW,FileName);
  //AddFileToList(hFile);
  AddFileToList();
  //return(hFile!=BAD_HANDLE);
  return true;
}
Exemplo n.º 5
0
bool WideToChar(const wchar *Src,char *Dest,size_t DestSize)
{
  bool RetCode=true;
  *Dest=0; // Set 'Dest' to zero just in case the conversion will fail.

#ifdef _WIN_ALL
  if (WideCharToMultiByte(CP_ACP,0,Src,-1,Dest,(int)DestSize,NULL,NULL)==0)
    RetCode=false;

// wcstombs is broken in Android NDK r9.
#elif defined(_APPLE) || defined(_ANDROID)
  WideToUtf(Src,Dest,DestSize);

#elif defined(MBFUNCTIONS)
  if (!WideToCharMap(Src,Dest,DestSize,RetCode))
  {
    mbstate_t ps; // Use thread safe external state based functions.
    memset (&ps, 0, sizeof(ps));
    const wchar *SrcParam=Src; // wcsrtombs can change the pointer.
    size_t ResultingSize=wcsrtombs(Dest,&SrcParam,DestSize,&ps);
    if (ResultingSize==(size_t)-1)
      RetCode=false;
    if (ResultingSize==0 && *Src!=0)
      RetCode=false;
  }
#else
  for (int I=0;I<DestSize;I++)
  {
    Dest[I]=(char)Src[I];
    if (Src[I]==0)
      break;
  }
#endif
  if (DestSize>0)
    Dest[DestSize-1]=0;
  
  // We tried to return the empty string if conversion is failed,
  // but it does not work well. WideCharToMultiByte returns 'failed' code
  // and partially converted string even if we wanted to convert only a part
  // of string and passed DestSize smaller than required for fully converted
  // string. Such call is the valid behavior in RAR code and we do not expect
  // the empty string in this case.

  return RetCode;
}
Exemplo n.º 6
0
bool WideToChar(const wchar *Src,char *Dest,int DestSize)
{
  bool RetCode=true;
#ifdef _WIN_32
  if (WideCharToMultiByte(CP_ACP,0,Src,-1,Dest,DestSize,NULL,NULL)==0)
    RetCode=false;
#else
#ifdef _APPLE
  WideToUtf(Src,Dest,DestSize);
#else
#ifdef MBFUNCTIONS
  if (wcstombs(Dest,Src,DestSize)==-1)
    RetCode=false;
#else
  if (UnicodeEnabled())
  {
#if defined(_EMX) && !defined(_DJGPP)
    int len=Min(strlenw(Src)+1,DestSize-1);
    if (uni_fromucs((UniChar*)Src,len,Dest,(size_t*)&DestSize)==-1 ||
        DestSize>len*2)
      RetCode=false;
    Dest[DestSize]=0;
#endif
  }
  else
    for (int I=0;I<DestSize;I++)
    {
      Dest[I]=(char)Src[I];
      if (Src[I]==0)
        break;
    }
#endif
#endif
#endif
  return(RetCode);
}
Exemplo n.º 7
0
bool WideToChar(const wchar *Src,char *Dest,int DestSize)
{
  bool RetCode=true;
#ifdef _WIN_32
  if (WideCharToMultiByte(CP_ACP,0,Src,-1,Dest,DestSize,NULL,NULL)==0)
    RetCode=false;
#else
#ifdef _APPLE
  WideToUtf(Src,Dest,DestSize);
#else
#ifdef MBFUNCTIONS
  if (wcstombs(Dest,Src,DestSize)==(uint)-1)
    RetCode=false;
#else
  if (UnicodeEnabled())
  {
    for (int I=0;I<DestSize;I++)
    {
      Dest[I]=(char)Src[I];
      if (Src[I]==0)
        break;
  }
#endif
#endif
#endif
  return(RetCode);
}


bool CharToWide(const char *Src,wchar *Dest,int DestSize)
{
  bool RetCode=true;
#ifdef _WIN_32
  if (MultiByteToWideChar(CP_ACP,0,Src,-1,Dest,DestSize)==0)
    RetCode=false;
#else
#ifdef _APPLE
  UtfToWide(Src,Dest,DestSize);
#else
#ifdef MBFUNCTIONS
  mbstowcs(Dest,Src,DestSize);
#else
  if (UnicodeEnabled())
  {
    for (int I=0;I<DestSize;I++)
    {
      Dest[I]=(wchar_t)Src[I];
      if (Src[I]==0)
        break;
  }
#endif
#endif
#endif
  return(RetCode);
}


byte* WideToRaw(const wchar *Src,byte *Dest,int DestSize)
{
  for (int I=0;I<DestSize;I++,Src++)
  {
    Dest[I*2]=(byte)*Src;
    Dest[I*2+1]=(byte)(*Src>>8);
    if (*Src==0)
      break;
  }
  return(Dest);
}


wchar* RawToWide(const byte *Src,wchar *Dest,int DestSize)
{
  for (int I=0;I<DestSize;I++)
    if ((Dest[I]=Src[I*2]+(Src[I*2+1]<<8))==0)
      break;
  return(Dest);
}


#ifdef _APPLE
void WideToUtf(const wchar *Src,char *Dest,int DestSize)
{
  DestSize--;
  while (*Src!=0 && --DestSize>=0)
  {
    uint c=*(Src++);
    if (c<0x80)
      *(Dest++)=c;
    else
      if (c<0x800 && --DestSize>=0)
      {
        *(Dest++)=(0xc0|(c>>6));
        *(Dest++)=(0x80|(c&0x3f));
      }
      else
        if (c<0x10000 && (DestSize-=2)>=0)
Exemplo n.º 8
0
bool File::Open(const char *Name,const wchar *NameW,bool OpenShared,bool Update)
{
 // Below commented code was left behind on spiffs request for possible later usage
 
  /*ErrorType=FILE_SUCCESS;
  FileHandle hNewFile;
  if (File::OpenShared)
    OpenShared=true;
#ifdef _WIN_32
  uint Access=GENERIC_READ;
  if (Update)
    Access|=GENERIC_WRITE;
  uint ShareMode=FILE_SHARE_READ;
  if (OpenShared)
    ShareMode|=FILE_SHARE_WRITE;
#ifndef _XBOX
  if (WinNT() && NameW!=NULL && *NameW!=0)
    hNewFile=CreateFileW(NameW,Access,ShareMode,NULL,OPEN_EXISTING,
                         FILE_FLAG_SEQUENTIAL_SCAN,NULL);
  else
#endif
    hNewFile=CreateFile(Name,Access,ShareMode,NULL,OPEN_EXISTING,
                        FILE_FLAG_SEQUENTIAL_SCAN,NULL);

  if (hNewFile==BAD_HANDLE && GetLastError()==ERROR_FILE_NOT_FOUND)
    ErrorType=FILE_NOTFOUND;
#else
  int flags=Update ? O_RDWR:O_RDONLY;
#ifdef O_BINARY
  flags|=O_BINARY;
#if defined(_AIX) && defined(_LARGE_FILE_API)
  flags|=O_LARGEFILE;
#endif
#endif
#if defined(_EMX) && !defined(_DJGPP)
  int sflags=OpenShared ? SH_DENYNO:SH_DENYWR;
  int handle=sopen(Name,flags,sflags);
#else
  int handle=open(Name,flags);
#ifdef LOCK_EX
  if (!OpenShared && Update && handle>=0 && flock(handle,LOCK_EX|LOCK_NB)==-1)
  {
    close(handle);
    return(false);
  }
#endif
#endif
  hNewFile=handle==-1 ? BAD_HANDLE:fdopen(handle,Update ? UPDATEBINARY:READBINARY);
  if (hNewFile==BAD_HANDLE && errno==ENOENT)
    ErrorType=FILE_NOTFOUND;
#endif
  NewFile=false;
  HandleType=FILE_HANDLENORMAL;
  SkipClose=false;
  bool success=hNewFile!=BAD_HANDLE;*/
  char name[NM];
  if (NameW)
    WideToUtf(NameW, name, NM);
  else
    strcpy(name, Name);
  bool success;
  if (Update)
  {
    m_File = XBMC->OpenFileForWrite(name, true);
    success = m_File != NULL;
  }
  else
  {
    m_File = XBMC->OpenFile(name, 0);
    success = m_File != NULL;
  }
  if (success)
  {
//    hFile=hNewFile;
    if (NameW!=NULL)
      strcpyw(FileNameW,NameW);
    else
      *FileNameW=0;
    if (Name!=NULL)
      strcpy(FileName,Name);
    else
      WideToChar(NameW,FileName);
    //AddFileToList(hFile);
    AddFileToList();
  }
  return(success);
}
Exemplo n.º 9
0
bool CmdExtract::ExtractCurrentFile(CommandData *Cmd,Archive &Arc,size_t HeaderSize,bool &Repeat)
{
  char Command=*Cmd->Command;
  if (HeaderSize==0)
    if (DataIO.UnpVolume)
    {
#ifdef NOVOLUME
      return(false);
#else
      if (!MergeArchive(Arc,&DataIO,false,Command))
      {
        ErrHandler.SetErrorCode(WARNING);
        return(false);
      }
      SignatureFound=false;
#endif
    }
    else
      return(false);
  int HeadType=Arc.GetHeaderType();
  if (HeadType!=FILE_HEAD)
  {
    if (HeadType==AV_HEAD || HeadType==SIGN_HEAD)
      SignatureFound=true;
#if !defined(SFX_MODULE) && !defined(_WIN_CE)
    if (HeadType==SUB_HEAD && PrevExtracted)
      SetExtraInfo(Cmd,Arc,DestFileName,*DestFileNameW ? DestFileNameW:NULL);
#endif
    if (HeadType==NEWSUB_HEAD)
    {
      if (Arc.SubHead.CmpName(SUBHEAD_TYPE_AV))
        SignatureFound=true;
#if !defined(NOSUBBLOCKS) && !defined(_WIN_CE)
      if (PrevExtracted)
        SetExtraInfoNew(Cmd,Arc,DestFileName,*DestFileNameW ? DestFileNameW:NULL);
#endif
    }
    if (HeadType==ENDARC_HEAD)
      if (Arc.EndArcHead.Flags & EARC_NEXT_VOLUME)
      {
#ifndef NOVOLUME
        if (!MergeArchive(Arc,&DataIO,false,Command))
        {
          ErrHandler.SetErrorCode(WARNING);
          return(false);
        }
        SignatureFound=false;
#endif
        Arc.Seek(Arc.CurBlockPos,SEEK_SET);
        return(true);
      }
      else
        return(false);
    Arc.SeekToNext();
    return(true);
  }
  PrevExtracted=false;

  if (SignatureFound ||
      !Cmd->Recurse && MatchedArgs>=Cmd->FileArgs->ItemsCount() &&
      AllMatchesExact)
    return(false);

  char ArcFileName[NM];
  IntToExt(Arc.NewLhd.FileName,Arc.NewLhd.FileName);
  strcpy(ArcFileName,Arc.NewLhd.FileName);

  wchar ArcFileNameW[NM];
  *ArcFileNameW=0;

  int MatchType=MATCH_WILDSUBPATH;

  bool EqualNames=false;
  int MatchNumber=Cmd->IsProcessFile(Arc.NewLhd,&EqualNames,MatchType);
  bool ExactMatch=MatchNumber!=0;
#if !defined(SFX_MODULE) && !defined(_WIN_CE)
  if (Cmd->ExclPath==EXCL_BASEPATH)
  {
    *Cmd->ArcPath=0;
    if (ExactMatch)
    {
      Cmd->FileArgs->Rewind();
      if (Cmd->FileArgs->GetString(Cmd->ArcPath,NULL,sizeof(Cmd->ArcPath),MatchNumber-1))
        *PointToName(Cmd->ArcPath)=0;
    }
  }
#endif
  if (ExactMatch && !EqualNames)
    AllMatchesExact=false;

#ifdef UNICODE_SUPPORTED
  bool WideName=(Arc.NewLhd.Flags & LHD_UNICODE) && UnicodeEnabled();
#else
  bool WideName=false;
#endif

#ifdef _APPLE
  if (WideName)
  {
    WideToUtf(Arc.NewLhd.FileNameW,ArcFileName,sizeof(ArcFileName));
    WideName=false;
  }
#endif

  wchar *DestNameW=WideName ? DestFileNameW:NULL;

#ifdef UNICODE_SUPPORTED
  if (WideName)
  {
    ConvertPath(Arc.NewLhd.FileNameW,ArcFileNameW);
    char Name[NM];
    if (WideToChar(ArcFileNameW,Name) && IsNameUsable(Name))
      strcpy(ArcFileName,Name);
  }
#endif

  ConvertPath(ArcFileName,ArcFileName);

  if (Arc.IsArcLabel())
    return(true);

  if (Arc.NewLhd.Flags & LHD_VERSION)
  {
    if (Cmd->VersionControl!=1 && !EqualNames)
    {
      if (Cmd->VersionControl==0)
        ExactMatch=false;
      int Version=ParseVersionFileName(ArcFileName,ArcFileNameW,false);
      if (Cmd->VersionControl-1==Version)
        ParseVersionFileName(ArcFileName,ArcFileNameW,true);
      else
        ExactMatch=false;
    }
  }
  else
    if (!Arc.IsArcDir() && Cmd->VersionControl>1)
      ExactMatch=false;

  Arc.ConvertAttributes();

#ifndef SFX_MODULE
  if ((Arc.NewLhd.Flags & (LHD_SPLIT_BEFORE/*|LHD_SOLID*/)) && FirstFile)
  {
    char CurVolName[NM];
    strcpy(CurVolName,ArcName);

    VolNameToFirstName(ArcName,ArcName,(Arc.NewMhd.Flags & MHD_NEWNUMBERING)!=0);
    if (stricomp(ArcName,CurVolName)!=0 && FileExist(ArcName))
    {
      *ArcNameW=0;
      Repeat=true;
      return(false);
    }
#if !defined(RARDLL) && !defined(_WIN_CE)
    if (!ReconstructDone)
    {
      ReconstructDone=true;

      RecVolumes RecVol;
      if (RecVol.Restore(Cmd,Arc.FileName,Arc.FileNameW,true))
      {
        Repeat=true;
        return(false);
      }
    }
#endif
    strcpy(ArcName,CurVolName);
  }
#endif
  DataIO.UnpVolume=(Arc.NewLhd.Flags & LHD_SPLIT_AFTER)!=0;
  DataIO.NextVolumeMissing=false;

  Arc.Seek(Arc.NextBlockPos-Arc.NewLhd.FullPackSize,SEEK_SET);

  bool TestMode=false;
  bool ExtrFile=false;
  bool SkipSolid=false;

#ifndef SFX_MODULE
  if (FirstFile && (ExactMatch || Arc.Solid) && (Arc.NewLhd.Flags & (LHD_SPLIT_BEFORE/*|LHD_SOLID*/))!=0)
  {
    if (ExactMatch)
    {
      Log(Arc.FileName,St(MUnpCannotMerge),ArcFileName);
#ifdef RARDLL
      Cmd->DllError=ERAR_BAD_DATA;
#endif
      ErrHandler.SetErrorCode(OPEN_ERROR);
    }
    ExactMatch=false;
  }

  FirstFile=false;
#endif

  if (ExactMatch || (SkipSolid=Arc.Solid)!=0)
  {
    if ((Arc.NewLhd.Flags & LHD_PASSWORD)!=0)
#ifndef RARDLL
      if (*Password==0)
#endif
      {
#ifdef RARDLL
        if (*Cmd->Password==0)
          if (Cmd->Callback==NULL ||
              Cmd->Callback(UCM_NEEDPASSWORD,Cmd->UserData,(LPARAM)Cmd->Password,sizeof(Cmd->Password))==-1)
            return(false);
        strcpy(Password,Cmd->Password);

#else
        if (!GetPassword(PASSWORD_FILE,ArcFileName,Password,sizeof(Password)))
        {
          PasswordCancelled=true;
          return(false);
        }
#endif
      }
#if !defined(GUI) && !defined(SILENT)
      else
        if (!PasswordAll && (!Arc.Solid || Arc.NewLhd.UnpVer>=20 && (Arc.NewLhd.Flags & LHD_SOLID)==0))
        {
          eprintf(St(MUseCurPsw),ArcFileName);
          switch(Cmd->AllYes ? 1:Ask(St(MYesNoAll)))
          {
            case -1:
              ErrHandler.Exit(USER_BREAK);
            case 2:
              if (!GetPassword(PASSWORD_FILE,ArcFileName,Password,sizeof(Password)))
              {
                return(false);
              }
              break;
            case 3:
              PasswordAll=true;
              break;
          }
        }
#endif

#ifndef SFX_MODULE
    if (*Cmd->ExtrPath==0 && *Cmd->ExtrPathW!=0)
      WideToChar(Cmd->ExtrPathW,DestFileName);
    else
#endif
      strcpy(DestFileName,Cmd->ExtrPath);


#ifndef SFX_MODULE
    if (Cmd->AppendArcNameToPath)
    {
      strcat(DestFileName,PointToName(Arc.FirstVolumeName));
      SetExt(DestFileName,NULL);
      AddEndSlash(DestFileName);
    }
#endif

    char *ExtrName=ArcFileName;

    bool EmptyName=false;
#ifndef SFX_MODULE
    size_t Length=strlen(Cmd->ArcPath);
    if (Length>1 && IsPathDiv(Cmd->ArcPath[Length-1]) &&
        strlen(ArcFileName)==Length-1)
      Length--;
    if (Length>0 && strnicomp(Cmd->ArcPath,ArcFileName,Length)==0)
    {
      ExtrName+=Length;
      while (*ExtrName==CPATHDIVIDER)
        ExtrName++;
      if (*ExtrName==0)
        EmptyName=true;
    }
#endif

    bool AbsPaths=Cmd->ExclPath==EXCL_ABSPATH && Command=='X' && IsDriveDiv(':');
    if (AbsPaths)
      *DestFileName=0;

    if (Command=='E' || Cmd->ExclPath==EXCL_SKIPWHOLEPATH)
      strcat(DestFileName,PointToName(ExtrName));
    else
      strcat(DestFileName,ExtrName);

    char DiskLetter=etoupper(DestFileName[0]);

    if (AbsPaths && DestFileName[1]=='_' && IsPathDiv(DestFileName[2]) &&
        DiskLetter>='A' && DiskLetter<='Z')
      DestFileName[1]=':';

#ifndef SFX_MODULE
    if (!WideName && *Cmd->ExtrPathW!=0)
    {
      DestNameW=DestFileNameW;
      WideName=true;
      CharToWide(ArcFileName,ArcFileNameW);
    }
#endif

    if (WideName)
    {
      if (*Cmd->ExtrPathW!=0)
        strcpyw(DestFileNameW,Cmd->ExtrPathW);
      else
        CharToWide(Cmd->ExtrPath,DestFileNameW);

#ifndef SFX_MODULE
      if (Cmd->AppendArcNameToPath)
      {
        wchar FileNameW[NM];
        if (*Arc.FirstVolumeNameW!=0)
          strcpyw(FileNameW,Arc.FirstVolumeNameW);
        else
          CharToWide(Arc.FirstVolumeName,FileNameW);
        strcatw(DestFileNameW,PointToName(FileNameW));
        SetExt(DestFileNameW,NULL);
        AddEndSlash(DestFileNameW);
      }
#endif
      wchar *ExtrNameW=ArcFileNameW;
#ifndef SFX_MODULE
      if (Length>0)
      {
        wchar ArcPathW[NM];
        GetWideName(Cmd->ArcPath,Cmd->ArcPathW,ArcPathW);
        Length=strlenw(ArcPathW);
      }
      ExtrNameW+=Length;
      while (*ExtrNameW==CPATHDIVIDER)
        ExtrNameW++;
#endif

      if (AbsPaths)
        *DestFileNameW=0;

      if (Command=='E' || Cmd->ExclPath==EXCL_SKIPWHOLEPATH)
        strcatw(DestFileNameW,PointToName(ExtrNameW));
      else
        strcatw(DestFileNameW,ExtrNameW);

      if (AbsPaths && DestFileNameW[1]=='_' && IsPathDiv(DestFileNameW[2]))
        DestFileNameW[1]=':';
    }
    else
      *DestFileNameW=0;

    ExtrFile=!SkipSolid && !EmptyName && (Arc.NewLhd.Flags & LHD_SPLIT_BEFORE)==0;

    if ((Cmd->FreshFiles || Cmd->UpdateFiles) && (Command=='E' || Command=='X'))
    {
      struct FindData FD;
      if (FindFile::FastFind(DestFileName,DestNameW,&FD))
      {
        if (FD.mtime >= Arc.NewLhd.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;
    }

    // Skip encrypted file if no password is specified.
    if ((Arc.NewLhd.Flags & LHD_PASSWORD)!=0 && *Password==0)
    {
      ErrHandler.SetErrorCode(WARNING);
#ifdef RARDLL
      Cmd->DllError=ERAR_MISSING_PASSWORD;
#endif
      ExtrFile=false;
    }

#ifdef RARDLL
    if (*Cmd->DllDestName)
    {
      strncpyz(DestFileName,Cmd->DllDestName,ASIZE(DestFileName));
      *DestFileNameW=0;
      if (Cmd->DllOpMode!=RAR_EXTRACT)
        ExtrFile=false;
    }
    if (*Cmd->DllDestNameW)
    {
      strncpyzw(DestFileNameW,Cmd->DllDestNameW,ASIZE(DestFileNameW));
      DestNameW=DestFileNameW;
      if (Cmd->DllOpMode!=RAR_EXTRACT)
        ExtrFile=false;
    }
#endif

#ifdef SFX_MODULE
    if ((Arc.NewLhd.UnpVer!=UNP_VER && Arc.NewLhd.UnpVer!=29) &&
        Arc.NewLhd.Method!=0x30)
#else
    if (Arc.NewLhd.UnpVer<13 || Arc.NewLhd.UnpVer>UNP_VER)
#endif
    {
#ifndef SILENT
      Log(Arc.FileName,St(MUnknownMeth),ArcFileName);
#ifndef SFX_MODULE
      Log(Arc.FileName,St(MVerRequired),Arc.NewLhd.UnpVer/10,Arc.NewLhd.UnpVer%10);
#endif
#endif
      ExtrFile=false;
      ErrHandler.SetErrorCode(WARNING);
#ifdef RARDLL
      Cmd->DllError=ERAR_UNKNOWN_FORMAT;
#endif
    }

    File CurFile;

    if (!IsLink(Arc.NewLhd.FileAttr))
      if (Arc.IsArcDir())
      {
        if (!ExtrFile || Command=='P' || Command=='E' || Cmd->ExclPath==EXCL_SKIPWHOLEPATH)
          return(true);
        if (SkipSolid)
        {
#ifndef GUI
          mprintf(St(MExtrSkipFile),ArcFileName);
#endif
          return(true);
        }
        TotalFileCount++;
        if (Cmd->Test)
        {
#ifndef GUI
          mprintf(St(MExtrTestFile),ArcFileName);
          mprintf(" %s",St(MOk));
#endif
          return(true);
        }
        MKDIR_CODE MDCode=MakeDir(DestFileName,DestNameW,!Cmd->IgnoreGeneralAttr,Arc.NewLhd.FileAttr);
        bool DirExist=false;
        if (MDCode!=MKDIR_SUCCESS)
        {
          DirExist=FileExist(DestFileName,DestNameW);
          if (DirExist && !IsDir(GetFileAttr(DestFileName,DestNameW)))
          {
            bool UserReject;
            FileCreate(Cmd,NULL,DestFileName,DestNameW,Cmd->Overwrite,&UserReject,Arc.NewLhd.FullUnpSize,Arc.NewLhd.FileTime);
            DirExist=false;
          }
          CreatePath(DestFileName,DestNameW,true);
          MDCode=MakeDir(DestFileName,DestNameW,!Cmd->IgnoreGeneralAttr,Arc.NewLhd.FileAttr);
        }
        if (MDCode==MKDIR_SUCCESS)
        {
#ifndef GUI
          mprintf(St(MCreatDir),DestFileName);
          mprintf(" %s",St(MOk));
#endif
          PrevExtracted=true;
        }
        else
          if (DirExist)
          {
            if (!Cmd->IgnoreGeneralAttr)
              SetFileAttr(DestFileName,DestNameW,Arc.NewLhd.FileAttr);
            PrevExtracted=true;
          }
          else
          {
            Log(Arc.FileName,St(MExtrErrMkDir),DestFileName);
            ErrHandler.SysErrMsg();
#ifdef RARDLL
            Cmd->DllError=ERAR_ECREATE;
#endif
            ErrHandler.SetErrorCode(CREATE_ERROR);
          }
        if (PrevExtracted)
        {
#if defined(_WIN_32) && !defined(_WIN_CE) && !defined(SFX_MODULE)
          if (Cmd->SetCompressedAttr &&
              (Arc.NewLhd.FileAttr & FILE_ATTRIBUTE_COMPRESSED)!=0 && WinNT())
            SetFileCompression(DestFileName,DestNameW,true);
#endif
          SetDirTime(DestFileName,DestNameW,
            Cmd->xmtime==EXTTIME_NONE ? NULL:&Arc.NewLhd.mtime,
            Cmd->xctime==EXTTIME_NONE ? NULL:&Arc.NewLhd.ctime,
            Cmd->xatime==EXTTIME_NONE ? NULL:&Arc.NewLhd.atime);
        }
        return(true);
      }
      else
      {
        if (Cmd->Test && ExtrFile)
          TestMode=true;
#if !defined(GUI) && !defined(SFX_MODULE)
        if (Command=='P' && ExtrFile)
          CurFile.SetHandleType(FILE_HANDLESTD);
#endif
        if ((Command=='E' || Command=='X') && ExtrFile && !Cmd->Test)
        {
          bool UserReject;
          if (!FileCreate(Cmd,&CurFile,DestFileName,DestNameW,Cmd->Overwrite,&UserReject,Arc.NewLhd.FullUnpSize,Arc.NewLhd.FileTime))
          {
            ExtrFile=false;
            if (!UserReject)
            {
              ErrHandler.CreateErrorMsg(Arc.FileName,DestFileName);
              ErrHandler.SetErrorCode(CREATE_ERROR);
#ifdef RARDLL
              Cmd->DllError=ERAR_ECREATE;
#endif
              if (!IsNameUsable(DestFileName))
              {
                Log(Arc.FileName,St(MCorrectingName));
                char OrigName[sizeof(DestFileName)];
                strncpyz(OrigName,DestFileName,ASIZE(OrigName));

                MakeNameUsable(DestFileName,true);
                CreatePath(DestFileName,NULL,true);
                if (FileCreate(Cmd,&CurFile,DestFileName,NULL,Cmd->Overwrite,&UserReject,Arc.NewLhd.FullUnpSize,Arc.NewLhd.FileTime))
                {
#ifndef SFX_MODULE
                  Log(Arc.FileName,St(MRenaming),OrigName,DestFileName);
#endif
                  ExtrFile=true;
                }
                else
                  ErrHandler.CreateErrorMsg(Arc.FileName,DestFileName);
              }
            }
          }
        }
      }

    if (!ExtrFile && Arc.Solid)
    {
      SkipSolid=true;
      TestMode=true;
      ExtrFile=true;

    }
    if (ExtrFile)
    {
      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)
          {
            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("     ");
#endif
      DataIO.CurUnpRead=0;
      DataIO.CurUnpWrite=0;
      DataIO.UnpFileCRC=Arc.OldFormat ? 0 : 0xffffffff;
      DataIO.PackedCRC=0xffffffff;
      DataIO.SetEncryption(
        (Arc.NewLhd.Flags & LHD_PASSWORD) ? Arc.NewLhd.UnpVer:0,Password,
        (Arc.NewLhd.Flags & LHD_SALT) ? Arc.NewLhd.Salt:NULL,false,
        Arc.NewLhd.UnpVer>=36);
      DataIO.SetPackedSizeToRead(Arc.NewLhd.FullPackSize);
      DataIO.SetFiles(&Arc,&CurFile);
      DataIO.SetTestMode(TestMode);
      DataIO.SetSkipUnpCRC(SkipSolid);
#ifndef _WIN_CE
      if (!TestMode && !Arc.BrokenFileHeader &&
          (Arc.NewLhd.FullPackSize<<11)>Arc.NewLhd.FullUnpSize &&
          (Arc.NewLhd.FullUnpSize<100000000 || Arc.FileLength()>Arc.NewLhd.FullPackSize))
        CurFile.Prealloc(Arc.NewLhd.FullUnpSize);
#endif

      CurFile.SetAllowDelete(!Cmd->KeepBroken);

      bool LinkCreateMode=!Cmd->Test && !SkipSolid;
      if (ExtractLink(DataIO,Arc,DestFileName,DataIO.UnpFileCRC,LinkCreateMode))
        PrevExtracted=LinkCreateMode;
      else
        if ((Arc.NewLhd.Flags & LHD_SPLIT_BEFORE)==0)
          if (Arc.NewLhd.Method==0x30)
            UnstoreFile(DataIO,Arc.NewLhd.FullUnpSize);
          else
          {
            Unp->SetDestSize(Arc.NewLhd.FullUnpSize);
#ifndef SFX_MODULE
            if (Arc.NewLhd.UnpVer<=15)
              Unp->DoUnpack(15,FileCount>1 && Arc.Solid);
            else
#endif
              Unp->DoUnpack(Arc.NewLhd.UnpVer,(Arc.NewLhd.Flags & LHD_SOLID)!=0);
          }

      if (Arc.IsOpened())
        Arc.SeekToNext();

      bool BrokenFile=false;
      if (!SkipSolid)
      {
        if (Arc.OldFormat && UINT32(DataIO.UnpFileCRC)==UINT32(Arc.NewLhd.FileCRC) ||
            !Arc.OldFormat && UINT32(DataIO.UnpFileCRC)==UINT32(Arc.NewLhd.FileCRC^0xffffffff))
        {
#ifndef GUI
          if (Command!='P' && Command!='I')
            mprintf("%s%s ",Cmd->DisablePercentage ? " ":"\b\b\b\b\b ",St(MOk));
#endif
        }
        else
        {
          char *BadArcName=/*(Arc.NewLhd.Flags & LHD_SPLIT_BEFORE) ? NULL:*/Arc.FileName;
          if (Arc.NewLhd.Flags & LHD_PASSWORD)
          {
            Log(BadArcName,St(MEncrBadCRC),ArcFileName);
          }
          else
          {
            Log(BadArcName,St(MCRCFailed),ArcFileName);
          }
          BrokenFile=true;
          ErrHandler.SetErrorCode(CRC_ERROR);
#ifdef RARDLL
          Cmd->DllError=ERAR_BAD_DATA;
#endif
          Alarm();
        }
      }
#ifndef GUI
      else
        mprintf("\b\b\b\b\b     ");
#endif

      if (!TestMode && (Command=='X' || Command=='E') &&
          !IsLink(Arc.NewLhd.FileAttr))
      {
#if defined(_WIN_32) || defined(_EMX)
        if (Cmd->ClearArc)
          Arc.NewLhd.FileAttr&=~FA_ARCH;
/*
        else
          Arc.NewLhd.FileAttr|=FA_ARCH; //set archive bit for unpacked files (file is not backed up)
*/
#endif
        if (!BrokenFile || Cmd->KeepBroken)
        {
          if (BrokenFile)
            CurFile.Truncate();
          CurFile.SetOpenFileTime(
            Cmd->xmtime==EXTTIME_NONE ? NULL:&Arc.NewLhd.mtime,
            Cmd->xctime==EXTTIME_NONE ? NULL:&Arc.NewLhd.ctime,
            Cmd->xatime==EXTTIME_NONE ? NULL:&Arc.NewLhd.atime);
          CurFile.Close();
#if defined(_WIN_32) && !defined(_WIN_CE) && !defined(SFX_MODULE)
          if (Cmd->SetCompressedAttr &&
              (Arc.NewLhd.FileAttr & FILE_ATTRIBUTE_COMPRESSED)!=0 && WinNT())
            SetFileCompression(CurFile.FileName,CurFile.FileNameW,true);
#endif
          CurFile.SetCloseFileTime(
            Cmd->xmtime==EXTTIME_NONE ? NULL:&Arc.NewLhd.mtime,
            Cmd->xatime==EXTTIME_NONE ? NULL:&Arc.NewLhd.atime);
          if (!Cmd->IgnoreGeneralAttr)
            SetFileAttr(CurFile.FileName,CurFile.FileNameW,Arc.NewLhd.FileAttr);
          PrevExtracted=true;
        }
      }
    }
  }
  if (ExactMatch)
    MatchedArgs++;
  if (DataIO.NextVolumeMissing || !Arc.IsOpened())
    return(false);
  if (!ExtrFile)
    if (!Arc.Solid)
      Arc.SeekToNext();
    else
      if (!SkipSolid)
        return(false);
  return(true);
}