Ejemplo n.º 1
0
MKDIR_CODE MakeDir(const wchar *Name,bool SetAttr,uint Attr)
{
#ifdef _WIN_ALL
  BOOL RetCode=CreateDirectory(Name,NULL);
  if (RetCode==0 && !FileExist(Name))
  {
    wchar LongName[NM];
    if (GetWinLongPath(Name,LongName,ASIZE(LongName)))
      RetCode=CreateDirectory(LongName,NULL);
  }
  if (RetCode!=0) // Non-zero return code means success for CreateDirectory.
  {
    if (SetAttr)
      SetFileAttr(Name,Attr);
    return MKDIR_SUCCESS;
  }
  int ErrCode=GetLastError();
  if (ErrCode==ERROR_FILE_NOT_FOUND || ErrCode==ERROR_PATH_NOT_FOUND)
    return MKDIR_BADPATH;
  return MKDIR_ERROR;
#elif defined(_UNIX)
  char NameA[NM];
  WideToChar(Name,NameA,ASIZE(NameA));
  mode_t uattr=SetAttr ? (mode_t)Attr:0777;
  int ErrCode=mkdir(NameA,uattr);
  if (ErrCode==-1)
    return errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR;
  return MKDIR_SUCCESS;
#else
  return MKDIR_ERROR;
#endif
}
Ejemplo n.º 2
0
void PrepareToDelete(const char *Name,const wchar *NameW)
{
#if defined(_WIN_32) || defined(_EMX)
  SetFileAttr(Name,NameW,0);
#endif
#ifdef _UNIX
  chmod(Name,S_IRUSR|S_IWUSR);
#endif
}
Ejemplo n.º 3
0
MKDIR_CODE MakeDir(const char *Name,const wchar *NameW,uint Attr)
{
#ifdef _WIN_32
  int Success;
#if !defined(_XBOX) && !defined(_LINUX)
  if (WinNT() && NameW!=NULL && *NameW!=0)
    Success=CreateDirectoryW(NameW,NULL);
  else
#endif
    Success=CreateDirectory(Name,NULL);
  if (Success)
  {
    SetFileAttr(Name,NameW,Attr);
    return(MKDIR_SUCCESS);
  }
  int ErrCode=GetLastError();
  if (ErrCode==ERROR_FILE_NOT_FOUND || ErrCode==ERROR_PATH_NOT_FOUND)
    return(MKDIR_BADPATH);
  return(MKDIR_ERROR);
#endif
#ifdef _EMX
#ifdef _DJGPP
  if (mkdir(Name,(Attr & FA_RDONLY) ? 0:S_IWUSR)==0)
#else
  if (__mkdir(Name)==0)
#endif
  {
    SetFileAttr(Name,NameW,Attr);
    return(MKDIR_SUCCESS);
  }
  return(errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR);
#endif
#ifdef _UNIX
  int prevmask=umask(0);
  int ErrCode=Name==NULL ? -1:mkdir(Name,(mode_t)Attr);
  umask(prevmask);
  if (ErrCode==-1)
    return(errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR);
  return(MKDIR_SUCCESS);
#endif
}
Ejemplo n.º 4
0
MKDIR_CODE MakeDir(const char *Name,const wchar *NameW,bool SetAttr,uint Attr)
{
#ifdef _WIN_32
  int Success;
  if (WinNT() && NameW!=NULL && *NameW!=0)
    Success=CreateDirectoryW(NameW,NULL);
  else
    Success=CreateDirectory(Name,NULL);
  if (Success)
  {
    if (SetAttr)
      SetFileAttr(Name,NameW,Attr);
    return(MKDIR_SUCCESS);
  }
  int ErrCode=GetLastError();
  if (ErrCode==ERROR_FILE_NOT_FOUND || ErrCode==ERROR_PATH_NOT_FOUND)
    return(MKDIR_BADPATH);
  return(MKDIR_ERROR);
#endif
#ifdef _EMX
#ifdef _DJGPP
  if (mkdir(Name,(Attr & FA_RDONLY) ? 0:S_IWUSR)==0)
#else
  if (__mkdir(Name)==0)
#endif
  {
    if (SetAttr)
      SetFileAttr(Name,NameW,Attr);
    return(MKDIR_SUCCESS);
  }
  return(errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR);
#endif
#ifdef _UNIX
  mode_t uattr=SetAttr ? (mode_t)Attr:0777;
  int ErrCode=Name==NULL ? -1:mkdir(Name,uattr);
  if (ErrCode==-1)
    return(errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR);
  return(MKDIR_SUCCESS);
#endif
}
Ejemplo n.º 5
0
void SetDirTime(const wchar *Name,RarTime *ftm,RarTime *ftc,RarTime *fta)
{
#ifdef _WIN_ALL
  bool sm=ftm!=NULL && ftm->IsSet();
  bool sc=ftc!=NULL && ftc->IsSet();
  bool sa=fta!=NULL && fta->IsSet();

  uint DirAttr=GetFileAttr(Name);
  bool ResetAttr=(DirAttr!=0xffffffff && (DirAttr & FILE_ATTRIBUTE_READONLY)!=0);
  if (ResetAttr)
    SetFileAttr(Name,0);

  HANDLE hFile=CreateFile(Name,GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,
                          NULL,OPEN_EXISTING,FILE_FLAG_BACKUP_SEMANTICS,NULL);
  if (hFile==INVALID_HANDLE_VALUE)
  {
    wchar LongName[NM];
    if (GetWinLongPath(Name,LongName,ASIZE(LongName)))
      hFile=CreateFile(LongName,GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,
                       NULL,OPEN_EXISTING,FILE_FLAG_BACKUP_SEMANTICS,NULL);
  }

  if (hFile==INVALID_HANDLE_VALUE)
    return;
  FILETIME fm,fc,fa;
  if (sm)
    ftm->GetWin32(&fm);
  if (sc)
    ftc->GetWin32(&fc);
  if (sa)
    fta->GetWin32(&fa);
  SetFileTime(hFile,sc ? &fc:NULL,sa ? &fa:NULL,sm ? &fm:NULL);
  CloseHandle(hFile);
  if (ResetAttr)
    SetFileAttr(Name,DirAttr);
#endif
#if defined(_UNIX) || defined(_EMX)
  File::SetCloseFileTimeByName(Name,ftm,fta);
#endif
}
Ejemplo n.º 6
0
void File::SetCloseFileStat(RarTime *ftm,RarTime *fta,uint FileAttr)
{
#ifdef _WIN_32
    //SetFileAttr(FileName,FileNameW,FileAttr);
#endif
#ifdef _EMX
    SetCloseFileTime(ftm,fta);
    SetFileAttr(FileName,FileNameW,FileAttr);
#endif
#ifdef _UNIX
    SetCloseFileTime(ftm,fta);
    chmod(FileName,(mode_t)FileAttr);
#endif
}
Ejemplo n.º 7
0
void PrepareToDelete(const wchar *Name)
{
#if defined(_WIN_ALL) || defined(_EMX)
  SetFileAttr(Name,0);
#endif
#ifdef _UNIX
  if (Name!=NULL)
  {
    char NameA[NM];
    WideToChar(Name,NameA,ASIZE(NameA));
    chmod(NameA,S_IRUSR|S_IWUSR|S_IXUSR);
  }
#endif
}
Ejemplo n.º 8
0
void SetDirTime(const char *Name,const wchar *NameW,RarTime *ftm,RarTime *ftc,RarTime *fta)
{
#ifdef _WIN_32
  if (!WinNT())
    return;

  bool sm=ftm!=NULL && ftm->IsSet();
  bool sc=ftc!=NULL && ftc->IsSet();
  bool sa=fta!=NULL && fta->IsSet();

  unsigned int DirAttr=GetFileAttr(Name,NameW);
  bool ResetAttr=(DirAttr!=0xffffffff && (DirAttr & FA_RDONLY)!=0);
  if (ResetAttr)
    SetFileAttr(Name,NameW,0);

  wchar DirNameW[NM];
  GetWideName(Name,NameW,DirNameW);
  HANDLE hFile=CreateFileW(DirNameW,GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,
                          NULL,OPEN_EXISTING,FILE_FLAG_BACKUP_SEMANTICS,NULL);
  if (hFile==INVALID_HANDLE_VALUE)
    return;
  FILETIME fm,fc,fa;
  if (sm)
    ftm->GetWin32(&fm);
  if (sc)
    ftc->GetWin32(&fc);
  if (sa)
    fta->GetWin32(&fa);
  SetFileTime(hFile,sc ? &fc:NULL,sa ? &fa:NULL,sm ? &fm:NULL);
  CloseHandle(hFile);
  if (ResetAttr)
    SetFileAttr(Name,NameW,DirAttr);
#endif
#if defined(_UNIX) || defined(_EMX)
  File::SetCloseFileTimeByName(Name,ftm,fta);
#endif
}
Ejemplo n.º 9
0
void ExtractUnixOwner20(Archive &Arc,const wchar *FileName)
{
  char NameA[NM];
  WideToChar(FileName,NameA,ASIZE(NameA));

  if (Arc.BrokenHeader)
  {
    Log(Arc.FileName,St(MOwnersBroken),FileName);
    ErrHandler.SetErrorCode(RARX_CRC);
    return;
  }

  struct passwd *pw;
  errno=0; // Required by getpwnam specification if we need to check errno.
  if ((pw=getpwnam(Arc.UOHead.OwnerName))==NULL)
  {
    Log(Arc.FileName,St(MErrGetOwnerID),GetWide(Arc.UOHead.OwnerName));
    ErrHandler.SysErrMsg();
    ErrHandler.SetErrorCode(RARX_WARNING);
    return;
  }
  uid_t OwnerID=pw->pw_uid;

  struct group *gr;
  errno=0; // Required by getgrnam specification if we need to check errno.
  if ((gr=getgrnam(Arc.UOHead.GroupName))==NULL)
  {
    Log(Arc.FileName,St(MErrGetGroupID),GetWide(Arc.UOHead.GroupName));
    ErrHandler.SysErrMsg();
    ErrHandler.SetErrorCode(RARX_CRC);
    return;
  }
  gid_t GroupID=gr->gr_gid;
#if defined(SAVE_LINKS) && !defined(_APPLE)
  if (lchown(NameA,OwnerID,GroupID)!=0)
#else
  if (chown(NameA,OwnerID,GroupID)!=0)
#endif
  {
    Log(Arc.FileName,St(MSetOwnersError),FileName);
    ErrHandler.SetErrorCode(RARX_CREATE);
  }
#ifndef NOFILECREATE
  uint Attr=GetFileAttr(FileName);
  SetFileAttr(FileName,Attr);
#endif
}
Ejemplo n.º 10
0
void ExtractUnixOwner30(Archive &Arc,const wchar *FileName)
{
  char NameA[NM];
  WideToChar(FileName,NameA,ASIZE(NameA));

  char *OwnerName=(char *)&Arc.SubHead.SubData[0];
  int OwnerSize=strlen(OwnerName)+1;
  int GroupSize=Arc.SubHead.SubData.Size()-OwnerSize;
  char GroupName[NM];
  strncpy(GroupName,(char *)&Arc.SubHead.SubData[OwnerSize],GroupSize);
  GroupName[GroupSize]=0;

  struct passwd *pw;
  if ((pw=getpwnam(OwnerName))==NULL)
  {
    Log(Arc.FileName,St(MErrGetOwnerID),GetWide(OwnerName));
    ErrHandler.SetErrorCode(RARX_WARNING);
    return;
  }
  uid_t OwnerID=pw->pw_uid;

  struct group *gr;
  if ((gr=getgrnam(GroupName))==NULL)
  {
    Log(Arc.FileName,St(MErrGetGroupID),GetWide(GroupName));
    ErrHandler.SetErrorCode(RARX_WARNING);
    return;
  }
  gid_t GroupID=gr->gr_gid;
#if defined(SAVE_LINKS) && !defined(_APPLE)
  if (lchown(NameA,OwnerID,GroupID)!=0)
#else
  if (chown(NameA,OwnerID,GroupID)!=0)
#endif
  {
    Log(Arc.FileName,St(MSetOwnersError),FileName);
    ErrHandler.SetErrorCode(RARX_CREATE);
  }
#ifndef NOFILECREATE
  uint Attr=GetFileAttr(FileName);
  SetFileAttr(FileName,Attr);
#endif
}
Ejemplo n.º 11
0
void ExtractUnixOwner(Archive &Arc,char *FileName)
{
  if (Arc.HeaderCRC!=Arc.UOHead.HeadCRC)
  {
    Log(Arc.FileName,St(MOwnersBroken),FileName);
    ErrHandler.SetErrorCode(RARX_CRC);
    return;
  }

  struct passwd *pw;
  errno=0; // Required by getpwnam specification if we need to check errno.
  if ((pw=getpwnam(Arc.UOHead.OwnerName))==NULL)
  {
    Log(Arc.FileName,St(MErrGetOwnerID),Arc.UOHead.OwnerName);
    ErrHandler.SysErrMsg();
    ErrHandler.SetErrorCode(RARX_WARNING);
    return;
  }
  uid_t OwnerID=pw->pw_uid;

  struct group *gr;
  errno=0; // Required by getgrnam specification if we need to check errno.
  if ((gr=getgrnam(Arc.UOHead.GroupName))==NULL)
  {
    Log(Arc.FileName,St(MErrGetGroupID),Arc.UOHead.GroupName);
    ErrHandler.SysErrMsg();
    ErrHandler.SetErrorCode(RARX_CRC);
    return;
  }
  uint Attr=GetFileAttr(FileName,NULL);
  gid_t GroupID=gr->gr_gid;
#if defined(SAVE_LINKS) && !defined(_APPLE)
  if (lchown(FileName,OwnerID,GroupID)!=0)
#else
  if (chown(FileName,OwnerID,GroupID)!=0)
#endif
  {
    Log(Arc.FileName,St(MSetOwnersError),FileName);
    ErrHandler.SetErrorCode(RARX_CREATE);
  }
  SetFileAttr(FileName,NULL,Attr);
}
Ejemplo n.º 12
0
MKDIR_CODE MakeDir(const wchar *Name,bool SetAttr,uint Attr)
{
#ifdef _WIN_ALL
  // Windows automatically removes dots and spaces in the end of directory
  // name. So we detect such names and process them with \\?\ prefix.
  wchar *LastChar=PointToLastChar(Name);
  bool Special=*LastChar=='.' || *LastChar==' ';
  BOOL RetCode=Special ? FALSE : CreateDirectory(Name,NULL);
  if (RetCode==0 && !FileExist(Name))
  {
    wchar LongName[NM];
    if (GetWinLongPath(Name,LongName,ASIZE(LongName)))
      RetCode=CreateDirectory(LongName,NULL);
  }
  if (RetCode!=0) // Non-zero return code means success for CreateDirectory.
  {
    if (SetAttr)
      SetFileAttr(Name,Attr);
    return MKDIR_SUCCESS;
  }
  int ErrCode=GetLastError();
  if (ErrCode==ERROR_FILE_NOT_FOUND || ErrCode==ERROR_PATH_NOT_FOUND)
    return MKDIR_BADPATH;
  return MKDIR_ERROR;
#elif defined(_UNIX)
  char NameA[NM];
  WideToChar(Name,NameA,ASIZE(NameA));
  mode_t uattr=SetAttr ? (mode_t)Attr:0777;
  int ErrCode=mkdir(NameA,uattr);
#ifdef _ANDROID
  if (ErrCode==-1 && errno!=ENOENT)
    ErrCode=JniMkdir(Name) ? 0 : -1;  // If external card is read-only for usual file API.
  if (ErrCode!=-1)
    JniFileNotify(Name,false);
#endif
  if (ErrCode==-1)
    return errno==ENOENT ? MKDIR_BADPATH:MKDIR_ERROR;
  return MKDIR_SUCCESS;
#else
  return MKDIR_ERROR;
#endif
}
Ejemplo n.º 13
0
void ExtractUnixOwner(Archive &Arc,char *FileName)
{
  if (Arc.HeaderCRC!=Arc.UOHead.HeadCRC)
  {
    Log(Arc.FileName,St(MOwnersBroken),FileName);
    ErrHandler.SetErrorCode(CRC_ERROR);
    return;
  }

  struct passwd *pw;
  if ((pw=getpwnam(Arc.UOHead.OwnerName))==NULL)
  {
    Log(Arc.FileName,St(MErrGetOwnerID),Arc.UOHead.OwnerName);
    ErrHandler.SetErrorCode(WARNING);
    return;
  }
  uid_t OwnerID=pw->pw_uid;

  struct group *gr;
  if ((gr=getgrnam(Arc.UOHead.GroupName))==NULL)
  {
    Log(Arc.FileName,St(MErrGetGroupID),Arc.UOHead.GroupName);
    ErrHandler.SetErrorCode(CRC_ERROR);
    return;
  }
  uint Attr=GetFileAttr(FileName,NULL);
  gid_t GroupID=gr->gr_gid;
#if defined(SAVE_LINKS) && !defined(_APPLE)
  if (lchown(FileName,OwnerID,GroupID)!=0)
#else
  if (chown(FileName,OwnerID,GroupID)!=0)
#endif
  {
    Log(Arc.FileName,St(MSetOwnersError),FileName);
    ErrHandler.SetErrorCode(CRC_ERROR);
  }
  SetFileAttr(FileName,NULL,Attr);
}
Ejemplo n.º 14
0
void ExtractUnixOwnerNew(Archive &Arc,char *FileName)
{
  char *OwnerName=(char *)&Arc.SubHead.SubData[0];
  int OwnerSize=strlen(OwnerName)+1;
  int GroupSize=Arc.SubHead.SubData.Size()-OwnerSize;
  char GroupName[NM];
  strncpy(GroupName,(char *)&Arc.SubHead.SubData[OwnerSize],GroupSize);
  GroupName[GroupSize]=0;

  struct passwd *pw;
  if ((pw=getpwnam(OwnerName))==NULL)
  {
    Log(Arc.FileName,St(MErrGetOwnerID),OwnerName);
    ErrHandler.SetErrorCode(WARNING);
    return;
  }
  uid_t OwnerID=pw->pw_uid;

  struct group *gr;
  if ((gr=getgrnam(GroupName))==NULL)
  {
    Log(Arc.FileName,St(MErrGetGroupID),GroupName);
    ErrHandler.SetErrorCode(CRC_ERROR);
    return;
  }
  uint Attr=GetFileAttr(FileName,NULL);
  gid_t GroupID=gr->gr_gid;
#if defined(SAVE_LINKS) && !defined(_APPLE)
  if (lchown(FileName,OwnerID,GroupID)!=0)
#else
  if (chown(FileName,OwnerID,GroupID)!=0)
#endif
  {
    Log(Arc.FileName,St(MSetOwnersError),FileName);
    ErrHandler.SetErrorCode(CRC_ERROR);
  }
  SetFileAttr(FileName,NULL,Attr);
}
Ejemplo n.º 15
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);
}
Ejemplo n.º 16
0
void ExtractStreams20(Archive &Arc,const wchar *FileName)
{
  if (Arc.BrokenHeader)
  {
    uiMsg(UIERROR_STREAMBROKEN,Arc.FileName,FileName);
    ErrHandler.SetErrorCode(RARX_CRC);
    return;
  }

  if (Arc.StreamHead.Method<0x31 || Arc.StreamHead.Method>0x35 || Arc.StreamHead.UnpVer>VER_PACK)
  {
    uiMsg(UIERROR_STREAMUNKNOWN,Arc.FileName,FileName);
    ErrHandler.SetErrorCode(RARX_WARNING);
    return;
  }

  wchar StreamName[NM+2];
  if (FileName[0]!=0 && FileName[1]==0)
  {
    wcscpy(StreamName,L".\\");
    wcscpy(StreamName+2,FileName);
  }
  else
    wcscpy(StreamName,FileName);
  if (wcslen(StreamName)+strlen(Arc.StreamHead.StreamName)>=ASIZE(StreamName) ||
      Arc.StreamHead.StreamName[0]!=':')
  {
    uiMsg(UIERROR_STREAMBROKEN,Arc.FileName,FileName);
    ErrHandler.SetErrorCode(RARX_CRC);
    return;
  }

  wchar StoredName[NM];
  CharToWide(Arc.StreamHead.StreamName,StoredName,ASIZE(StoredName));
  ConvertPath(StoredName+1,StoredName+1);

  wcsncatz(StreamName,StoredName,ASIZE(StreamName));

  FindData fd;
  bool Found=FindFile::FastFind(FileName,&fd);

  if ((fd.FileAttr & FILE_ATTRIBUTE_READONLY)!=0)
    SetFileAttr(FileName,fd.FileAttr & ~FILE_ATTRIBUTE_READONLY);

  File CurFile;
  if (CurFile.WCreate(StreamName))
  {
    ComprDataIO DataIO;
    Unpack Unpack(&DataIO);
    Unpack.Init(0x10000,false);

    DataIO.SetPackedSizeToRead(Arc.StreamHead.DataSize);
    DataIO.EnableShowProgress(false);
    DataIO.SetFiles(&Arc,&CurFile);
    DataIO.UnpHash.Init(HASH_CRC32,1);
    Unpack.SetDestSize(Arc.StreamHead.UnpSize);
    Unpack.DoUnpack(Arc.StreamHead.UnpVer,false);

    if (Arc.StreamHead.StreamCRC!=DataIO.UnpHash.GetCRC32())
    {
      uiMsg(UIERROR_STREAMBROKEN,Arc.FileName,StreamName);
      ErrHandler.SetErrorCode(RARX_CRC);
    }
    else
      CurFile.Close();
  }
  File HostFile;
  if (Found && HostFile.Open(FileName,FMF_OPENSHARED|FMF_UPDATE))
    SetFileTime(HostFile.GetHandle(),&fd.ftCreationTime,&fd.ftLastAccessTime,
                &fd.ftLastWriteTime);
  if ((fd.FileAttr & FILE_ATTRIBUTE_READONLY)!=0)
    SetFileAttr(FileName,fd.FileAttr);
}
Ejemplo n.º 17
0
void CmdExtract::ExtrCreateDir(Archive &Arc,const wchar *ArcFileName)
{
  if (Cmd->Test)
  {
#ifndef GUI
    mprintf(St(MExtrTestFile),ArcFileName);
    mprintf(L" %s",St(MOk));
#endif
    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);
      MDCode=MakeDir(DestFileName,!Cmd->IgnoreGeneralAttr,Arc.FileHead.FileAttr);
      if (MDCode!=MKDIR_SUCCESS)
      {
        wchar OrigName[ASIZE(DestFileName)];
        wcsncpyz(OrigName,DestFileName,ASIZE(OrigName));
        MakeNameUsable(DestFileName,true);
        CreatePath(DestFileName,true);
        MDCode=MakeDir(DestFileName,!Cmd->IgnoreGeneralAttr,Arc.FileHead.FileAttr);
#ifndef SFX_MODULE
        if (MDCode==MKDIR_SUCCESS)
          uiMsg(UIERROR_RENAMING,Arc.FileName,OrigName,DestFileName);
#endif
      }
    }
  }
  if (MDCode==MKDIR_SUCCESS)
  {
#ifndef GUI
    mprintf(St(MCreatDir),DestFileName);
    mprintf(L" %s",St(MOk));
#endif
    PrevExtracted=true;
  }
  else
    if (DirExist)
    {
      if (!Cmd->IgnoreGeneralAttr)
        SetFileAttr(DestFileName,Arc.FileHead.FileAttr);
      PrevExtracted=true;
    }
    else
    {
      uiMsg(UIERROR_DIRCREATE,Arc.FileName,DestFileName);
      ErrHandler.SysErrMsg();
#ifdef RARDLL
      Cmd->DllError=ERAR_ECREATE;
#endif
      ErrHandler.SetErrorCode(RARX_CREATE);
    }
  if (PrevExtracted)
  {
#if defined(_WIN_ALL) && !defined(SFX_MODULE)
    if (Cmd->SetCompressedAttr &&
        (Arc.FileHead.FileAttr & FILE_ATTRIBUTE_COMPRESSED)!=0 && WinNT())
      SetFileCompression(DestFileName,true);
#endif
    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);
  }
}
Ejemplo n.º 18
0
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;
}
Ejemplo n.º 19
0
void ExtractStreamsNew(Archive& Arc, char* FileName, wchar* FileNameW)
{
    if (!WinNT())
        return;

    wchar NameW[NM];

    if (FileNameW != NULL && *FileNameW != 0)
        wcscpy(NameW, FileNameW);

    else
        CharToWide(FileName, NameW);

    wchar StreamNameW[NM + 2];

    if (NameW[0] != 0 && NameW[1] == 0)
    {
        wcscpy(StreamNameW, L".\\");
        wcscpy(StreamNameW + 2, NameW);
    }

    else
        wcscpy(StreamNameW, NameW);

    wchar* DestName = StreamNameW + wcslen(StreamNameW);
    byte* SrcName = &Arc.SubHead.SubData[0];
    size_t DestSize = Arc.SubHead.SubData.Size() / 2;

    if (wcslen(StreamNameW) + DestSize >= ASIZE(StreamNameW))
    {
#if !defined(SILENT) && !defined(SFX_MODULE)
        Log(Arc.FileName, St(MStreamBroken), FileName);
#endif
        ErrHandler.SetErrorCode(CRC_ERROR);
        return;
    }

    RawToWide(SrcName, DestName, DestSize);
    DestName[DestSize] = 0;

    if (*DestName != ':')
    {
#if !defined(SILENT) && !defined(SFX_MODULE)
        Log(Arc.FileName, St(MStreamBroken), FileName);
#endif
        ErrHandler.SetErrorCode(CRC_ERROR);
        return;
    }

    ConvertPath(DestName + 1, DestName + 1);
    FindData fd;
    bool Found = FindFile::FastFind(FileName, FileNameW, &fd);

    if (fd.FileAttr & FILE_ATTRIBUTE_READONLY)
        SetFileAttr(FileName, FileNameW, fd.FileAttr & ~FILE_ATTRIBUTE_READONLY);

    char StreamName[NM];
    WideToChar(StreamNameW, StreamName);
    File CurFile;

    if (CurFile.WCreate(StreamName, StreamNameW) && Arc.ReadSubData(NULL, &CurFile))
        CurFile.Close();

    File HostFile;

    if (Found && HostFile.Open(FileName, FileNameW, true, true))
        SetFileTime(HostFile.GetHandle(), &fd.ftCreationTime, &fd.ftLastAccessTime,
                    &fd.ftLastWriteTime);

    // Restoring original file attributes. Important if file was read only
    // or did not have "Archive" attribute
    SetFileAttr(FileName, FileNameW, fd.FileAttr);
}
Ejemplo n.º 20
0
bool CreateReparsePoint(CommandData *Cmd,const wchar *Name,FileHeader *hd)
{
  static bool PrivSet=false;
  if (!PrivSet)
  {
    SetPrivilege(SE_RESTORE_NAME);
    // Not sure if we really need it, but let's request anyway.
    SetPrivilege(SE_CREATE_SYMBOLIC_LINK_NAME);
    PrivSet=true;
  }

  const DWORD BufSize=sizeof(REPARSE_DATA_BUFFER)+2*NM+1024;
  Array<byte> Buf(BufSize);
  REPARSE_DATA_BUFFER *rdb=(REPARSE_DATA_BUFFER *)&Buf[0];

  wchar SubstName[NM];
  wcsncpyz(SubstName,hd->RedirName,ASIZE(SubstName));
  size_t SubstLength=wcslen(SubstName);

  wchar PrintName[NM],*PrintNameSrc=SubstName,*PrintNameDst=PrintName;
  bool WinPrefix=wcsncmp(PrintNameSrc,L"\\??\\",4)==0;
  if (WinPrefix)
    PrintNameSrc+=4;
  if (WinPrefix && wcsncmp(PrintNameSrc,L"UNC\\",4)==0)
  {
    *(PrintNameDst++)='\\'; // Insert second \ in beginning of share name.
    PrintNameSrc+=3;
  }
  wcscpy(PrintNameDst,PrintNameSrc);

  size_t PrintLength=wcslen(PrintName);

  bool AbsPath=WinPrefix;
  if (!Cmd->AbsoluteLinks && (AbsPath || !IsRelativeSymlinkSafe(hd->FileName,hd->RedirName)))
    return false;

  CreatePath(Name,true);

  // 'DirTarget' check is important for Unix symlinks to directories.
  // Unix symlinks do not have their own 'directory' attribute.
  if (hd->Dir || hd->DirTarget)
  {
    if (!CreateDirectory(Name,NULL))
      return false;
  }
  else
  {
    HANDLE hFile=CreateFile(Name,GENERIC_WRITE,0,NULL,CREATE_NEW,FILE_ATTRIBUTE_NORMAL,NULL);
    if (hFile == INVALID_HANDLE_VALUE)
      return false;
    CloseHandle(hFile);
  }


  if (hd->RedirType==FSREDIR_JUNCTION)
  {
    rdb->ReparseTag=IO_REPARSE_TAG_MOUNT_POINT;
    rdb->ReparseDataLength=USHORT(
      sizeof(rdb->MountPointReparseBuffer.SubstituteNameOffset)+
      sizeof(rdb->MountPointReparseBuffer.SubstituteNameLength)+
      sizeof(rdb->MountPointReparseBuffer.PrintNameOffset)+
      sizeof(rdb->MountPointReparseBuffer.PrintNameLength)+
      (SubstLength+1)*sizeof(WCHAR)+(PrintLength+1)*sizeof(WCHAR));
    rdb->Reserved=0;

    rdb->MountPointReparseBuffer.SubstituteNameOffset=0;
    rdb->MountPointReparseBuffer.SubstituteNameLength=USHORT(SubstLength*sizeof(WCHAR));
    wcscpy(rdb->MountPointReparseBuffer.PathBuffer,SubstName);

    rdb->MountPointReparseBuffer.PrintNameOffset=USHORT((SubstLength+1)*sizeof(WCHAR));
    rdb->MountPointReparseBuffer.PrintNameLength=USHORT(PrintLength*sizeof(WCHAR));
    wcscpy(rdb->MountPointReparseBuffer.PathBuffer+SubstLength+1,PrintName);
  }
  else
    if (hd->RedirType==FSREDIR_WINSYMLINK || hd->RedirType==FSREDIR_UNIXSYMLINK)
    {
      rdb->ReparseTag=IO_REPARSE_TAG_SYMLINK;
      rdb->ReparseDataLength=USHORT(
        sizeof(rdb->SymbolicLinkReparseBuffer.SubstituteNameOffset)+
        sizeof(rdb->SymbolicLinkReparseBuffer.SubstituteNameLength)+
        sizeof(rdb->SymbolicLinkReparseBuffer.PrintNameOffset)+
        sizeof(rdb->SymbolicLinkReparseBuffer.PrintNameLength)+
        sizeof(rdb->SymbolicLinkReparseBuffer.Flags)+
        (SubstLength+1)*sizeof(WCHAR)+(PrintLength+1)*sizeof(WCHAR));
      rdb->Reserved=0;

      rdb->SymbolicLinkReparseBuffer.SubstituteNameOffset=0;
      rdb->SymbolicLinkReparseBuffer.SubstituteNameLength=USHORT(SubstLength*sizeof(WCHAR));
      wcscpy(rdb->SymbolicLinkReparseBuffer.PathBuffer,SubstName);

      rdb->SymbolicLinkReparseBuffer.PrintNameOffset=USHORT((SubstLength+1)*sizeof(WCHAR));
      rdb->SymbolicLinkReparseBuffer.PrintNameLength=USHORT(PrintLength*sizeof(WCHAR));
      wcscpy(rdb->SymbolicLinkReparseBuffer.PathBuffer+SubstLength+1,PrintName);

      rdb->SymbolicLinkReparseBuffer.Flags=AbsPath ? 0:SYMLINK_FLAG_RELATIVE;
    }
    else
      return false;

  HANDLE hFile=CreateFile(Name,GENERIC_READ|GENERIC_WRITE,0,NULL,
               OPEN_EXISTING,FILE_FLAG_OPEN_REPARSE_POINT| 
               FILE_FLAG_BACKUP_SEMANTICS,NULL);
  if (hFile==INVALID_HANDLE_VALUE)
    return false;

  DWORD Returned;
  if (!DeviceIoControl(hFile,FSCTL_SET_REPARSE_POINT,rdb, 
      FIELD_OFFSET(REPARSE_DATA_BUFFER,GenericReparseBuffer)+
      rdb->ReparseDataLength,NULL,0,&Returned,NULL))
  { 
    CloseHandle(hFile);
    uiMsg(UIERROR_SLINKCREATE,UINULL,Name);
    if (GetLastError()==ERROR_PRIVILEGE_NOT_HELD)
      uiMsg(UIERROR_NEEDADMIN);
    ErrHandler.SysErrMsg();
    ErrHandler.SetErrorCode(RARX_CREATE);

    if (hd->Dir)
      RemoveDirectory(Name);
    else
      DeleteFile(Name);
    return false;
  }
  File LinkFile;
  LinkFile.SetHandle(hFile);
  LinkFile.SetOpenFileTime(
    Cmd->xmtime==EXTTIME_NONE ? NULL:&hd->mtime,
    Cmd->xctime==EXTTIME_NONE ? NULL:&hd->ctime,
    Cmd->xatime==EXTTIME_NONE ? NULL:&hd->atime);
  LinkFile.Close();
  if (!Cmd->IgnoreGeneralAttr)
    SetFileAttr(Name,hd->FileAttr);
  return true;
}
Ejemplo n.º 21
0
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;
}
Ejemplo n.º 22
0
void ExtractStreams(Archive &Arc,char *FileName,wchar *FileNameW)
{
  if (!WinNT())
    return;

  if (Arc.HeaderCRC!=Arc.StreamHead.HeadCRC)
  {
#ifndef SILENT
    Log(Arc.FileName,St(MStreamBroken),FileName);
#endif
    ErrHandler.SetErrorCode(CRC_ERROR);
    return;
  }

  if (Arc.StreamHead.Method<0x31 || Arc.StreamHead.Method>0x35 || Arc.StreamHead.UnpVer>PACK_VER)
  {
#ifndef SILENT
    Log(Arc.FileName,St(MStreamUnknown),FileName);
#endif
    ErrHandler.SetErrorCode(WARNING);
    return;
  }

  char StreamName[NM+2];
  if (FileName[0]!=0 && FileName[1]==0)
  {
    strcpy(StreamName,".\\");
    strcpy(StreamName+2,FileName);
  }
  else
    strcpy(StreamName,FileName);
  if (strlen(StreamName)+strlen((char *)Arc.StreamHead.StreamName)>=sizeof(StreamName))
  {
#ifndef SILENT
    Log(Arc.FileName,St(MStreamBroken),FileName);
#endif
    ErrHandler.SetErrorCode(CRC_ERROR);
    return;
  }

  strcat(StreamName,(char *)Arc.StreamHead.StreamName);

  FindData fd;
  bool Found=FindFile::FastFind(FileName,FileNameW,&fd);

  if (fd.FileAttr & FILE_ATTRIBUTE_READONLY)
    SetFileAttr(FileName,FileNameW,fd.FileAttr & ~FILE_ATTRIBUTE_READONLY);

  File CurFile;
  if (CurFile.WCreate(StreamName))
  {
    ComprDataIO DataIO;
    Unpack Unpack(&DataIO);
    Unpack.Init();

    Array<unsigned char> UnpData(Arc.StreamHead.UnpSize);
    DataIO.SetPackedSizeToRead(Arc.StreamHead.DataSize);
    DataIO.EnableShowProgress(false);
    DataIO.SetFiles(&Arc,&CurFile);
    Unpack.SetDestSize(Arc.StreamHead.UnpSize);
    Unpack.DoUnpack(Arc.StreamHead.UnpVer,false);

    if (Arc.StreamHead.StreamCRC!=~DataIO.UnpFileCRC)
    {
#ifndef SILENT
      Log(Arc.FileName,St(MStreamBroken),StreamName);
#endif
      ErrHandler.SetErrorCode(CRC_ERROR);
    }
    else
      CurFile.Close();
  }
  File HostFile;
  if (Found && HostFile.Open(FileName,FileNameW,true,true))
    SetFileTime(HostFile.GetHandle(),&fd.ftCreationTime,&fd.ftLastAccessTime,
                &fd.ftLastWriteTime);
  if (fd.FileAttr & FILE_ATTRIBUTE_READONLY)
    SetFileAttr(FileName,FileNameW,fd.FileAttr);
}