void ExtractUnixOwner20(Archive &Arc,const wchar *FileName)

{

  char NameA[NM];

  WideToChar(FileName,NameA,ASIZE(NameA));

  if (Arc.BrokenHeader)

  {

    uiMsg(UIERROR_UOWNERBROKEN,Arc.FileName,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)

  {

    uiMsg(UIERROR_UOWNERGETOWNERID,Arc.FileName,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)

  {

    uiMsg(UIERROR_UOWNERGETGROUPID,Arc.FileName,GetWide(Arc.UOHead.GroupName));

    ErrHandler.SysErrMsg();

    ErrHandler.SetErrorCode(RARX_CRC);

    return;

  }

  uint Attr=GetFileAttr(FileName);

  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

  {

    uiMsg(UIERROR_UOWNERSET,Arc.FileName,FileName);

    ErrHandler.SetErrorCode(RARX_CREATE);

  }

  SetFileAttr(FileName,Attr);

}

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)

  {

    uiMsg(UIERROR_UOWNERGETOWNERID,Arc.FileName,GetWide(OwnerName));

    ErrHandler.SetErrorCode(RARX_WARNING);

    return;

  }

  uid_t OwnerID=pw->pw_uid;

  struct group *gr;

  if ((gr=getgrnam(GroupName))==NULL)

  {

    uiMsg(UIERROR_UOWNERGETGROUPID,Arc.FileName,GetWide(GroupName));

    ErrHandler.SetErrorCode(RARX_WARNING);

    return;

  }

  uint Attr=GetFileAttr(FileName);

  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

  {

    uiMsg(UIERROR_UOWNERSET,Arc.FileName,FileName);

    ErrHandler.SetErrorCode(RARX_CREATE);

  }

  SetFileAttr(FileName,Attr);

}

void SetUnixOwner(Archive &Arc,const wchar *FileName)

{

  char NameA[NM];

  WideToChar(FileName,NameA,ASIZE(NameA));

  // First, we try to resolve symbolic names. If they are missing or cannot

  // be resolved, we try to use numeric values if any. If numeric values

  // are missing too, function fails.

  FileHeader &hd=Arc.FileHead;

  if (*hd.UnixOwnerName!=0)

  {

    struct passwd *pw;

    if ((pw=getpwnam(hd.UnixOwnerName))==NULL)

    {

      if (!hd.UnixOwnerNumeric)

      {

        uiMsg(UIERROR_UOWNERGETOWNERID,Arc.FileName,GetWide(hd.UnixOwnerName));

        ErrHandler.SetErrorCode(RARX_WARNING);

        return;

      }

    }

    else

      hd.UnixOwnerID=pw->pw_uid;

  }

  if (*hd.UnixGroupName!=0)

  {

    struct group *gr;

    if ((gr=getgrnam(hd.UnixGroupName))==NULL)

    {

      if (!hd.UnixGroupNumeric)

      {

        uiMsg(UIERROR_UOWNERGETGROUPID,Arc.FileName,GetWide(hd.UnixGroupName));

        ErrHandler.SetErrorCode(RARX_WARNING);

        return;

      }

    }

    else

      hd.UnixGroupID=gr->gr_gid;

  }

#if defined(SAVE_LINKS) && !defined(_APPLE)

  if (lchown(NameA,hd.UnixOwnerID,hd.UnixGroupID)!=0)

#else

  if (chown(NameA,hd.UnixOwnerID,hd.UnixGroupID)!=0)

#endif

  {

    uiMsg(UIERROR_UOWNERSET,Arc.FileName,FileName);

    ErrHandler.SetErrorCode(RARX_CREATE);

  }

}