restemplate/indy/Protocols/IdFTPListParseWfFTP.pas

{
  $Project$
  $Workfile$
  $Revision$
  $DateUTC$
  $Id$

  This file is part of the Indy (Internet Direct) project, and is offered
  under the dual-licensing agreement described on the Indy website.
  (http://www.indyproject.org/)

  Copyright:
   (c) 1993-2005, Chad Z. Hower and the Indy Pit Crew. All rights reserved.
}
{
  $Log$
}
{
  Rev 1.1    10/26/2004 11:21:16 PM  JPMugaas
  Updated refs.

  Rev 1.0    10/21/2004 10:27:32 PM  JPMugaas
}

unit IdFTPListParseWfFTP;

{
  BayNetworks WfFTP FTP Server.  WfFTP is a FTP interface for Bay Network's
  Wellfleet router.
}

interface

{$i IdCompilerDefines.inc}

uses
  Classes,
  IdFTPList, IdFTPListParseBase, IdFTPListTypes;

{
  WfFTP is a FTP interface for BayNetwork's Wellfleet Routers.

  Based on:
  Configuration Guide
  Contivity Secure IP Services Gateway
  CG040301
  from Nortell Networks
  Dated March 2004

  Notation, the dir format is like this:

  ===

  Volume - drive 1:
  Directory of 1:

  File Name            Size    Date     Day       Time
  ------------------------------------------------------
  startup.cfg          2116  03/06/03  Thur.    07:38:50
  configPppChap        2996  03/12/03  Wed.     16:43:58
  bgpOspf.log         32428  03/20/03  Thur.    13:08:26
  an.exe            7112672  03/20/03  Thur.    13:18:09
  bcc.help           492551  03/20/03  Thur.    13:21:43
  debug.al            12319  03/20/03  Thur.    13:22:46
  install.bat        236499  03/20/03  Thur.    13:22:54
  ti.cfg                132  03/20/03  Thur.    13:23:09
  log2.log            32428  03/20/03  Thur.    14:31:46
  configFrRip           386  07/18/03  Fri.     12:02:25
  config               1720  07/25/03  Fri.     08:52:00
  hosts                  17  09/04/03  Thur.    15:56:51

  33554432 bytes - Total size
  25627726 bytes - Available free space
  17672120 bytes - Contiguous free space
  226 ASCII Transfer Complete.
  ===
  ===

  Volume - drive 2:
  Directory of 2:

  File Name             Size    Date     Day      Time
  ------------------------------------------------------
  config.isp           45016  08/22/97  Fri.    17:05:51
  startup.cfg           7472  08/24/97  Sun.    23:31:31
  asnboot.exe         237212  08/24/97  Sun.    23:31:41
  asndiag.exe         259268  08/24/97  Sun.    23:32:28
  debug.al             12372  08/24/97  Sun.    23:33:17
  ti_asn.cfg             504  08/24/97  Sun.    23:33:31
  install.bat         189114  08/24/97  Sun.    23:33:41
  config               50140  04/20/98  Mon.    22:08:01

  4194304 bytes - Total size
  3375190 bytes - Available free space
  3239088 bytes - Contiguous free space

  ====

  From: http://www.insecure.org/sploits/bay-networks.baynets.html
}

type
  TIdWfFTPFTPListItem = class(TIdOwnerFTPListItem)
  end;

  TIdFTPLPWfFTP = class(TIdFTPListBaseHeader)
  protected
    class function MakeNewItem(AOwner : TIdFTPListItems) : TIdFTPListItem; override;
    class function IsHeader(const AData: String): Boolean; override;
    class function IsFooter(const AData : String): Boolean; override;
    class function ParseLine(const AItem : TIdFTPListItem; const APath : String = ''): Boolean; override;
  public
    class function GetIdent : String; override;
  end;

const
  WFFTP = 'WfFTP';

  // RLebeau 2/14/09: this forces C++Builder to link to this unit so
  // RegisterFTPListParser can be called correctly at program startup...

  {$IFDEF HAS_DIRECTIVE_HPPEMIT_LINKUNIT}
    {$HPPEMIT LINKUNIT}
  {$ELSE}
    {$HPPEMIT '#pragma link "IdFTPListParseWfFTP"'}
  {$ENDIF}

implementation

uses
  IdFTPCommon, IdGlobal, SysUtils;

{ TIdFTPLPWfFTP }

class function TIdFTPLPWfFTP.GetIdent: String;
begin
  Result := WFFTP;
end;

class function TIdFTPLPWfFTP.IsFooter(const AData: String): Boolean;
var
  s : TStrings;
begin
  Result := (IndyPos('bytes - Total size', AData) > 1) or            {do not localize}
            (IndyPos('bytes - Contiguous free space', AData) > 1) or {do not localize}
            (IndyPos('bytes - Available free space', AData) > 1);    {do not localize}
  if not Result then
  begin
    s := TStringList.Create;
    try
      SplitDelimitedString(AData, s, True);
      if s.Count = 6 then
      begin
        Result := (s[0] = 'File') and {do not localize}
                  (s[1] = 'Name') and {do not localize}
                  (s[2] = 'Size') and {do not localize}
                  (s[3] = 'Date') and {do not localize}
                  (s[4] = 'Day') and {do not localize}
                  (s[5] = 'Time');   {do not localize}
      end;
    finally
      FreeAndNil(s);
    end;
  end;
end;

class function TIdFTPLPWfFTP.IsHeader(const AData: String): Boolean;
begin
  Result := TextStartsWith(AData, ' Volume - drive ') or TextStartsWith(AData, ' Directory of ');  {Do not translate}
end;

class function TIdFTPLPWfFTP.MakeNewItem(AOwner: TIdFTPListItems): TIdFTPListItem;
begin
  Result := TIdWfFTPFTPListItem.Create(AOwner);
end;

class function TIdFTPLPWfFTP.ParseLine(const AItem: TIdFTPListItem;
  const APath: String): Boolean;
var
  LLine : String;
begin
  Result := True;
  //we'll assume that this is flat - not unusual in some routers
  AItem.ItemType := ditFile;
  //config               50140  04/20/98  Mon.    22:08:01
  LLine := AItem.Data;
  //file name
  AItem.FileName := Fetch(LLine);
  //size
  LLine := TrimLeft(LLine);
  AItem.Size := IndyStrToInt64(Fetch(LLine), 0);
  // date
  LLine := TrimLeft(LLine);
  AItem.ModifiedDate := DateMMDDYY(Fetch(LLine));
  //day of week - discard
  LLine := TrimLeft(LLine);
  Fetch(LLine);
  LLine := TrimLeft(LLine);
  //time
  AItem.ModifiedDate := AItem.ModifiedDate + TimeHHMMSS(Fetch(LLine));
end;

initialization
  RegisterFTPListParser(TIdFTPLPWfFTP);
finalization
  UnRegisterFTPListParser(TIdFTPLPWfFTP);

end.