d9f38e7342
git-svn-id: https://svn.code.sf.net/p/synalist/code/trunk@74 7c85be65-684b-0410-a082-b2ed4fbef004
1976 lines
56 KiB
ObjectPascal
1976 lines
56 KiB
ObjectPascal
{==============================================================================|
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| Project : Ararat Synapse | 003.001.000 |
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|==============================================================================|
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| Content: FTP client |
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|==============================================================================|
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| Copyright (c)1999-2004, Lukas Gebauer |
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| All rights reserved. |
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| |
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| Redistribution and use in source and binary forms, with or without |
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| modification, are permitted provided that the following conditions are met: |
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| |
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| Redistributions of source code must retain the above copyright notice, this |
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| list of conditions and the following disclaimer. |
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| |
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| Redistributions in binary form must reproduce the above copyright notice, |
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| this list of conditions and the following disclaimer in the documentation |
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| and/or other materials provided with the distribution. |
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| |
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| Neither the name of Lukas Gebauer nor the names of its contributors may |
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| be used to endorse or promote products derived from this software without |
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| specific prior written permission. |
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| |
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| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR |
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| ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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| CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
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| DAMAGE. |
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|==============================================================================|
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| The Initial Developer of the Original Code is Lukas Gebauer (Czech Republic).|
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| Portions created by Lukas Gebauer are Copyright (c) 1999-2004. |
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| All Rights Reserved. |
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|==============================================================================|
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| Contributor(s): |
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| Petr Esner <petr.esner@atlas.cz> |
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|==============================================================================|
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| History: see HISTORY.HTM from distribution package |
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| (Found at URL: http://www.ararat.cz/synapse/) |
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|==============================================================================}
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{: @abstract(FTP client protocol)
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Used RFC: RFC-959, RFC-2228, RFC-2428
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}
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{$IFDEF FPC}
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{$MODE DELPHI}
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{$ENDIF}
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{$H+}
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unit ftpsend;
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interface
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uses
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SysUtils, Classes,
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{$IFDEF STREAMSEC}
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TlsInternalServer, TlsSynaSock,
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{$ENDIF}
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blcksock, synautil, synsock;
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const
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cFtpProtocol = 'ftp';
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cFtpDataProtocol = 'ftp-data';
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{:Terminating value for TLogonActions}
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FTP_OK = 255;
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{:Terminating value for TLogonActions}
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FTP_ERR = 254;
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type
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{:Array for holding definition of logon sequence.}
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TLogonActions = array [0..17] of byte;
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{:Procedural type for OnStatus event. Sender is calling @link(TFTPSend) object.
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Value is FTP command or reply to this comand. (if it is reply, Response
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is @True).}
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TFTPStatus = procedure(Sender: TObject; Response: Boolean;
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const Value: string) of object;
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{: @abstract(Object for holding file information) parsed from directory
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listing of FTP server.}
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TFTPListRec = class(TObject)
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private
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FFileName: string;
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FDirectory: Boolean;
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FReadable: Boolean;
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FFileSize: Longint;
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FFileTime: TDateTime;
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FOriginalLine: string;
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FMask: string;
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FPermission: string;
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public
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{: You can assign another TFTPListRec to this object.}
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procedure Assign(Value: TFTPListRec); virtual;
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published
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{:name of file}
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property FileName: string read FFileName write FFileName;
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{:if name is subdirectory not file.}
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property Directory: Boolean read FDirectory write FDirectory;
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{:if you have rights to read}
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property Readable: Boolean read FReadable write FReadable;
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{:size of file in bytes}
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property FileSize: Longint read FFileSize write FFileSize;
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{:date and time of file. Local server timezone is used. Any timezone
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conversions was not done!}
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property FileTime: TDateTime read FFileTime write FFileTime;
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{:original unparsed line}
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property OriginalLine: string read FOriginalLine write FOriginalLine;
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{:mask what was used for parsing}
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property Mask: string read FMask write FMask;
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{:permission string (depending on used mask!)}
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property Permission: string read FPermission write FPermission;
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end;
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{:@abstract(This is TList of TFTPListRec objects.)
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This object is used for holding lististing of all files information in listed
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directory on FTP server.}
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TFTPList = class(TObject)
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protected
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FList: TList;
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FLines: TStringList;
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FMasks: TStringList;
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FUnparsedLines: TStringList;
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Monthnames: string;
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BlockSize: string;
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DirFlagValue: string;
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FileName: string;
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VMSFileName: string;
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Day: string;
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Month: string;
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ThreeMonth: string;
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YearTime: string;
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Year: string;
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Hours: string;
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HoursModif: string;
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Minutes: string;
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Seconds: string;
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Size: string;
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Permissions: string;
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DirFlag: string;
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function GetListItem(Index: integer): TFTPListRec; virtual;
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function ParseEPLF(Value: string): Boolean; virtual;
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procedure ClearStore; virtual;
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function ParseByMask(Value, NextValue, Mask: string): Integer; virtual;
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function CheckValues: Boolean; virtual;
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procedure FillRecord(const Value: TFTPListRec); virtual;
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public
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{:Constructor. You not need create this object, it is created by TFTPSend
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class as their property.}
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constructor Create;
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destructor Destroy; override;
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{:Clear list.}
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procedure Clear; virtual;
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{:count of holded @link(TFTPListRec) objects}
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function Count: integer; virtual;
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{:Assigns one list to another}
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procedure Assign(Value: TFTPList); virtual;
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{:try to parse raw directory listing in @link(lines) to list of
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@link(TFTPListRec).}
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procedure ParseLines; virtual;
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{:By this property you have access to list of @link(TFTPListRec).
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This is for compatibility only. Please, use @link(Items) instead.}
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property List: TList read FList;
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{:By this property you have access to list of @link(TFTPListRec).}
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property Items[Index: Integer]: TFTPListRec read GetListItem; default;
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{:Set of lines with RAW directory listing for @link(parseLines)}
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property Lines: TStringList read FLines;
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{:Set of masks for directory listing parser. It is predefined by default,
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however you can modify it as you need. (for example, you can add your own
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definition mask.) Mask is same as mask used in TotalCommander.}
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property Masks: TStringList read FMasks;
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{:After @link(ParseLines) it holding lines what was not sucessfully parsed.}
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property UnparsedLines: TStringList read FUnparsedLines;
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end;
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{:@abstract(Implementation of FTP protocol.)
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Note: Are you missing properties for setting Username and Password? Look to
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parent @link(TSynaClient) object! (Username and Password have default values
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for "anonymous" FTP login)
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Are you missing properties for specify server address and port? Look to
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parent @link(TSynaClient) too!}
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TFTPSend = class(TSynaClient)
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protected
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FOnStatus: TFTPStatus;
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{$IFDEF STREAMSEC}
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FSock: TSsTCPBlockSocket;
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FDSock: TSsTCPBlockSocket;
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FTLSServer: TCustomTLSInternalServer;
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{$ELSE}
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FSock: TTCPBlockSocket;
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FDSock: TTCPBlockSocket;
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{$ENDIF}
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FResultCode: Integer;
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FResultString: string;
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FFullResult: TStringList;
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FAccount: string;
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FFWHost: string;
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FFWPort: string;
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FFWUsername: string;
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FFWPassword: string;
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FFWMode: integer;
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FDataStream: TMemoryStream;
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FDataIP: string;
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FDataPort: string;
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FDirectFile: Boolean;
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FDirectFileName: string;
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FCanResume: Boolean;
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FPassiveMode: Boolean;
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FForceDefaultPort: Boolean;
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FForceOldPort: Boolean;
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FFtpList: TFTPList;
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FBinaryMode: Boolean;
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FAutoTLS: Boolean;
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FIsTLS: Boolean;
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FIsDataTLS: Boolean;
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FTLSonData: Boolean;
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FFullSSL: Boolean;
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function Auth(Mode: integer): Boolean; virtual;
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function Connect: Boolean; virtual;
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function InternalStor(const Command: string; RestoreAt: integer): Boolean; virtual;
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function DataSocket: Boolean; virtual;
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function AcceptDataSocket: Boolean; virtual;
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procedure DoStatus(Response: Boolean; const Value: string); virtual;
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public
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{:Custom definition of login sequence. You can use this when you set
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@link(FWMode) to value -1.}
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CustomLogon: TLogonActions;
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constructor Create;
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destructor Destroy; override;
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{:Waits and read FTP server response. You need this only in special cases!}
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function ReadResult: Integer; virtual;
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{:Parse remote side information of data channel from value string (returned
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by PASV command). This function you need only in special cases!}
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procedure ParseRemote(Value: string); virtual;
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{:Parse remote side information of data channel from value string (returned
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by EPSV command). This function you need only in special cases!}
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procedure ParseRemoteEPSV(Value: string); virtual;
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{:Send Value as FTP command to FTP server. Returned result code is result of
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this function.
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This command is good for sending site specific command, or non-standard
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commands.}
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function FTPCommand(const Value: string): integer; virtual;
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{:Connect and logon to FTP server. If you specify any FireWall, connect to
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firewall and throw them connect to FTP server. Login sequence depending on
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@link(FWMode).}
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function Login: Boolean; virtual;
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{:Logoff and disconnect from FTP server.}
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function Logout: Boolean; virtual;
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{:Break current transmission of data. (You can call this method from
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Sock.OnStatus event, or from another thread.)}
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procedure Abort; virtual;
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{:Download directory listing of Directory on FTP server. If Directory is
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empty string, download listing of current working directory.
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If NameList is @true, download only names of files in directory.
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(internally use NLST command instead LIST command)
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If NameList is @false, returned list is also parsed to @link(FTPList)
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property.}
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function List(Directory: string; NameList: Boolean): Boolean; virtual;
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{:Read data from FileName on FTP server. If Restore is @true and server
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supports resume dowloads, download is resumed. (received is only rest
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of file)}
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function RetrieveFile(const FileName: string; Restore: Boolean): Boolean; virtual;
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{:Send data to FileName on FTP server. If Restore is @true and server
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supports resume upload, upload is resumed. (send only rest of file)
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In this case if remote file is same length as local file, nothing will be
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done. If remote file is larger then local, resume is disabled and file is
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transfered from begin!}
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function StoreFile(const FileName: string; Restore: Boolean): Boolean; virtual;
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{:Send data to FTP server and assing unique name for this file.}
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function StoreUniqueFile: Boolean; virtual;
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{:Append data to FileName on FTP server.}
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function AppendFile(const FileName: string): Boolean; virtual;
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{:Rename on FTP server file with OldName to NewName.}
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function RenameFile(const OldName, NewName: string): Boolean; virtual;
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{:Delete file FileName on FTP server.}
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function DeleteFile(const FileName: string): Boolean; virtual;
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{:Return size of Filename file on FTP server. If command failed (i.e. not
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implemented), return -1.}
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function FileSize(const FileName: string): integer; virtual;
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{:Send NOOP command to FTP server for preserve of disconnect by inactivity
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timeout.}
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function NoOp: Boolean; virtual;
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{:Change currect working directory to Directory on FTP server.}
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function ChangeWorkingDir(const Directory: string): Boolean; virtual;
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{:walk to upper directory on FTP server.}
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function ChangeToRootDir: Boolean; virtual;
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{:Delete Directory on FTP server.}
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function DeleteDir(const Directory: string): Boolean; virtual;
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{:Create Directory on FTP server.}
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function CreateDir(const Directory: string): Boolean; virtual;
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{:Return current working directory on FTP server.}
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function GetCurrentDir: String; virtual;
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{:Establish data channel to FTP server and retrieve data.
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This function you need only in special cases, i.e. when you need to implement
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some special unsupported FTP command!}
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function DataRead(const DestStream: TStream): Boolean; virtual;
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{:Establish data channel to FTP server and send data.
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This function you need only in special cases, i.e. when you need to implement
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some special unsupported FTP command.}
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function DataWrite(const SourceStream: TStream): Boolean; virtual;
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published
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{:After FTP command contains result number of this operation.}
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property ResultCode: Integer read FResultCode;
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{:After FTP command contains main line of result.}
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property ResultString: string read FResultString;
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{:After any FTP command it contains all lines of FTP server reply.}
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property FullResult: TStringList read FFullResult;
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{:Account information used in some cases inside login sequence.}
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property Account: string read FAccount Write FAccount;
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{:Address of firewall. If empty string (default), firewall not used.}
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property FWHost: string read FFWHost Write FFWHost;
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{:port of firewall. standard value is same port as ftp server used. (21)}
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property FWPort: string read FFWPort Write FFWPort;
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{:Username for login to firewall. (if needed)}
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property FWUsername: string read FFWUsername Write FFWUsername;
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{:password for login to firewall. (if needed)}
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property FWPassword: string read FFWPassword Write FFWPassword;
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{:Type of Firewall. Used only if you set some firewall address. Supported
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predefined firewall login sequences are described by comments in source
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file where you can see pseudocode decribing each sequence.}
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property FWMode: integer read FFWMode Write FFWMode;
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{$IFDEF STREAMSEC}
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property Sock: TSsTCPBlockSocket read FSock;
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property DSock: TSsTCPBlockSocket read FDSock;
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property TLSServer: TCustomTLSInternalServer read FTLSServer write FTLSServer;
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{$ELSE}
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{:Socket object used for TCP/IP operation on control channel. Good for
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seting OnStatus hook, etc.}
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property Sock: TTCPBlockSocket read FSock;
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{:Socket object used for TCP/IP operation on data channel. Good for seting
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OnStatus hook, etc.}
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property DSock: TTCPBlockSocket read FDSock;
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{$ENDIF}
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{:If you not use @link(DirectFile) mode, all data transfers is made to or
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from this stream.}
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property DataStream: TMemoryStream read FDataStream;
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{:After data connection is established, contains remote side IP of this
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connection.}
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property DataIP: string read FDataIP;
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{:After data connection is established, contains remote side port of this
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connection.}
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property DataPort: string read FDataPort;
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{:Mode of data handling by data connection. If @False, all data operations
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are made to or from @link(DataStream) TMemoryStream.
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If @true, data operations is made directly to file in your disk. (filename
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is specified by @link(DirectFileName) property.) Dafault is @False!}
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property DirectFile: Boolean read FDirectFile Write FDirectFile;
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{:Filename for direct disk data operations.}
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property DirectFileName: string read FDirectFileName Write FDirectFileName;
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{:Indicate after @link(Login) if remote server support resume downloads and
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uploads.}
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property CanResume: Boolean read FCanResume;
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{:If true (default value), all transfers is made by passive method.
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It is safer method for various firewalls.}
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property PassiveMode: Boolean read FPassiveMode Write FPassiveMode;
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{:Force to listen for dataconnection on standard port (20). Default is @false,
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dataconnections will be made to any non-standard port reported by PORT FTP
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command. This setting is not used, if you use passive mode.}
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property ForceDefaultPort: Boolean read FForceDefaultPort Write FForceDefaultPort;
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{:When is @true, then is disabled EPSV and EPRT support. However without this
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commands you cannot use IPv6! (Disabling of this commands is needed only
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when you are behind some crap firewall/NAT.}
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property ForceOldPort: Boolean read FForceOldPort Write FForceOldPort;
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{:You may set this hook for monitoring FTP commands and replies.}
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property OnStatus: TFTPStatus read FOnStatus write FOnStatus;
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{:After LIST command is here parsed list of files in given directory.}
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property FtpList: TFTPList read FFtpList;
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{:if @true (default), then data transfers is in binary mode. If this is set
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to @false, then ASCII mode is used.}
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property BinaryMode: Boolean read FBinaryMode Write FBinaryMode;
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{:if is true, then if server support upgrade to SSL/TLS mode, then use them.}
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property AutoTLS: Boolean read FAutoTLS Write FAutoTLS;
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{:if server listen on SSL/TLS port, then you set this to true.}
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property FullSSL: Boolean read FFullSSL Write FFullSSL;
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{:Signalise, if control channel is in SSL/TLS mode.}
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property IsTLS: Boolean read FIsTLS;
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{:Signalise, if data transfers is in SSL/TLS mode.}
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property IsDataTLS: Boolean read FIsDataTLS;
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{:If @true (default), then try to use SSL/TLS on data transfers too.
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If @false, then SSL/TLS is used only for control connection.}
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property TLSonData: Boolean read FTLSonData write FTLSonData;
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end;
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{:A very useful function, and example of use can be found in the TFtpSend object.
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Dowload specified file from FTP server to LocalFile.}
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function FtpGetFile(const IP, Port, FileName, LocalFile,
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User, Pass: string): Boolean;
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{:A very useful function, and example of use can be found in the TFtpSend object.
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Upload specified LocalFile to FTP server.}
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function FtpPutFile(const IP, Port, FileName, LocalFile,
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User, Pass: string): Boolean;
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{:A very useful function, and example of use can be found in the TFtpSend object.
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Initiate transfer of file between two FTP servers.}
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function FtpInterServerTransfer(
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const FromIP, FromPort, FromFile, FromUser, FromPass: string;
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const ToIP, ToPort, ToFile, ToUser, ToPass: string): Boolean;
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implementation
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constructor TFTPSend.Create;
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begin
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inherited Create;
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FFullResult := TStringList.Create;
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FDataStream := TMemoryStream.Create;
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{$IFDEF STREAMSEC}
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FTLSServer := GlobalTLSInternalServer;
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FSock := TSsTCPBlockSocket.Create;
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FSock.BlockingRead := True;
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FSock.ConvertLineEnd := True;
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FDSock := TSsTCPBlockSocket.Create;
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FDSock.BlockingRead := True;
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{$ELSE}
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FSock := TTCPBlockSocket.Create;
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FSock.ConvertLineEnd := True;
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FDSock := TTCPBlockSocket.Create;
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{$ENDIF}
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FFtpList := TFTPList.Create;
|
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FTimeout := 300000;
|
|
FTargetPort := cFtpProtocol;
|
|
FUsername := 'anonymous';
|
|
FPassword := 'anonymous@' + FSock.LocalName;
|
|
FDirectFile := False;
|
|
FPassiveMode := True;
|
|
FForceDefaultPort := False;
|
|
FForceOldPort := false;
|
|
FAccount := '';
|
|
FFWHost := '';
|
|
FFWPort := cFtpProtocol;
|
|
FFWUsername := '';
|
|
FFWPassword := '';
|
|
FFWMode := 0;
|
|
FBinaryMode := True;
|
|
FAutoTLS := False;
|
|
FFullSSL := False;
|
|
FIsTLS := False;
|
|
FIsDataTLS := False;
|
|
FTLSonData := True;
|
|
end;
|
|
|
|
destructor TFTPSend.Destroy;
|
|
begin
|
|
FDSock.Free;
|
|
FSock.Free;
|
|
FFTPList.Free;
|
|
FDataStream.Free;
|
|
FFullResult.Free;
|
|
inherited Destroy;
|
|
end;
|
|
|
|
procedure TFTPSend.DoStatus(Response: Boolean; const Value: string);
|
|
begin
|
|
if assigned(OnStatus) then
|
|
OnStatus(Self, Response, Value);
|
|
end;
|
|
|
|
function TFTPSend.ReadResult: Integer;
|
|
var
|
|
s, c: string;
|
|
begin
|
|
FFullResult.Clear;
|
|
c := '';
|
|
repeat
|
|
s := FSock.RecvString(FTimeout);
|
|
if c = '' then
|
|
if length(s) > 3 then
|
|
if s[4] in [' ', '-'] then
|
|
c :=Copy(s, 1, 3);
|
|
FResultString := s;
|
|
FFullResult.Add(s);
|
|
DoStatus(True, s);
|
|
if FSock.LastError <> 0 then
|
|
Break;
|
|
until (c <> '') and (Pos(c + ' ', s) = 1);
|
|
Result := StrToIntDef(c, 0);
|
|
FResultCode := Result;
|
|
end;
|
|
|
|
function TFTPSend.FTPCommand(const Value: string): integer;
|
|
begin
|
|
FSock.SendString(Value + CRLF);
|
|
DoStatus(False, Value);
|
|
Result := ReadResult;
|
|
end;
|
|
|
|
// based on idea by Petr Esner <petr.esner@atlas.cz>
|
|
function TFTPSend.Auth(Mode: integer): Boolean;
|
|
const
|
|
//if not USER <username> then
|
|
// if not PASS <password> then
|
|
// if not ACCT <account> then ERROR!
|
|
//OK!
|
|
Action0: TLogonActions =
|
|
(0, FTP_OK, 3,
|
|
1, FTP_OK, 6,
|
|
2, FTP_OK, FTP_ERR,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
|
|
//if not USER <FWusername> then
|
|
// if not PASS <FWPassword> then ERROR!
|
|
//if SITE <FTPServer> then ERROR!
|
|
//if not USER <username> then
|
|
// if not PASS <password> then
|
|
// if not ACCT <account> then ERROR!
|
|
//OK!
|
|
Action1: TLogonActions =
|
|
(3, 6, 3,
|
|
4, 6, FTP_ERR,
|
|
5, FTP_ERR, 9,
|
|
0, FTP_OK, 12,
|
|
1, FTP_OK, 15,
|
|
2, FTP_OK, FTP_ERR);
|
|
|
|
//if not USER <FWusername> then
|
|
// if not PASS <FWPassword> then ERROR!
|
|
//if USER <UserName>'@'<FTPServer> then OK!
|
|
//if not PASS <password> then
|
|
// if not ACCT <account> then ERROR!
|
|
//OK!
|
|
Action2: TLogonActions =
|
|
(3, 6, 3,
|
|
4, 6, FTP_ERR,
|
|
6, FTP_OK, 9,
|
|
1, FTP_OK, 12,
|
|
2, FTP_OK, FTP_ERR,
|
|
0, 0, 0);
|
|
|
|
//if not USER <FWusername> then
|
|
// if not PASS <FWPassword> then ERROR!
|
|
//if not USER <username> then
|
|
// if not PASS <password> then
|
|
// if not ACCT <account> then ERROR!
|
|
//OK!
|
|
Action3: TLogonActions =
|
|
(3, 6, 3,
|
|
4, 6, FTP_ERR,
|
|
0, FTP_OK, 9,
|
|
1, FTP_OK, 12,
|
|
2, FTP_OK, FTP_ERR,
|
|
0, 0, 0);
|
|
|
|
//OPEN <FTPserver>
|
|
//if not USER <username> then
|
|
// if not PASS <password> then
|
|
// if not ACCT <account> then ERROR!
|
|
//OK!
|
|
Action4: TLogonActions =
|
|
(7, 3, 3,
|
|
0, FTP_OK, 6,
|
|
1, FTP_OK, 9,
|
|
2, FTP_OK, FTP_ERR,
|
|
0, 0, 0, 0, 0, 0);
|
|
|
|
//if USER <UserName>'@'<FTPServer> then OK!
|
|
//if not PASS <password> then
|
|
// if not ACCT <account> then ERROR!
|
|
//OK!
|
|
Action5: TLogonActions =
|
|
(6, FTP_OK, 3,
|
|
1, FTP_OK, 6,
|
|
2, FTP_OK, FTP_ERR,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
|
|
//if not USER <FWUserName>@<FTPServer> then
|
|
// if not PASS <FWPassword> then ERROR!
|
|
//if not USER <username> then
|
|
// if not PASS <password> then
|
|
// if not ACCT <account> then ERROR!
|
|
//OK!
|
|
Action6: TLogonActions =
|
|
(8, 6, 3,
|
|
4, 6, FTP_ERR,
|
|
0, FTP_OK, 9,
|
|
1, FTP_OK, 12,
|
|
2, FTP_OK, FTP_ERR,
|
|
0, 0, 0);
|
|
|
|
//if USER <UserName>@<FTPServer> <FWUserName> then ERROR!
|
|
//if not PASS <password> then
|
|
// if not ACCT <account> then ERROR!
|
|
//OK!
|
|
Action7: TLogonActions =
|
|
(9, FTP_ERR, 3,
|
|
1, FTP_OK, 6,
|
|
2, FTP_OK, FTP_ERR,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
|
|
//if not USER <UserName>@<FWUserName>@<FTPServer> then
|
|
// if not PASS <Password>@<FWPassword> then
|
|
// if not ACCT <account> then ERROR!
|
|
//OK!
|
|
Action8: TLogonActions =
|
|
(10, FTP_OK, 3,
|
|
11, FTP_OK, 6,
|
|
2, FTP_OK, FTP_ERR,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
var
|
|
FTPServer: string;
|
|
LogonActions: TLogonActions;
|
|
i: integer;
|
|
s: string;
|
|
x: integer;
|
|
begin
|
|
Result := False;
|
|
if FFWHost = '' then
|
|
Mode := 0;
|
|
if (FTargetPort = cFtpProtocol) or (FTargetPort = '21') then
|
|
FTPServer := FTargetHost
|
|
else
|
|
FTPServer := FTargetHost + ':' + FTargetPort;
|
|
case Mode of
|
|
-1:
|
|
LogonActions := CustomLogon;
|
|
1:
|
|
LogonActions := Action1;
|
|
2:
|
|
LogonActions := Action2;
|
|
3:
|
|
LogonActions := Action3;
|
|
4:
|
|
LogonActions := Action4;
|
|
5:
|
|
LogonActions := Action5;
|
|
6:
|
|
LogonActions := Action6;
|
|
7:
|
|
LogonActions := Action7;
|
|
8:
|
|
LogonActions := Action8;
|
|
else
|
|
LogonActions := Action0;
|
|
end;
|
|
i := 0;
|
|
repeat
|
|
case LogonActions[i] of
|
|
0: s := 'USER ' + FUserName;
|
|
1: s := 'PASS ' + FPassword;
|
|
2: s := 'ACCT ' + FAccount;
|
|
3: s := 'USER ' + FFWUserName;
|
|
4: s := 'PASS ' + FFWPassword;
|
|
5: s := 'SITE ' + FTPServer;
|
|
6: s := 'USER ' + FUserName + '@' + FTPServer;
|
|
7: s := 'OPEN ' + FTPServer;
|
|
8: s := 'USER ' + FFWUserName + '@' + FTPServer;
|
|
9: s := 'USER ' + FUserName + '@' + FTPServer + ' ' + FFWUserName;
|
|
10: s := 'USER ' + FUserName + '@' + FFWUserName + '@' + FTPServer;
|
|
11: s := 'PASS ' + FPassword + '@' + FFWPassword;
|
|
end;
|
|
x := FTPCommand(s);
|
|
x := x div 100;
|
|
if (x <> 2) and (x <> 3) then
|
|
Exit;
|
|
i := LogonActions[i + x - 1];
|
|
case i of
|
|
FTP_ERR:
|
|
Exit;
|
|
FTP_OK:
|
|
begin
|
|
Result := True;
|
|
Exit;
|
|
end;
|
|
end;
|
|
until False;
|
|
end;
|
|
|
|
|
|
function TFTPSend.Connect: Boolean;
|
|
begin
|
|
FSock.CloseSocket;
|
|
FSock.Bind(FIPInterface, cAnyPort);
|
|
{$IFDEF STREAMSEC}
|
|
if FFullSSL then
|
|
begin
|
|
if assigned(FTLSServer) then
|
|
FSock.TLSServer := FTLSServer
|
|
else
|
|
begin
|
|
result := False;
|
|
Exit;
|
|
end;
|
|
end
|
|
else
|
|
FSock.TLSServer := nil;
|
|
{$ELSE}
|
|
if FFullSSL then
|
|
FSock.SSLEnabled := True;
|
|
{$ENDIF}
|
|
if FSock.LastError = 0 then
|
|
if FFWHost = '' then
|
|
FSock.Connect(FTargetHost, FTargetPort)
|
|
else
|
|
FSock.Connect(FFWHost, FFWPort);
|
|
Result := FSock.LastError = 0;
|
|
end;
|
|
|
|
function TFTPSend.Login: Boolean;
|
|
var
|
|
x: integer;
|
|
begin
|
|
Result := False;
|
|
FCanResume := False;
|
|
if not Connect then
|
|
Exit;
|
|
FIsTLS := FFullSSL;
|
|
FIsDataTLS := False;
|
|
repeat
|
|
x := ReadResult div 100;
|
|
until x <> 1;
|
|
if x <> 2 then
|
|
Exit;
|
|
if FAutoTLS and not(FIsTLS) then
|
|
if (FTPCommand('AUTH TLS') div 100) = 2 then
|
|
begin
|
|
{$IFDEF STREAMSEC}
|
|
if Assigned(FTLSServer) then
|
|
begin
|
|
Fsock.TLSServer := FTLSServer;
|
|
Fsock.Connect('','');
|
|
FIsTLS := FSock.LastError = 0;
|
|
end;
|
|
{$ELSE}
|
|
FSock.SSLDoConnect;
|
|
FIsTLS := FSock.LastError = 0;
|
|
FDSock.SSLCertificateFile := FSock.SSLCertificateFile;
|
|
FDSock.SSLPrivateKeyFile := FSock.SSLPrivateKeyFile;
|
|
FDSock.SSLCertCAFile := FSock.SSLCertCAFile;
|
|
{$ENDIF}
|
|
if not FIsTLS then
|
|
begin
|
|
Result := False;
|
|
Exit;
|
|
end;
|
|
end;
|
|
if not Auth(FFWMode) then
|
|
Exit;
|
|
if FIsTLS then
|
|
begin
|
|
FTPCommand('PBSZ 0');
|
|
if FTLSonData then
|
|
FIsDataTLS := (FTPCommand('PROT P') div 100) = 2;
|
|
if not FIsDataTLS then
|
|
FTPCommand('PROT C');
|
|
end;
|
|
FTPCommand('TYPE I');
|
|
FTPCommand('STRU F');
|
|
FTPCommand('MODE S');
|
|
if FTPCommand('REST 0') = 350 then
|
|
if FTPCommand('REST 1') = 350 then
|
|
begin
|
|
FTPCommand('REST 0');
|
|
FCanResume := True;
|
|
end;
|
|
Result := True;
|
|
end;
|
|
|
|
function TFTPSend.Logout: Boolean;
|
|
begin
|
|
Result := (FTPCommand('QUIT') div 100) = 2;
|
|
FSock.CloseSocket;
|
|
end;
|
|
|
|
procedure TFTPSend.ParseRemote(Value: string);
|
|
var
|
|
n: integer;
|
|
nb, ne: integer;
|
|
s: string;
|
|
x: integer;
|
|
begin
|
|
Value := trim(Value);
|
|
nb := Pos('(',Value);
|
|
ne := Pos(')',Value);
|
|
if (nb = 0) or (ne = 0) then
|
|
begin
|
|
nb:=RPos(' ',Value);
|
|
s:=Copy(Value, nb + 1, Length(Value) - nb);
|
|
end
|
|
else
|
|
begin
|
|
s:=Copy(Value,nb+1,ne-nb-1);
|
|
end;
|
|
for n := 1 to 4 do
|
|
if n = 1 then
|
|
FDataIP := Fetch(s, ',')
|
|
else
|
|
FDataIP := FDataIP + '.' + Fetch(s, ',');
|
|
x := StrToIntDef(Fetch(s, ','), 0) * 256;
|
|
x := x + StrToIntDef(Fetch(s, ','), 0);
|
|
FDataPort := IntToStr(x);
|
|
end;
|
|
|
|
procedure TFTPSend.ParseRemoteEPSV(Value: string);
|
|
var
|
|
n: integer;
|
|
s, v: string;
|
|
begin
|
|
s := SeparateRight(Value, '(');
|
|
s := Trim(SeparateLeft(s, ')'));
|
|
Delete(s, Length(s), 1);
|
|
v := '';
|
|
for n := Length(s) downto 1 do
|
|
if s[n] in ['0'..'9'] then
|
|
v := s[n] + v
|
|
else
|
|
Break;
|
|
FDataPort := v;
|
|
FDataIP := FTargetHost;
|
|
end;
|
|
|
|
function TFTPSend.DataSocket: boolean;
|
|
var
|
|
s: string;
|
|
begin
|
|
Result := False;
|
|
if FPassiveMode then
|
|
begin
|
|
if FSock.IP6used then
|
|
s := '2'
|
|
else
|
|
s := '1';
|
|
if not(FForceOldPort) and ((FTPCommand('EPSV ' + s) div 100) = 2) then
|
|
begin
|
|
ParseRemoteEPSV(FResultString);
|
|
end
|
|
else
|
|
if FSock.IP6used then
|
|
Exit
|
|
else
|
|
begin
|
|
if (FTPCommand('PASV') div 100) <> 2 then
|
|
Exit;
|
|
ParseRemote(FResultString);
|
|
end;
|
|
FDSock.CloseSocket;
|
|
FDSock.Bind(FIPInterface, cAnyPort);
|
|
FDSock.Connect(FDataIP, FDataPort);
|
|
Result := FDSock.LastError = 0;
|
|
end
|
|
else
|
|
begin
|
|
FDSock.CloseSocket;
|
|
if FForceDefaultPort then
|
|
s := cFtpDataProtocol
|
|
else
|
|
s := '0';
|
|
//data conection from same interface as command connection
|
|
FDSock.Bind(FSock.GetLocalSinIP, s);
|
|
if FDSock.LastError <> 0 then
|
|
Exit;
|
|
FDSock.SetLinger(True, 10);
|
|
FDSock.Listen;
|
|
FDSock.GetSins;
|
|
FDataIP := FDSock.GetLocalSinIP;
|
|
FDataIP := FDSock.ResolveName(FDataIP);
|
|
FDataPort := IntToStr(FDSock.GetLocalSinPort);
|
|
if not FForceOldPort then
|
|
begin
|
|
if IsIp6(FDataIP) then
|
|
s := '2'
|
|
else
|
|
s := '1';
|
|
s := 'EPRT |' + s +'|' + FDataIP + '|' + FDataPort + '|';
|
|
Result := (FTPCommand(s) div 100) = 2;
|
|
end;
|
|
if not Result and IsIP(FDataIP) then
|
|
begin
|
|
s := ReplaceString(FDataIP, '.', ',');
|
|
s := 'PORT ' + s + ',' + IntToStr(FDSock.GetLocalSinPort div 256)
|
|
+ ',' + IntToStr(FDSock.GetLocalSinPort mod 256);
|
|
Result := (FTPCommand(s) div 100) = 2;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function TFTPSend.AcceptDataSocket: Boolean;
|
|
var
|
|
x: TSocket;
|
|
begin
|
|
if FPassiveMode then
|
|
Result := True
|
|
else
|
|
begin
|
|
Result := False;
|
|
if FDSock.CanRead(FTimeout) then
|
|
begin
|
|
x := FDSock.Accept;
|
|
if not FDSock.UsingSocks then
|
|
FDSock.CloseSocket;
|
|
FDSock.Socket := x;
|
|
Result := True;
|
|
end;
|
|
end;
|
|
if Result and FIsDataTLS then
|
|
begin
|
|
{$IFDEF STREAMSEC}
|
|
if Assigned(FTLSServer) then
|
|
begin
|
|
FDSock.TLSServer := FTLSServer;
|
|
FDSock.Connect('','');
|
|
Result := FDSock.LastError = 0;
|
|
end
|
|
else
|
|
Result := False;
|
|
{$ELSE}
|
|
FDSock.SSLDoConnect;
|
|
Result := FDSock.LastError = 0;
|
|
{$ENDIF}
|
|
end;
|
|
end;
|
|
|
|
function TFTPSend.DataRead(const DestStream: TStream): Boolean;
|
|
var
|
|
x: integer;
|
|
begin
|
|
Result := False;
|
|
try
|
|
if not AcceptDataSocket then
|
|
Exit;
|
|
FDSock.RecvStreamRaw(DestStream, FTimeout);
|
|
FDSock.CloseSocket;
|
|
x := ReadResult;
|
|
Result := (x div 100) = 2;
|
|
finally
|
|
FDSock.CloseSocket;
|
|
end;
|
|
end;
|
|
|
|
function TFTPSend.DataWrite(const SourceStream: TStream): Boolean;
|
|
var
|
|
x: integer;
|
|
begin
|
|
Result := False;
|
|
try
|
|
if not AcceptDataSocket then
|
|
Exit;
|
|
FDSock.SendStreamRaw(SourceStream);
|
|
if FDSock.LastError <> 0 then
|
|
Exit;
|
|
FDSock.CloseSocket;
|
|
x := ReadResult;
|
|
Result := (x div 100) = 2;
|
|
finally
|
|
FDSock.CloseSocket;
|
|
end;
|
|
end;
|
|
|
|
function TFTPSend.List(Directory: string; NameList: Boolean): Boolean;
|
|
var
|
|
x: integer;
|
|
begin
|
|
Result := False;
|
|
FDataStream.Clear;
|
|
FFTPList.Clear;
|
|
if Directory <> '' then
|
|
Directory := ' ' + Directory;
|
|
FTPCommand('TYPE A');
|
|
if not DataSocket then
|
|
Exit;
|
|
if NameList then
|
|
x := FTPCommand('NLST' + Directory)
|
|
else
|
|
x := FTPCommand('LIST' + Directory);
|
|
if (x div 100) <> 1 then
|
|
Exit;
|
|
Result := DataRead(FDataStream);
|
|
if (not NameList) and Result then
|
|
begin
|
|
FDataStream.Seek(0, soFromBeginning);
|
|
FFTPList.Lines.LoadFromStream(FDataStream);
|
|
FFTPList.ParseLines;
|
|
end;
|
|
FDataStream.Seek(0, soFromBeginning);
|
|
end;
|
|
|
|
function TFTPSend.RetrieveFile(const FileName: string; Restore: Boolean): Boolean;
|
|
var
|
|
RetrStream: TStream;
|
|
begin
|
|
Result := False;
|
|
if FileName = '' then
|
|
Exit;
|
|
if not DataSocket then
|
|
Exit;
|
|
Restore := Restore and FCanResume;
|
|
if FDirectFile then
|
|
if Restore and FileExists(FDirectFileName) then
|
|
RetrStream := TFileStream.Create(FDirectFileName,
|
|
fmOpenReadWrite or fmShareExclusive)
|
|
else
|
|
RetrStream := TFileStream.Create(FDirectFileName,
|
|
fmCreate or fmShareDenyWrite)
|
|
else
|
|
RetrStream := FDataStream;
|
|
try
|
|
if FBinaryMode then
|
|
FTPCommand('TYPE I')
|
|
else
|
|
FTPCommand('TYPE A');
|
|
if Restore then
|
|
begin
|
|
RetrStream.Seek(0, soFromEnd);
|
|
if (FTPCommand('REST ' + IntToStr(RetrStream.Size)) div 100) <> 3 then
|
|
Exit;
|
|
end
|
|
else
|
|
if RetrStream is TMemoryStream then
|
|
TMemoryStream(RetrStream).Clear;
|
|
if (FTPCommand('RETR ' + FileName) div 100) <> 1 then
|
|
Exit;
|
|
Result := DataRead(RetrStream);
|
|
if not FDirectFile then
|
|
RetrStream.Seek(0, soFromBeginning);
|
|
finally
|
|
if FDirectFile then
|
|
RetrStream.Free;
|
|
end;
|
|
end;
|
|
|
|
function TFTPSend.InternalStor(const Command: string; RestoreAt: integer): Boolean;
|
|
var
|
|
SendStream: TStream;
|
|
StorSize: integer;
|
|
begin
|
|
Result := False;
|
|
if FDirectFile then
|
|
if not FileExists(FDirectFileName) then
|
|
Exit
|
|
else
|
|
SendStream := TFileStream.Create(FDirectFileName,
|
|
fmOpenRead or fmShareDenyWrite)
|
|
else
|
|
SendStream := FDataStream;
|
|
try
|
|
if not DataSocket then
|
|
Exit;
|
|
if FBinaryMode then
|
|
FTPCommand('TYPE I')
|
|
else
|
|
FTPCommand('TYPE A');
|
|
StorSize := SendStream.Size;
|
|
if not FCanResume then
|
|
RestoreAt := 0;
|
|
if (StorSize > 0) and (RestoreAt = StorSize) then
|
|
begin
|
|
Result := True;
|
|
Exit;
|
|
end;
|
|
if RestoreAt > StorSize then
|
|
RestoreAt := 0;
|
|
FTPCommand('ALLO ' + IntToStr(StorSize - RestoreAt));
|
|
if FCanResume then
|
|
if (FTPCommand('REST ' + IntToStr(RestoreAt)) div 100) <> 3 then
|
|
Exit;
|
|
SendStream.Seek(RestoreAt, soFromBeginning);
|
|
if (FTPCommand(Command) div 100) <> 1 then
|
|
Exit;
|
|
Result := DataWrite(SendStream);
|
|
finally
|
|
if FDirectFile then
|
|
SendStream.Free;
|
|
end;
|
|
end;
|
|
|
|
function TFTPSend.StoreFile(const FileName: string; Restore: Boolean): Boolean;
|
|
var
|
|
RestoreAt: integer;
|
|
begin
|
|
Result := False;
|
|
if FileName = '' then
|
|
Exit;
|
|
RestoreAt := 0;
|
|
Restore := Restore and FCanResume;
|
|
if Restore then
|
|
begin
|
|
RestoreAt := Self.FileSize(FileName);
|
|
if RestoreAt < 0 then
|
|
RestoreAt := 0;
|
|
end;
|
|
Result := InternalStor('STOR ' + FileName, RestoreAt);
|
|
end;
|
|
|
|
function TFTPSend.StoreUniqueFile: Boolean;
|
|
begin
|
|
Result := InternalStor('STOU', 0);
|
|
end;
|
|
|
|
function TFTPSend.AppendFile(const FileName: string): Boolean;
|
|
begin
|
|
Result := False;
|
|
if FileName = '' then
|
|
Exit;
|
|
Result := InternalStor('APPE '+FileName, 0);
|
|
end;
|
|
|
|
function TFTPSend.NoOp: Boolean;
|
|
begin
|
|
Result := (FTPCommand('NOOP') div 100) = 2;
|
|
end;
|
|
|
|
function TFTPSend.RenameFile(const OldName, NewName: string): Boolean;
|
|
begin
|
|
Result := False;
|
|
if (FTPCommand('RNFR ' + OldName) div 100) <> 3 then
|
|
Exit;
|
|
Result := (FTPCommand('RNTO ' + NewName) div 100) = 2;
|
|
end;
|
|
|
|
function TFTPSend.DeleteFile(const FileName: string): Boolean;
|
|
begin
|
|
Result := (FTPCommand('DELE ' + FileName) div 100) = 2;
|
|
end;
|
|
|
|
function TFTPSend.FileSize(const FileName: string): integer;
|
|
var
|
|
s: string;
|
|
begin
|
|
Result := -1;
|
|
if (FTPCommand('SIZE ' + FileName) div 100) = 2 then
|
|
begin
|
|
s := Trim(SeparateRight(ResultString, ' '));
|
|
s := Trim(SeparateLeft(s, ' '));
|
|
Result := StrToIntDef(s, -1);
|
|
end;
|
|
end;
|
|
|
|
function TFTPSend.ChangeWorkingDir(const Directory: string): Boolean;
|
|
begin
|
|
Result := (FTPCommand('CWD ' + Directory) div 100) = 2;
|
|
end;
|
|
|
|
function TFTPSend.ChangeToRootDir: Boolean;
|
|
begin
|
|
Result := (FTPCommand('CDUP') div 100) = 2;
|
|
end;
|
|
|
|
function TFTPSend.DeleteDir(const Directory: string): Boolean;
|
|
begin
|
|
Result := (FTPCommand('RMD ' + Directory) div 100) = 2;
|
|
end;
|
|
|
|
function TFTPSend.CreateDir(const Directory: string): Boolean;
|
|
begin
|
|
Result := (FTPCommand('MKD ' + Directory) div 100) = 2;
|
|
end;
|
|
|
|
function TFTPSend.GetCurrentDir: String;
|
|
begin
|
|
Result := '';
|
|
if (FTPCommand('PWD') div 100) = 2 then
|
|
begin
|
|
Result := SeparateRight(FResultString, '"');
|
|
Result := Trim(Separateleft(Result, '"'));
|
|
end;
|
|
end;
|
|
|
|
procedure TFTPSend.Abort;
|
|
begin
|
|
FDSock.StopFlag := True;
|
|
end;
|
|
|
|
{==============================================================================}
|
|
|
|
procedure TFTPListRec.Assign(Value: TFTPListRec);
|
|
begin
|
|
FFileName := Value.FileName;
|
|
FDirectory := Value.Directory;
|
|
FReadable := Value.Readable;
|
|
FFileSize := Value.FileSize;
|
|
FFileTime := Value.FileTime;
|
|
FOriginalLine := Value.OriginalLine;
|
|
FMask := Value.Mask;
|
|
end;
|
|
|
|
constructor TFTPList.Create;
|
|
begin
|
|
inherited Create;
|
|
FList := TList.Create;
|
|
FLines := TStringList.Create;
|
|
FMasks := TStringList.Create;
|
|
FUnparsedLines := TStringList.Create;
|
|
//various UNIX
|
|
FMasks.add('pppppppppp $!!!S*$TTT$DD$hh mm ss$YYYY$n*');
|
|
FMasks.add('pppppppppp $!!!S*$DD$TTT$hh mm ss$YYYY$n*');
|
|
FMasks.add('pppppppppp $!!!S*$TTT$DD$UUUUU$n*'); //mostly used UNIX format
|
|
FMasks.add('pppppppppp $!!!S*$DD$TTT$UUUUU$n*');
|
|
//MacOS
|
|
FMasks.add('pppppppppp $!!S*$TTT$DD$UUUUU$n*');
|
|
FMasks.add('pppppppppp $!S*$TTT$DD$UUUUU$n*');
|
|
//Novell
|
|
FMasks.add('d $!S*$TTT$DD$UUUUU$n*');
|
|
//Windows
|
|
FMasks.add('MM DD YY hh mmH !S* n*');
|
|
FMasks.add('MM DD YY hh mmH $ d!n*');
|
|
FMasks.add('MM DD YYYY hh mmH !S* n*');
|
|
FMasks.add('MM DD YYYY hh mmH $ d!n*');
|
|
FMasks.add('DD MM YYYY hh mmH !S* n*');
|
|
FMasks.add('DD MM YYYY hh mmH $ d!n*');
|
|
//VMS
|
|
FMasks.add('v*$ DD TTT YYYY hh mm');
|
|
FMasks.add('v*$!DD TTT YYYY hh mm');
|
|
//AS400
|
|
FMasks.add('!S*$MM DD YY hh mm ss !n*');
|
|
FMasks.add('!S*$DD MM YY hh mm ss !n*');
|
|
FMasks.add('n*!S*$MM DD YY hh mm ss d');
|
|
FMasks.add('n*!S*$DD MM YY hh mm ss d');
|
|
//VxWorks
|
|
FMasks.add('$S* TTT DD YYYY hh mm ss $n* $ d');
|
|
FMasks.add('$S* TTT DD YYYY hh mm ss $n*');
|
|
//Distinct
|
|
FMasks.add('d $S*$TTT DD YYYY hh mm$n*');
|
|
FMasks.add('d $S*$TTT DD$hh mm$n*');
|
|
//PC-NFSD
|
|
FMasks.add('nnnnnnnn.nnn dSSSSSSSSSSS MM DD YY hh mmH');
|
|
//VOS
|
|
FMasks.add('- SSSSS YY MM DD hh mm ss n*');
|
|
FMasks.add('- d= SSSSS YY MM DD hh mm ss n*');
|
|
//Unissys ClearPath
|
|
FMasks.add('nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn SSSSSSSSS MM DD YYYY hh mm');
|
|
FMasks.add('n*\x SSSSSSSSS MM DD YYYY hh mm');
|
|
//IBM
|
|
FMasks.add('- SSSSSSSSSSSS d MM DD YYYY hh mm n*');
|
|
//OS9
|
|
FMasks.add('- YY MM DD hhmm d SSSSSSSSS n*');
|
|
//tandem
|
|
FMasks.add('nnnnnnnn SSSSSSS DD TTT YY hh mm ss');
|
|
//MVS
|
|
FMasks.add('- YYYY MM DD SSSSS d=O n*');
|
|
//BullGCOS8
|
|
FMasks.add(' $S* MM DD YY hh mm ss !n*');
|
|
FMasks.add('d $S* MM DD YY !n*');
|
|
//BullGCOS7
|
|
FMasks.add(' TTT DD YYYY n*');
|
|
FMasks.add(' d n*');
|
|
end;
|
|
|
|
destructor TFTPList.Destroy;
|
|
begin
|
|
Clear;
|
|
FList.Free;
|
|
FLines.Free;
|
|
FMasks.Free;
|
|
FUnparsedLines.Free;
|
|
inherited Destroy;
|
|
end;
|
|
|
|
procedure TFTPList.Clear;
|
|
var
|
|
n:integer;
|
|
begin
|
|
for n := 0 to FList.Count - 1 do
|
|
if Assigned(FList[n]) then
|
|
TFTPListRec(FList[n]).Free;
|
|
FList.Clear;
|
|
FLines.Clear;
|
|
FUnparsedLines.Clear;
|
|
end;
|
|
|
|
function TFTPList.Count: integer;
|
|
begin
|
|
Result := FList.Count;
|
|
end;
|
|
|
|
function TFTPList.GetListItem(Index: integer): TFTPListRec;
|
|
begin
|
|
Result := nil;
|
|
if Index < Count then
|
|
Result := TFTPListRec(FList[Index]);
|
|
end;
|
|
|
|
procedure TFTPList.Assign(Value: TFTPList);
|
|
var
|
|
flr: TFTPListRec;
|
|
n: integer;
|
|
begin
|
|
Clear;
|
|
for n := 0 to Value.Count - 1 do
|
|
begin
|
|
flr := TFTPListRec.Create;
|
|
flr.Assign(Value[n]);
|
|
Flist.Add(flr);
|
|
end;
|
|
Lines.Assign(Value.Lines);
|
|
Masks.Assign(Value.Masks);
|
|
UnparsedLines.Assign(Value.UnparsedLines);
|
|
end;
|
|
|
|
procedure TFTPList.ClearStore;
|
|
begin
|
|
Monthnames := '';
|
|
BlockSize := '';
|
|
DirFlagValue := '';
|
|
FileName := '';
|
|
VMSFileName := '';
|
|
Day := '';
|
|
Month := '';
|
|
ThreeMonth := '';
|
|
YearTime := '';
|
|
Year := '';
|
|
Hours := '';
|
|
HoursModif := '';
|
|
Minutes := '';
|
|
Seconds := '';
|
|
Size := '';
|
|
Permissions := '';
|
|
DirFlag := '';
|
|
end;
|
|
|
|
function TFTPList.ParseByMask(Value, NextValue, Mask: string): Integer;
|
|
var
|
|
Ivalue, IMask: integer;
|
|
MaskC, LastMaskC: Char;
|
|
c: char;
|
|
s: string;
|
|
begin
|
|
ClearStore;
|
|
Result := 0;
|
|
if Value = '' then
|
|
Exit;
|
|
if Mask = '' then
|
|
Exit;
|
|
Ivalue := 1;
|
|
IMask := 1;
|
|
Result := 1;
|
|
LastMaskC := ' ';
|
|
while Imask <= Length(mask) do
|
|
begin
|
|
if (Mask[Imask] <> '*') and (Ivalue > Length(Value)) then
|
|
begin
|
|
Result := 0;
|
|
Exit;
|
|
end;
|
|
MaskC := Mask[Imask];
|
|
c := Value[Ivalue];
|
|
case MaskC of
|
|
'n':
|
|
FileName := FileName + c;
|
|
'v':
|
|
VMSFileName := VMSFileName + c;
|
|
'.':
|
|
begin
|
|
if c in ['.', ' '] then
|
|
FileName := TrimSP(FileName) + '.'
|
|
else
|
|
begin
|
|
Result := 0;
|
|
Exit;
|
|
end;
|
|
end;
|
|
'D':
|
|
Day := Day + c;
|
|
'M':
|
|
Month := Month + c;
|
|
'T':
|
|
ThreeMonth := ThreeMonth + c;
|
|
'U':
|
|
YearTime := YearTime + c;
|
|
'Y':
|
|
Year := Year + c;
|
|
'h':
|
|
Hours := Hours + c;
|
|
'H':
|
|
HoursModif := HoursModif + c;
|
|
'm':
|
|
Minutes := Minutes + c;
|
|
's':
|
|
Seconds := Seconds + c;
|
|
'S':
|
|
Size := Size + c;
|
|
'p':
|
|
Permissions := Permissions + c;
|
|
'd':
|
|
DirFlag := DirFlag + c;
|
|
'x':
|
|
if c <> ' ' then
|
|
begin
|
|
Result := 0;
|
|
Exit;
|
|
end;
|
|
'*':
|
|
begin
|
|
s := '';
|
|
if LastMaskC in ['n', 'v'] then
|
|
begin
|
|
if Imask = Length(Mask) then
|
|
s := Copy(Value, IValue, Maxint)
|
|
else
|
|
while IValue <= Length(Value) do
|
|
begin
|
|
if Value[Ivalue] = ' ' then
|
|
break;
|
|
s := s + Value[Ivalue];
|
|
Inc(Ivalue);
|
|
end;
|
|
if LastMaskC = 'n' then
|
|
FileName := FileName + s
|
|
else
|
|
VMSFileName := VMSFileName + s;
|
|
end
|
|
else
|
|
begin
|
|
while IValue <= Length(Value) do
|
|
begin
|
|
if not(Value[Ivalue] in ['0'..'9']) then
|
|
break;
|
|
s := s + Value[Ivalue];
|
|
Inc(Ivalue);
|
|
end;
|
|
case LastMaskC of
|
|
'S':
|
|
Size := Size + s;
|
|
end;
|
|
end;
|
|
Dec(IValue);
|
|
end;
|
|
'!':
|
|
begin
|
|
while IValue <= Length(Value) do
|
|
begin
|
|
if Value[Ivalue] = ' ' then
|
|
break;
|
|
Inc(Ivalue);
|
|
end;
|
|
while IValue <= Length(Value) do
|
|
begin
|
|
if Value[Ivalue] <> ' ' then
|
|
break;
|
|
Inc(Ivalue);
|
|
end;
|
|
Dec(IValue);
|
|
end;
|
|
'$':
|
|
begin
|
|
while IValue <= Length(Value) do
|
|
begin
|
|
if not(Value[Ivalue] in [' ', #9]) then
|
|
break;
|
|
Inc(Ivalue);
|
|
end;
|
|
Dec(IValue);
|
|
end;
|
|
'=':
|
|
begin
|
|
s := '';
|
|
case LastmaskC of
|
|
'S':
|
|
begin
|
|
while Imask <= Length(Mask) do
|
|
begin
|
|
if not(Mask[Imask] in ['0'..'9']) then
|
|
break;
|
|
s := s + Mask[Imask];
|
|
Inc(Imask);
|
|
end;
|
|
Dec(Imask);
|
|
BlockSize := s;
|
|
end;
|
|
'T':
|
|
begin
|
|
Monthnames := Copy(Mask, IMask, 12 * 3);
|
|
Inc(IMask, 12 * 3);
|
|
end;
|
|
'd':
|
|
begin
|
|
Inc(Imask);
|
|
DirFlagValue := Mask[Imask];
|
|
end;
|
|
end;
|
|
end;
|
|
'\':
|
|
begin
|
|
Value := NextValue;
|
|
IValue := 0;
|
|
Result := 2;
|
|
end;
|
|
end;
|
|
Inc(Ivalue);
|
|
Inc(Imask);
|
|
LastMaskC := MaskC;
|
|
end;
|
|
end;
|
|
|
|
function TFTPList.CheckValues: Boolean;
|
|
var
|
|
x, n: integer;
|
|
begin
|
|
Result := false;
|
|
if FileName <> '' then
|
|
begin
|
|
if pos('?', VMSFilename) > 0 then
|
|
Exit;
|
|
if pos('*', VMSFilename) > 0 then
|
|
Exit;
|
|
end;
|
|
if VMSFileName <> '' then
|
|
if pos(';', VMSFilename) <= 0 then
|
|
Exit;
|
|
if (FileName = '') and (VMSFileName = '') then
|
|
Exit;
|
|
if Permissions <> '' then
|
|
begin
|
|
if length(Permissions) <> 10 then
|
|
Exit;
|
|
for n := 1 to 10 do
|
|
if not(Permissions[n] in
|
|
['a', 'b', 'c', 'd', 'h', 'l', 'p', 'r', 's', 'w', 'x', 'y', '-']) then
|
|
Exit;
|
|
end;
|
|
if Day <> '' then
|
|
begin
|
|
Day := TrimSP(Day);
|
|
x := StrToIntDef(day, -1);
|
|
if (x < 1) or (x > 31) then
|
|
Exit;
|
|
end;
|
|
if Month <> '' then
|
|
begin
|
|
Month := TrimSP(Month);
|
|
x := StrToIntDef(Month, -1);
|
|
if (x < 1) or (x > 12) then
|
|
Exit;
|
|
end;
|
|
if Hours <> '' then
|
|
begin
|
|
Hours := TrimSP(Hours);
|
|
x := StrToIntDef(Hours, -1);
|
|
if (x < 0) or (x > 24) then
|
|
Exit;
|
|
end;
|
|
if HoursModif <> '' then
|
|
begin
|
|
if not (HoursModif[1] in ['a', 'A', 'p', 'P']) then
|
|
Exit;
|
|
end;
|
|
if Minutes <> '' then
|
|
begin
|
|
Minutes := TrimSP(Minutes);
|
|
x := StrToIntDef(Minutes, -1);
|
|
if (x < 0) or (x > 59) then
|
|
Exit;
|
|
end;
|
|
if Seconds <> '' then
|
|
begin
|
|
Seconds := TrimSP(Seconds);
|
|
x := StrToIntDef(Seconds, -1);
|
|
if (x < 0) or (x > 59) then
|
|
Exit;
|
|
end;
|
|
if Size <> '' then
|
|
begin
|
|
Size := TrimSP(Size);
|
|
for n := 1 to Length(Size) do
|
|
if not (Size[n] in ['0'..'9']) then
|
|
Exit;
|
|
end;
|
|
|
|
if length(Monthnames) = (12 * 3) then
|
|
for n := 1 to 12 do
|
|
CustomMonthNames[n] := Copy(Monthnames, ((n - 1) * 3) + 1, 3);
|
|
if ThreeMonth <> '' then
|
|
begin
|
|
x := GetMonthNumber(ThreeMonth);
|
|
if (x = 0) then
|
|
Exit;
|
|
end;
|
|
if YearTime <> '' then
|
|
begin
|
|
YearTime := ReplaceString(YearTime, '-', ':');
|
|
if pos(':', YearTime) > 0 then
|
|
begin
|
|
if (GetTimeFromstr(YearTime) = -1) then
|
|
Exit;
|
|
end
|
|
else
|
|
begin
|
|
YearTime := TrimSP(YearTime);
|
|
x := StrToIntDef(YearTime, -1);
|
|
if (x = -1) then
|
|
Exit;
|
|
if (x < 1900) or (x > 2100) then
|
|
Exit;
|
|
end;
|
|
end;
|
|
if Year <> '' then
|
|
begin
|
|
Year := TrimSP(Year);
|
|
x := StrToIntDef(Year, -1);
|
|
if (x = -1) then
|
|
Exit;
|
|
if Length(Year) = 4 then
|
|
begin
|
|
if not((x > 1900) and (x < 2100)) then
|
|
Exit;
|
|
end
|
|
else
|
|
if Length(Year) = 2 then
|
|
begin
|
|
if not((x >= 0) and (x <= 99)) then
|
|
Exit;
|
|
end
|
|
else
|
|
if Length(Year) = 3 then
|
|
begin
|
|
if not((x >= 100) and (x <= 110)) then
|
|
Exit;
|
|
end
|
|
else
|
|
Exit;
|
|
end;
|
|
Result := True;
|
|
end;
|
|
|
|
procedure TFTPList.FillRecord(const Value: TFTPListRec);
|
|
var
|
|
s: string;
|
|
x: integer;
|
|
myear: Word;
|
|
mmonth: Word;
|
|
mday: Word;
|
|
mhours, mminutes, mseconds: word;
|
|
n: integer;
|
|
begin
|
|
s := DirFlagValue;
|
|
if s = '' then
|
|
s := 'D';
|
|
s := Uppercase(s);
|
|
Value.Directory := s = Uppercase(DirFlag);
|
|
if FileName <> '' then
|
|
Value.FileName := SeparateLeft(Filename, ' -> ');
|
|
if VMSFileName <> '' then
|
|
begin
|
|
Value.FileName := VMSFilename;
|
|
Value.Directory := Pos('.DIR;',VMSFilename) > 0;
|
|
end;
|
|
Value.FileName := TrimSPRight(Value.FileName);
|
|
Value.Readable := not Value.Directory;
|
|
if BlockSize <> '' then
|
|
x := StrToIntDef(BlockSize, 1)
|
|
else
|
|
x := 1;
|
|
Value.FileSize := x * StrToIntDef(Size, 0);
|
|
|
|
DecodeDate(Date,myear,mmonth,mday);
|
|
mhours := 0;
|
|
mminutes := 0;
|
|
mseconds := 0;
|
|
|
|
if Day <> '' then
|
|
mday := StrToIntDef(day, 1);
|
|
if Month <> '' then
|
|
mmonth := StrToIntDef(Month, 1);
|
|
if length(Monthnames) = (12 * 3) then
|
|
for n := 1 to 12 do
|
|
CustomMonthNames[n] := Copy(Monthnames, ((n - 1) * 3) + 1, 3);
|
|
if ThreeMonth <> '' then
|
|
mmonth := GetMonthNumber(ThreeMonth);
|
|
if Year <> '' then
|
|
begin
|
|
myear := StrToIntDef(Year, 0);
|
|
if (myear <= 99) and (myear > 50) then
|
|
myear := myear + 1900;
|
|
if myear <= 50 then
|
|
myear := myear + 2000;
|
|
end;
|
|
if YearTime <> '' then
|
|
begin
|
|
if pos(':', YearTime) > 0 then
|
|
begin
|
|
mhours := StrToIntDef(Separateleft(YearTime, ':'), 0);
|
|
mminutes := StrToIntDef(SeparateRight(YearTime, ':'), 0);
|
|
if (Encodedate(myear, mmonth, mday)
|
|
+ EncodeTime(mHours, mminutes, 0, 0)) > now then
|
|
Dec(mYear);
|
|
end
|
|
else
|
|
myear := StrToIntDef(YearTime, 0);
|
|
end;
|
|
if Minutes <> '' then
|
|
mminutes := StrToIntDef(Minutes, 0);
|
|
if Seconds <> '' then
|
|
mseconds := StrToIntDef(Seconds, 0);
|
|
if Hours <> '' then
|
|
begin
|
|
mHours := StrToIntDef(Hours, 0);
|
|
if HoursModif <> '' then
|
|
if Uppercase(HoursModif[1]) = 'P' then
|
|
if mHours <> 12 then
|
|
mHours := MHours + 12;
|
|
end;
|
|
Value.FileTime := Encodedate(myear, mmonth, mday)
|
|
+ EncodeTime(mHours, mminutes, mseconds, 0);
|
|
if Permissions <> '' then
|
|
begin
|
|
Value.Permission := Permissions;
|
|
Value.Readable := Uppercase(permissions)[2] = 'R';
|
|
if Uppercase(permissions)[1] = 'D' then
|
|
begin
|
|
Value.Directory := True;
|
|
Value.Readable := false;
|
|
end
|
|
else
|
|
if Uppercase(permissions)[1] = 'L' then
|
|
Value.Directory := True;
|
|
end;
|
|
end;
|
|
|
|
function TFTPList.ParseEPLF(Value: string): Boolean;
|
|
var
|
|
s, os: string;
|
|
flr: TFTPListRec;
|
|
begin
|
|
Result := False;
|
|
if Value <> '' then
|
|
if Value[1] = '+' then
|
|
begin
|
|
os := Value;
|
|
flr := TFTPListRec.create;
|
|
s := Fetch(Value, ',');
|
|
while s <> '' do
|
|
begin
|
|
if s[1] = #9 then
|
|
begin
|
|
flr.FileName := Copy(s, 2, Length(s) - 1);
|
|
end;
|
|
case s[1] of
|
|
'/':
|
|
flr.Directory := true;
|
|
'r':
|
|
flr.Readable := true;
|
|
's':
|
|
flr.FileSize := StrToIntDef(Copy(s, 2, Length(s) - 1), 0);
|
|
'm':
|
|
flr.FileTime := (StrToIntDef(Copy(s, 2, Length(s) - 1), 0) / 86400)
|
|
+ 25569;
|
|
end;
|
|
s := Fetch(Value, ',');
|
|
end;
|
|
if flr.FileName <> '' then
|
|
if (flr.Directory and ((flr.FileName = '.') or (flr.FileName = '..')))
|
|
or (flr.FileName = '') then
|
|
flr.free
|
|
else
|
|
begin
|
|
flr.OriginalLine := os;
|
|
flr.Mask := 'EPLF';
|
|
Flist.Add(flr);
|
|
Result := True;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TFTPList.ParseLines;
|
|
var
|
|
flr: TFTPListRec;
|
|
n, m: Integer;
|
|
S: string;
|
|
x: integer;
|
|
b: Boolean;
|
|
begin
|
|
n := 0;
|
|
while n < Lines.Count do
|
|
begin
|
|
if n = Lines.Count - 1 then
|
|
s := ''
|
|
else
|
|
s := Lines[n + 1];
|
|
b := False;
|
|
x := 0;
|
|
if ParseEPLF(Lines[n]) then
|
|
begin
|
|
b := True;
|
|
x := 1;
|
|
end
|
|
else
|
|
for m := 0 to Masks.Count - 1 do
|
|
begin
|
|
x := ParseByMask(Lines[n], s, Masks[m]);
|
|
if x > 0 then
|
|
if CheckValues then
|
|
begin
|
|
flr := TFTPListRec.create;
|
|
FillRecord(flr);
|
|
flr.OriginalLine := Lines[n];
|
|
flr.Mask := Masks[m];
|
|
if flr.Directory and ((flr.FileName = '.') or (flr.FileName = '..')) then
|
|
flr.free
|
|
else
|
|
Flist.Add(flr);
|
|
b := True;
|
|
Break;
|
|
end;
|
|
end;
|
|
if not b then
|
|
FUnparsedLines.Add(Lines[n]);
|
|
Inc(n);
|
|
if x > 1 then
|
|
Inc(n, x - 1);
|
|
end;
|
|
end;
|
|
|
|
{==============================================================================}
|
|
|
|
function FtpGetFile(const IP, Port, FileName, LocalFile,
|
|
User, Pass: string): Boolean;
|
|
begin
|
|
Result := False;
|
|
with TFTPSend.Create do
|
|
try
|
|
if User <> '' then
|
|
begin
|
|
Username := User;
|
|
Password := Pass;
|
|
end;
|
|
TargetHost := IP;
|
|
TargetPort := Port;
|
|
if not Login then
|
|
Exit;
|
|
DirectFileName := LocalFile;
|
|
DirectFile:=True;
|
|
Result := RetrieveFile(FileName, False);
|
|
Logout;
|
|
finally
|
|
Free;
|
|
end;
|
|
end;
|
|
|
|
function FtpPutFile(const IP, Port, FileName, LocalFile,
|
|
User, Pass: string): Boolean;
|
|
begin
|
|
Result := False;
|
|
with TFTPSend.Create do
|
|
try
|
|
if User <> '' then
|
|
begin
|
|
Username := User;
|
|
Password := Pass;
|
|
end;
|
|
TargetHost := IP;
|
|
TargetPort := Port;
|
|
if not Login then
|
|
Exit;
|
|
DirectFileName := LocalFile;
|
|
DirectFile:=True;
|
|
Result := StoreFile(FileName, False);
|
|
Logout;
|
|
finally
|
|
Free;
|
|
end;
|
|
end;
|
|
|
|
function FtpInterServerTransfer(
|
|
const FromIP, FromPort, FromFile, FromUser, FromPass: string;
|
|
const ToIP, ToPort, ToFile, ToUser, ToPass: string): Boolean;
|
|
var
|
|
FromFTP, ToFTP: TFTPSend;
|
|
s: string;
|
|
x: integer;
|
|
begin
|
|
Result := False;
|
|
FromFTP := TFTPSend.Create;
|
|
toFTP := TFTPSend.Create;
|
|
try
|
|
if FromUser <> '' then
|
|
begin
|
|
FromFTP.Username := FromUser;
|
|
FromFTP.Password := FromPass;
|
|
end;
|
|
if ToUser <> '' then
|
|
begin
|
|
ToFTP.Username := ToUser;
|
|
ToFTP.Password := ToPass;
|
|
end;
|
|
FromFTP.TargetHost := FromIP;
|
|
FromFTP.TargetPort := FromPort;
|
|
ToFTP.TargetHost := ToIP;
|
|
ToFTP.TargetPort := ToPort;
|
|
if not FromFTP.Login then
|
|
Exit;
|
|
if not ToFTP.Login then
|
|
Exit;
|
|
if (FromFTP.FTPCommand('PASV') div 100) <> 2 then
|
|
Exit;
|
|
FromFTP.ParseRemote(FromFTP.ResultString);
|
|
s := ReplaceString(FromFTP.DataIP, '.', ',');
|
|
s := 'PORT ' + s + ',' + IntToStr(StrToIntDef(FromFTP.DataPort, 0) div 256)
|
|
+ ',' + IntToStr(StrToIntDef(FromFTP.DataPort, 0) mod 256);
|
|
if (ToFTP.FTPCommand(s) div 100) <> 2 then
|
|
Exit;
|
|
x := ToFTP.FTPCommand('RETR ' + FromFile);
|
|
if (x div 100) <> 1 then
|
|
Exit;
|
|
x := FromFTP.FTPCommand('STOR ' + ToFile);
|
|
if (x div 100) <> 1 then
|
|
Exit;
|
|
FromFTP.Timeout := 21600000;
|
|
x := FromFTP.ReadResult;
|
|
if (x div 100) <> 2 then
|
|
Exit;
|
|
ToFTP.Timeout := 21600000;
|
|
x := ToFTP.ReadResult;
|
|
if (x div 100) <> 2 then
|
|
Exit;
|
|
Result := True;
|
|
finally
|
|
ToFTP.Free;
|
|
FromFTP.Free;
|
|
end;
|
|
end;
|
|
|
|
end.
|