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Simba/Units/Synapse/ftpsend.pas
unknown 5f49c2129c Nothing's changed? First git commit =D
2010-03-13 16:33:04 +01:00

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{==============================================================================|
| Project : Ararat Synapse | 003.005.003 |
|==============================================================================|
| Content: FTP client |
|==============================================================================|
| Copyright (c)1999-2010, Lukas Gebauer |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| |
| Redistributions of source code must retain the above copyright notice, this |
| list of conditions and the following disclaimer. |
| |
| Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions and the following disclaimer in the documentation |
| and/or other materials provided with the distribution. |
| |
| Neither the name of Lukas Gebauer nor the names of its contributors may |
| be used to endorse or promote products derived from this software without |
| specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR |
| ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| DAMAGE. |
|==============================================================================|
| The Initial Developer of the Original Code is Lukas Gebauer (Czech Republic).|
| Portions created by Lukas Gebauer are Copyright (c) 1999-2010. |
| All Rights Reserved. |
|==============================================================================|
| Contributor(s): |
| Petr Esner <petr.esner@atlas.cz> |
|==============================================================================|
| History: see HISTORY.HTM from distribution package |
| (Found at URL: http://www.ararat.cz/synapse/) |
|==============================================================================}
{: @abstract(FTP client protocol)
Used RFC: RFC-959, RFC-2228, RFC-2428
}
{$IFDEF FPC}
{$MODE DELPHI}
{$ENDIF}
{$H+}
{$IFDEF UNICODE}
{$WARN IMPLICIT_STRING_CAST OFF}
{$WARN IMPLICIT_STRING_CAST_LOSS OFF}
{$ENDIF}
unit ftpsend;
interface
uses
SysUtils, Classes,
blcksock, synautil, synaip, synsock;
const
cFtpProtocol = '21';
cFtpDataProtocol = '20';
{:Terminating value for TLogonActions}
FTP_OK = 255;
{:Terminating value for TLogonActions}
FTP_ERR = 254;
type
{:Array for holding definition of logon sequence.}
TLogonActions = array [0..17] of byte;
{:Procedural type for OnStatus event. Sender is calling @link(TFTPSend) object.
Value is FTP command or reply to this comand. (if it is reply, Response
is @True).}
TFTPStatus = procedure(Sender: TObject; Response: Boolean;
const Value: string) of object;
{: @abstract(Object for holding file information) parsed from directory
listing of FTP server.}
TFTPListRec = class(TObject)
private
FFileName: String;
FDirectory: Boolean;
FReadable: Boolean;
FFileSize: Longint;
FFileTime: TDateTime;
FOriginalLine: string;
FMask: string;
FPermission: String;
public
{: You can assign another TFTPListRec to this object.}
procedure Assign(Value: TFTPListRec); virtual;
{:name of file}
property FileName: string read FFileName write FFileName;
{:if name is subdirectory not file.}
property Directory: Boolean read FDirectory write FDirectory;
{:if you have rights to read}
property Readable: Boolean read FReadable write FReadable;
{:size of file in bytes}
property FileSize: Longint read FFileSize write FFileSize;
{:date and time of file. Local server timezone is used. Any timezone
conversions was not done!}
property FileTime: TDateTime read FFileTime write FFileTime;
{:original unparsed line}
property OriginalLine: string read FOriginalLine write FOriginalLine;
{:mask what was used for parsing}
property Mask: string read FMask write FMask;
{:permission string (depending on used mask!)}
property Permission: string read FPermission write FPermission;
end;
{:@abstract(This is TList of TFTPListRec objects.)
This object is used for holding lististing of all files information in listed
directory on FTP server.}
TFTPList = class(TObject)
protected
FList: TList;
FLines: TStringList;
FMasks: TStringList;
FUnparsedLines: TStringList;
Monthnames: string;
BlockSize: string;
DirFlagValue: string;
FileName: string;
VMSFileName: string;
Day: string;
Month: string;
ThreeMonth: string;
YearTime: string;
Year: string;
Hours: string;
HoursModif: Ansistring;
Minutes: string;
Seconds: string;
Size: Ansistring;
Permissions: Ansistring;
DirFlag: string;
function GetListItem(Index: integer): TFTPListRec; virtual;
function ParseEPLF(Value: string): Boolean; virtual;
procedure ClearStore; virtual;
function ParseByMask(Value, NextValue, Mask: ansistring): Integer; virtual;
function CheckValues: Boolean; virtual;
procedure FillRecord(const Value: TFTPListRec); virtual;
public
{:Constructor. You not need create this object, it is created by TFTPSend
class as their property.}
constructor Create;
destructor Destroy; override;
{:Clear list.}
procedure Clear; virtual;
{:count of holded @link(TFTPListRec) objects}
function Count: integer; virtual;
{:Assigns one list to another}
procedure Assign(Value: TFTPList); virtual;
{:try to parse raw directory listing in @link(lines) to list of
@link(TFTPListRec).}
procedure ParseLines; virtual;
{:By this property you have access to list of @link(TFTPListRec).
This is for compatibility only. Please, use @link(Items) instead.}
property List: TList read FList;
{:By this property you have access to list of @link(TFTPListRec).}
property Items[Index: Integer]: TFTPListRec read GetListItem; default;
{:Set of lines with RAW directory listing for @link(parseLines)}
property Lines: TStringList read FLines;
{:Set of masks for directory listing parser. It is predefined by default,
however you can modify it as you need. (for example, you can add your own
definition mask.) Mask is same as mask used in TotalCommander.}
property Masks: TStringList read FMasks;
{:After @link(ParseLines) it holding lines what was not sucessfully parsed.}
property UnparsedLines: TStringList read FUnparsedLines;
end;
{:@abstract(Implementation of FTP protocol.)
Note: Are you missing properties for setting Username and Password? Look to
parent @link(TSynaClient) object! (Username and Password have default values
for "anonymous" FTP login)
Are you missing properties for specify server address and port? Look to
parent @link(TSynaClient) too!}
TFTPSend = class(TSynaClient)
protected
FOnStatus: TFTPStatus;
FSock: TTCPBlockSocket;
FDSock: TTCPBlockSocket;
FResultCode: Integer;
FResultString: string;
FFullResult: TStringList;
FAccount: string;
FFWHost: string;
FFWPort: string;
FFWUsername: string;
FFWPassword: string;
FFWMode: integer;
FDataStream: TMemoryStream;
FDataIP: string;
FDataPort: string;
FDirectFile: Boolean;
FDirectFileName: string;
FCanResume: Boolean;
FPassiveMode: Boolean;
FForceDefaultPort: Boolean;
FForceOldPort: Boolean;
FFtpList: TFTPList;
FBinaryMode: Boolean;
FAutoTLS: Boolean;
FIsTLS: Boolean;
FIsDataTLS: Boolean;
FTLSonData: Boolean;
FFullSSL: Boolean;
function Auth(Mode: integer): Boolean; virtual;
function Connect: Boolean; virtual;
function InternalStor(const Command: string; RestoreAt: integer): Boolean; virtual;
function DataSocket: Boolean; virtual;
function AcceptDataSocket: Boolean; virtual;
procedure DoStatus(Response: Boolean; const Value: string); virtual;
public
{:Custom definition of login sequence. You can use this when you set
@link(FWMode) to value -1.}
CustomLogon: TLogonActions;
constructor Create;
destructor Destroy; override;
{:Waits and read FTP server response. You need this only in special cases!}
function ReadResult: Integer; virtual;
{:Parse remote side information of data channel from value string (returned
by PASV command). This function you need only in special cases!}
procedure ParseRemote(Value: string); virtual;
{:Parse remote side information of data channel from value string (returned
by EPSV command). This function you need only in special cases!}
procedure ParseRemoteEPSV(Value: string); virtual;
{:Send Value as FTP command to FTP server. Returned result code is result of
this function.
This command is good for sending site specific command, or non-standard
commands.}
function FTPCommand(const Value: string): integer; virtual;
{:Connect and logon to FTP server. If you specify any FireWall, connect to
firewall and throw them connect to FTP server. Login sequence depending on
@link(FWMode).}
function Login: Boolean; virtual;
{:Logoff and disconnect from FTP server.}
function Logout: Boolean; virtual;
{:Break current transmission of data. (You can call this method from
Sock.OnStatus event, or from another thread.)}
procedure Abort; virtual;
{:Break current transmission of data. It is same as Abort, but it send abort
telnet commands prior ABOR FTP command. Some servers need it. (You can call
this method from Sock.OnStatus event, or from another thread.)}
procedure TelnetAbort; virtual;
{:Download directory listing of Directory on FTP server. If Directory is
empty string, download listing of current working directory.
If NameList is @true, download only names of files in directory.
(internally use NLST command instead LIST command)
If NameList is @false, returned list is also parsed to @link(FTPList)
property.}
function List(Directory: string; NameList: Boolean): Boolean; virtual;
{:Read data from FileName on FTP server. If Restore is @true and server
supports resume dowloads, download is resumed. (received is only rest
of file)}
function RetrieveFile(const FileName: string; Restore: Boolean): Boolean; virtual;
{:Send data to FileName on FTP server. If Restore is @true and server
supports resume upload, upload is resumed. (send only rest of file)
In this case if remote file is same length as local file, nothing will be
done. If remote file is larger then local, resume is disabled and file is
transfered from begin!}
function StoreFile(const FileName: string; Restore: Boolean): Boolean; virtual;
{:Send data to FTP server and assing unique name for this file.}
function StoreUniqueFile: Boolean; virtual;
{:Append data to FileName on FTP server.}
function AppendFile(const FileName: string): Boolean; virtual;
{:Rename on FTP server file with OldName to NewName.}
function RenameFile(const OldName, NewName: string): Boolean; virtual;
{:Delete file FileName on FTP server.}
function DeleteFile(const FileName: string): Boolean; virtual;
{:Return size of Filename file on FTP server. If command failed (i.e. not
implemented), return -1.}
function FileSize(const FileName: string): integer; virtual;
{:Send NOOP command to FTP server for preserve of disconnect by inactivity
timeout.}
function NoOp: Boolean; virtual;
{:Change currect working directory to Directory on FTP server.}
function ChangeWorkingDir(const Directory: string): Boolean; virtual;
{:walk to upper directory on FTP server.}
function ChangeToParentDir: Boolean; virtual;
{:walk to root directory on FTP server. (May not work with all servers properly!)}
function ChangeToRootDir: Boolean; virtual;
{:Delete Directory on FTP server.}
function DeleteDir(const Directory: string): Boolean; virtual;
{:Create Directory on FTP server.}
function CreateDir(const Directory: string): Boolean; virtual;
{:Return current working directory on FTP server.}
function GetCurrentDir: String; virtual;
{:Establish data channel to FTP server and retrieve data.
This function you need only in special cases, i.e. when you need to implement
some special unsupported FTP command!}
function DataRead(const DestStream: TStream): Boolean; virtual;
{:Establish data channel to FTP server and send data.
This function you need only in special cases, i.e. when you need to implement
some special unsupported FTP command.}
function DataWrite(const SourceStream: TStream): Boolean; virtual;
published
{:After FTP command contains result number of this operation.}
property ResultCode: Integer read FResultCode;
{:After FTP command contains main line of result.}
property ResultString: string read FResultString;
{:After any FTP command it contains all lines of FTP server reply.}
property FullResult: TStringList read FFullResult;
{:Account information used in some cases inside login sequence.}
property Account: string read FAccount Write FAccount;
{:Address of firewall. If empty string (default), firewall not used.}
property FWHost: string read FFWHost Write FFWHost;
{:port of firewall. standard value is same port as ftp server used. (21)}
property FWPort: string read FFWPort Write FFWPort;
{:Username for login to firewall. (if needed)}
property FWUsername: string read FFWUsername Write FFWUsername;
{:password for login to firewall. (if needed)}
property FWPassword: string read FFWPassword Write FFWPassword;
{:Type of Firewall. Used only if you set some firewall address. Supported
predefined firewall login sequences are described by comments in source
file where you can see pseudocode decribing each sequence.}
property FWMode: integer read FFWMode Write FFWMode;
{:Socket object used for TCP/IP operation on control channel. Good for
seting OnStatus hook, etc.}
property Sock: TTCPBlockSocket read FSock;
{:Socket object used for TCP/IP operation on data channel. Good for seting
OnStatus hook, etc.}
property DSock: TTCPBlockSocket read FDSock;
{:If you not use @link(DirectFile) mode, all data transfers is made to or
from this stream.}
property DataStream: TMemoryStream read FDataStream;
{:After data connection is established, contains remote side IP of this
connection.}
property DataIP: string read FDataIP;
{:After data connection is established, contains remote side port of this
connection.}
property DataPort: string read FDataPort;
{:Mode of data handling by data connection. If @False, all data operations
are made to or from @link(DataStream) TMemoryStream.
If @true, data operations is made directly to file in your disk. (filename
is specified by @link(DirectFileName) property.) Dafault is @False!}
property DirectFile: Boolean read FDirectFile Write FDirectFile;
{:Filename for direct disk data operations.}
property DirectFileName: string read FDirectFileName Write FDirectFileName;
{:Indicate after @link(Login) if remote server support resume downloads and
uploads.}
property CanResume: Boolean read FCanResume;
{:If true (default value), all transfers is made by passive method.
It is safer method for various firewalls.}
property PassiveMode: Boolean read FPassiveMode Write FPassiveMode;
{:Force to listen for dataconnection on standard port (20). Default is @false,
dataconnections will be made to any non-standard port reported by PORT FTP
command. This setting is not used, if you use passive mode.}
property ForceDefaultPort: Boolean read FForceDefaultPort Write FForceDefaultPort;
{:When is @true, then is disabled EPSV and EPRT support. However without this
commands you cannot use IPv6! (Disabling of this commands is needed only
when you are behind some crap firewall/NAT.}
property ForceOldPort: Boolean read FForceOldPort Write FForceOldPort;
{:You may set this hook for monitoring FTP commands and replies.}
property OnStatus: TFTPStatus read FOnStatus write FOnStatus;
{:After LIST command is here parsed list of files in given directory.}
property FtpList: TFTPList read FFtpList;
{:if @true (default), then data transfers is in binary mode. If this is set
to @false, then ASCII mode is used.}
property BinaryMode: Boolean read FBinaryMode Write FBinaryMode;
{:if is true, then if server support upgrade to SSL/TLS mode, then use them.}
property AutoTLS: Boolean read FAutoTLS Write FAutoTLS;
{:if server listen on SSL/TLS port, then you set this to true.}
property FullSSL: Boolean read FFullSSL Write FFullSSL;
{:Signalise, if control channel is in SSL/TLS mode.}
property IsTLS: Boolean read FIsTLS;
{:Signalise, if data transfers is in SSL/TLS mode.}
property IsDataTLS: Boolean read FIsDataTLS;
{:If @true (default), then try to use SSL/TLS on data transfers too.
If @false, then SSL/TLS is used only for control connection.}
property TLSonData: Boolean read FTLSonData write FTLSonData;
end;
{:A very useful function, and example of use can be found in the TFtpSend object.
Dowload specified file from FTP server to LocalFile.}
function FtpGetFile(const IP, Port, FileName, LocalFile,
User, Pass: string): Boolean;
{:A very useful function, and example of use can be found in the TFtpSend object.
Upload specified LocalFile to FTP server.}
function FtpPutFile(const IP, Port, FileName, LocalFile,
User, Pass: string): Boolean;
{:A very useful function, and example of use can be found in the TFtpSend object.
Initiate transfer of file between two FTP servers.}
function FtpInterServerTransfer(
const FromIP, FromPort, FromFile, FromUser, FromPass: string;
const ToIP, ToPort, ToFile, ToUser, ToPass: string): Boolean;
implementation
constructor TFTPSend.Create;
begin
inherited Create;
FFullResult := TStringList.Create;
FDataStream := TMemoryStream.Create;
FSock := TTCPBlockSocket.Create;
FSock.Owner := self;
FSock.ConvertLineEnd := True;
FDSock := TTCPBlockSocket.Create;
FDSock.Owner := self;
FFtpList := TFTPList.Create;
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: AnsiString;
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.Purge;
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);
if FSock.LastError = 0 then
if FFWHost = '' then
FSock.Connect(FTargetHost, FTargetPort)
else
FSock.Connect(FFWHost, FFWPort);
if FSock.LastError = 0 then
if FFullSSL then
FSock.SSLDoConnect;
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
FSock.SSLDoConnect;
FIsTLS := FSock.LastError = 0;
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: AnsiString;
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 FIsDataTLS then
FPassiveMode := True;
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, 10000);
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
FDSock.SSL.Assign(FSock.SSL);
FDSock.SSLDoConnect;
Result := FDSock.LastError = 0;
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;
b: Boolean;
begin
Result := False;
try
if not AcceptDataSocket then
Exit;
FDSock.SendStreamRaw(SourceStream);
b := FDSock.LastError = 0;
FDSock.CloseSocket;
x := ReadResult;
Result := b and ((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.Position := 0;
FFTPList.Lines.LoadFromStream(FDataStream);
FFTPList.ParseLines;
end;
FDataStream.Position := 0;
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.Position := RetrStream.Size;
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.Position := 0;
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.Position := RestoreAt;
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.ChangeToParentDir: Boolean;
begin
Result := (FTPCommand('CDUP') div 100) = 2;
end;
function TFTPSend.ChangeToRootDir: Boolean;
begin
Result := ChangeWorkingDir('/');
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
FSock.SendString('ABOR' + CRLF);
FDSock.StopFlag := True;
end;
procedure TFTPSend.TelnetAbort;
begin
FSock.SendString(#$FF + #$F4 + #$FF + #$F2);
Abort;
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*$!DD TTT YYYY hh mm');
FMasks.add('n*$ YYYY MM DD hh mm$S*');
//AS400
FMasks.add('!S*$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: AnsiString): Integer;
var
Ivalue, IMask: integer;
MaskC, LastMaskC: AnsiChar;
c: AnsiChar;
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];
if Ivalue > Length(Value) then
Exit;
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', 't', '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
YearTime := TrimSP(YearTime);
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;
Delete(Value, 1, 1);
flr := TFTPListRec.create;
flr.FileName := SeparateRight(Value, #9);
s := Fetch(Value, ',');
while s <> '' do
begin
if s[1] = #9 then
Break;
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.
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